Commit Graph

1027358 Commits

Author SHA1 Message Date
Linus Torvalds
79160a603b USB / Thunderbolt patches for 5.14-rc1
Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
 
 Nothing major here just lots of little changes for new hardware and
 features.  Highlights are:
 	- more USB 4 support added to the thunderbolt core
 	- build warning fixes all over the place
 	- usb-serial driver updates and new device support
 	- mtu3 driver updates
 	- gadget driver updates
 	- dwc3 driver updates
 	- dwc2 driver updates
 	- isp1760 host driver updates
 	- musb driver updates
 	- lots of other tiny things.
 
 Full details are in the shortlog.
 
 All of these have been in linux-next for a while now with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt patches for 5.14-rc1.

  Nothing major here just lots of little changes for new hardware and
  features. Highlights are:

   - more USB 4 support added to the thunderbolt core

   - build warning fixes all over the place

   - usb-serial driver updates and new device support

   - mtu3 driver updates

   - gadget driver updates

   - dwc3 driver updates

   - dwc2 driver updates

   - isp1760 host driver updates

   - musb driver updates

   - lots of other tiny things.

  Full details are in the shortlog.

  All of these have been in linux-next for a while now with no reported
  issues"

* tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (223 commits)
  phy: qcom-qusb2: Add configuration for SM4250 and SM6115
  dt-bindings: phy: qcom,qusb2: document sm4250/6115 compatible
  dt-bindings: usb: qcom,dwc3: Add bindings for sm6115/4250
  USB: cdc-acm: blacklist Heimann USB Appset device
  usb: xhci-mtk: allow multiple Start-Split in a microframe
  usb: ftdi-elan: remove redundant continue statement in a while-loop
  usb: class: cdc-wdm: return the correct errno code
  xhci: remove redundant continue statement
  usb: dwc3: Fix debugfs creation flow
  usb: gadget: hid: fix error return code in hid_bind()
  usb: gadget: eem: fix echo command packet response issue
  usb: gadget: f_hid: fix endianness issue with descriptors
  Revert "USB: misc: Add onboard_usb_hub driver"
  Revert "of/platform: Add stubs for of_platform_device_create/destroy()"
  Revert "usb: host: xhci-plat: Create platform device for onboard hubs in probe()"
  Revert "arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub"
  xhci: solve a double free problem while doing s4
  xhci: handle failed buffer copy to URB sg list and fix a W=1 copiler warning
  xhci: Add adaptive interrupt rate for isoch TRBs with XHCI_AVOID_BEI quirk
  xhci: Remove unused defines for ERST_SIZE and ERST_ENTRIES
  ...
2021-07-05 14:16:22 -07:00
Linus Torvalds
c932ed0adb TTY / Serial patches for 5.14-rc1
Here is the big set of tty and serial driver patches for 5.14-rc1.
 
 A bit more than normal, but nothing major, lots of cleanups.  Highlights
 are:
 	- lots of tty api cleanups and mxser driver cleanups from Jiri
 	- build warning fixes
 	- various serial driver updates
 	- coding style cleanups
 	- various tty driver minor fixes and updates
 	- removal of broken and disable r3964 line discipline (finally!)
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial updates from Greg KH:
 "Here is the big set of tty and serial driver patches for 5.14-rc1.

  A bit more than normal, but nothing major, lots of cleanups.
  Highlights are:

   - lots of tty api cleanups and mxser driver cleanups from Jiri

   - build warning fixes

   - various serial driver updates

   - coding style cleanups

   - various tty driver minor fixes and updates

   - removal of broken and disable r3964 line discipline (finally!)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits)
  serial: mvebu-uart: remove unused member nb from struct mvebu_uart
  arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
  dt-bindings: mvebu-uart: fix documentation
  serial: mvebu-uart: correctly calculate minimal possible baudrate
  serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
  serial: mvebu-uart: fix calculation of clock divisor
  tty: make linux/tty_flip.h self-contained
  serial: Prefer unsigned int to bare use of unsigned
  serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
  serial: qcom_geni_serial: use DT aliases according to DT bindings
  Revert "tty: serial: Add UART driver for Cortina-Access platform"
  tty: serial: Add UART driver for Cortina-Access platform
  MAINTAINERS: add me back as mxser maintainer
  mxser: Documentation, fix typos
  mxser: Documentation, make the docs up-to-date
  mxser: Documentation, remove traces of callout device
  mxser: introduce mxser_16550A_or_MUST helper
  mxser: rename flags to old_speed in mxser_set_serial_info
  mxser: use port variable in mxser_set_serial_info
  mxser: access info->MCR under info->slock
  ...
2021-07-05 14:08:24 -07:00
Linus Torvalds
a16d8644ba Staging / IIO driver patches for 5.14-rc1
Here is the big set of IIO and staging driver patches for 5.14-rc1.
 
 Loads of IIO driver updates and additions in here, the shortlog has the
 full details.
 
 For the staging side, we moved a few drivers out of staging, and deleted
 the kpc2000 drivers as the original developer asked us to because no one
 was working on them anymore.
 
 Also in here are loads of coding style cleanups due to different intern
 projects focusing on the staging tree to try to get experience doing
 kernel development.
 
 All of these have been in the linux-next tree for a while with no
 reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging / IIO driver updates from Greg KH:
 "Here is the big set of IIO and staging driver patches for 5.14-rc1.

  Loads of IIO driver updates and additions in here, the shortlog has
  the full details.

  For the staging side, we moved a few drivers out of staging, and
  deleted the kpc2000 drivers as the original developer asked us to
  because no one was working on them anymore.

  Also in here are loads of coding style cleanups due to different
  intern projects focusing on the staging tree to try to get experience
  doing kernel development.

  All of these have been in the linux-next tree for a while with no
  reported problems"

* tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (744 commits)
  staging: hi6421-spmi-pmic: cleanup some macros
  staging: hi6421-spmi-pmic: change identation of a table
  staging: hi6421-spmi-pmic: change a return code
  staging: hi6421-spmi-pmic: better name IRQs
  staging: hi6421-spmi-pmic: use devm_request_threaded_irq()
  staging: hisilicon,hi6421-spmi-pmic.yaml: cleanup descriptions
  spmi: hisi-spmi-controller: move driver from staging
  phy: phy-hi3670-usb3: move driver from staging into phy
  staging: rtl8188eu: remove include/rtw_debug.h header
  staging: rtl8188eu: remove GlobalDebugLevel variable
  staging: rtl8188eu: remove DRIVER_PREFIX preprocessor definition
  staging: rtl8188eu: remove RT_TRACE macro
  staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_recv.c
  staging: rtl8188eu: remove all RT_TRACE calls from hal/hal_intf.c
  staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_xmit.c
  staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_xmit.c
  staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_pwrctrl.c
  staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_recv.c
  staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ioctl_set.c
  staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ieee80211.c
  ...
2021-07-05 14:01:53 -07:00
Linus Torvalds
f5c13f1fde Driver core changes for 5.14-rc1
Here is the small set of driver core and debugfs updates for 5.14-rc1.
 
 Included in here are:
 	- debugfs api cleanups (touched some drivers)
 	- devres updates
 	- tiny driver core updates and tweaks
 
 Nothing major in here at all, and all have been in linux-next for a
 while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core changes from Greg KH:
 "Here is the small set of driver core and debugfs updates for 5.14-rc1.

  Included in here are:

   - debugfs api cleanups (touched some drivers)

   - devres updates

   - tiny driver core updates and tweaks

  Nothing major in here at all, and all have been in linux-next for a
  while with no reported issues"

* tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (27 commits)
  docs: ABI: testing: sysfs-firmware-memmap: add some memmap types.
  devres: Enable trace events
  devres: No need to call remove_nodes() when there none present
  devres: Use list_for_each_safe_from() in remove_nodes()
  devres: Make locking straight forward in release_nodes()
  kernfs: move revalidate to be near lookup
  drivers/base: Constify static attribute_group structs
  firmware_loader: remove unneeded 'comma' macro
  devcoredump: remove contact information
  driver core: Drop helper devm_platform_ioremap_resource_wc()
  component: Rename 'dev' to 'parent'
  component: Drop 'dev' argument to component_match_realloc()
  device property: Don't check for NULL twice in the loops
  driver core: auxiliary bus: Fix typo in the docs
  drivers/base/node.c: make CACHE_ATTR define static DEVICE_ATTR_RO
  debugfs: remove return value of debugfs_create_ulong()
  debugfs: remove return value of debugfs_create_bool()
  scsi: snic: debugfs: remove local storage of debugfs files
  b43: don't save dentries for debugfs
  b43legacy: don't save dentries for debugfs
  ...
2021-07-05 13:51:41 -07:00
Linus Torvalds
eed0218e8c Char / Misc driver updates for 5.14-rc1
Here is the big set of char / misc and other driver subsystem updates
 for 5.14-rc1.  Included in here are:
 	- habanna driver updates
 	- fsl-mc driver updates
 	- comedi driver updates
 	- fpga driver updates
 	- extcon driver updates
 	- interconnect driver updates
 	- mei driver updates
 	- nvmem driver updates
 	- phy driver updates
 	- pnp driver updates
 	- soundwire driver updates
 	- lots of other tiny driver updates for char and misc drivers
 
 This is looking more and more like the "various driver subsystems mushed
 together" tree...
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the big set of char / misc and other driver subsystem updates
  for 5.14-rc1. Included in here are:

   - habanalabs driver updates

   - fsl-mc driver updates

   - comedi driver updates

   - fpga driver updates

   - extcon driver updates

   - interconnect driver updates

   - mei driver updates

   - nvmem driver updates

   - phy driver updates

   - pnp driver updates

   - soundwire driver updates

   - lots of other tiny driver updates for char and misc drivers

  This is looking more and more like the "various driver subsystems
  mushed together" tree...

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (292 commits)
  mcb: Use DEFINE_RES_MEM() helper macro and fix the end address
  PNP: moved EXPORT_SYMBOL so that it immediately followed its function/variable
  bus: mhi: pci-generic: Add missing 'pci_disable_pcie_error_reporting()' calls
  bus: mhi: Wait for M2 state during system resume
  bus: mhi: core: Fix power down latency
  intel_th: Wait until port is in reset before programming it
  intel_th: msu: Make contiguous buffers uncached
  intel_th: Remove an unused exit point from intel_th_remove()
  stm class: Spelling fix
  nitro_enclaves: Set Bus Master for the NE PCI device
  misc: ibmasm: Modify matricies to matrices
  misc: vmw_vmci: return the correct errno code
  siox: Simplify error handling via dev_err_probe()
  fpga: machxo2-spi: Address warning about unused variable
  lkdtm/heap: Add init_on_alloc tests
  selftests/lkdtm: Enable various testable CONFIGs
  lkdtm: Add CONFIG hints in errors where possible
  lkdtm: Enable DOUBLE_FAULT on all architectures
  lkdtm/heap: Add vmalloc linear overflow test
  lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE
  ...
2021-07-05 13:42:16 -07:00
Linus Torvalds
3f8b8e7dbd - New Drivers
- Add support for Richtek RT4831 Backlight
 
  - New Device Support
    - Add support for Qualcomm PMI8994 WLED Backlight
 
  - Fix-ups
    - Device Tree adaptions; richtek,rt4831-backlight
    - Trivial; spelling, whitespace, etc; Kconfig
    - Use Atomic PWM API; lm3630a_bl
 
  - Bug Fixes
    - Fix Firmware Node Leak in error path; lm3630a_bl
    - Fix erroneous return codes; lm3630a_bl
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Merge tag 'backlight-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Add support for Richtek RT4831 Backlight

  New Device Support:
   - Add support for Qualcomm PMI8994 WLED Backlight

  Fix-ups:
   - Device Tree adaptions to richtek,rt4831-backlight
   - Trivial spelling, whitespace, etc in Kconfig
   - Use Atomic PWM API in lm3630a_bl

  Bug Fixes:
   - Fix Firmware Node Leak in error path in lm3630a_bl
   - Fix erroneous return codes in lm3630a_bl"

* tag 'backlight-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: lm3630a: Convert to atomic PWM API and check for errors
  backlight: lm3630a: Fix return code of .update_status() callback
  backlight: Kconfig whitespace and indentation cleanups
  video: backlight: qcom-wled: Add PMI8994 compatible
  backlight: rt4831: Adds support for Richtek RT4831 backlight
  backlight: rt4831: Adds DT binding document for Richtek RT4831 backlight
  backlight: lm3630a_bl: Put fwnode in error case during ->probe()
2021-07-05 12:16:00 -07:00
Linus Torvalds
463c09d09d - Core Frameworks
- Fix Software Node clean-up code
 
  - New Drivers
    - Add support for MediaTek MT6359 PMIC
    - Add support for Qualcomm PM8008 PMIC
    - Add support for Richtek RT4831
 
  - New Device Support
    - Add support for Audio CODECs to Rockchip RK817
    - Add support for Alder Lake-M to Intel LPSS PCI
    - Add support for Periph Device Charge to ChromeOS EC
 
  - New Functionality
    - Provide additional IRQs; wcd934x
    - Add optional Reset functionality; lp87565
 
  - Fix-ups
    - Namespacing & visibility; lp87565
    - Differentiate between Power and Home key IRQs; mt6358
    - Export I2C device tables; da9052-i2c, stmpe-i2c
    - Adapt IRQ flags; max8907, rn5t61, max8907
    - Make some functions/devices optional; axp20x, cros_ec_dev
    - Explicitly include used header files; ioc3
    - Remove superfluous lines; MAINTAINERS, sec-core, st,stm32-timers
    - Resolve Kerneldoc issues; omap-usb-host, omap-usb-tll, si476x-cmd, si476x-i2c
    - Convert to a module; arizona-core
    - Copyright changes; hi655x-pmic
    - Drop support for board file initialisation; sec-core
    - Trivial; spelling, whitespace etc; lp87565, si476x-cmd, mt6360-core, wm831x-core,
 					twl-core, db8500-prcmu
    - Simplify various implementations; wcd934x, mt6360-core, max8997, max8998,
                                        da9052-i2c, da9062-core, sec-core,
    - Device Tree binding changes; google,cros-ec, richtek,rt4831-backlight,
                                   db8500-prcmu, qcom,pm8008, qcom,spmi-pmic
    - Use provided APIs to simplify; t7l66xb, as3722, da9055-core, tps80031, 88pm800,
                                 88pm805, asic3, sun6i-prcm,
 				wm831x-core, wm831x-otp,
 				ucb1x00-assabet, timberdale, sm501,
 				pcf50633-core, kempld-core,
 				janz-cmodio, intel_soc_pmic_bxtwc, ab8500-core
 
  - Bug Fixes
    - Fix unused variable warning; rk817_codec
    - Fix regulator voltage configuration; rohm-bd71828
    - Fix ongoing freeing of regmap_config 'name' issue; syscon
    - Fix error handling path; da9063-i2c
    - Fix Kconfig issues; MFD_MP2629
    - Fix DMA mask warnings; motorola-cpcap
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Merge tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd updates from Lee Jones:
 "Core Frameworks:
   - Fix Software Node clean-up code

  New Drivers:
   - Add support for MediaTek MT6359 PMIC
   - Add support for Qualcomm PM8008 PMIC
   - Add support for Richtek RT4831

  New Device Support:
   - Add support for Audio CODECs to Rockchip RK817
   - Add support for Alder Lake-M to Intel LPSS PCI
   - Add support for Periph Device Charge to ChromeOS EC

  New Functionality:
   - Provide additional IRQs for wcd934x
   - Add optional Reset functionality to lp87565

  Fix-ups:
   - Namespacing & visibility fixes to lp87565
   - Differentiate between Power and Home key IRQs in mt6358
   - Export I2C device tables in da9052-i2c, stmpe-i2c
   - Adapt IRQ flags in max8907, rn5t61, max8907
   - Make some functions/devices optional in axp20x, cros_ec_dev
   - Explicitly include used header files in ioc3
   - Remove superfluous lines in MAINTAINERS, sec-core, st,stm32-timers
   - Resolve Kerneldoc issues in omap-usb-host, omap-usb-tll, si476x-cmd, si476x-i2c
   - Convert arizona-core to a module
   - Copyright changes in hi655x-pmic
   - Drop support for board file initialisation in sec-core
   - Trivial spelling, whitespace etc updates in lp87565, si476x-cmd,
     mt6360-core, wm831x-core, twl-core, db8500-prcmu
   - Simplify various implementations of wcd934x, mt6360-core, max8997,
     max8998, da9052-i2c, da9062-core, sec-core,
   - Device Tree binding changes in google,cros-ec,
     richtek,rt4831-backlight, db8500-prcmu, qcom,pm8008, qcom,spmi-pmic
   - Use provided APIs to simplify t7l66xb, as3722, da9055-core,
     tps80031, 88pm800, 88pm805, asic3, sun6i-prcm, wm831x-core,
     wm831x-otp, ucb1x00-assabet, timberdale, sm501, pcf50633-core,
     kempld-core, janz-cmodio, intel_soc_pmic_bxtwc, ab8500-core

  Bug Fixes:
   - Fix unused variable warning in rk817_codec
   - Fix regulator voltage configuration in rohm-bd71828
   - Fix ongoing freeing of regmap_config 'name' issue in syscon
   - Fix error handling path in da9063-i2c
   - Fix Kconfig issues in MFD_MP2629
   - Fix DMA mask warnings in motorola-cpcap"

* tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (83 commits)
  mfd: cros_ec: Add peripheral device charger
  mfd: max8907: Remove IRQF_NO_AUTOEN flag
  mfd: ab8500-core: Use DEVICE_ATTR_RO/RW macro
  mfd: intel_soc_pmic_bxtwc: Use DEVICE_ATTR_ADMIN_RW macro
  mfd: janz-cmodio: Use DEVICE_ATTR_RO macro
  mfd: kempld-core: Use DEVICE_ATTR_RO macro
  mfd: pcf50633: Use DEVICE_ATTR_ADMIN_RO macro
  mfd: sm501: Use DEVICE_ATTR_RO macro
  mfd: timberdale: Use DEVICE_ATTR_RO macro
  mfd: ucb1x00-assabet: Use DEVICE_ATTR_RO macro
  mfd: wm831x: Use DEVICE_ATTR_RO macro
  mfd: wm831x: Use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_IRQ() to simplify code
  dt-bindings: mfd: stm32-timers: Remove #address/size cells from required properties
  mfd: sun6i-prcm: Use DEFINE_RES_MEM() to simplify code
  mfd: asic3: Use DEFINE_RES_MEM() and DEFINE_RES_IRQ() to simplify code
  mfd: 88pm805: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: 88pm800: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: tps80031: Use DEFINE_RES_IRQ() to simplify code
  mfd: da9055: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: as3722: Use DEFINE_RES_IRQ_NAMED() to simplify code
  ...
2021-07-05 12:10:34 -07:00
Linus Torvalds
18ef082713 dmaengine updates for v5.14-rc1
New drivers/devices
  - Support for QCOM SM8250 GPI DMA
  - removal of shdma-of driver and binding
 
 Updates:
  - arm-pl08x yaml binding move
  - altera-msgdma gained DT support
  - removal of imx-sdma platform data support
  - idxd and xilinx driver updates
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Merge tag 'dmaengine-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "This time around we have a smaller pull request than usual and this
  includes code removal, so should be good!

  New drivers/devices
   - Support for QCOM SM8250 GPI DMA
   - removal of shdma-of driver and binding

  Updates:
   - arm-pl08x yaml binding move
   - altera-msgdma gained DT support
   - removal of imx-sdma platform data support
   - idxd and xilinx driver updates"

* tag 'dmaengine-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (22 commits)
  dmaengine: imx-sdma: Remove platform data header
  dmaengine: xilinx: dpdma: Fix spacing around addr[i-1]
  dmaengine: xilinx: dpdma: Use kernel type u32 over uint32_t
  dmaengine: altera-msgdma: add OF support
  MAINTAINERS: add entry for Altera mSGDMA
  dt-bindings: dma: add schema for altera-msgdma
  dmaengine: xilinx: dpdma: fix kernel-doc
  dmaengine: sf-pdma: apply proper spinlock flags in sf_pdma_prep_dma_memcpy()
  dmaengine: sh: Remove unused shdma-of driver
  dt-bindings: dmaengine: Remove SHDMA Device Tree bindings
  dmaengine: qcom: gpi: Add SM8250 compatible
  dt-bindings: dmaengine: qcom: gpi: add compatible for sm8250
  dmaengine: sun4i: Use list_move_tail instead of list_del/list_add_tail
  dmaengine: ti: omap-dma: Skip pointless cpu_pm context restore on errors
  dmaengine: hsu: Account transferred bytes
  dmaengine: Move kdoc description of struct dma_chan_percpu closer to it
  dmaengine: xilinx: dpdma: Print debug message when losing vsync race
  dmaengine: xilinx: dpdma: Print channel number in kernel log messages
  dt-bindings: dma: convert arm-pl08x to yaml
  dmaengine: idxd: remove devm allocation for idxd->int_handles
  ...
2021-07-05 12:05:13 -07:00
Linus Torvalds
8f3f2ccf3c MMC core:
- Clear flags before allowing to retune
 
 MMC host:
  - sdhci: Clear unused bounce buffer at DMA mmap error path
  - sdhci: Fix warning message when accessing RPMB in HS400 mode
  - sdhci-of-arasan: Use clock-frequency property to update clk_xin
  - mtk-sd: Fixup compatible string for MT8195
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Merge tag 'mmc-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson
 "MMC core:
   - Clear flags before allowing to retune

  MMC host:
   - sdhci: Clear unused bounce buffer at DMA mmap error path
   - sdhci: Fix warning message when accessing RPMB in HS400 mode
   - sdhci-of-arasan: Use clock-frequency property to update clk_xin
   - mtk-sd: Fixup compatible string for MT8195"

* tag 'mmc-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci: Fix warning message when accessing RPMB in HS400 mode
  dt-bindings: mmc: change compatiable string for MT8195 mmc host IP
  mmc: sdhci: Clear unused bounce buffer at DMA mmap error path
  phy: intel: Fix for warnings due to EMMC clock 175Mhz change in FIP
  mmc: sdhci-of-arasan: Use clock-frequency property to update clk_xin
  mmc: core: clear flags before allowing to retune
2021-07-05 12:01:09 -07:00
Linus Torvalds
b805259942 gpio: updates for v5.14
- new driver for the IDT 79RC3243x GPIO controller
 - device tree bindings coversion to YAML for the following drivers:
   gpio-rk3328-grf, gpio-omap, gpio-davinci, gpio-zynq, gpio-stp, gpio-pcf857x
 - cleanup of probe functions in many drivers from Alexandru Ardelean, mostly
   dropping unnecessary calls to platform_set_drvdata() and removing error
   messages where none are needed (handled by the subsystem already)
 - several improvements to the core gpiolib and the sysfs interface code from
   Andy Shevchenko
 - conversion of the gpio-xilinx driver to using the bitmap API + improvements
   of suspend/resume handling + minor tweaks
 - convert the gpio-stmpe to using devres helpers exclusively in probe for
   improved robustness
 - updates for the generic gpio-regmap driver
 - updates for the gpio-dwapb driver
 - support for a new model in gpio-pca953x
 - cleanups in gpio-tegra186, gpio-104-idio-16, gpio-mxs & gpio-xgene
 - slight code refactoring of the gpio-zynq driver
 - documentation fixes from Mauro Carvalho Chehab
 - a bunch of minor tweaks and improvements all over the place
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Merge tag 'gpio-updates-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "One new driver, support for new models in existing ones, dt-bindings
  conversions for several modules and improvements all over the place.

  Summary:

   - new driver for the IDT 79RC3243x GPIO controller

   - device tree bindings coversion to YAML for the following drivers:
     gpio-rk3328-grf, gpio-omap, gpio-davinci, gpio-zynq, gpio-stp,
     gpio-pcf857x

   - cleanup of probe functions in many drivers from Alexandru Ardelean,
     mostly dropping unnecessary calls to platform_set_drvdata() and
     removing error messages where none are needed (handled by the
     subsystem already)

   - several improvements to the core gpiolib and the sysfs interface
     code from Andy Shevchenko

   - conversion of the gpio-xilinx driver to using the bitmap API +
     improvements of suspend/resume handling + minor tweaks

   - convert the gpio-stmpe to using devres helpers exclusively in probe
     for improved robustness

   - updates for the generic gpio-regmap driver

   - updates for the gpio-dwapb driver

   - support for a new model in gpio-pca953x

   - cleanups in gpio-tegra186, gpio-104-idio-16, gpio-mxs & gpio-xgene

   - slight code refactoring of the gpio-zynq driver

   - documentation fixes from Mauro Carvalho Chehab

   - a bunch of minor tweaks and improvements all over the place"

* tag 'gpio-updates-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (57 commits)
  docs: driver-api: gpio: using-gpio.rst: avoid using ReST :doc:`foo` markup
  dt-bindings: gpio: pcf857x: Convert to json-schema
  gpio: mxs: Prefer unsigned int to bare use of unsigned
  dt-bindings: gpio: stp: convert to json-schema
  dt-bindings: gpio: zynq: convert bindings to YAML
  dt-bindings: gpio: gpio-davinci: Convert to json-schema
  gpio: pca953x: Add support for the On Semi pca9655
  gpio: gpio-xilinx: update on suspend and resume calls
  gpio: zynq: Check return value of irq_get_irq_data
  gpio: zynq: Check return value of pm_runtime_get_sync
  gpio: zynq: use module_platform_driver to simplify the code
  gpio: idt3243x: Fix return value check in idt_gpio_probe()
  MAINTAINERS: update ti,omap-gpio.yaml reference
  dt-bindings: gpio: Add devicetree binding for IDT 79RC32434 GPIO controller
  gpio: Add support for IDT 79RC3243x GPIO controller
  gpio: regmap: move drvdata to config data
  gpio-dwapb: Drop unused headers and sort the rest
  gpio: gpio-regmap: Use devm_add_action_or_reset()
  gpio: dwapb: Switch to use fwnode_irq_get()
  gpio: dwapb: Drop redundant check in dwapb_irq_set_type()
  ...
2021-07-05 11:48:14 -07:00
Linus Torvalds
1f89a590b2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a new driver for SparkFun Qwiic Joystick

 - pm8941-pwrkey driver now supports PMK8350

 - a bunch of assorted driver fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
  Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
  Input: hideep - fix the uninitialized use in hideep_nvm_unlock()
  Input: trackpoint - use kobj_to_dev()
  Input: atkbd - use kobj_to_dev()
  Input: tsc200x-core - use kobj_to_dev()
  Input: ims-pcu - use kobj_to_dev()
  Input: cros_ec_keyb - use kobj_to_dev() API
  dt-bindings: input: touchscreen: st1232: Convert to json-schema
  Input: i8042 - fix typos in comments
  Input: add SparkFun Qwiic Joystick driver
  dt-bindings: Add vendor prefix and bindings for Qwiic Joystick
  Input: cy8ctmg110_ts - switch to using gpiod API
  Input: cy8ctmg110_ts - switch to using managed resources
  Input: cy8ctmg110_ts - use endian helpers when converting data on wire
  Input: cy8ctmg110_ts - let I2C core configure wake interrupt
  Input: cy8ctmg110_ts - do not hardcode as wakeup source
  Input: cy8ctmg110_ts - do not hard code interrupt trigger
  Input: cy8ctmg110_ts - rely on platform code to supply interrupt
  Input: resistive-adc-touch - fix uninitialized variable 'press'
  Input: pm8941-pwrkey - add support for PMK8350 PON_HLOS PMIC peripheral
  ...
2021-07-05 11:42:45 -07:00
Linus Torvalds
da85e7ed69 MTD core changes:
* Convert list_for_each to entry variant
 * Use MTD_DEVICE_ATTR_RO/RW() helper macros
 * Remove unnecessary OOM messages
 * Potential NULL dereference in mtd_otp_size()
 * Fix freeing of otp_info buffer
 * Create partname and partid debug files for child MTDs
 * tests:
   - Remove redundant assignment to err
   - Fix error return code in mtd_oobtest_init()
 * Add OTP NVMEM provider support
 * Allow specifying of_node
 * Convert sysfs sprintf/snprintf family to sysfs_emit
 
 Bindings changes:
 * Convert ti,am654-hbmc.txt to YAML schema
 * spi-nor: add otp property
 * Add OTP bindings
 * add YAML schema for the generic MTD bindings
 * Add brcm,trx-magic
 
 MTD device drivers changes:
 * Add support for microchip 48l640 EERAM
 * Remove superfluous "break"
 * sm_ftl:
   - Fix alignment of block comment
 * nftl:
   - Return -ENOMEM when kmalloc failed
 * nftlcore:
   - Remove set but rewrite variables
 * phram:
   - Fix error return code in phram_setup()
 * plat-ram:
   - Remove redundant dev_err call in platram_probe()
 
 MTD parsers changes:
 * Qcom:
   - Fix leaking of partition name
 * Redboot:
   - Fix style issues
   - Seek fis-index-block in the right node
 * trx:
   - Allow to use TRX parser on Mediatek SoCs
   - Allow to specify brcm, trx-magic in DT
 
 Raw NAND core:
 * Allow SDR timings to be nacked
 * Bring support for NV-DDR timings which involved a number of small
   preparation changes to bring new helpers, properly introduce NV-DDR
   structures, fill them, differenciate them and pick the best timing set.
 * Add the necessary infrastructure to parse the new gpio-cs property
   which aims at enlarging the number of available CS when a hardware
   controller is too constrained.
 * Update dead URL
 * Silence static checker warning in nand_setup_interface()
 * BBT:
   - Fix corner case in bad block table handling
 * onfi:
   - Use more recent ONFI specification wording
   - Use the BIT() macro when possible
 
 Raw NAND controller drivers:
 * Atmel:
   - Ensure the data interface is supported.
 * Arasan:
   - Finer grain NV-DDR configuration
   - Rename the data interface register
   - Use the right DMA mask
   - Leverage additional GPIO CS
   - Ensure proper configuration for the asserted target
   - Add support for the NV-DDR interface
   - Fix a macro parameter
 * brcmnand:
   - Convert bindings to json-schema
 * OMAP:
   - Various fixes and style improvements
   - Add larger page NAND chips support
 * PL35X:
   - New driver
 * QCOM:
   - Avoid writing to obsolete register
   - Delete an unneeded bool conversion
   - Allow override of partition parser
 * Marvell:
   - Minor documentation correction
   - Add missing clk_disable_unprepare() on error in marvell_nfc_resume()
 * R852:
   - Use DEVICE_ATTR_RO() helper macro
 * MTK:
   - Remove redundant dev_err call in mtk_ecc_probe()
 * HISI504:
   - Remove redundant dev_err call in probe
 
 SPI-NAND core:
 * Light reorganisation for the introduction of a core resume handler
 * Fix double counting of ECC stats
 
 SPI-NAND manufacturer drivers:
 * Macronix:
   - Add support for serial NAND flash
 
 SPI NOR core changes:
 * Ability to dump SFDP tables via sysfs
 * Support for erasing OTP regions on Winbond and similar flashes
 * Few API doc updates and fixes
 * Locking support for MX25L12805D
 
 SPI NOR controller drivers changes:
 * Use SPI_MODE_X_MASK in nxp-spifi
 * Intel Alder Lake-M SPI serial flash support
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Merge tag 'mtd/for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Richard Weinberger:
 "MTD core changes:
   - Convert list_for_each to entry variant
   - Use MTD_DEVICE_ATTR_RO/RW() helper macros
   - Remove unnecessary OOM messages
   - Potential NULL dereference in mtd_otp_size()
   - Fix freeing of otp_info buffer
   - Create partname and partid debug files for child MTDs
   - tests:
      - Remove redundant assignment to err
      - Fix error return code in mtd_oobtest_init()
   - Add OTP NVMEM provider support
   - Allow specifying of_node
   - Convert sysfs sprintf/snprintf family to sysfs_emit

  Bindings changes:
   - Convert ti,am654-hbmc.txt to YAML schema
   - spi-nor: add otp property
   - Add OTP bindings
   - add YAML schema for the generic MTD bindings
   - Add brcm,trx-magic

  MTD device drivers changes:
   - Add support for microchip 48l640 EERAM
   - Remove superfluous "break"
   - sm_ftl:
      - Fix alignment of block comment
   - nftl:
      - Return -ENOMEM when kmalloc failed
   - nftlcore:
      - Remove set but rewrite variables
   - phram:
      - Fix error return code in phram_setup()
   - plat-ram:
      - Remove redundant dev_err call in platram_probe()

  MTD parsers changes:
   - Qcom:
      - Fix leaking of partition name
   - Redboot:
      - Fix style issues
      - Seek fis-index-block in the right node
   - trx:
      - Allow to use TRX parser on Mediatek SoCs
      - Allow to specify brcm, trx-magic in DT

  Raw NAND core:
   - Allow SDR timings to be nacked
   - Bring support for NV-DDR timings which involved a number of small
     preparation changes to bring new helpers, properly introduce NV-DDR
     structures, fill them, differenciate them and pick the best timing
     set.
   - Add the necessary infrastructure to parse the new gpio-cs property
     which aims at enlarging the number of available CS when a hardware
     controller is too constrained.
   - Update dead URL
   - Silence static checker warning in nand_setup_interface()
   - BBT:
      - Fix corner case in bad block table handling
   - onfi:
      - Use more recent ONFI specification wording
      - Use the BIT() macro when possible

  Raw NAND controller drivers:
   - Atmel:
      - Ensure the data interface is supported.
   - Arasan:
      - Finer grain NV-DDR configuration
      - Rename the data interface register
      - Use the right DMA mask
      - Leverage additional GPIO CS
      - Ensure proper configuration for the asserted target
      - Add support for the NV-DDR interface
      - Fix a macro parameter
   - brcmnand:
      - Convert bindings to json-schema
   - OMAP:
      - Various fixes and style improvements
      - Add larger page NAND chips support
   - PL35X:
      - New driver
   - QCOM:
      - Avoid writing to obsolete register
      - Delete an unneeded bool conversion
      - Allow override of partition parser
   - Marvell:
      - Minor documentation correction
      - Add missing clk_disable_unprepare() on error in
        marvell_nfc_resume()
   - R852:
      - Use DEVICE_ATTR_RO() helper macro
   - MTK:
      - Remove redundant dev_err call in mtk_ecc_probe()
   - HISI504:
      - Remove redundant dev_err call in probe

  SPI-NAND core:
   - Light reorganisation for the introduction of a core resume handler
   - Fix double counting of ECC stats

  SPI-NAND manufacturer drivers:
   - Macronix:
      - Add support for serial NAND flash

  SPI NOR core changes:
   - Ability to dump SFDP tables via sysfs
   - Support for erasing OTP regions on Winbond and similar flashes
   - Few API doc updates and fixes
   - Locking support for MX25L12805D

  SPI NOR controller drivers changes:
   - Use SPI_MODE_X_MASK in nxp-spifi
   - Intel Alder Lake-M SPI serial flash support"

* tag 'mtd/for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (125 commits)
  mtd: spi-nor: remove redundant continue statement
  mtd: rawnand: omap: Add larger page NAND chips support
  mtd: rawnand: omap: Various style fixes
  mtd: rawnand: omap: Check return values
  mtd: rawnand: omap: Rename a macro
  mtd: rawnand: omap: Aggregate the HW configuration of the ELM
  mtd: rawnand: pl353: Add support for the ARM PL353 SMC NAND controller
  dt-bindings: mtd: pl353-nand: Describe this hardware controller
  MAINTAINERS: Add PL353 NAND controller entry
  mtd: rawnand: qcom: avoid writing to obsolete register
  mtd: rawnand: marvell: Minor documentation correction
  mtd: rawnand: r852: use DEVICE_ATTR_RO() helper macro
  mtd: spinand: add SPI-NAND MTD resume handler
  mtd: spinand: Add spinand_init_flash() helper
  mtd: spinand: add spinand_read_cfg() helper
  mtd: rawnand: marvell: add missing clk_disable_unprepare() on error in marvell_nfc_resume()
  mtd: rawnand: arasan: Finer grain NV-DDR configuration
  mtd: rawnand: arasan: Rename the data interface register
  mtd: rawnand: onfi: Fix endianness when reading NV-DDR values
  mtd: rawnand: arasan: Use the right DMA mask
  ...
2021-07-05 11:21:51 -07:00
Linus Torvalds
8fc4fb1728 m68knommu: fixes for v5.14
Fixes include:
 . fix missing LCD splash screen data initializer
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Merge tag 'm68knommu-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu update from Greg Ungerer:
 "Fix fix missing LCD splash screen data initializer"

* tag 'm68knommu-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: fix missing LCD splash screen data initializer
2021-07-05 11:16:28 -07:00
Dmitry Torokhov
818b265889 Merge branch 'next' into for-linus
Prepare input updates for 5.14 merge window.
2021-07-04 23:05:31 -07:00
Alexander Larkin
f8f84af5da Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
Even though we validate user-provided inputs we then traverse past
validated data when applying the new map. The issue was originally
discovered by Murray McAllister with this simple POC (if the following
is executed by an unprivileged user it will instantly panic the system):

int main(void) {
	int fd, ret;
	unsigned int buffer[10000];

	fd = open("/dev/input/js0", O_RDONLY);
	if (fd == -1)
		printf("Error opening file\n");

	ret = ioctl(fd, JSIOCSBTNMAP & ~IOCSIZE_MASK, &buffer);
	printf("%d\n", ret);
}

The solution is to traverse internal buffer which is guaranteed to only
contain valid date when constructing the map.

Fixes: 182d679b22 ("Input: joydev - prevent potential read overflow in ioctl")
Fixes: 999b874f4a ("Input: joydev - validate axis/button maps before clobbering current ones")
Reported-by: Murray McAllister <murray.mcallister@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Alexander Larkin <avlarkin82@gmail.com>
Link: https://lore.kernel.org/r/20210620120030.1513655-1-avlarkin82@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2021-07-04 23:02:10 -07:00
Linus Torvalds
a180bd1d7e iov_iter: remove uaccess_kernel() warning from iov_iter_init()
This warning was there to catch any architectures that still use
CONFIG_SET_FS, and that would mis-use iov_iter_init() for anything that
wasn't a proper user space pointer.  So that

        WARN_ON_ONCE(uaccess_kernel());

makes perfect conceptual sense: you really shouldn't use a kernel
pointer with set_fs(KERNEL_DS) and then pass it to iov_iter_init().

HOWEVER.

Guenter Roeck reports that this warning actually triggers in no-mmu
configurations of both ARM and m68k.  And the reason isn't that they
pass in a kernel pointer under set_fs(KERNEL_DS) at all: the reason is
that in those configurations, "uaccess_kernel()" is simply not reliable.

Those no-mmu setups set USER_DS and KERNEL_DS to the same values, so you
can't test for the difference.

In particular, the no-mmu case for ARM does

   #define USER_DS                 KERNEL_DS
   #define uaccess_kernel()        (true)

so USER_DS and KERNEL_DS have the same value, and uaccess_kernel() is
always trivially true.

The m68k case is slightly different and not quite as obvious.  It does
(spread out over multiple header files just to be extra exciting:
asm/processor.h, asm/segment.h and asm-generic/uaccess.h):

   #define TASK_SIZE       (0xFFFFFFFFUL)
   #define USER_DS         MAKE_MM_SEG(TASK_SIZE)
   #define KERNEL_DS       MAKE_MM_SEG(~0UL)
   #define get_fs()        (current_thread_info()->addr_limit)
   #define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)

but the end result is the same: uaccess_kernel() will always be true,
because USER_DS and KERNEL_DS end up having the same value, even if that
value is defined differently.

This is very arguably a misfeature in those implementations, but in the
end we don't really care.  All modern architectures have gotten rid of
set_fs() already, and generic kernel code never uses it.  And while the
sanity check was a nice idea, an architecture would have to go the extra
mile to actually break this.

So this well-intentioned warning isn't really all that likely to find
anything but these known false positives, and as such just isn't worth
maintaining.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 8cd54c1c84 ("iov_iter: separate direction from flavour")
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-04 16:12:42 -07:00
Linus Torvalds
28e92f9903 Merge branch 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:

 - Bitmap parsing support for "all" as an alias for all bits

 - Documentation updates

 - Miscellaneous fixes, including some that overlap into mm and lockdep

 - kvfree_rcu() updates

 - mem_dump_obj() updates, with acks from one of the slab-allocator
   maintainers

 - RCU NOCB CPU updates, including limited deoffloading

 - SRCU updates

 - Tasks-RCU updates

 - Torture-test updates

* 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (78 commits)
  tasks-rcu: Make show_rcu_tasks_gp_kthreads() be static inline
  rcu-tasks: Make ksoftirqd provide RCU Tasks quiescent states
  rcu: Add missing __releases() annotation
  rcu: Remove obsolete rcu_read_unlock() deadlock commentary
  rcu: Improve comments describing RCU read-side critical sections
  rcu: Create an unrcu_pointer() to remove __rcu from a pointer
  srcu: Early test SRCU polling start
  rcu: Fix various typos in comments
  rcu/nocb: Unify timers
  rcu/nocb: Prepare for fine-grained deferred wakeup
  rcu/nocb: Only cancel nocb timer if not polling
  rcu/nocb: Delete bypass_timer upon nocb_gp wakeup
  rcu/nocb: Cancel nocb_timer upon nocb_gp wakeup
  rcu/nocb: Allow de-offloading rdp leader
  rcu/nocb: Directly call __wake_nocb_gp() from bypass timer
  rcu: Don't penalize priority boosting when there is nothing to boost
  rcu: Point to documentation of ordering guarantees
  rcu: Make rcu_gp_cleanup() be noinline for tracing
  rcu: Restrict RCU_STRICT_GRACE_PERIOD to at most four CPUs
  rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP
  ...
2021-07-04 12:58:33 -07:00
Linus Torvalds
da803f82fa Merge branch 'lkmm.2021.05.10c' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull lkmm fixlet from Paul E McKenney.

Fix missing underscore in Linux-kernel memory model docs.

* 'lkmm.2021.05.10c' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  tools/memory-model: Fix smp_mb__after_spinlock() spelling
2021-07-04 12:33:31 -07:00
Linus Torvalds
b97efd5e98 Merge branch 'kcsan.2021.05.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney.

* 'kcsan.2021.05.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  kcsan: Use URL link for pointing access-marking.txt
  kcsan: Document "value changed" line
  kcsan: Report observed value changes
  kcsan: Remove kcsan_report_type
  kcsan: Remove reporting indirection
  kcsan: Refactor access_info initialization
  kcsan: Fold panic() call into print_report()
  kcsan: Refactor passing watchpoint/other_info
  kcsan: Distinguish kcsan_report() calls
  kcsan: Simplify value change detection
  kcsan: Add pointer to access-marking.txt to data_race() bullet
2021-07-04 12:29:16 -07:00
Linus Torvalds
a412897fb5 memblock, arm: fix crashes caused by holes in the memory map
The coordination between freeing of unused memory map, pfn_valid() and core
 mm assumptions about validity of the memory map in various ranges was not
 designed for complex layouts of the physical memory with a lot of holes all
 over the place.
 
 Kefen Wang reported crashes in move_freepages() on a system with the
 following memory layout [1]:
 
   node   0: [mem 0x0000000080a00000-0x00000000855fffff]
   node   0: [mem 0x0000000086a00000-0x0000000087dfffff]
   node   0: [mem 0x000000008bd00000-0x000000008c4fffff]
   node   0: [mem 0x000000008e300000-0x000000008ecfffff]
   node   0: [mem 0x0000000090d00000-0x00000000bfffffff]
   node   0: [mem 0x00000000cc000000-0x00000000dc9fffff]
   node   0: [mem 0x00000000de700000-0x00000000de9fffff]
   node   0: [mem 0x00000000e0800000-0x00000000e0bfffff]
   node   0: [mem 0x00000000f4b00000-0x00000000f6ffffff]
   node   0: [mem 0x00000000fda00000-0x00000000ffffefff]
 
 These crashes can be mitigated by enabling CONFIG_HOLES_IN_ZONE on ARM and
 essentially turning pfn_valid_within() to pfn_valid() instead of having it
 hardwired to 1 on that architecture, but this would require to keep
 CONFIG_HOLES_IN_ZONE solely for this purpose.
 
 A cleaner approach is to update ARM's implementation of pfn_valid() to take
 into accounting rounding of the freed memory map to pageblock boundaries
 and make sure it returns true for PFNs that have memory map entries even if
 there is no physical memory backing those PFNs.
 
 [1] https://lore.kernel.org/lkml/2a1592ad-bc9d-4664-fd19-f7448a37edc0@huawei.com
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Merge tag 'memblock-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:
 "Fix arm crashes caused by holes in the memory map.

  The coordination between freeing of unused memory map, pfn_valid() and
  core mm assumptions about validity of the memory map in various ranges
  was not designed for complex layouts of the physical memory with a lot
  of holes all over the place.

  Kefen Wang reported crashes in move_freepages() on a system with the
  following memory layout [1]:

	node 0: [mem 0x0000000080a00000-0x00000000855fffff]
	node 0: [mem 0x0000000086a00000-0x0000000087dfffff]
	node 0: [mem 0x000000008bd00000-0x000000008c4fffff]
	node 0: [mem 0x000000008e300000-0x000000008ecfffff]
	node 0: [mem 0x0000000090d00000-0x00000000bfffffff]
	node 0: [mem 0x00000000cc000000-0x00000000dc9fffff]
	node 0: [mem 0x00000000de700000-0x00000000de9fffff]
	node 0: [mem 0x00000000e0800000-0x00000000e0bfffff]
	node 0: [mem 0x00000000f4b00000-0x00000000f6ffffff]
	node 0: [mem 0x00000000fda00000-0x00000000ffffefff]

  These crashes can be mitigated by enabling CONFIG_HOLES_IN_ZONE on ARM
  and essentially turning pfn_valid_within() to pfn_valid() instead of
  having it hardwired to 1 on that architecture, but this would require
  to keep CONFIG_HOLES_IN_ZONE solely for this purpose.

  A cleaner approach is to update ARM's implementation of pfn_valid() to
  take into accounting rounding of the freed memory map to pageblock
  boundaries and make sure it returns true for PFNs that have memory map
  entries even if there is no physical memory backing those PFNs"

Link: https://lore.kernel.org/lkml/2a1592ad-bc9d-4664-fd19-f7448a37edc0@huawei.com [1]

* tag 'memblock-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  arm: extend pfn_valid to take into account freed memory map alignment
  memblock: ensure there is no overflow in memblock_overlaps_region()
  memblock: align freed memory map on pageblock boundaries with SPARSEMEM
  memblock: free_unused_memmap: use pageblock units instead of MAX_ORDER
2021-07-04 12:23:05 -07:00
Linus Torvalds
2bb919b62f s390 updates for the 5.14 merge window
- Rework inline asm to get rid of error prone "register asm" constructs,
   which are problematic especially when code instrumentation is enabled. In
   particular introduce and use register pair union to allocate even/odd
   register pairs. Unfortunately this breaks compatibility with older
   clang compilers and minimum clang version for s390 has been raised to 13.
   https://lore.kernel.org/linux-next/CAK7LNARuSmPCEy-ak0erPrPTgZdGVypBROFhtw+=3spoGoYsyw@mail.gmail.com/
 
 - Fix gcc 11 warnings, which triggered various minor reworks all over
   the code.
 
 - Add zstd kernel image compression support.
 
 - Rework boot CPU lowcore handling.
 
 - De-duplicate and move kernel memory layout setup logic earlier.
 
 - Few fixes in preparation for FORTIFY_SOURCE performing compile-time
   and run-time field bounds checking for mem functions.
 
 - Remove broken and unused power management support leftovers in s390
   drivers.
 
 - Disable stack-protector for decompressor and purgatory to fix buildroot
   build.
 
 - Fix vt220 sclp console name to match the char device name.
 
 - Enable HAVE_IOREMAP_PROT and add zpci_set_irq()/zpci_clear_irq() in
   zPCI code.
 
 - Remove some implausible WARN_ON_ONCEs and remove arch specific counter
   transaction call backs in favour of default transaction handling in
   perf code.
 
 - Extend/add new uevents for online/config/mode state changes of
   AP card / queue device in zcrypt.
 
 - Minor entry and ccwgroup code improvements.
 
 - Other small various fixes and improvements all over the code.
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Merge tag 's390-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Rework inline asm to get rid of error prone "register asm"
   constructs, which are problematic especially when code
   instrumentation is enabled.

   In particular introduce and use register pair union to allocate
   even/odd register pairs. Unfortunately this breaks compatibility with
   older clang compilers and minimum clang version for s390 has been
   raised to 13.

     https://lore.kernel.org/linux-next/CAK7LNARuSmPCEy-ak0erPrPTgZdGVypBROFhtw+=3spoGoYsyw@mail.gmail.com/

 - Fix gcc 11 warnings, which triggered various minor reworks all over
   the code.

 - Add zstd kernel image compression support.

 - Rework boot CPU lowcore handling.

 - De-duplicate and move kernel memory layout setup logic earlier.

 - Few fixes in preparation for FORTIFY_SOURCE performing compile-time
   and run-time field bounds checking for mem functions.

 - Remove broken and unused power management support leftovers in s390
   drivers.

 - Disable stack-protector for decompressor and purgatory to fix
   buildroot build.

 - Fix vt220 sclp console name to match the char device name.

 - Enable HAVE_IOREMAP_PROT and add zpci_set_irq()/zpci_clear_irq() in
   zPCI code.

 - Remove some implausible WARN_ON_ONCEs and remove arch specific
   counter transaction call backs in favour of default transaction
   handling in perf code.

 - Extend/add new uevents for online/config/mode state changes of AP
   card / queue device in zcrypt.

 - Minor entry and ccwgroup code improvements.

 - Other small various fixes and improvements all over the code.

* tag 's390-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (91 commits)
  s390/dasd: use register pair instead of register asm
  s390/qdio: get rid of register asm
  s390/ioasm: use symbolic names for asm operands
  s390/ioasm: get rid of register asm
  s390/cmf: get rid of register asm
  s390/lib,string: get rid of register asm
  s390/lib,uaccess: get rid of register asm
  s390/string: get rid of register asm
  s390/cmpxchg: use register pair instead of register asm
  s390/mm,pages-states: get rid of register asm
  s390/lib,xor: get rid of register asm
  s390/timex: get rid of register asm
  s390/hypfs: use register pair instead of register asm
  s390/zcrypt: Switch to flexible array member
  s390/speculation: Use statically initialized const for instructions
  virtio/s390: get rid of open-coded kvm hypercall
  s390/pci: add zpci_set_irq()/zpci_clear_irq()
  scripts/min-tool-version.sh: Raise minimum clang version to 13.0.0 for s390
  s390/ipl: use register pair instead of register asm
  s390/mem_detect: fix tprot() program check new psw handling
  ...
2021-07-04 12:17:38 -07:00
Linus Torvalds
0d4d4c6ff6 arch/csky patches for 5.14-rc1
Two small cleanup & fixup.
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Merge tag 'csky-for-linus-5.14-rc1' of git://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:
 "A small cleanup and a fixup"

* tag 'csky-for-linus-5.14-rc1' of git://github.com/c-sky/csky-linux:
  csky: Kconfig: Remove unused selects
  csky: syscache: Fixup duplicate cache flush
2021-07-04 12:07:54 -07:00
Linus Torvalds
0c66a95c7e cxl for 5.14
- Add support for the CXL Fixed Memory Window Structure, a recent
   extension of the ACPI CEDT (CXL Early Discovery Table)
 
 - Add infrastructure for component registers
 
 - Add HDM (Host-managed device memory) decoder definitions
 
 - Define a device model for an HDM decoder tree
 
 - Bridge CXL persistent memory capabilities to an NVDIMM bus /
   device-model
 
 - Switch to fine grained mapping of CXL MMIO registers to allow
   different drivers / system software to own individual register blocks
 
 - Enable media provisioning commands, and publish the label storage area
   size in sysfs
 
 - Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "This subsystem is still in the build-out phase as the bulk of the
  update is improvements to enumeration and fleshing out the device
  model. In terms of new features, more mailbox commands have been added
  to the allowed-list in support of persistent memory provisioning
  support targeting v5.15.

  The critical update from an enumeration perspective is support for the
  CXL Fixed Memory Window Structure that indicates to Linux which system
  physical address ranges decode to the CXL Host Bridges in the system.
  This allows the driver to detect which address ranges have been mapped
  by firmware and what address ranges are available for future hotplug.

  So, again, mostly skeleton this round, with more meat targeting v5.15.

  Summary:

   - Add support for the CXL Fixed Memory Window Structure, a recent
     extension of the ACPI CEDT (CXL Early Discovery Table)

   - Add infrastructure for component registers

   - Add HDM (Host-managed device memory) decoder definitions

   - Define a device model for an HDM decoder tree

   - Bridge CXL persistent memory capabilities to an NVDIMM bus /
     device-model

   - Switch to fine grained mapping of CXL MMIO registers to allow
     different drivers / system software to own individual register
     blocks

   - Enable media provisioning commands, and publish the label storage
     area size in sysfs

   - Miscellaneous cleanups and fixes"

* tag 'cxl-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (34 commits)
  cxl/pci: Rename CXL REGLOC ID
  cxl/acpi: Use the ACPI CFMWS to create static decoder objects
  cxl/acpi: Add the Host Bridge base address to CXL port objects
  cxl/pmem: Register 'pmem' / cxl_nvdimm devices
  libnvdimm: Drop unused device power management support
  libnvdimm: Export nvdimm shutdown helper, nvdimm_delete()
  cxl/pmem: Add initial infrastructure for pmem support
  cxl/core: Add cxl-bus driver infrastructure
  cxl/pci: Add media provisioning required commands
  cxl/component_regs: Fix offset
  cxl/hdm: Fix decoder count calculation
  cxl/acpi: Introduce cxl_decoder objects
  cxl/acpi: Enumerate host bridge root ports
  cxl/acpi: Add downstream port data to cxl_port instances
  cxl/Kconfig: Default drivers to CONFIG_CXL_BUS
  cxl/acpi: Introduce the root of a cxl_port topology
  cxl/pci: Fixup devm_cxl_iomap_block() to take a 'struct device *'
  cxl/pci: Add HDM decoder capabilities
  cxl/pci: Reserve individual register block regions
  cxl/pci: Map registers based on capabilities
  ...
2021-07-04 11:55:13 -07:00
Linus Torvalds
855ff900b8 Merge branch 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:

 - core supports now bus regulators controlling power for SCL/SDA

 - quite some DT binding conversions to YAML

 - added a seperate DT binding for the optional SMBus Alert feature

 - documentation with examples how to deal with I2C sysfs files

 - some bigger rework for the i801 driver

 - and a few usual driver updates

* 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (42 commits)
  i2c: ali1535: mention that the device should not be disabled
  i2c: mpc: Restore reread of I2C status register
  i2c: core-smbus: Expose PEC calculate function for generic use
  Documentation: i2c: Add doc for I2C sysfs
  i2c: core: Disable client irq on reboot/shutdown
  dt-bindings: i2c: update bindings for MT8195 SoC
  i2c: imx: Fix some checkpatch warnings
  i2c: davinci: Simplify with dev_err_probe()
  i2c: cadence: Simplify with dev_err_probe()
  i2c: xiic: Simplify with dev_err_probe()
  i2c: cadence: Clear HOLD bit before xfer_size register rolls over
  dt-bindings: i2c: ce4100: Replace "ti,pcf8575" by "nxp,pcf8575"
  i2c: i801: Improve i801_setup_hstcfg
  i2c: i801: Use driver name constant instead of function dev_driver_string
  i2c: i801: Simplify initialization of i2c_board_info in i801_probe_optional_slaves
  i2c: i801: Improve status polling
  i2c: cht-wc: Replace of_node by NULL
  i2c: riic: Add RZ/G2L support
  dt-bindings: i2c: renesas,riic: Document RZ/G2L I2C controller
  dt-bindings: i2c: renesas,iic: Convert to json-schema
  ...
2021-07-04 11:47:18 -07:00
Martin K. Petersen
d2500a0c0e scsi: blkcg: Fix application ID config options
Commit d2bcbeab42 ("scsi: blkcg: Add app identifier support for
blkcg") introduced an FC_APPID config option under SCSI. However, the
added config option is not used anywhere. Simply remove it.

The block layer BLK_CGROUP_FC_APPID config option is what actually
controls whether the application ID code should be built or not. Make
this option dependent on NVMe over FC since that is currently the only
transport which supports the capability.

Fixes: d2bcbeab42 ("scsi: blkcg: Add app identifier support for blkcg")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-04 11:44:22 -07:00
Guo Ren
90dc8c0e66 csky: Kconfig: Remove unused selects
- GENERIC_ALLOCATOR is duplicated
 - Remove USB_ARCH_HAS_OHCI & USB_ARCH_HAS_EHCI, because they
   have been removed from linux.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
2021-07-04 17:39:54 +08:00
Guo Ren
6ea42c84f3 csky: syscache: Fixup duplicate cache flush
The current csky logic of sys_cacheflush is wrong, it'll cause
icache flush call dcache flush again. Now fixup it with a
conditional "break & fallthrough".

Fixes: 997153b9a7 ("csky: Add flush_icache_mm to defer flush icache all")
Fixes: 0679d29d3e ("csky: fix syscache.c fallthrough warning")
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Co-Developed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
2021-07-04 17:39:54 +08:00
Linus Torvalds
303392fd5c This contains quite a lot of fixes, with more fixes in my inbox that
did not make it (sorry).
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Merge tag 'leds-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "This contains quite a lot of fixes, with more fixes in my inbox that
  did not make it (sorry)"

* tag 'leds-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (36 commits)
  leds: lgm: Fix up includes
  leds: ktd2692: Fix an error handling path
  leds: as3645a: Fix error return code in as3645a_parse_node()
  leds: turris-omnia: add missing MODULE_DEVICE_TABLE
  leds: lp55xx: Initialize enable GPIO direction to output
  leds: lm36274: Add missed property.h
  leds: el15203000: Make error handling more robust
  leds: pwm: Make error handling more robust
  leds: lt3593: Make use of device properties
  leds: lp50xx: Put fwnode in error case during ->probe()
  leds: lm3697: Don't spam logs when probe is deferred
  leds: lm3692x: Put fwnode in any case during ->probe()
  leds: lm36274: Correct headers (of*.h -> mod_devicetable.h)
  leds: lm36274: Put fwnode in error case during ->probe()
  leds: lm3532: Make error handling more robust
  leds: lm3532: select regmap I2C API
  leds: lgm-sso: Drop duplicate NULL check for GPIO operations
  leds: lgm-sso: Remove unneeded of_match_ptr()
  leds: lgm-sso: Fix clock handling
  leds: el15203000: Introduce to_el15203000_led() helper
  ...
2021-07-03 11:57:42 -07:00
Linus Torvalds
8e8d9442d1 VFIO update for v5.14-rc1
- Module reference fixes, structure renaming (Max Gurtovoy)
 
  - Export and use common pci_dev_trylock() (Luis Chamberlain)
 
  - Enable direct mdev device creation and probing by parent
    (Christoph Hellwig & Jason Gunthorpe)
 
  - Fix mdpy error path leak (Colin Ian King)
 
  - Fix mtty list entry leak (Jason Gunthorpe)
 
  - Enforce mtty device limit (Alex Williamson)
 
  - Resolve concurrent vfio-pci mmap faults (Alex Williamson)
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Merge tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Module reference fixes, structure renaming (Max Gurtovoy)

 - Export and use common pci_dev_trylock() (Luis Chamberlain)

 - Enable direct mdev device creation and probing by parent (Christoph
   Hellwig & Jason Gunthorpe)

 - Fix mdpy error path leak (Colin Ian King)

 - Fix mtty list entry leak (Jason Gunthorpe)

 - Enforce mtty device limit (Alex Williamson)

 - Resolve concurrent vfio-pci mmap faults (Alex Williamson)

* tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio:
  vfio/pci: Handle concurrent vma faults
  vfio/mtty: Enforce available_instances
  vfio/mtty: Delete mdev_devices_list
  vfio: use the new pci_dev_trylock() helper to simplify try lock
  PCI: Export pci_dev_trylock() and pci_dev_unlock()
  vfio/mdpy: Fix memory leak of object mdev_state->vconfig
  vfio/iommu_type1: rename vfio_group struck to vfio_iommu_group
  vfio/mbochs: Convert to use vfio_register_group_dev()
  vfio/mdpy: Convert to use vfio_register_group_dev()
  vfio/mtty: Convert to use vfio_register_group_dev()
  vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind
  vfio/mdev: Remove CONFIG_VFIO_MDEV_DEVICE
  driver core: Export device_driver_attach()
  driver core: Don't return EPROBE_DEFER to userspace during sysfs bind
  driver core: Flow the return code from ->probe() through to sysfs bind
  driver core: Better distinguish probe errors in really_probe
  driver core: Pull required checks into driver_probe_device()
  vfio/platform: remove unneeded parent_module attribute
  vfio: centralize module refcount in subsystem layer
2021-07-03 11:49:33 -07:00
Linus Torvalds
58ec9059b3 Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs name lookup updates from Al Viro:
 "Small namei.c patch series, mostly to simplify the rules for nameidata
  state. It's actually from the previous cycle - but I didn't post it
  for review in time...

  Changes visible outside of fs/namei.c: file_open_root() calling
  conventions change, some freed bits in LOOKUP_... space"

* 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  namei: make sure nd->depth is always valid
  teach set_nameidata() to handle setting the root as well
  take LOOKUP_{ROOT,ROOT_GRABBED,JUMPED} out of LOOKUP_... space
  switch file_open_root() to struct path
2021-07-03 11:41:14 -07:00
Linus Torvalds
d3acb15a3a Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull iov_iter updates from Al Viro:
 "iov_iter cleanups and fixes.

  There are followups, but this is what had sat in -next this cycle. IMO
  the macro forest in there became much thinner and easier to follow..."

* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (37 commits)
  csum_and_copy_to_pipe_iter(): leave handling of csum_state to caller
  clean up copy_mc_pipe_to_iter()
  pipe_zero(): we don't need no stinkin' kmap_atomic()...
  iov_iter: clean csum_and_copy_...() primitives up a bit
  copy_page_from_iter(): don't need kmap_atomic() for kvec/bvec cases
  copy_page_to_iter(): don't bother with kmap_atomic() for bvec/kvec cases
  iterate_xarray(): only of the first iteration we might get offset != 0
  pull handling of ->iov_offset into iterate_{iovec,bvec,xarray}
  iov_iter: make iterator callbacks use base and len instead of iovec
  iov_iter: make the amount already copied available to iterator callbacks
  iov_iter: get rid of separate bvec and xarray callbacks
  iov_iter: teach iterate_{bvec,xarray}() about possible short copies
  iterate_bvec(): expand bvec.h macro forest, massage a bit
  iov_iter: unify iterate_iovec and iterate_kvec
  iov_iter: massage iterate_iovec and iterate_kvec to logics similar to iterate_bvec
  iterate_and_advance(): get rid of magic in case when n is 0
  csum_and_copy_to_iter(): massage into form closer to csum_and_copy_from_iter()
  iov_iter: replace iov_iter_copy_from_user_atomic() with iterator-advancing variant
  [xarray] iov_iter_npages(): just use DIV_ROUND_UP()
  iov_iter_npages(): don't bother with iterate_all_kinds()
  ...
2021-07-03 11:30:04 -07:00
Linus Torvalds
f92a322a63 Merge branch 'work.d_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs d_path() updates from Al Viro:
 "d_path.c refactoring"

* 'work.d_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  getcwd(2): clean up error handling
  d_path: prepend_path() is unlikely to return non-zero
  d_path: prepend_path(): lift the inner loop into a new helper
  d_path: prepend_path(): lift resetting b in case when we'd return 3 out of loop
  d_path: prepend_path(): get rid of vfsmnt
  d_path: introduce struct prepend_buffer
  d_path: make prepend_name() boolean
  d_path: lift -ENAMETOOLONG handling into callers of prepend_path()
  d_path: don't bother with return value of prepend()
  getcwd(2): saner logics around prepend_path() call
  d_path: get rid of path_with_deleted()
  d_path: regularize handling of root dentry in __dentry_path()
  d_path: saner calling conventions for __dentry_path()
  d_path: "\0" is {0,0}, not {0}
2021-07-03 11:23:40 -07:00
Linus Torvalds
757fa80f4e Tracing updates for 5.14:
- Added option for per CPU threads to the hwlat tracer
 
  - Have hwlat tracer handle hotplug CPUs
 
  - New tracer: osnoise, that detects latency caused by interrupts, softirqs
    and scheduling of other tasks.
 
  - Added timerlat tracer that creates a thread and measures in detail what
    sources of latency it has for wake ups.
 
  - Removed the "success" field of the sched_wakeup trace event.
    This has been hardcoded as "1" since 2015, no tooling should be looking
    at it now. If one exists, we can revert this commit, fix that tool and
    try to remove it again in the future.
 
  - tgid mapping fixed to handle more than PID_MAX_DEFAULT pids/tgids.
 
  - New boot command line option "tp_printk_stop", as tp_printk causes trace
    events to write to console. When user space starts, this can easily live
    lock the system. Having a boot option to stop just after boot up is
    useful to prevent that from happening.
 
  - Have ftrace_dump_on_oops boot command line option take numbers that match
    the numbers shown in /proc/sys/kernel/ftrace_dump_on_oops.
 
  - Bootconfig clean ups, fixes and enhancements.
 
  - New ktest script that tests bootconfig options.
 
  - Add tracepoint_probe_register_may_exist() to register a tracepoint
    without triggering a WARN*() if it already exists. BPF has a path from
    user space that can do this. All other paths are considered a bug.
 
  - Small clean ups and fixes
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Merge tag 'trace-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - Added option for per CPU threads to the hwlat tracer

 - Have hwlat tracer handle hotplug CPUs

 - New tracer: osnoise, that detects latency caused by interrupts,
   softirqs and scheduling of other tasks.

 - Added timerlat tracer that creates a thread and measures in detail
   what sources of latency it has for wake ups.

 - Removed the "success" field of the sched_wakeup trace event. This has
   been hardcoded as "1" since 2015, no tooling should be looking at it
   now. If one exists, we can revert this commit, fix that tool and try
   to remove it again in the future.

 - tgid mapping fixed to handle more than PID_MAX_DEFAULT pids/tgids.

 - New boot command line option "tp_printk_stop", as tp_printk causes
   trace events to write to console. When user space starts, this can
   easily live lock the system. Having a boot option to stop just after
   boot up is useful to prevent that from happening.

 - Have ftrace_dump_on_oops boot command line option take numbers that
   match the numbers shown in /proc/sys/kernel/ftrace_dump_on_oops.

 - Bootconfig clean ups, fixes and enhancements.

 - New ktest script that tests bootconfig options.

 - Add tracepoint_probe_register_may_exist() to register a tracepoint
   without triggering a WARN*() if it already exists. BPF has a path
   from user space that can do this. All other paths are considered a
   bug.

 - Small clean ups and fixes

* tag 'trace-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (49 commits)
  tracing: Resize tgid_map to pid_max, not PID_MAX_DEFAULT
  tracing: Simplify & fix saved_tgids logic
  treewide: Add missing semicolons to __assign_str uses
  tracing: Change variable type as bool for clean-up
  trace/timerlat: Fix indentation on timerlat_main()
  trace/osnoise: Make 'noise' variable s64 in run_osnoise()
  tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing
  tracing: Fix spelling in osnoise tracer "interferences" -> "interference"
  Documentation: Fix a typo on trace/osnoise-tracer
  trace/osnoise: Fix return value on osnoise_init_hotplug_support
  trace/osnoise: Make interval u64 on osnoise_main
  trace/osnoise: Fix 'no previous prototype' warnings
  tracing: Have osnoise_main() add a quiescent state for task rcu
  seq_buf: Make trace_seq_putmem_hex() support data longer than 8
  seq_buf: Fix overflow in seq_buf_putmem_hex()
  trace/osnoise: Support hotplug operations
  trace/hwlat: Support hotplug operations
  trace/hwlat: Protect kdata->kthread with get/put_online_cpus
  trace: Add timerlat tracer
  trace: Add osnoise tracer
  ...
2021-07-03 11:13:22 -07:00
Linus Torvalds
a70bb580bf Devicetree updates for v5.14:
- Refine reserved memory nomap handling
 
 - Merge some PCI and non-PCI address handling implementations
 
 - Simplify of_address.h header ifdefs
 
 - Improve printk handling of some 64-bit types
 
 - Convert Arm ccree, Zynq FPGA, ZynqMP RTC, Arm VIC, adi,adv7511, TI
   AM56 PCI, Aspeed I2C, arm,sbsa-gwdt, MTD physmap, virtio-mmio, Arm
   SCMI, Arm/Amlogic SCPI, TI OMAP mailbox, NXP pcf8563/pcf85263/pcf85363,
   Mediatek RNG, Arm SCU, Arm TWD timer, Broadcom iProc PWM, Renesas TPU,
   Tegra20 EMC, MDIO GPIO, renesas,r9a06g032-sysctrl, renesas,emev2-smu,
   sysc-rmobile, linaro,optee-tz, and TI SCI bindings to DT schema
 
 - Convert mux and mux controller bindings to schema. This includes MDIO
   IIO, and I2C muxes.
 
 - Add Arm PL031 RTC binding schema
 
 - Add vendor prefixes for StarFive Technology Co. Ltd. and Insignal Ltd
 
 - Fix some stale doc references
 
 - Remove stale property-units.txt. Superseded by schema in dt-schema
   repo.
 
 - Fixes for 'unevaluatedProperties' handling (enabled with experimental
   json-schema support)
 
 - Drop redundant usage of minItems and maxItems across the tree
 
 - Update some examples to use bindings with a schema
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Merge tag 'devicetree-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refine reserved memory nomap handling

 - Merge some PCI and non-PCI address handling implementations

 - Simplify of_address.h header ifdefs

 - Improve printk handling of some 64-bit types

 - Convert adi,adv7511, Arm ccree, Arm SCMI, Arm SCU, Arm TWD timer, Arm
   VIC, arm,sbsa-gwdt, Arm/Amlogic SCPI, Aspeed I2C, Broadcom iProc PWM,
   linaro,optee-tz, MDIO GPIO, Mediatek RNG, MTD physmap, NXP
   pcf8563/pcf85263/pcf85363, Renesas TPU, renesas,emev2-smu,
   renesas,r9a06g032-sysctrl, sysc-rmobile, Tegra20 EMC, TI AM56 PCI, TI
   OMAP mailbox, TI SCI bindings, virtio-mmio, Zynq FPGA, and ZynqMP RTC
   to DT schema

 - Convert mux and mux controller bindings to schema. This includes MDIO
   IIO, and I2C muxes.

 - Add Arm PL031 RTC binding schema

 - Add vendor prefixes for StarFive Technology Co. Ltd. and Insignal Ltd

 - Fix some stale doc references

 - Remove stale property-units.txt. Superseded by schema in dt-schema
   repo.

 - Fixes for 'unevaluatedProperties' handling (enabled with experimental
   json-schema support)

 - Drop redundant usage of minItems and maxItems across the tree

 - Update some examples to use bindings with a schema

* tag 'devicetree-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (83 commits)
  dt-bindings: Fix 'unevaluatedProperties' errors in DT graph users
  dt-bindings: display: renesas,du: Fix 'ports' reference
  dt-bindings: media: adv7180: Add missing video-interfaces.yaml reference
  dt-bindings: crypto: ccree: Convert to json-schema
  dt-bindings: fpga: zynq: convert bindings to YAML
  dt-bindings: rtc: zynqmp: convert bindings to YAML
  dt-bindings: interrupt-controller: Convert ARM VIC to json-schema
  of: of_reserved_mem: mark nomap memory instead of removing
  of: of_reserved_mem: only call memblock_free for normal reserved memory
  dt-bindings: Drop redundant minItems/maxItems
  dt-bindings: spmi: Correct 'reg' schema
  of: reserved-memory: Add stub for RESERVEDMEM_OF_DECLARE()
  dt-bindings: clk: vc5: Fix example
  dt-bindings: timer: renesas,tmu: add r8a779a0 TMU support
  dt-bindings: drm: bridge: adi,adv7511.txt: convert to yaml
  dt-bindings: PCI: ti,am65: Convert PCIe host/endpoint mode dt-bindings to YAML
  of: Remove superfluous casts when printing u64 values
  of: Fix truncation of memory sizes on 32-bit platforms
  dt-bindings: rtc: nxp,pcf8563: Absorb pcf85263/pcf85363 bindings
  dt-bindings: pwm: Use examples with documented/matching schema
  ...
2021-07-03 10:54:08 -07:00
Linus Torvalds
4b820e167b Revert "ALSA: usb-audio: Reduce latency at playback start"
This reverts commit 9ce650a75a.

This commit causes watchdog lockups on my machine, and while I have no
idea what the cause is, it bisected right to this commit, and reverting
the change promptly fixes it.

At least occasionally one of the watchdog call traces was

  Call Trace:
    _raw_spin_lock_irqsave+0x35/0x40
    snd_pcm_period_elapsed+0x1b/0xa0 [snd_pcm]
    snd_usb_endpoint_start+0x1a0/0x3c0 [snd_usb_audio]
    start_endpoints+0x23/0x90 [snd_usb_audio]
    snd_usb_substream_playback_trigger+0x7b/0x1a0 [snd_usb_audio]
    snd_pcm_common_ioctl+0x1c44/0x2360 [snd_pcm]
    snd_pcm_ioctl+0x2e/0x40 [snd_pcm]
    __se_sys_ioctl+0x72/0xc0
    do_syscall_64+0x4c/0xa0
    entry_SYSCALL_64_after_hwframe+0x44/0xae

so presumably it's a locking error on that substream spinlock that
snd_pcm_period_elapsed() takes.  But at this point I just want to have a
working system so that I can continue the merge window work tomorrow.

Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-02 22:05:52 -07:00
Linus Torvalds
d6b63b5b7d sound updates for 5.14
As the diffstat scatters over the tree, we've got many tree-wide
 small changes, but also got quite a few intrusive changes in the
 core side.  The only ABI-visible core change is the new rawmidi
 framing mode support while others are kernel-internal, mostly code
 refactoring and/or nice improvements.
 
 Here are some highlights:
 
 Core:
 - A new framing access mode for rawmidi to get timestamps
 - Cleanup / refactoring of buffer memory management helper code
 - Support for automatic negotiation of ASoC DAI formats
 - Revival of software suspend for PCM and control core, as a
   preliminary work for PCI BAR rescan support
 
 ASoC:
 - Accessory detection support for several Qualcomm parts
 - Support for IEC958 control with hdmi-codec
 - Merging of Tegra machine drivers into a single driver
 - Support for AmLogic SM1 TOACODEC, Intel AlderLake-M, several NXP
   i.MX8 variants, NXP TFA1 and TDF9897, Rockchip RK817, Qualcomm
   Quinary MI2S, Texas Instruments TAS2505
 
 USB-audio:
 - Reduction of latency at playback start
 - Code cleanup / fixes of usx2y driver
 - Scarlett2 mixer code fixes and enhancements
 - Quirks for Ozone and Denon devices
 
 HD-audio:
 - A few quirks for HP and ASUS machines
 - Display power management fixes
 
 Others:
 - FireWire code refactoring and enhancements
 - Tree-wide trivial coding-style fixes
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Merge tag 'sound-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "As the diffstat scatters over the tree, we've got many tree-wide small
  changes, but also got quite a few intrusive changes in the core side.
  The only ABI-visible core change is the new rawmidi framing mode
  support while others are kernel-internal, mostly code refactoring
  and/or nice improvements.

  Here are some highlights:

  Core:
   - A new framing access mode for rawmidi to get timestamps
   - Cleanup / refactoring of buffer memory management helper code
   - Support for automatic negotiation of ASoC DAI formats
   - Revival of software suspend for PCM and control core, as a
     preliminary work for PCI BAR rescan support

  ASoC:
   - Accessory detection support for several Qualcomm parts
   - Support for IEC958 control with hdmi-codec
   - Merging of Tegra machine drivers into a single driver
   - Support for AmLogic SM1 TOACODEC, Intel AlderLake-M, several NXP
     i.MX8 variants, NXP TFA1 and TDF9897, Rockchip RK817, Qualcomm
     Quinary MI2S, Texas Instruments TAS2505

  USB-audio:
   - Reduction of latency at playback start
   - Code cleanup / fixes of usx2y driver
   - Scarlett2 mixer code fixes and enhancements
   - Quirks for Ozone and Denon devices

  HD-audio:
   - A few quirks for HP and ASUS machines
   - Display power management fixes

  Others:
   - FireWire code refactoring and enhancements
   - Tree-wide trivial coding-style fixes"

* tag 'sound-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (594 commits)
  ALSA: usb-audio: scarlett2: Fix for loop increment in scarlett2_usb_get_config
  ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 630 G8
  ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 445 G8
  ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 450 G8
  ALSA: hda/realtek - Add ALC285 HP init procedure
  ALSA: hda/realtek - Add type for ALC287
  ALSA: scarlett2: Fix scarlett2_*_ctl_put() return values again
  ALSA: scarlett2: Fix pad count for 18i8 Gen 3
  ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 830 G8 Notebook PC
  ALSA: firewire-lib: Fix 'amdtp_domain_start()' when no AMDTP_OUT_STREAM stream is found
  ASoC: qcom: lpass-cpu: mark IRQ_CLEAR register as volatile and readable
  ALSA: hda: Release codec display power during shutdown/reboot
  ALSA: hda: Release controller display power during shutdown/reboot
  ALSA: hda/realtek: Apply LED fixup for HP Dragonfly G1, too
  ASoC: fsl: remove unnecessary oom message
  ASoC: tlv320aic32x4: dt-bindings: add TAS2505 to compatible
  ASoC: tlv320aic32x4: add support for TAS2505
  ASoC: tlv320aic32x4: add type to device private data struct
  ASoC: tegra30: ahub: Use devm_platform_get_and_ioremap_resource()
  ASoC: tegra: tegra210_admaif: Use devm_platform_get_and_ioremap_resource()
  ...
2021-07-02 15:25:23 -07:00
Linus Torvalds
bd31b9efbf SCSI misc on 20210702
This series consists of the usual driver updates (ufs, ibmvfc,
 megaraid_sas, lpfc, elx, mpi3mr, qedi, iscsi, storvsc, mpt3sas) with
 elx and mpi3mr being new drivers.  The major core change is a rework
 to drop the status byte handling macros and the old bit shifted
 definitions and the rest of the updates are minor fixes.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (ufs, ibmvfc,
  megaraid_sas, lpfc, elx, mpi3mr, qedi, iscsi, storvsc, mpt3sas) with
  elx and mpi3mr being new drivers.

  The major core change is a rework to drop the status byte handling
  macros and the old bit shifted definitions and the rest of the updates
  are minor fixes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (287 commits)
  scsi: aha1740: Avoid over-read of sense buffer
  scsi: arcmsr: Avoid over-read of sense buffer
  scsi: ips: Avoid over-read of sense buffer
  scsi: ufs: ufs-mediatek: Add missing of_node_put() in ufs_mtk_probe()
  scsi: elx: libefc: Fix IRQ restore in efc_domain_dispatch_frame()
  scsi: elx: libefc: Fix less than zero comparison of a unsigned int
  scsi: elx: efct: Fix pointer error checking in debugfs init
  scsi: elx: efct: Fix is_originator return code type
  scsi: elx: efct: Fix link error for _bad_cmpxchg
  scsi: elx: efct: Eliminate unnecessary boolean check in efct_hw_command_cancel()
  scsi: elx: efct: Do not use id uninitialized in efct_lio_setup_session()
  scsi: elx: efct: Fix error handling in efct_hw_init()
  scsi: elx: efct: Remove redundant initialization of variable lun
  scsi: elx: efct: Fix spelling mistake "Unexected" -> "Unexpected"
  scsi: lpfc: Fix build error in lpfc_scsi.c
  scsi: target: iscsi: Remove redundant continue statement
  scsi: qla4xxx: Remove redundant continue statement
  scsi: ppa: Switch to use module_parport_driver()
  scsi: imm: Switch to use module_parport_driver()
  scsi: mpt3sas: Fix error return value in _scsih_expander_add()
  ...
2021-07-02 15:14:36 -07:00
Linus Torvalds
9f7b640f00 New code for 5.14:
- Refactor the buffer cache to use bulk page allocation
 - Convert agnumber-based AG iteration to walk per-AG structures
 - Clean up some unit conversions and other code warts
 - Reduce spinlock contention in the directio fastpath
 - Collapse all the inode cache walks into a single function
 - Remove indirect function calls from the inode cache walk code
 - Dramatically reduce the number of cache flushes sent when writing log
   buffers
 - Preserve inode sickness reports for longer
 - Rename xfs_eofblocks since it controls inode cache walks
 - Refactor the extended attribute code to prepare it for the addition
   of log intent items to make xattrs fully transactional
 - A few fixes to earlier large patchsets
 - Log recovery fixes so that we don't accidentally mark the log clean
   when log intent recovery fails
 - Fix some latent SOB errors
 - Clean up shutdown messages that get logged to dmesg
 - Fix a regression in the online shrink code
 - Fix a UAF in the buffer logging code if the fs goes offline
 - Fix uninitialized error variables
 - Fix a UAF in the CIL when commited log item callbacks race with a
   shutdown
 - Fix a bug where the CIL could hang trying to push part of the log ring
   buffer that hasn't been filled yet
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Merge tag 'xfs-5.14-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Darrick Wong:
 "Most of the work this cycle has been on refactoring various parts of
  the codebase. The biggest non-cleanup changes are (1) reducing the
  number of cache flushes sent when writing the log; (2) a substantial
  number of log recovery fixes; and (3) I started accepting pull
  requests from contributors if the commits in their branches match
  what's been sent to the list.

  For a week or so I /had/ staged a major cleanup of the logging code
  from Dave Chinner, but it exposed so many lurking bugs in other parts
  of the logging and log recovery code that I decided to defer that
  patchset until we can address those latent bugs.

  Larger cleanups this time include walking the incore inode cache (me)
  and rework of the extended attribute code (Allison) to prepare it for
  adding logged xattr updates (and directory tree parent pointers) in
  future releases.

  Summary:

   - Refactor the buffer cache to use bulk page allocation

   - Convert agnumber-based AG iteration to walk per-AG structures

   - Clean up some unit conversions and other code warts

   - Reduce spinlock contention in the directio fastpath

   - Collapse all the inode cache walks into a single function

   - Remove indirect function calls from the inode cache walk code

   - Dramatically reduce the number of cache flushes sent when writing
     log buffers

   - Preserve inode sickness reports for longer

   - Rename xfs_eofblocks since it controls inode cache walks

   - Refactor the extended attribute code to prepare it for the addition
     of log intent items to make xattrs fully transactional

   - A few fixes to earlier large patchsets

   - Log recovery fixes so that we don't accidentally mark the log clean
     when log intent recovery fails

   - Fix some latent SOB errors

   - Clean up shutdown messages that get logged to dmesg

   - Fix a regression in the online shrink code

   - Fix a UAF in the buffer logging code if the fs goes offline

   - Fix uninitialized error variables

   - Fix a UAF in the CIL when commited log item callbacks race with a
     shutdown

   - Fix a bug where the CIL could hang trying to push part of the log
     ring buffer that hasn't been filled yet"

* tag 'xfs-5.14-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (102 commits)
  xfs: don't wait on future iclogs when pushing the CIL
  xfs: Fix a CIL UAF by getting get rid of the iclog callback lock
  xfs: remove callback dequeue loop from xlog_state_do_iclog_callbacks
  xfs: don't nest icloglock inside ic_callback_lock
  xfs: Initialize error in xfs_attr_remove_iter
  xfs: fix endianness issue in xfs_ag_shrink_space
  xfs: remove dead stale buf unpin handling code
  xfs: hold buffer across unpin and potential shutdown processing
  xfs: force the log offline when log intent item recovery fails
  xfs: fix log intent recovery ENOSPC shutdowns when inactivating inodes
  xfs: shorten the shutdown messages to a single line
  xfs: print name of function causing fs shutdown instead of hex pointer
  xfs: fix type mismatches in the inode reclaim functions
  xfs: separate primary inode selection criteria in xfs_iget_cache_hit
  xfs: refactor the inode recycling code
  xfs: add iclog state trace events
  xfs: xfs_log_force_lsn isn't passed a LSN
  xfs: Fix CIL throttle hang when CIL space used going backwards
  xfs: journal IO cache flush reductions
  xfs: remove need_start_rec parameter from xlog_write()
  ...
2021-07-02 14:30:27 -07:00
Linus Torvalds
e4aa67b023 JFS fixes for 5.14
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Merge tag 'jfs-5.14' of git://github.com/kleikamp/linux-shaggy

Pull jfs updates from David Kleikamp:
 "JFS fixes for 5.14"

* tag 'jfs-5.14' of git://github.com/kleikamp/linux-shaggy:
  jfs: Avoid field-overflowing memcpy()
  jfs: remove unnecessary oom message
  jfs: fix GPF in diFree
  fs/jfs: Fix missing error code in lmLogInit()
  jfs: Remove trailing semicolon in macros
  fs: Fix typo issue
2021-07-02 14:25:17 -07:00
Linus Torvalds
ced4cca754 configfs updates for Linux 5.13
- fix a memleak in configfs_release_bin_file (Chung-Chiang Cheng)
  - implement the .read_iter and .write_iter (Bart Van Assche)
  - minor cleanups (Bart Van Assche, me)
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Merge tag 'configfs-5.13' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:

 - fix a memleak in configfs_release_bin_file (Chung-Chiang Cheng)

 - implement the .read_iter and .write_iter (Bart Van Assche)

 - minor cleanups (Bart Van Assche, me)

* tag 'configfs-5.13' of git://git.infradead.org/users/hch/configfs:
  configfs: simplify configfs_release_bin_file
  configfs: fix memleak in configfs_release_bin_file
  configfs: implement the .read_iter and .write_iter methods
  configfs: drop pointless kerneldoc comments
  configfs: fix the kerneldoc comment for configfs_create_bin_file
2021-07-02 14:13:21 -07:00
Linus Torvalds
e72b069609 dma-mapping updates for Linux 5.14
- a trivivial whitespace fix (Zhen Lei)
  - report -EEXIST errors in add_dma_entry (Hamza Mahfooz)
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Merge tag 'dma-mapping-5.14' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - a trivivial whitespace fix (Zhen Lei)

 - report -EEXIST errors in add_dma_entry (Hamza Mahfooz)

* tag 'dma-mapping-5.14' of git://git.infradead.org/users/hch/dma-mapping:
  dma-debug: report -EEXIST errors in add_dma_entry
  dma-mapping: remove a trailing space
2021-07-02 13:31:08 -07:00
Linus Torvalds
cd3eb7efaa IOMMU Updates for Linux v5.14
Including:
 
  - SMMU Updates from Will Deacon:
 
      - SMMUv3: Support stalling faults for platform devices
      - SMMUv3: Decrease defaults sizes for the event and PRI queues
      - SMMUv2: Support for a new '->probe_finalize' hook, needed by Nvidia
      - SMMUv2: Even more Qualcomm compatible strings
      - SMMUv2: Avoid Adreno TTBR1 quirk for DB820C platform
 
  - Intel VT-d updates from Lu Baolu:
 
      - Convert Intel IOMMU to use sva_lib helpers in iommu core
      - ftrace and debugfs supports for page fault handling
      - Support asynchronous nested capabilities
      - Various misc cleanups
 
  - Support for new VIOT ACPI table to make the VirtIO IOMMU:
    available on x86
 
  - Add the amd_iommu=force_enable command line option to
    enable the IOMMU on platforms where they are known to cause
    problems
 
  - Support for version 2 of the Rockchip IOMMU
 
  - Various smaller fixes, cleanups and refactorings
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Merge tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - SMMU Updates from Will Deacon:

     - SMMUv3:
        - Support stalling faults for platform devices
        - Decrease defaults sizes for the event and PRI queues
     - SMMUv2:
        - Support for a new '->probe_finalize' hook, needed by Nvidia
        - Even more Qualcomm compatible strings
        - Avoid Adreno TTBR1 quirk for DB820C platform

 - Intel VT-d updates from Lu Baolu:

     - Convert Intel IOMMU to use sva_lib helpers in iommu core
     - ftrace and debugfs supports for page fault handling
     - Support asynchronous nested capabilities
     - Various misc cleanups

 - Support for new VIOT ACPI table to make the VirtIO IOMMU
   available on x86

 - Add the amd_iommu=force_enable command line option to enable
   the IOMMU on platforms where they are known to cause problems

 - Support for version 2 of the Rockchip IOMMU

 - Various smaller fixes, cleanups and refactorings

* tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
  iommu/virtio: Enable x86 support
  iommu/dma: Pass address limit rather than size to iommu_setup_dma_ops()
  ACPI: Add driver for the VIOT table
  ACPI: Move IOMMU setup code out of IORT
  ACPI: arm64: Move DMA setup operations out of IORT
  iommu/vt-d: Fix dereference of pointer info before it is null checked
  iommu: Update "iommu.strict" documentation
  iommu/arm-smmu: Check smmu->impl pointer before dereferencing
  iommu/arm-smmu-v3: Remove unnecessary oom message
  iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation
  iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
  iommu/vt-d: Fix linker error on 32-bit
  iommu/vt-d: No need to typecast
  iommu/vt-d: Define counter explicitly as unsigned int
  iommu/vt-d: Remove unnecessary braces
  iommu/vt-d: Removed unused iommu_count in dmar domain
  iommu/vt-d: Use bitfields for DMAR capabilities
  iommu/vt-d: Use DEVICE_ATTR_RO macro
  iommu/vt-d: Fix out-bounds-warning in intel/svm.c
  iommu/vt-d: Add PRQ handling latency sampling
  ...
2021-07-02 13:22:47 -07:00
Linus Torvalds
35e43538af linux-kselftest-next-5.14-rc1
This Kselftest update for Linux 5.14-rc1 consists of fixes to
 existing tests and framework:
 
 -- migrate sgx test to kselftest harness
 -- add new test cases to sgx test
 -- ftrace test fix event-no-pid on 1-core machine
 -- splice test adjust for handler fallback removal
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Merge tag 'linux-kselftest-next-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest update from Shuah Khan:
 "Fixes to existing tests and framework:

   - migrate sgx test to kselftest harness

   - add new test cases to sgx test

   - ftrace test fix event-no-pid on 1-core machine

   - splice test adjust for handler fallback removal"

* tag 'linux-kselftest-next-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/sgx: remove checks for file execute permissions
  selftests/ftrace: fix event-no-pid on 1-core machine
  selftests/sgx: Refine the test enclave to have storage
  selftests/sgx: Add EXPECT_EEXIT() macro
  selftests/sgx: Dump enclave memory map
  selftests/sgx: Migrate to kselftest harness
  selftests/sgx: Rename 'eenter' and 'sgx_call_vdso'
  selftests: timers: rtcpie: skip test if default RTC device does not exist
  selftests: lib.mk: Also install "config" and "settings"
  selftests: splice: Adjust for handler fallback removal
  selftests/tls: Add {} to avoid static checker warning
  selftests/resctrl: Fix incorrect parsing of option "-t"
2021-07-02 13:09:15 -07:00
Linus Torvalds
a48ad6e7a3 linux-kselftest-kunit-fixes-5.14-rc1
This KUnit update for Linux 5.14-rc1 consists of fixes and features:
 
 -- add support for skipped tests
 -- introduce kunit_kmalloc_array/kunit_kcalloc() helpers
 -- add gnu_printf specifiers
 -- add kunit_shutdown
 -- add unit test for filtering suites by names
 -- convert lib/test_list_sort.c to use KUnit
 -- code organization moving default config to tools/testing/kunit
 -- refactor of internal parser input handling
 -- cleanups and updates to documentation
 -- code cleanup related to casts
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Merge tag 'linux-kselftest-kunit-fixes-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit update from Shuah Khan:
 "Fixes and features:

   - add support for skipped tests

   - introduce kunit_kmalloc_array/kunit_kcalloc() helpers

   - add gnu_printf specifiers

   - add kunit_shutdown

   - add unit test for filtering suites by names

   - convert lib/test_list_sort.c to use KUnit

   - code organization moving default config to tools/testing/kunit

   - refactor of internal parser input handling

   - cleanups and updates to documentation

   - code cleanup related to casts"

* tag 'linux-kselftest-kunit-fixes-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
  kunit: add unit test for filtering suites by names
  kasan: test: make use of kunit_skip()
  kunit: test: Add example tests which are always skipped
  kunit: tool: Support skipped tests in kunit_tool
  kunit: Support skipped tests
  thunderbolt: test: Reinstate a few casts of bitfields
  kunit: tool: internal refactor of parser input handling
  lib/test: convert lib/test_list_sort.c to use KUnit
  kunit: introduce kunit_kmalloc_array/kunit_kcalloc() helpers
  kunit: Remove the unused all_tests.config
  kunit: Move default config from arch/um -> tools/testing/kunit
  kunit: arch/um/configs: Enable KUNIT_ALL_TESTS by default
  kunit: Add gnu_printf specifiers
  lib/cmdline_kunit: Remove a cast which are no-longer required
  kernel/sysctl-test: Remove some casts which are no-longer required
  thunderbolt: test: Remove some casts which are no longer required
  mmc: sdhci-of-aspeed: Remove some unnecessary casts from KUnit tests
  iio: Remove a cast in iio-test-format which is no longer required
  device property: Remove some casts in property-entry-test
  Documentation: kunit: Clean up some string casts in examples
  ...
2021-07-02 12:58:26 -07:00
Linus Torvalds
019b3fd94b powerpc updates for 5.14
- A big series refactoring parts of our KVM code, and converting some to C.
 
  - Support for ARCH_HAS_SET_MEMORY, and ARCH_HAS_STRICT_MODULE_RWX on some CPUs.
 
  - Support for the Microwatt soft-core.
 
  - Optimisations to our interrupt return path on 64-bit.
 
  - Support for userspace access to the NX GZIP accelerator on PowerVM on Power10.
 
  - Enable KUAP and KUEP by default on 32-bit Book3S CPUs.
 
  - Other smaller features, fixes & cleanups.
 
 Thanks to: Andy Shevchenko, Aneesh Kumar K.V, Arnd Bergmann, Athira Rajeev, Baokun Li,
 Benjamin Herrenschmidt, Bharata B Rao, Christophe Leroy, Daniel Axtens, Daniel Henrique
 Barboza, Finn Thain, Geoff Levand, Haren Myneni, Jason Wang, Jiapeng Chong, Joel Stanley,
 Jordan Niethe, Kajol Jain, Nathan Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas
 Piggin, Nick Desaulniers, Paul Mackerras, Russell Currey, Sathvika Vasireddy, Shaokun
 Zhang, Stephen Rothwell, Sudeep Holla, Suraj Jitindar Singh, Tom Rix, Vaibhav Jain,
 YueHaibing, Zhang Jianhua, Zhen Lei.
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Merge tag 'powerpc-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - A big series refactoring parts of our KVM code, and converting some
   to C.

 - Support for ARCH_HAS_SET_MEMORY, and ARCH_HAS_STRICT_MODULE_RWX on
   some CPUs.

 - Support for the Microwatt soft-core.

 - Optimisations to our interrupt return path on 64-bit.

 - Support for userspace access to the NX GZIP accelerator on PowerVM on
   Power10.

 - Enable KUAP and KUEP by default on 32-bit Book3S CPUs.

 - Other smaller features, fixes & cleanups.

Thanks to: Andy Shevchenko, Aneesh Kumar K.V, Arnd Bergmann, Athira
Rajeev, Baokun Li, Benjamin Herrenschmidt, Bharata B Rao, Christophe
Leroy, Daniel Axtens, Daniel Henrique Barboza, Finn Thain, Geoff Levand,
Haren Myneni, Jason Wang, Jiapeng Chong, Joel Stanley, Jordan Niethe,
Kajol Jain, Nathan Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas
Piggin, Nick Desaulniers, Paul Mackerras, Russell Currey, Sathvika
Vasireddy, Shaokun Zhang, Stephen Rothwell, Sudeep Holla, Suraj Jitindar
Singh, Tom Rix, Vaibhav Jain, YueHaibing, Zhang Jianhua, and Zhen Lei.

* tag 'powerpc-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (218 commits)
  powerpc: Only build restart_table.c for 64s
  powerpc/64s: move ret_from_fork etc above __end_soft_masked
  powerpc/64s/interrupt: clean up interrupt return labels
  powerpc/64/interrupt: add missing kprobe annotations on interrupt exit symbols
  powerpc/64: enable MSR[EE] in irq replay pt_regs
  powerpc/64s/interrupt: preserve regs->softe for NMI interrupts
  powerpc/64s: add a table of implicit soft-masked addresses
  powerpc/64e: remove implicit soft-masking and interrupt exit restart logic
  powerpc/64e: fix CONFIG_RELOCATABLE build warnings
  powerpc/64s: fix hash page fault interrupt handler
  powerpc/4xx: Fix setup_kuep() on SMP
  powerpc/32s: Fix setup_{kuap/kuep}() on SMP
  powerpc/interrupt: Use names in check_return_regs_valid()
  powerpc/interrupt: Also use exit_must_hard_disable() on PPC32
  powerpc/sysfs: Replace sizeof(arr)/sizeof(arr[0]) with ARRAY_SIZE
  powerpc/ptrace: Refactor regs_set_return_{msr/ip}
  powerpc/ptrace: Move set_return_regs_changed() before regs_set_return_{msr/ip}
  powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()
  powerpc/pseries/vas: Include irqdomain.h
  powerpc: mark local variables around longjmp as volatile
  ...
2021-07-02 12:54:34 -07:00
Linus Torvalds
4cad671979 asm-generic/unaligned: Unify asm/unaligned.h around struct helper
The get_unaligned()/put_unaligned() helpers are traditionally architecture
 specific, with the two main variants being the "access-ok.h" version
 that assumes unaligned pointer accesses always work on a particular
 architecture, and the "le-struct.h" version that casts the data to a
 byte aligned type before dereferencing, for architectures that cannot
 always do unaligned accesses in hardware.
 
 Based on the discussion linked below, it appears that the access-ok
 version is not realiable on any architecture, but the struct version
 probably has no downsides. This series changes the code to use the
 same implementation on all architectures, addressing the few exceptions
 separately.
 
 Link: https://lore.kernel.org/lkml/75d07691-1e4f-741f-9852-38c0b4f520bc@synopsys.com/
 Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363
 Link: https://lore.kernel.org/lkml/20210507220813.365382-14-arnd@kernel.org/
 Link: git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git unaligned-rework-v2
 Link: https://lore.kernel.org/lkml/CAHk-=whGObOKruA_bU3aPGZfoDqZM1_9wBkwREp0H0FgR-90uQ@mail.gmail.com/
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-unaligned-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm/unaligned.h unification from Arnd Bergmann:
 "Unify asm/unaligned.h around struct helper

  The get_unaligned()/put_unaligned() helpers are traditionally
  architecture specific, with the two main variants being the
  "access-ok.h" version that assumes unaligned pointer accesses always
  work on a particular architecture, and the "le-struct.h" version that
  casts the data to a byte aligned type before dereferencing, for
  architectures that cannot always do unaligned accesses in hardware.

  Based on the discussion linked below, it appears that the access-ok
  version is not realiable on any architecture, but the struct version
  probably has no downsides. This series changes the code to use the
  same implementation on all architectures, addressing the few
  exceptions separately"

Link: https://lore.kernel.org/lkml/75d07691-1e4f-741f-9852-38c0b4f520bc@synopsys.com/
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363
Link: https://lore.kernel.org/lkml/20210507220813.365382-14-arnd@kernel.org/
Link: git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git unaligned-rework-v2
Link: https://lore.kernel.org/lkml/CAHk-=whGObOKruA_bU3aPGZfoDqZM1_9wBkwREp0H0FgR-90uQ@mail.gmail.com/

* tag 'asm-generic-unaligned-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  asm-generic: simplify asm/unaligned.h
  asm-generic: uaccess: 1-byte access is always aligned
  netpoll: avoid put_unaligned() on single character
  mwifiex: re-fix for unaligned accesses
  apparmor: use get_unaligned() only for multi-byte words
  partitions: msdos: fix one-byte get_unaligned()
  asm-generic: unaligned always use struct helpers
  asm-generic: unaligned: remove byteshift helpers
  powerpc: use linux/unaligned/le_struct.h on LE power7
  m68k: select CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
  sh: remove unaligned access for sh4a
  openrisc: always use unaligned-struct header
  asm-generic: use asm-generic/unaligned.h for most architectures
2021-07-02 12:43:40 -07:00
Linus Torvalds
406254918b perf tools changes for v5.14:
Tools:
 
 - Add cgroup support for 'perf top' (-G).
 
 - Add support for KVM MSRs in 'perf kvm stat'
 
 - Support probes on init functions in 'perf probe', to support the
   bootconfig format.
 
 - Improve error reporting in 'perf probe'.
 
 - No need to synthesize BUILD_ID records in 'perf inject' if the MMAP2
   records have build ids already.
 
 - Allow toggling source code ('s' hotkey) in 'perf annotate' in all
   lines.
 
 - Add itrace options support to 'perf annotate'.
 
 - Support to custom DSO filters for 'perf script'.
 
 Hardware enablement:
 
 - Support the HYBRID_TOPOLOGY and HYBRID_CPU_PMU_CAPS features in the
   perf.data file header.
 
 - Support PMU prefix for mem-load and mem-store events, to support
   hybrid (BIG little) CPUs such as Intel's Alderlake.
 
 - Support hybrid CPUs in 'perf mem' and 'perf c2c'.
 
 Hardware tracing:
 
 - Intel PT now supports tracing KVM guests.
 
 - Timestamp improvements for ARM's Coresight.
 
 Build:
 
 - Add 'make -C tools/perf build-test' entries for libopencsd/CORESIGHT=1
   and libbpf/LIBBPF_DYNAMIC=1.
 
 - Use bison's --file-prefix-map option to avoid storing full paths when
   using O= in the perf build.
 
 Tests:
 
 - Improve the 'perf test' entries for libpfm4 and BPF counters.
 
 Misc:
 
 - Sync msr-index.h, mount.h, kvm headers with the kernel originals.
 
 - Add vendor events and metrics for Intel's Icelake Server & Client.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.14-2021-07-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tool updates from Arnaldo Carvalho de Melo:
 "Tools:

   - Add cgroup support for 'perf top' (-G).

   - Add support for KVM MSRs in 'perf kvm stat'

   - Support probes on init functions in 'perf probe', to support the
     bootconfig format.

   - Improve error reporting in 'perf probe'.

   - No need to synthesize BUILD_ID records in 'perf inject' if the
     MMAP2 records have build ids already.

   - Allow toggling source code ('s' hotkey) in 'perf annotate' in all
     lines.

   - Add itrace options support to 'perf annotate'.

   - Support to custom DSO filters for 'perf script'.

  Hardware enablement:

   - Support the HYBRID_TOPOLOGY and HYBRID_CPU_PMU_CAPS features in the
     perf.data file header.

   - Support PMU prefix for mem-load and mem-store events, to support
     hybrid (BIG little) CPUs such as Intel's Alderlake.

   - Support hybrid CPUs in 'perf mem' and 'perf c2c'.

  Hardware tracing:

   - Intel PT now supports tracing KVM guests.

   - Timestamp improvements for ARM's Coresight.

  Build:

   - Add 'make -C tools/perf build-test' entries for
     libopencsd/CORESIGHT=1 and libbpf/LIBBPF_DYNAMIC=1.

   - Use bison's --file-prefix-map option to avoid storing full paths
     when using O= in the perf build.

  Tests:

   - Improve the 'perf test' entries for libpfm4 and BPF counters.

  Misc:

   - Sync msr-index.h, mount.h, kvm headers with the kernel originals.

   - Add vendor events and metrics for Intel's Icelake Server & Client"

* tag 'perf-tools-for-v5.14-2021-07-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (123 commits)
  perf session: Add missing evlist__delete when deleting a session
  perf annotate: Allow 's' on source code lines
  perf dlfilter: Add object_code() to perf_dlfilter_fns
  perf dlfilter: Add attr() to perf_dlfilter_fns
  perf dlfilter: Add srcline() to perf_dlfilter_fns
  perf dlfilter: Add insn() to perf_dlfilter_fns
  perf dlfilter: Add resolve_address() to perf_dlfilter_fns
  perf build: Install perf_dlfilter.h
  perf script: Add option to pass arguments to dlfilters
  perf script: Add option to list dlfilters
  perf script: Add dlfilter__filter_event_early()
  perf script: Add API for filtering via dynamically loaded shared object
  perf llvm: Return -ENOMEM when asprintf() fails
  perf cs-etm: Delay decode of non-timeless data until cs_etm__flush_events()
  tools headers UAPI: Synch KVM's svm.h header with the kernel
  tools kvm headers arm64: Update KVM headers from the kernel sources
  tools headers UAPI: Sync linux/kvm.h with the kernel sources
  tools headers cpufeatures: Sync with the kernel sources
  tools include UAPI: Update linux/mount.h copy
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  ...
2021-07-02 12:24:31 -07:00
Linus Torvalds
71bd934101 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "190 patches.

  Subsystems affected by this patch series: mm (hugetlb, userfaultfd,
  vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock,
  migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap,
  zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc,
  core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs,
  signals, exec, kcov, selftests, compress/decompress, and ipc"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits)
  ipc/util.c: use binary search for max_idx
  ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock
  ipc: use kmalloc for msg_queue and shmid_kernel
  ipc sem: use kvmalloc for sem_undo allocation
  lib/decompressors: remove set but not used variabled 'level'
  selftests/vm/pkeys: exercise x86 XSAVE init state
  selftests/vm/pkeys: refill shadow register after implicit kernel write
  selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
  selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
  kcov: add __no_sanitize_coverage to fix noinstr for all architectures
  exec: remove checks in __register_bimfmt()
  x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned
  hfsplus: report create_date to kstat.btime
  hfsplus: remove unnecessary oom message
  nilfs2: remove redundant continue statement in a while-loop
  kprobes: remove duplicated strong free_insn_page in x86 and s390
  init: print out unknown kernel parameters
  checkpatch: do not complain about positive return values starting with EPOLL
  checkpatch: improve the indented label test
  checkpatch: scripts/spdxcheck.py now requires python3
  ...
2021-07-02 12:08:10 -07:00
Al Cooper
d0244847f9 mmc: sdhci: Fix warning message when accessing RPMB in HS400 mode
When an eMMC device is being run in HS400 mode, any access to the
RPMB device will cause the error message "mmc1: Invalid UHS-I mode
selected". This happens as a result of tuning being disabled before
RPMB access and then re-enabled after the RPMB access is complete.
When tuning is re-enabled, the system has to switch from HS400
to HS200 to do the tuning and then back to HS400. As part of
sequence to switch from HS400 to HS200 the system is temporarily
put into HS mode. When switching to HS mode, sdhci_get_preset_value()
is called and does not have support for HS mode and prints the warning
message and returns the preset for SDR12. The fix is to add support
for MMC and SD HS modes to sdhci_get_preset_value().

This can be reproduced on any system running eMMC in HS400 mode
(not HS400ES) by using the "mmc" utility to run the following
command: "mmc rpmb read-counter /dev/mmcblk0rpmb".

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: 52983382c7 ("mmc: sdhci: enhance preset value function")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210624163045.33651-1-alcooperx@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-07-02 14:59:51 +02:00
Wolfram Sang
9d6336831b i2c: ali1535: mention that the device should not be disabled
The comment from the i801 driver is valid here, too, so copy it.

Reported-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-07-02 09:14:46 +02:00