Commit Graph

1179 Commits

Author SHA1 Message Date
Ankit Jain
8da3daaa09 soc: qcom: rmtfs: Add support for mmap functionality
This change adds mmap functionality to rmtfs_mem driver.
Userspace application can map the address and use this
mapped address directly as buffer for read/write call to disk.
and avoid the read/write call to the shared path to copy the
buffer to userspace application.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Ankit Jain <jankit@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-03-27 23:32:25 -05:00
Thierry Reding
7fe5719b43 soc/tegra: pmc: Implement acquire/release for resets
By implementing the acquire/release protocol, the resets can be shared
with other drivers that also adhere to this protocol. This will be used
for example by the SOR driver to put hardware into a known good state,
irrespective of whether or not the power domain can be reset.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-03-22 14:05:07 +01:00
Andrey Smirnov
8217a7a2c7 soc: imx: gpcv2: Make use of regmap_read_poll_timeout()
Replace explicit polling loop with a call to
regmap_read_poll_timeout() to avoid code repetition. Also fix
misspelled "failed" while at it.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-03-19 16:47:09 +08:00
Florian Fainelli
4823a031f0 This pull request brings in a build fix for arm64 with bcm2835
enabled, and fixes the driver in the presence of -EPROBE_DEFER.
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Merge tag 'tags/bcm2835-drivers-next-2019-03-12' into soc/fixes

This pull request brings in a build fix for arm64 with bcm2835
enabled, and fixes the driver in the presence of -EPROBE_DEFER.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2019-03-18 10:31:24 -07:00
Julia Lawall
fdda0a6adc meson-gx-socinfo: add missing of_node_put after of_device_is_available
Add an of_node_put when a tested device node is not available.

The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@@
identifier f;
local idexpression e;
expression x;
@@

e = f(...);
... when != of_node_put(e)
    when != x = e
    when != e = x
    when any
if (<+...of_device_is_available(e)...+>) {
  ... when != of_node_put(e)
(
  return e;
|
+ of_node_put(e);
  return ...;
)
}
// </smpl>

Fixes: a9daaba296 ("soc: Add Amlogic SoC Information driver")
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-03-18 09:07:32 -07:00
Neil Armstrong
65f80df58e soc: amlogic: gx-socinfo: Add new SoC IDs and Packages IDs
This adds the:
- G12A SoC ID and S905X2, S905D2 package IDs, found booting the
  X96 Max and U200 Reference Board
- G12B SoC ID and S922X package ID, found booting the Odroid-N2
- S805X, S805Y package IDs found in the vendor U-Boot source

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-03-18 09:07:32 -07:00
Neil Armstrong
dce47aed20 soc: amlogic: gx-socinfo: Add mask for each SoC packages
When updated IDs on f842c41adc ("amlogic: meson-gx-socinfo: Update soc ids")
we introduced packages ids using the full 8bit value, but in the function
socinfo_to_package_id() the id was filtered with the 0xf0 mask.

While the 0xf0 mask is valid for most board, it filters out the lower
4 bits which encodes some characteristics of the chip.

This patch moves the mask into the meson_gx_package_id table to be applied
on each package name independently and add the correct mask for some
specific entries.

An example is the S905, in the vendor code the S905 is package_id
different from 0x20, and S905M is exactly 0x20.

Another example are the The Wetek Hub & Play2 boards using a S905-H
variant, which is the S905 SoC with some licence bits enabled.
These licence bits are encoded in the lower 4bits, so to detect
the -H variant, we must detect the id == 0x3 with the 0xf mask.

Fixes: f842c41adc ("amlogic: meson-gx-socinfo: Update soc ids")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-03-18 09:07:31 -07:00
Rajan Vaja
3d03137864 drivers: Defer probe if firmware is not ready
Driver needs ZynqMP firmware interface to call EEMI
APIs. In case firmware is not ready, dependent drivers
should wait until the firmware is ready.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-03-18 13:45:27 +01:00
Takeshi Kihara
15160f6de0 soc: renesas: Identify R-Car M3-W ES1.3
The Product Register of R-Car M3-W ES1.3 incorrectly identifies the SoC
revision as ES2.1. Add a workaround to fix this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2019-03-18 10:33:42 +01:00
Linus Torvalds
384d11fa0e ARM: SoC driver updates for 5.1
As usual, the drivers/tee and drivers/reset subsystems get merged
 here, with the expected set of smaller updates and some new hardware
 support. The tee subsystem now supports device drivers to be attached
 to a tee, the first example here is a random number driver with its
 implementation in the secure world.
 
 Three new power domain drivers get added for specific chip families:
  - Broadcom BCM283x chips (used in Raspberry Pi)
  - Qualcomm Snapdragon phone chips
  - Xilinx ZynqMP FPGA SoCs
 
 One new driver is added to talk to the BPMP firmware on NVIDIA
 Tegra210
 
 Existing drivers are extended for new SoC variants from NXP,
 NVIDIA, Amlogic and Qualcomm.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "As usual, the drivers/tee and drivers/reset subsystems get merged
  here, with the expected set of smaller updates and some new hardware
  support. The tee subsystem now supports device drivers to be attached
  to a tee, the first example here is a random number driver with its
  implementation in the secure world.

  Three new power domain drivers get added for specific chip families:
   - Broadcom BCM283x chips (used in Raspberry Pi)
   - Qualcomm Snapdragon phone chips
   - Xilinx ZynqMP FPGA SoCs

  One new driver is added to talk to the BPMP firmware on NVIDIA
  Tegra210

  Existing drivers are extended for new SoC variants from NXP, NVIDIA,
  Amlogic and Qualcomm"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (113 commits)
  tee: optee: update optee_msg.h and optee_smc.h to dual license
  tee: add cancellation support to client interface
  dpaa2-eth: configure the cache stashing amount on a queue
  soc: fsl: dpio: configure cache stashing destination
  soc: fsl: dpio: enable frame data cache stashing per software portal
  soc: fsl: guts: make fsl_guts_get_svr() static
  hwrng: make symbol 'optee_rng_id_table' static
  tee: optee: Fix unsigned comparison with less than zero
  hwrng: Fix unsigned comparison with less than zero
  tee: fix possible error pointer ctx dereferencing
  hwrng: optee: Initialize some structs using memset instead of braces
  tee: optee: Initialize some structs using memset instead of braces
  soc: fsl: dpio: fix memory leak of a struct qbman on error exit path
  clk: tegra: dfll: Make symbol 'tegra210_cpu_cvb_tables' static
  soc: qcom: llcc-slice: Fix typos
  qcom: soc: llcc-slice: Consolidate some code
  qcom: soc: llcc-slice: Clear the global drv_data pointer on error
  drivers: soc: xilinx: Add ZynqMP power domain driver
  firmware: xilinx: Add APIs to control node status/power
  dt-bindings: power: Add ZynqMP power domain bindings
  ...
2019-03-06 09:41:12 -08:00
Linus Torvalds
18483190e7 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer and clockevent updates from Thomas Gleixner:
 "The time(r) core and clockevent updates are mostly boring this time:

   - A new driver for the Tegra210 timer

   - Small fixes and improvements alll over the place

   - Documentation updates and cleanups"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
  soc/tegra: default select TEGRA_TIMER for Tegra210
  clocksource/drivers/tegra: Add Tegra210 timer support
  dt-bindings: timer: add Tegra210 timer
  clocksource/drivers/timer-cs5535: Rename the file for consistency
  clocksource/drivers/timer-pxa: Rename the file for consistency
  clocksource/drivers/tango-xtal: Rename the file for consistency
  dt-bindings: timer: gpt: update binding doc
  clocksource/drivers/exynos_mct: Remove unused header includes
  dt-bindings: timer: mediatek: update bindings for MT7629 SoC
  clocksource/drivers/exynos_mct: Fix error path in timer resources initialization
  clocksource/drivers/exynos_mct: Remove dead code
  clocksource/drivers/riscv: Add required checks during clock source init
  dt-bindings: timer: renesas: tmu: Document r8a774c0 bindings
  dt-bindings: timer: renesas, cmt: Document r8a774c0 CMT support
  clocksource/drivers/exynos_mct: Clear timer interrupt when shutdown
  clocksource/drivers/exynos_mct: Move one-shot check from tick clear to ISR
  clocksource/drivers/arch_timer: Workaround for Allwinner A64 timer instability
  clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
  timers: Mark expected switch fall-throughs
  timekeeping/debug: No need to check return value of debugfs_create functions
  ...
2019-03-05 12:14:43 -08:00
Linus Torvalds
d9862cfbe2 Here's the main MIPS pull request for v5.1:
- Support for the MIPSr6 MemoryMapID register & Global INValidate TLB
   (GINVT) instructions, allowing for more efficient TLB maintenance when
   running on a CPU such as the I6500 that supports these.
 
 - Enable huge page support for MIPS64r6.
 
 - Optimize post-DMA cache sync by removing that code entirely for kernel
   configurations in which we know it won't be needed.
 
 - The number of pages allocated for interrupt stacks is now calculated
   correctly, where before we would wastefully allocate too much memory
   in some configurations.
 
 - The ath79 platform migrates to devicetree.
 
 - The bcm47xx platform sees fixes for the Buffalo WHR-G54S board.
 
 - The ingenic/jz4740 platform gains support for appended devicetrees.
 
 - The cavium_octeon, lantiq, loongson32 & sgi-ip27 platforms all see
   cleanups as do various pieces of core architecture code.
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Merge tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Paul Burton:

 - Support for the MIPSr6 MemoryMapID register & Global INValidate TLB
   (GINVT) instructions, allowing for more efficient TLB maintenance
   when running on a CPU such as the I6500 that supports these.

 - Enable huge page support for MIPS64r6.

 - Optimize post-DMA cache sync by removing that code entirely for
   kernel configurations in which we know it won't be needed.

 - The number of pages allocated for interrupt stacks is now calculated
   correctly, where before we would wastefully allocate too much memory
   in some configurations.

 - The ath79 platform migrates to devicetree.

 - The bcm47xx platform sees fixes for the Buffalo WHR-G54S board.

 - The ingenic/jz4740 platform gains support for appended devicetrees.

 - The cavium_octeon, lantiq, loongson32 & sgi-ip27 platforms all see
   cleanups as do various pieces of core architecture code.

* tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (66 commits)
  MIPS: lantiq: Remove separate GPHY Firmware loader
  MIPS: ingenic: Add support for appended devicetree
  MIPS: SGI-IP27: rework HUB interrupts
  MIPS: SGI-IP27: do boot CPU init later
  MIPS: SGI-IP27: do xtalk scanning later
  MIPS: SGI-IP27: use pr_info/pr_emerg and pr_cont to fix output
  MIPS: SGI-IP27: clean up bridge access and header files
  MIPS: SGI-IP27: get rid of volatile and hubreg_t
  MIPS: irq: Allocate accurate order pages for irq stack
  MIPS: dma-noncoherent: Remove bogus condition in dma_sync_phys()
  MIPS: eBPF: Remove REG_32BIT_ZERO_EX
  MIPS: eBPF: Always return sign extended 32b values
  MIPS: CM: Fix indentation
  MIPS: BCM47XX: Fix/improve Buffalo WHR-G54S support
  MIPS: OCTEON: program rx/tx-delay always from DT
  MIPS: OCTEON: delete board-specific link status
  MIPS: OCTEON: don't lie about interface type of CN3005 board
  MIPS: OCTEON: warn if deprecated link status is being used
  MIPS: OCTEON: add fixed-link nodes to in-kernel device tree
  MIPS: Delete unused flush_cache_sigtramp()
  ...
2019-03-05 11:28:25 -08:00
Linus Torvalds
63bdf4284c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "API:
   - Add helper for simple skcipher modes.
   - Add helper to register multiple templates.
   - Set CRYPTO_TFM_NEED_KEY when setkey fails.
   - Require neither or both of export/import in shash.
   - AEAD decryption test vectors are now generated from encryption
     ones.
   - New option CONFIG_CRYPTO_MANAGER_EXTRA_TESTS that includes random
     fuzzing.

  Algorithms:
   - Conversions to skcipher and helper for many templates.
   - Add more test vectors for nhpoly1305 and adiantum.

  Drivers:
   - Add crypto4xx prng support.
   - Add xcbc/cmac/ecb support in caam.
   - Add AES support for Exynos5433 in s5p.
   - Remove sha384/sha512 from artpec7 as hardware cannot do partial
     hash"

[ There is a merge of the Freescale SoC tree in order to pull in changes
  required by patches to the caam/qi2 driver. ]

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (174 commits)
  crypto: s5p - add AES support for Exynos5433
  dt-bindings: crypto: document Exynos5433 SlimSSS
  crypto: crypto4xx - add missing of_node_put after of_device_is_available
  crypto: cavium/zip - fix collision with generic cra_driver_name
  crypto: af_alg - use struct_size() in sock_kfree_s()
  crypto: caam - remove redundant likely/unlikely annotation
  crypto: s5p - update iv after AES-CBC op end
  crypto: x86/poly1305 - Clear key material from stack in SSE2 variant
  crypto: caam - generate hash keys in-place
  crypto: caam - fix DMA mapping xcbc key twice
  crypto: caam - fix hash context DMA unmap size
  hwrng: bcm2835 - fix probe as platform device
  crypto: s5p-sss - Use AES_BLOCK_SIZE define instead of number
  crypto: stm32 - drop pointless static qualifier in stm32_hash_remove()
  crypto: chelsio - Fixed Traffic Stall
  crypto: marvell - Remove set but not used variable 'ivsize'
  crypto: ccp - Update driver messages to remove some confusion
  crypto: adiantum - add 1536 and 4096-byte test vectors
  crypto: nhpoly1305 - add a test vector with len % 16 != 0
  crypto: arm/aes-ce - update IV after partial final CTR block
  ...
2019-03-05 09:09:55 -08:00
Eric Anholt
4deabfae64 soc: bcm: bcm2835-pm: Fix error paths of initialization.
The clock driver may probe after ours and so we need to pass the
-EPROBE_DEFER out.  Fix the other error path while we're here.

v2: Use dom->name instead of dom->gov as the flag for initialized
    domains, since we aren't setting up a governor.  Make sure to
    clear ->clk when no clk is present in the DT.

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
2019-03-04 15:33:14 -08:00
Eric Anholt
7f3d6c8e8f soc: bcm: bcm2835-pm: Fix PM_IMAGE_PERI power domain support.
We don't have ASB master/slave regs for this domain, so just skip that
step.

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
2019-03-04 15:32:34 -08:00
Arnd Bergmann
8ceb820b69 NXP/FSL SoC driver updates for v5.1 take4
DPIO driver
 - Add support for cache stashing and enable it in dpaa2-eth driver
 
 GUTS driver
 - Make fsl_guts_get_svr() API internal in favor of more generic
   soc_device_match()
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Merge tag 'soc-fsl-next-v5.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.1 take4

DPIO driver
- Add support for cache stashing and enable it in dpaa2-eth driver

GUTS driver
- Make fsl_guts_get_svr() API internal in favor of more generic
  soc_device_match()

* tag 'soc-fsl-next-v5.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  dpaa2-eth: configure the cache stashing amount on a queue
  soc: fsl: dpio: configure cache stashing destination
  soc: fsl: dpio: enable frame data cache stashing per software portal
  soc: fsl: guts: make fsl_guts_get_svr() static

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-03-01 15:05:54 +01:00
Ioana Ciornei
51da14e96e soc: fsl: dpio: configure cache stashing destination
Depending on the SoC version and the CPU id, configure the cache
stashing destination for a specific dpio.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-02-26 14:53:30 -06:00
Ioana Ciornei
390bf02d27 soc: fsl: dpio: enable frame data cache stashing per software portal
Enable cache stashing on the frame data dequeued using this software
portal. Also, enable dropping a stash request transaction when the
target request queue is almost full.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-02-26 14:53:30 -06:00
Horia Geantă
ae23a0fe58 soc: fsl: guts: make fsl_guts_get_svr() static
The export of fsl_guts_get_svr() is a left-over, it's currently used
only internally and users needing SoC information should use the generic
soc_device infrastructure.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Acked-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-02-26 11:48:04 -06:00
Hauke Mehrtens
aeb669d41f
MIPS: lantiq: Remove separate GPHY Firmware loader
The separate GPHY Firmware loader driver is not used any more, the GPHY
firmware is now loaded by the GSWIP switch driver which also makes use
of the GPHY.
Remove the old unused GPHY firmware loader driver.

The GPHY firmware is useless without an Ethernet and switch driver, it
should not harm if loading this does not work for system using an old
device tree.
I am not aware of any vendor separating the device tree from the kernel
binary, it should be ok to remove this.

The code and the functionality form this separate GPHY firmware loader
was added to the gswip driver in commit 14fceff477 ("net: dsa: Add
Lantiq / Intel DSA driver for vrx200")

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: john@phrozen.org
Cc: netdev@vger.kernel.org
2019-02-25 14:17:10 -08:00
Joseph Lo
f40f4fc950 soc/tegra: default select TEGRA_TIMER for Tegra210
The tegra timer is necessary for Tegra210 to support CPU idle power-down
state. So select it by default.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2019-02-23 12:13:45 +01:00
Arnd Bergmann
3b96fe66c7 NXP/FSL SoC driver updates for v5.1 take3
DPIO driver
 - fixed a use after free problem
 - fixed a memory leak on error path
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Merge tag 'soc-fsl-next-v5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.1 take3

DPIO driver
- fixed a use after free problem
- fixed a memory leak on error path

* tag 'soc-fsl-next-v5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: dpio: fix memory leak of a struct qbman on error exit path
  soc: fsl: dpio: Use after free in dpaa2_dpio_remove()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-20 16:13:47 +01:00
Colin Ian King
bd3bd3b36d soc: fsl: dpio: fix memory leak of a struct qbman on error exit path
Currently the error check for a null reg leaks a struct qbman
that was allocated earlier. Fix this by kfree'ing p on the error exit
path.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-02-19 14:59:39 -06:00
Arnd Bergmann
5477a43a59 Qualcomm ARM Based Driver Updates for v5.1 - Part 3
* Fixup types in Qualcomm LLCC patch
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Merge tag 'qcom-drivers-for-5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers

Qualcomm ARM Based Driver Updates for v5.1 - Part 3

* Fixup types in Qualcomm LLCC patch

* tag 'qcom-drivers-for-5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: llcc-slice: Fix typos

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-16 20:29:00 +01:00
Andy Gross
32616b2121 soc: qcom: llcc-slice: Fix typos
This patch fixes typos in the llcc-slice driver.

Fixes: 72d1cd0331 ("qcom: soc: llcc-slice: Clear the global drv_data pointer on error")

Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-15 16:30:34 -06:00
Arnd Bergmann
5aa8f495d6 Qualcomm ARM Based Driver Updates for v5.1 - Part 2
* Fixups/Cleanup for Qualcomm LLCC
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Merge tag 'qcom-drivers-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers

Qualcomm ARM Based Driver Updates for v5.1 - Part 2

* Fixups/Cleanup for Qualcomm LLCC

* tag 'qcom-drivers-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  qcom: soc: llcc-slice: Consolidate some code
  qcom: soc: llcc-slice: Clear the global drv_data pointer on error

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 20:50:20 +01:00
Arnd Bergmann
50b0225bf4 soc: ti: couple of non critical fixes for v5.1
- Fix the Clang warning for enum in Navigator dma
  - Simplify code in ti_sci with DEFINE_SHOW_ATTRIBUTE macro
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Merge tag 'drivers_soc_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into arm/drivers

soc: ti: couple of non critical fixes for v5.1

 - Fix the Clang warning for enum in Navigator dma
 - Simplify code in ti_sci with DEFINE_SHOW_ATTRIBUTE macro

* tag 'drivers_soc_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: knav_dma: Use proper enum in pktdma_init_chan
  firmware: ti_sci: Change to use DEFINE_SHOW_ATTRIBUTE macro

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 18:02:04 +01:00
Arnd Bergmann
187b4ac7df This pull request contains Broadcom ARM/ARM64/MIPS based SoCs changes
for 5.1, please pull the following:
 
 - Stefan updates the BCM2835 SoC driver with downstream properties and
   uses that to implement a reboot notifier to tell the VC4 firmware when
   Linux on the ARM CPU is rebooting
 
 - Eric adds a proper power domain driver for the BCM283x SoCs and
   updates a bunch of drivers to have a better and clearer Device Tree
   definition to support power domains/breaking up of functionality. This
   requires converting the existing watchdog driver into a MFD and then
   breaking up the functionality into separate drivers and finally
   updating the DTS files to leverage the power domains information.
 
 - Wei provides a fix for making a symbol static
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Merge tag 'arm-soc/for-5.1/drivers' of https://github.com/Broadcom/stblinux into arm/drivers

This pull request contains Broadcom ARM/ARM64/MIPS based SoCs changes
for 5.1, please pull the following:

- Stefan updates the BCM2835 SoC driver with downstream properties and
  uses that to implement a reboot notifier to tell the VC4 firmware when
  Linux on the ARM CPU is rebooting

- Eric adds a proper power domain driver for the BCM283x SoCs and
  updates a bunch of drivers to have a better and clearer Device Tree
  definition to support power domains/breaking up of functionality. This
  requires converting the existing watchdog driver into a MFD and then
  breaking up the functionality into separate drivers and finally
  updating the DTS files to leverage the power domains information.

- Wei provides a fix for making a symbol static

* tag 'arm-soc/for-5.1/drivers' of https://github.com/Broadcom/stblinux:
  ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware.
  ARM: bcm283x: Extend the WDT DT node out to cover the whole PM block. (v4)
  soc: bcm: bcm2835-pm: Make local symbol static
  soc: bcm: Make PM driver default for BCM2835
  soc: bcm: bcm2835-pm: Add support for power domains under a new binding.
  bcm2835-pm: Move bcm2835-watchdog's DT probe to an MFD.
  dt-bindings: soc: Add a new binding for the BCM2835 PM node. (v4)
  firmware: raspberrypi: notify VC4 firmware of a reboot
  soc: bcm2835: sync firmware properties with downstream

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 18:01:17 +01:00
Arnd Bergmann
405bcfff17 Qualcomm ARM Based Driver Updates for v5.1
* Add Qualcomm RPMh power domain driver and related changes
 * Fix issues with sleep/wake sets and batch API in RPMh
 * Update MAINTAINERS Qualcomm entry
 * Fixup RMTFS-mem sysfs and uevents
 * Fix error handling in GSBI
 * Add SMD-RPM compatible entry for SDM660
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Merge tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers

Qualcomm ARM Based Driver Updates for v5.1

* Add Qualcomm RPMh power domain driver and related changes
* Fix issues with sleep/wake sets and batch API in RPMh
* Update MAINTAINERS Qualcomm entry
* Fixup RMTFS-mem sysfs and uevents
* Fix error handling in GSBI
* Add SMD-RPM compatible entry for SDM660

* tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smd-rpm: Add sdm660 compatible
  soc: qcom: gsbi: Fix error handling in gsbi_probe()
  soc: qcom: rpmh: Avoid accessing freed memory from batch API
  drivers: qcom: rpmh: avoid sending sleep/wake sets immediately
  soc: qcom: rmtfs-mem: Make sysfs attributes world-readable
  soc: qcom: rmtfs-mem: Add class to enable uevents
  soc: qcom: update config dependencies for QCOM_RPMPD
  soc: qcom: rpmpd: Drop family A RPM dependency
  MAINTAINERS: update list of qcom drivers
  soc: qcom: rpmhpd: Mark mx as a parent for cx
  soc: qcom: rpmhpd: Add RPMh power domain driver
  soc: qcom: rpmpd: Add support for get/set performance state
  soc: qcom: rpmpd: Add a Power domain driver to model corners
  dt-bindings: power: Add qcom rpm power domain driver bindings
  OPP: Add support for parsing the 'opp-level' property
  dt-bindings: opp: Introduce opp-level bindings

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 18:00:05 +01:00
Arnd Bergmann
a21c3f1795 soc/tegra: Changes for v5.1-rc1
This contains a couple of miscellaneous fixes for minor issues and a
 largish rework of the PMC driver to make it work on systems where the
 PMC has been locked down and can only be accessed from secure firmware.
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Merge tag 'tegra-for-5.1-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers

soc/tegra: Changes for v5.1-rc1

This contains a couple of miscellaneous fixes for minor issues and a
largish rework of the PMC driver to make it work on systems where the
PMC has been locked down and can only be accessed from secure firmware.

* tag 'tegra-for-5.1-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Support systems where PMC is marked secure
  soc/tegra: pmc: Explicitly initialize all fields
  soc/tegra: pmc: Make alignment consistent
  soc/tegra: pmc: Pass struct tegra_pmc * where possible
  soc/tegra: pmc: Make tegra_powergate_is_powered() a local function
  soc/tegra: pmc: Add missing kerneldoc
  soc/tegra: pmc: Sort includes alphabetically
  soc/tegra: pmc: Use TEGRA186_ prefix for GPIO names
  soc/tegra: fuse: Fix typo in tegra210_init_speedo_data
  soc/tegra: fuse: Fix illegal free of IO base address

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 17:24:45 +01:00
Arnd Bergmann
1d03f187f6 Amlogic: driver updates for v5.1
- clock measure: add support for G12a SoC family
 - misc. fixes
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Merge tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers

Amlogic: driver updates for v5.1
- clock measure: add support for G12a SoC family
- misc. fixes

* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  soc: amlogic: clk-measure: add axg and g12a support
  dt-bindings: amlogic: add new compatible devices to clk_measure
  soc: amlogic: canvas: Fix meson_canvas_get when probe failed
  soc: amlogic: add missing of_node_put()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 17:19:32 +01:00
Arnd Bergmann
c9235d9996 i.MX drivers update for 5.1:
- Do not get GPCv2 driver depend on SOC_IMX8MQ since the driver is
    going to be used on more SoCs than just i.MX8MQ.
  - Add power domain information into SCU bindings document.
  - Add support of start/stop a CPU into imx firmware driver.
  - Support multiple address ranges per child node for imx-weim bus
    driver.
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Merge tag 'imx-drivers-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers

i.MX drivers update for 5.1:
 - Do not get GPCv2 driver depend on SOC_IMX8MQ since the driver is
   going to be used on more SoCs than just i.MX8MQ.
 - Add power domain information into SCU bindings document.
 - Add support of start/stop a CPU into imx firmware driver.
 - Support multiple address ranges per child node for imx-weim bus
   driver.

* tag 'imx-drivers-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  firmware: imx: Add support to start/stop a CPU
  soc: imx: Break dependency on SOC_IMX8MQ for GPCv2
  firmware: imx: scu-pd: add fallback compatible string support
  dt-bindings: fsl: scu: add imx8qm scu power domain support
  dt-bindings: fsl: scu: add fallback compatible string for power domain
  bus: imx-weim: guard against timing configuration conflicts
  bus: imx-weim: support multiple address ranges per child node
  dt-bindings: bus: imx-weim: document multiple address ranges per child node
  soc: imx: gpcv2: handle reset clocks
  soc: imx: gpcv2: handle additional power-down bits in handshake register

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 17:17:57 +01:00
Arnd Bergmann
59f527dd7a arm64: zynqmp: SoC changes for v5.1
- Extend firmware interface with reset, nvmem,
   power management and power domain support
 
 - Add reset, nvmem driver, power management and
   power domain drivers
 -
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Merge tag 'zynqmp-soc-for-v5.1' of https://github.com/Xilinx/linux-xlnx into arm/drivers

arm64: zynqmp: SoC changes for v5.1

- Extend firmware interface with reset, nvmem,
  power management and power domain support

- Add reset, nvmem driver, power management and
  power domain drivers
-

* tag 'zynqmp-soc-for-v5.1' of https://github.com/Xilinx/linux-xlnx:
  drivers: soc: xilinx: Add ZynqMP power domain driver
  firmware: xilinx: Add APIs to control node status/power
  dt-bindings: power: Add ZynqMP power domain bindings
  drivers: soc: xilinx: Add ZynqMP PM driver
  firmware: xilinx: Implement ZynqMP power management APIs
  dt-bindings: soc: Add ZynqMP PM bindings
  nvmem: zynqmp: Added zynqmp nvmem firmware driver
  dt-bindings: nvmem: Add bindings for ZynqMP nvmem driver
  firmware: xilinx: Add zynqmp_pm_get_chipid() API
  reset: reset-zynqmp: Adding support for Xilinx zynqmp reset controller.
  dt-bindings: reset: Add bindings for ZynqMP reset driver
  firmware: xilinx: Add reset API's

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-02-15 17:16:45 +01:00
Jordan Crouse
ed10a259fa qcom: soc: llcc-slice: Consolidate some code
Make the code a little bit clearer (and use less gotos)
by consolidating some of the initialization.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-12 15:27:17 -06:00
Jordan Crouse
72d1cd0331 qcom: soc: llcc-slice: Clear the global drv_data pointer on error
Currently the data structure for llc-slice is devm allocated and
stored as a global but never cleared if the probe function fails.
This is a problem because devm managed memory gets freed on probe
failure the API functions could access the pointer after it has been
freed.

Initialize the drv_data pointer to an error and reset it to an error
on probe failure or device destroy and add protection to the API
functions to make sure the memory doesn't get accessed.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-12 15:27:14 -06:00
Jolly Shah
e23d9c6d0d drivers: soc: xilinx: Add ZynqMP power domain driver
The zynqmp-genpd driver communicates the usage requirements
for logical power domains / devices to the platform FW.
FW is responsible for choosing appropriate power states,
taking Linux' usage information into account.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-02-12 13:38:16 +01:00
Rajan Vaja
ab272643d7 drivers: soc: xilinx: Add ZynqMP PM driver
Add ZynqMP PM driver. PM driver provides power management
support for ZynqMP.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-02-12 13:36:24 +01:00
Jerome Brunet
19e0bde7bf soc: amlogic: clk-measure: add axg and g12a support
Add support for the axg and g12a SoC family in amlogic clk measure

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
[khilman: squashed some fixups from Martin]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-02-07 16:50:36 -08:00
Neil Armstrong
382f8be045 soc: amlogic: canvas: Fix meson_canvas_get when probe failed
When probe fails, a platforn_device is still associated to the node,
but dev_get_drvdata() returns NULL.

Handle this case by returning a consistent error.

Fixes: d4983983d9 ("soc: amlogic: add meson-canvas driver")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Maxime Jourdan <mjourdan@baylibre.com>
[khilman: fixed minor typo in comment ]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-02-07 16:31:30 -08:00
wen yang
99e5a8df8b soc: amlogic: add missing of_node_put()
The call to of_parse_phandle returns a node pointer with refcount
incremented thus it must be explicitly decremented here after the last
usage.

Signed-off-by: Wen Yang <yellowriver2010@hotmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: d4983983d9 ("soc: amlogic: add meson-canvas driver")
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-02-06 20:03:02 -08:00
Dan Carpenter
c1959066ac soc: fsl: dpio: Use after free in dpaa2_dpio_remove()
The dpaa2_io_down(priv->io) call frees "priv->io" so I've shifted the
code around a little bit to avoid the use after free.

Fixes: 991e873223 ("soc: fsl: dpio: use a cpumask to identify which cpus are unused")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-02-04 14:58:49 -06:00
Craig Tatlor
4e2256d31f soc: qcom: smd-rpm: Add sdm660 compatible
Add the compatible for the RPM in SDM660, so that rpm resources can be
made available.

Signed-off-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:58 -06:00
Alexey Khoroshilov
8cd09a3dd3 soc: qcom: gsbi: Fix error handling in gsbi_probe()
If of_platform_populate() fails in gsbi_probe(),
gsbi->hclk is left undisabled.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:52 -06:00
Stephen Boyd
baef1c90aa soc: qcom: rpmh: Avoid accessing freed memory from batch API
Using the batch API from the interconnect driver sometimes leads to a
KASAN error due to an access to freed memory. This is easier to trigger
with threadirqs on the kernel commandline.

 BUG: KASAN: use-after-free in rpmh_tx_done+0x114/0x12c
 Read of size 1 at addr fffffff51414ad84 by task irq/110-apps_rs/57

 CPU: 0 PID: 57 Comm: irq/110-apps_rs Tainted: G        W         4.19.10 #72
 Call trace:
  dump_backtrace+0x0/0x2f8
  show_stack+0x20/0x2c
  __dump_stack+0x20/0x28
  dump_stack+0xcc/0x10c
  print_address_description+0x74/0x240
  kasan_report+0x250/0x26c
  __asan_report_load1_noabort+0x20/0x2c
  rpmh_tx_done+0x114/0x12c
  tcs_tx_done+0x450/0x768
  irq_forced_thread_fn+0x58/0x9c
  irq_thread+0x120/0x1dc
  kthread+0x248/0x260
  ret_from_fork+0x10/0x18

 Allocated by task 385:
  kasan_kmalloc+0xac/0x148
  __kmalloc+0x170/0x1e4
  rpmh_write_batch+0x174/0x540
  qcom_icc_set+0x8dc/0x9ac
  icc_set+0x288/0x2e8
  a6xx_gmu_stop+0x320/0x3c0
  a6xx_pm_suspend+0x108/0x124
  adreno_suspend+0x50/0x60
  pm_generic_runtime_suspend+0x60/0x78
  __rpm_callback+0x214/0x32c
  rpm_callback+0x54/0x184
  rpm_suspend+0x3f8/0xa90
  pm_runtime_work+0xb4/0x178
  process_one_work+0x544/0xbc0
  worker_thread+0x514/0x7d0
  kthread+0x248/0x260
  ret_from_fork+0x10/0x18

 Freed by task 385:
  __kasan_slab_free+0x12c/0x1e0
  kasan_slab_free+0x10/0x1c
  kfree+0x134/0x588
  rpmh_write_batch+0x49c/0x540
  qcom_icc_set+0x8dc/0x9ac
  icc_set+0x288/0x2e8
  a6xx_gmu_stop+0x320/0x3c0
  a6xx_pm_suspend+0x108/0x124
  adreno_suspend+0x50/0x60
 cr50_spi spi5.0: SPI transfer timed out
  pm_generic_runtime_suspend+0x60/0x78
  __rpm_callback+0x214/0x32c
  rpm_callback+0x54/0x184
  rpm_suspend+0x3f8/0xa90
  pm_runtime_work+0xb4/0x178
  process_one_work+0x544/0xbc0
  worker_thread+0x514/0x7d0
  kthread+0x248/0x260
  ret_from_fork+0x10/0x18

 The buggy address belongs to the object at fffffff51414ac80
  which belongs to the cache kmalloc-512 of size 512
 The buggy address is located 260 bytes inside of
  512-byte region [fffffff51414ac80, fffffff51414ae80)
 The buggy address belongs to the page:
 page:ffffffbfd4505200 count:1 mapcount:0 mapping:fffffff51e00c680 index:0x0 compound_mapcount: 0
 flags: 0x4000000000008100(slab|head)
 raw: 4000000000008100 ffffffbfd4529008 ffffffbfd44f9208 fffffff51e00c680
 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
 page dumped because: kasan: bad access detected

 Memory state around the buggy address:
  fffffff51414ac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
  fffffff51414ad00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 >fffffff51414ad80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                    ^
  fffffff51414ae00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
  fffffff51414ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc

The batch API sets the same completion for each rpmh message that's sent
and then loops through all the messages and waits for that single
completion declared on the stack to be completed before returning from
the function and freeing the message structures. Unfortunately, some
messages may still be in process and 'stuck' in the TCS. At some later
point, the tcs_tx_done() interrupt will run and try to process messages
that have already been freed at the end of rpmh_write_batch(). This will
in turn access the 'needs_free' member of the rpmh_request structure and
cause KASAN to complain. Furthermore, if there's a message that's
completed in rpmh_tx_done() and freed immediately after the complete()
call is made we'll be racing with potentially freed memory when
accessing the 'needs_free' member:

	CPU0                         CPU1
	----                         ----
	rpmh_tx_done()
	 complete(&compl)
	                             wait_for_completion(&compl)
	                             kfree(rpm_msg)
	 if (rpm_msg->needs_free)
	 <KASAN warning splat>

Let's fix this by allocating a chunk of completions for each message and
waiting for all of them to be completed before returning from the batch
API. Alternatively, we could wait for the last message in the batch, but
that may be a more complicated change because it looks like
tcs_tx_done() just iterates through the indices of the queue and
completes each message instead of tracking the last inserted message and
completing that first.

Fixes: c8790cb6da ("drivers: qcom: rpmh: add support for batch RPMH request")
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: "Raju P.L.S.S.S.N" <rplsssn@codeaurora.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: stable@vger.kernel.org
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:45 -06:00
Raju P.L.S.S.S.N
7300241926 drivers: qcom: rpmh: avoid sending sleep/wake sets immediately
Fix the redundant call being made to send the sleep and wake requests
immediately to the controller.

As per the patch [1], the sleep and wake request votes are cached in
rpmh controller and sent during rpmh_flush(). These requests needs to be
sent only during entry of deeper system low power modes or suspend.

[1] https://patchwork.kernel.org/patch/10477533/

Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:40 -06:00
Evan Green
f58b0f9d9d soc: qcom: rmtfs-mem: Make sysfs attributes world-readable
In order to run an rmtfs daemon as an unprivileged user, that user would
need access to the phys_addr and size sysfs attributes. Sharing these
attributes with unprivileged users doesn't really leak anything
sensitive, since if you have access to physical memory, the jig is
up anyway.

Make those attributes readable by all.

Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:34 -06:00
Evan Green
b4aa93bca9 soc: qcom: rmtfs-mem: Add class to enable uevents
Currently the qcom_rmtfs_memN devices are entirely invisible to the udev world.
Add a class to the rmtfs device so that uevents fire when the device is added.

Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-02-01 16:08:27 -06:00
Wei Yongjun
722f761084 soc: bcm: bcm2835-pm: Make local symbol static
Fixes the following sparse warning:

drivers/soc/bcm/bcm2835-power.c:556:32: warning:
 symbol 'bcm2835_reset_ops' was not declared. Should it be static?

Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2019-01-31 21:05:58 -08:00
Arnd Bergmann
57f87c7989 NXP/FSL SoC driver updates for v5.1
DPIO driver
 - Clean up the remove path in the dpio driver so that successive
   bind/unbind commands behave properly
 - Add the ability to automatically create a device link between a
   consumer device on the fsl-mc bus and a supplier one
 - Add prefetch to dpio dequeue to improve performance
 - Update the type of dpio APIs to align with buffer pool id register
   field
 
 guts driver
 - Prevent allocation failure by reuse the machine type data from device
   tree directly
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Merge tag 'soc-fsl-next-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.1

DPIO driver
- Clean up the remove path in the dpio driver so that successive
  bind/unbind commands behave properly
- Add the ability to automatically create a device link between a
  consumer device on the fsl-mc bus and a supplier one
- Add prefetch to dpio dequeue to improve performance
- Update the type of dpio APIs to align with buffer pool id register
  field

guts driver
- Prevent allocation failure by reuse the machine type data from device
  tree directly

* tag 'soc-fsl-next-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: guts: reuse machine name from device tree
  soc: fsl: dpio: Change bpid type to u16
  soc: fsl: dpio: Add prefetch instruction
  bus: fsl-mc: automatically add a device_link on fsl_mc_[portal,object]_allocate
  soc: fsl: dpio: add a device_link at dpaa2_io_service_register
  soc: fsl: dpio: store a backpointer to the device backing the dpaa2_io
  soc: fsl: dpio: keep a per dpio device MC portal
  soc: fsl: dpio: perform DPIO Reset on Probe
  soc: fsl: dpio: use a cpumask to identify which cpus are unused
  soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-01-30 23:04:26 +01:00
Nathan Chancellor
2b13ef1f42 soc: ti: knav_dma: Use proper enum in pktdma_init_chan
Clang warns when one enumerated type is implicitly converted to another:

drivers/soc/ti/knav_dma.c:601:20: warning: implicit conversion from
enumeration type 'enum dma_data_direction' to different enumeration type
'enum dma_transfer_direction' [-Wenum-conversion]
        chan->direction = DMA_NONE;
                        ~ ^~~~~~~~
1 warning generated.

While DMA_NONE and DMA_TRANS_NONE have different values, there is no
functional change because direction is never checked against DMA_NONE,
only against DMA_MEM_TO_DEV and DMA_DEV_TO_MEM.

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2019-01-30 10:22:17 -08:00
Arnd Bergmann
e22dc7be4c soc/fsl fixes for v5.0
- qbman: avoid missing interrupts by only clearing processed events
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Merge tag 'soc-fsl-fix-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes

soc/fsl fixes for v5.0

- qbman: avoid missing interrupts by only clearing processed events

* tag 'soc-fsl-fix-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: qbman: avoid race in clearing QMan interrupt

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-01-30 11:14:04 +01:00
Mikko Perttunen
e247deae1a soc/tegra: pmc: Support systems where PMC is marked secure
On Tegra210 systems with new enough boot software, direct register
accesses to PMC register space from the non-secure world are not
allowed. Instead a monitor call may be used to read and write PMC
registers.

Add code to detect such a system by attempting to write a scratch
register and detecting if the write happened or not. If not, we switch
to doing all register accesses through the monitor call.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 16:18:24 +01:00
Thierry Reding
fa3bc04ef8 soc/tegra: pmc: Explicitly initialize all fields
It's not strictly necessary to initialize the fields in struct
tegra_pmc_soc if they are 0/false. However, we already initialize them
explicitly even if unnecessary, so keep doing that for consistency.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 16:18:24 +01:00
Thierry Reding
f1d912996f soc/tegra: pmc: Make alignment consistent
Some recently added code used weird alignment and indentation. Fix these
occurrences to make them consistent with the rest of the code.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 16:18:23 +01:00
Thierry Reding
589997a157 soc/tegra: pmc: Pass struct tegra_pmc * where possible
Instead of using the global pmc variable, pass around a pointer where
possible. Also, replace most occurrences of pr_*() functions by their
equivalent dev_*() functions, reusing the pmc->dev pointer.

It's not possible to get completely rid of the global variable because
some of the public API that this driver exposes still relies on it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 16:18:23 +01:00
Jon Hunter
d32dde2c5a soc/tegra: pmc: Make tegra_powergate_is_powered() a local function
Now there are no more external users of tegra_powergate_is_powered(),
make this a local function.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-01-25 14:17:49 +01:00
Thierry Reding
bbe5af6004 soc/tegra: pmc: Add missing kerneldoc
Some of the fields in struct tegra_pmc had not been documented when they
were added. Add the missing kerneldoc.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 14:17:37 +01:00
Thierry Reding
4659db5e6f soc/tegra: pmc: Sort includes alphabetically
This will make it easier to insert new includes in the right place in
subsequent patches.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
2019-01-25 14:17:21 +01:00
Thierry Reding
532700ed0a soc/tegra: pmc: Use TEGRA186_ prefix for GPIO names
The new prefix allows the GPIOs to be uniquely identified on a per-chip
basis, which makes it easier to distinguish Tegra186 specific GPIOs from
those of later chips such as Tegra194 which supports a very different
set of GPIOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-01-25 13:46:50 +01:00
Joseph Lo
d94da0dd68 soc/tegra: fuse: Fix typo in tegra210_init_speedo_data
Fix typo when reading SoC speedo value from fuse SoC speedo register.

Reported-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-01-25 12:39:47 +01:00
Timo Alho
51294bf6b9 soc/tegra: fuse: Fix illegal free of IO base address
On cases where device tree entries for fuse and clock provider are in
different order, fuse driver needs to defer probing. This leads to
freeing incorrect IO base address as the fuse->base variable gets
overwritten once during first probe invocation. This leads to the
following spew during boot:

[    3.082285] Trying to vfree() nonexistent vm area (00000000cfe8fd94)
[    3.082308] WARNING: CPU: 5 PID: 126 at /hdd/l4t/kernel/stable/mm/vmalloc.c:1511 __vunmap+0xcc/0xd8
[    3.082318] Modules linked in:
[    3.082330] CPU: 5 PID: 126 Comm: kworker/5:1 Tainted: G S                4.19.7-tegra-gce119d3 #1
[    3.082340] Hardware name: quill (DT)
[    3.082353] Workqueue: events deferred_probe_work_func
[    3.082364] pstate: 40000005 (nZcv daif -PAN -UAO)
[    3.082372] pc : __vunmap+0xcc/0xd8
[    3.082379] lr : __vunmap+0xcc/0xd8
[    3.082385] sp : ffff00000a1d3b60
[    3.082391] x29: ffff00000a1d3b60 x28: 0000000000000000
[    3.082402] x27: 0000000000000000 x26: ffff000008e8b610
[    3.082413] x25: 0000000000000000 x24: 0000000000000009
[    3.082423] x23: ffff000009221a90 x22: ffff000009f6d000
[    3.082432] x21: 0000000000000000 x20: 0000000000000000
[    3.082442] x19: ffff000009f6d000 x18: ffffffffffffffff
[    3.082452] x17: 0000000000000000 x16: 0000000000000000
[    3.082462] x15: ffff0000091396c8 x14: 0720072007200720
[    3.082471] x13: 0720072007200720 x12: 0720072907340739
[    3.082481] x11: 0764076607380765 x10: 0766076307300730
[    3.082491] x9 : 0730073007300730 x8 : 0730073007280720
[    3.082501] x7 : 0761076507720761 x6 : 0000000000000102
[    3.082510] x5 : 0000000000000000 x4 : 0000000000000000
[    3.082519] x3 : ffffffffffffffff x2 : ffff000009150ff8
[    3.082528] x1 : 3d95b1429fff5200 x0 : 0000000000000000
[    3.082538] Call trace:
[    3.082545]  __vunmap+0xcc/0xd8
[    3.082552]  vunmap+0x24/0x30
[    3.082561]  __iounmap+0x2c/0x38
[    3.082569]  tegra_fuse_probe+0xc8/0x118
[    3.082577]  platform_drv_probe+0x50/0xa0
[    3.082585]  really_probe+0x1b0/0x288
[    3.082593]  driver_probe_device+0x58/0x100
[    3.082601]  __device_attach_driver+0x98/0xf0
[    3.082609]  bus_for_each_drv+0x64/0xc8
[    3.082616]  __device_attach+0xd8/0x130
[    3.082624]  device_initial_probe+0x10/0x18
[    3.082631]  bus_probe_device+0x90/0x98
[    3.082638]  deferred_probe_work_func+0x74/0xb0
[    3.082649]  process_one_work+0x1e0/0x318
[    3.082656]  worker_thread+0x228/0x450
[    3.082664]  kthread+0x128/0x130
[    3.082672]  ret_from_fork+0x10/0x18
[    3.082678] ---[ end trace 0810fe6ba772c1c7 ]---

Fix this by retaining the value of fuse->base until driver has
successfully probed.

Signed-off-by: Timo Alho <talho@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-01-25 12:32:25 +01:00
Stefan Wahren
f494caa480 soc: bcm: Make PM driver default for BCM2835
Since commit 52a4adbaebcc ("ARM: bcm283x: Switch V3D over to using the
PM driver instead of firmware.") VC4 on BCM2835 requires the power driver.

Otherwise the driver won't probe and HDMI output stays black:
vc4_v3d 20c00000.v3d: ignoring dependency for device, assuming no driver

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2019-01-24 19:19:22 +01:00
Rajendra Nayak
4eccc154b3 soc: qcom: update config dependencies for QCOM_RPMPD
Since QCOM_RPMPD is bool and it depends on QCOM_SMD_RPM
which is tristate, configurations such as arm64:allmodconfig
result in

CONFIG_QCOM_RPMPD=y
CONFIG_QCOM_SMD_RPM=m

This in turn results in

drivers/soc/qcom/rpmpd.o: In function `rpmpd_send_corner':
rpmpd.c:(.text+0x10c): undefined reference to `qcom_rpm_smd_write'
drivers/soc/qcom/rpmpd.o: In function `rpmpd_power_on':
rpmpd.c:(.text+0x3b4): undefined reference to `qcom_rpm_smd_write'
drivers/soc/qcom/rpmpd.o: In function `rpmpd_power_off':
rpmpd.c:(.text+0x520): undefined reference to `qcom_rpm_smd_write'
make: *** [vmlinux] Error 1

Fix it by making QCOM_RPMPD depend on QCOM_SMD_RPM=y

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:36:04 -06:00
Bjorn Andersson
41c5bb767e soc: qcom: rpmpd: Drop family A RPM dependency
The MFD_QCOM_RPM is the RPM in family A, but the rpmpd driver only implements
support for SMD based devices. Drop the dependency and remove includes of the
family A headers. No functional change.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:35:10 -06:00
Rajendra Nayak
0503aec22c soc: qcom: rpmhpd: Mark mx as a parent for cx
Specify the active + sleep and active-only MX power domains as
the parents of the corresponding CX power domains. This will ensure that
performance state requests on CX automatically generate equivalent requests
on MX power domains.

This is used to enforce a requirement that exists for various
hardware blocks on SDM845 that MX performance state >= CX performance
state for a given operating frequency.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:10:15 -06:00
Rajendra Nayak
279b7e8a62 soc: qcom: rpmhpd: Add RPMh power domain driver
The RPMh power domain driver aggregates the corner votes from various
consumers for the ARC resources and communicates it to RPMh.

With RPMh we use 2 different numbering space for corners, one used
by the clients to express their performance needs, and another used
to communicate to RPMh hardware.

The clients express their performance requirements using a sparse
numbering space which are mapped to meaningful levels like RET, SVS,
NOMINAL, TURBO etc which then get mapped to another number space
between 0 and 15 which is communicated to RPMh. The sparse number space,
also referred to as vlvl is mapped to the continuous number space of 0
to 15, also referred to as hlvl, using command DB.

Some power domain clients could request a performance state only while
the CPU is active, while some others could request for a certain
performance state all the time regardless of the state of the CPU.
We handle this by internally aggregating the votes from both type of
clients and then send the aggregated votes to RPMh.

There are also 3 different types of votes that are comunicated to RPMh
for every resource.
1. ACTIVE_ONLY:
	This specifies the requirement for the resource when the CPU is
 	active
2. SLEEP:
	This specifies the requirement for the resource when the CPU is
	going to sleep
3. WAKE_ONLY:
	This specifies the requirement for the resource when the CPU is
	coming out of sleep to active state

We add data for all power domains on sdm845 SoC as part of the patch.
The driver can be extended to support other SoCs which support RPMh

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:10:15 -06:00
Rajendra Nayak
075d3db8d1 soc: qcom: rpmpd: Add support for get/set performance state
Add support for the .set_performace_state() and .opp_to_performance_state()
callbacks in the rpmpd driver.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:06:13 -06:00
Rajendra Nayak
bbe3a66c3f soc: qcom: rpmpd: Add a Power domain driver to model corners
The Power domains for corners just pass the performance state set by the
consumers to the RPM (Remote Power manager) which then takes care
of setting the appropriate voltage on the corresponding rails to
meet the performance needs.

We add all power domain data needed on msm8996 here. This driver can easily
be extended by adding data for other qualcomm SoCs as well.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-22 15:06:13 -06:00
Madalin Bucur
89857a8a5c soc: fsl: qbman: avoid race in clearing QMan interrupt
By clearing all interrupt sources, not only those that
already occurred, the existing code may acknowledge by
mistake interrupts that occurred after the code checks
for them.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-18 16:48:35 -06:00
Linus Torvalds
e8746440bf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix regression in multi-SKB responses to RTM_GETADDR, from Arthur
    Gautier.

 2) Fix ipv6 frag parsing in openvswitch, from Yi-Hung Wei.

 3) Unbounded recursion in ipv4 and ipv6 GUE tunnels, from Stefano
    Brivio.

 4) Use after free in hns driver, from Yonglong Liu.

 5) icmp6_send() needs to handle the case of NULL skb, from Eric
    Dumazet.

 6) Missing rcu read lock in __inet6_bind() when operating on mapped
    addresses, from David Ahern.

 7) Memory leak in tipc-nl_compat_publ_dump(), from Gustavo A. R. Silva.

 8) Fix PHY vs r8169 module loading ordering issues, from Heiner
    Kallweit.

 9) Fix bridge vlan memory leak, from Ido Schimmel.

10) Dev refcount leak in AF_PACKET, from Jason Gunthorpe.

11) Infoleak in ipv6_local_error(), flow label isn't completely
    initialized. From Eric Dumazet.

12) Handle mv88e6390 errata, from Andrew Lunn.

13) Making vhost/vsock CID hashing consistent, from Zha Bin.

14) Fix lack of UMH cleanup when it unexpectedly exits, from Taehee Yoo.

15) Bridge forwarding must clear skb->tstamp, from Paolo Abeni.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
  bnxt_en: Fix context memory allocation.
  bnxt_en: Fix ring checking logic on 57500 chips.
  mISDN: hfcsusb: Use struct_size() in kzalloc()
  net: clear skb->tstamp in bridge forwarding path
  net: bpfilter: disallow to remove bpfilter module while being used
  net: bpfilter: restart bpfilter_umh when error occurred
  net: bpfilter: use cleanup callback to release umh_info
  umh: add exit routine for UMH process
  isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
  vhost/vsock: fix vhost vsock cid hashing inconsistent
  net: stmmac: Prevent RX starvation in stmmac_napi_poll()
  net: stmmac: Fix the logic of checking if RX Watchdog must be enabled
  net: stmmac: Check if CBS is supported before configuring
  net: stmmac: dwxgmac2: Only clear interrupts that are active
  net: stmmac: Fix PCI module removal leak
  tools/bpf: fix bpftool map dump with bitfields
  tools/bpf: test btf bitfield with >=256 struct member offset
  bpf: fix bpffs bitfield pretty print
  net: ethernet: mediatek: fix warning in phy_start_aneg
  tcp: change txhash on SYN-data timeout
  ...
2019-01-16 05:13:36 +12:00
Abel Vesa
9b0bb07328 soc: imx: Break dependency on SOC_IMX8MQ for GPCv2
Since this is going to be used on more SoCs than just i.MX8MQ, make
the dependency here more generic by using ARCH_MXC instead.
Also remove the SOC_IMX7D since it is also included by the ARCH_MXC.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-01-14 09:42:22 +08:00
Linus Torvalds
dbc3c09b81 ARM: SoC fixes
A bigger batch than I anticipated this week, for two reasons:
 
  - Some fallout on Davinci from board file -> DTB conversion, that also
  includes a few longer-standing fixes (i.e. not recent regressions).
 
  - drivers/reset material that has been in linux-next for a while, but
  didn't get sent to us until now for a variety of reasons (maintainer out
  sick, holidays, etc). There's a functional dependency in there such that
  one platform (Altera's SoCFPGA) won't boot without one of the patches;
  instead of reverting the patch that got merged, I looked at this set
  and decided it was small enough that I'll pick it up anyway. If you
  disagree I can revisit with a smaller set.
 
 That being said, there's also a handful of the usual stuff:
 
  - Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved
  memory
  - Fix for PCIe reset on Macchiatobin (Armada 8K development board, what
  this email is sent from in fact :)
  - Enable a few new-merged modules for Amlogic in arm64 defconfig
  - Error path fixes on Integrator
  - Build fix for Renesas and Qualcomm
  - Initialization fix for Renesas RZ/G2E
 
  + A few more fixlets.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A bigger batch than I anticipated this week, for two reasons:

   - Some fallout on Davinci from board file -> DTB conversion, that
     also includes a few longer-standing fixes (i.e. not recent
     regressions).

   - drivers/reset material that has been in linux-next for a while, but
     didn't get sent to us until now for a variety of reasons
     (maintainer out sick, holidays, etc). There's a functional
     dependency in there such that one platform (Altera's SoCFPGA) won't
     boot without one of the patches; instead of reverting the patch
     that got merged, I looked at this set and decided it was small
     enough that I'll pick it up anyway. If you disagree I can revisit
     with a smaller set.

  That being said, there's also a handful of the usual stuff:

   - Fix for a crash on Armada 7K/8K when the kernel touches
     PSCI-reserved memory

   - Fix for PCIe reset on Macchiatobin (Armada 8K development board,
     what this email is sent from in fact :)

   - Enable a few new-merged modules for Amlogic in arm64 defconfig

   - Error path fixes on Integrator

   - Build fix for Renesas and Qualcomm

   - Initialization fix for Renesas RZ/G2E

  .. plus a few more fixlets"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  ARM: integrator: impd1: use struct_size() in devm_kzalloc()
  qcom-scm: Include <linux/err.h> header
  gpio: pl061: handle failed allocations
  ARM: dts: kirkwood: Fix polarity of GPIO fan lines
  arm64: dts: marvell: mcbin: fix PCIe reset signal
  arm64: dts: marvell: armada-ap806: reserve PSCI area
  ARM: dts: da850-lcdk: Correct the sound card name
  ARM: dts: da850-lcdk: Correct the audio codec regulators
  ARM: dts: da850-evm: Correct the sound card name
  ARM: dts: da850-evm: Correct the audio codec regulators
  ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
  ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
  ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
  ARM: davinci: da850-evm: fix label names in GPIO lookup entries
  ARM: davinci: da830-evm: fix label names in GPIO lookup entries
  arm64: defconfig: enable modules for amlogic s400 sound card
  reset: uniphier-glue: Add AHCI reset control support in glue layer
  dt-bindings: reset: uniphier: Add AHCI core reset description
  reset: uniphier-usb3: Rename to reset-uniphier-glue
  dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
  ...
2019-01-14 10:34:14 +12:00
Li Yang
3c0d64e867 soc: fsl: guts: reuse machine name from device tree
Reuse the string machine from the device tree data structure instead
of duplicating the data again.  This also prevents a potential memory
allocation failure that was not handled previously.  Also fixes an early
put of root device node.

Reported-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 16:08:43 -06:00
Ioana Ciocoi Radulescu
8a533a7de2 soc: fsl: dpio: Change bpid type to u16
In all QBMan registers, the buffer pool id field is two bytes long.
The low level qbman APIs reflect this, but the high level DPIO ones
use u32. Modify them in order to avoid implicit downcasts.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Ioana Ciornei
47441f7f73 soc: fsl: dpio: add a device_link at dpaa2_io_service_register
Automatically add a device link between the actual device requesting the
dpaa2_io_service_register and the underlying dpaa2_io used. This link
will ensure that when a DPIO device, which is indirectly used by other
devices, is unbound any consumer devices will be also unbound from their
drivers.

For example, any DPNI, bound to the dpaa2-eth driver, which is using
DPIO devices will be unbound before its supplier device.

Also, add a new parameter to the dpaa2_io_service_[de]register functions
to specify the requesting device (ie the consumer).

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Ioana Ciocoi Radulescu
f1e250bf36 soc: fsl: dpio: Add prefetch instruction
In dpaa2_io_store_next(), if the current dequeue entry is not
the last, prefetch the next one as most likely it will be
requested shortly by the consumer driver.

This brings a ~3% improvement for dpaa2 ethernet driver
IP forwarding with small size frames.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Ioana Ciornei
cf9ff75d15 soc: fsl: dpio: store a backpointer to the device backing the dpaa2_io
Add a new field in the dpaa2_io structure to hold a backpointer to the
actual DPIO device.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Ioana Ciornei
9182ee2840 soc: fsl: dpio: keep a per dpio device MC portal
At the moment, the dpio-driver allocates an MC portal at probe time and
frees it right after usage. The same thing happens on the remove path.
This behavior could lead to scenarios where an MC portal is available
for use at probing but not longer free on the remove path which could
lead to unproper unbind of resources.

Change the driver's behavior in such a way that an MC portal is
allocated at probe and kept until the DPIO device is removed. This will
ensure that at any time after a DPIO device was successfully probed, all
its dependencies will be met.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Roy Pledge
11c8bac9b3 soc: fsl: dpio: perform DPIO Reset on Probe
Invoke a DPIO reset command when a DPIO device is probed. This
will ensure the QBMan portal is in the state the driver expects.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-11 15:06:54 -06:00
Lucas Stach
ae1d2add26 soc: imx: gpcv2: handle reset clocks
Some power domains handled by the GPCv2 driver need to enable the clocks
for devies inside the domain, so that the reset propagation and proper
power-up sequencing happens. Handle them in the same way as on GPCv1.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-01-11 15:12:59 +08:00
Lucas Stach
b798d5a1b0 soc: imx: gpcv2: handle additional power-down bits in handshake register
Some of the i.MX8MQ domains have an additional control bit in the PU
handshake (HSK) register. Documentation about this bit is a bit sparse
at the moment, but it seems that it controls a power-down request to
the AMBA domain bridge (ADB-400) attached to those domains.

As the documentation doesn't desribe the usage of this bit yet, handle
it in the same way as done in the ATF implementation.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-01-11 15:12:38 +08:00
Eric Anholt
670c672608 soc: bcm: bcm2835-pm: Add support for power domains under a new binding.
This provides a free software alternative to raspberrypi-power.c's
firmware calls to manage power domains.  It also exposes a reset line,
where previously the vc4 driver had to try to force power off the
domain in order to trigger a reset.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
2019-01-09 16:55:09 +01:00
Ioana Ciornei
991e873223 soc: fsl: dpio: use a cpumask to identify which cpus are unused
The current implementation of the dpio driver uses a static next_cpu
variable to keep track of the index of the next cpu available. This
approach does not handle well unbinding and binding dpio devices in a
random order. For example, unbinding a dpio and then binding it again
with the driver, will generate the below error:

$ echo dpio.5 > /sys/bus/fsl-mc/drivers/fsl_mc_dpio/unbind
$ echo dpio.5 > /sys/bus/fsl-mc/drivers/fsl_mc_dpio/bind
[  103.946380] fsl_mc_dpio dpio.5: probe failed. Number of DPIOs exceeds
NR_CPUS.
[  103.955157] fsl_mc_dpio dpio.5: fsl_mc_driver_probe failed: -34
-bash: echo: write error: No such device

Fix this error by keeping a global cpumask of unused cpus that will be
updated at every dpaa2_dpio_[probe,remove].

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-08 14:15:37 -06:00
Ioana Ciornei
e181a569d8 soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down
The dpio_by_cpu array should not contain a reference to a freed dpaa2_io
object. This patch adds the necessary cleanup in dpaa2_io_down.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-01-08 14:15:36 -06:00
Luis Chamberlain
750afb08ca cross-tree: phase out dma_zalloc_coherent()
We already need to zero out memory for dma_alloc_coherent(), as such
using dma_zalloc_coherent() is superflous. Phase it out.

This change was generated with the following Coccinelle SmPL patch:

@ replace_dma_zalloc_coherent @
expression dev, size, data, handle, flags;
@@

-dma_zalloc_coherent(dev, size, handle, flags)
+dma_alloc_coherent(dev, size, handle, flags)

Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
[hch: re-ran the script on the latest tree]
Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-01-08 07:58:37 -05:00
Biju Das
a64597227d soc: renesas: r8a774c0-sysc: Fix initialization order of 3DG-{A,B}
The workaround for the wrong hierarchy of the 3DG-{A,B} power domains on
RZ/G2E ES1.0 corrected the parent domains. However, the 3DG-{A,B} power
domains were still initialized and powered in the wrong order, causing
3DG operation to fail.

Fix this by changing the order in the table at runtime, when running on
an affected SoC.

This work is based on the work done by Geert for R-Car E3.

Fixes: f37d211c68 ("soc: renesas: rcar-sysc: Add r8a774c0 support")

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2019-01-07 14:51:51 +01:00
Arnd Bergmann
8070ba6348 ARM: shmobile: fix build regressions
A number of Kconfig options have become available now to random ARM
platforms outside of ARCH_MULTIPLATFORM, which now causes Kconfig
warnings, and other build errors when those select options that
lack additional dependencies, e.g.:

WARNING: unmet direct dependencies detected for HAVE_ARM_ARCH_TIMER
  Depends on [n]: CPU_V7 [=n]
  Selected by [y]:
  - ARCH_RCAR_GEN2 [=y] && SOC_RENESAS [=y]
  - ARCH_R8A73A4 [=y] && SOC_RENESAS [=y] && ARM [=y]

WARNING: unmet direct dependencies detected for SYS_SUPPORTS_EM_STI
  Depends on [n]: GENERIC_CLOCKEVENTS [=n]
  Selected by [y]:
  - ARCH_EMEV2 [=y] && SOC_RENESAS [=y] && ARM [=y]

Put the old dependency on ARCH_RENESAS back for the moment to restore
the previous behavior.

Fixes: 062887bf5e ("ARM: shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2019-01-07 13:31:05 +01:00
Wen Yang
8d68100ab4 soc/fsl/qe: fix err handling of ucc_of_parse_tdm
Currently there are some issues with the ucc_of_parse_tdm function:
1, a possible null pointer dereference in ucc_of_parse_tdm,
detected by the semantic patch deref_null.cocci,
with the following warning:
drivers/soc/fsl/qe/qe_tdm.c:177:21-24: ERROR: pdev is NULL but dereferenced.
2, dev gets modified, so in any case that devm_iounmap() will fail
even when the new pdev is valid, because the iomap was done with a
 different pdev.
3, there is no driver bind with the "fsl,t1040-qe-si" or
"fsl,t1040-qe-siram" device. So allocating resources using devm_*()
with these devices won't provide a cleanup path for these resources
when the caller fails.

This patch fixes them.

Suggested-by: Li Yang <leoyang.li@nxp.com>
Suggested-by: Christophe LEROY <christophe.leroy@c-s.fr>
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Peng Hao <peng.hao2@zte.com.cn>
CC: Julia Lawall <julia.lawall@lip6.fr>
CC: Zhao Qiang <qiang.zhao@nxp.com>
CC: David S. Miller <davem@davemloft.net>
CC: netdev@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-04 12:50:43 -08:00
Linus Torvalds
d36377c6eb ARM: SoC driver updates
Misc driver updates for platforms, many of them power related.
 
  - Rockchip adds power domain support for rk3066 and rk3188
  - Amlogic adds a power measurement driver
  - Allwinner adds SRAM support for three platforms (F1C100, H5, A64 C1)
  - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
  - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
    stability of a handful of firmware/platform interfaces
  - PXA completes their conversion to dmaengine framework
  - Renesas does a bunch of PM cleanups across many platforms
  - Tegra adds support for suspend/resume on T186/T194, which includes
    some driver cleanups and addition of wake events
  - Tegra also adds a driver for memory controller (EMC) on Tegra2
  - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in GPC
  - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
 
  + misc cleanups across several platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Misc driver updates for platforms, many of them power related.

   - Rockchip adds power domain support for rk3066 and rk3188

   - Amlogic adds a power measurement driver

   - Allwinner adds SRAM support for three platforms (F1C100, H5, A64
     C1)

   - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7

   - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
     stability of a handful of firmware/platform interfaces

   - PXA completes their conversion to dmaengine framework

   - Renesas does a bunch of PM cleanups across many platforms

   - Tegra adds support for suspend/resume on T186/T194, which includes
     some driver cleanups and addition of wake events

   - Tegra also adds a driver for memory controller (EMC) on Tegra2

   - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
     GPC

   - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60

  and misc cleanups across several platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: at91: add support in soc driver for new SAM9X60
  ARM: at91: add support in soc driver for LPDDR2 SiP
  memory: omap-gpmc: Use of_node_name_eq for node name comparisons
  bus: ti-sysc: Check for no-reset and no-idle flags at the child level
  ARM: OMAP2+: Check also the first dts child for hwmod flags
  soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
  soc: imx: gpc: Increase GPC_CLK_MAX to 7
  soc: renesas: rcar-sysc: Fix power domain control after system resume
  soc: renesas: rcar-sysc: Merge PM Domain registration and linking
  soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
  soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
  dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
  dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
  dt-bindings: sram: Add Allwinner suniv F1C100s
  soc: sunxi: sram: Add support for the H5 SoC system control
  soc: sunxi: sram: Enable EMAC clock access for H3 variant
  soc: imx: gpcv2: add support for i.MX8MQ SoC
  soc: imx: gpcv2: move register access table to domain data
  soc: imx: gpcv2: prefix i.MX7 specific defines
  dmaengine: pxa: make the filter function internal
  ...
2018-12-31 17:32:35 -08:00
Linus Torvalds
0922275ef1 ARM: SoC platform updates
SoC updates, mostly refactorings and cleanups of old legacy platforms,
 but also a few more things:
 
 New SoC support this release:
  - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
  - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core
 
 Cleanups of various platforms:
  - OMAP1 ams-delta does some GPIO cleanups
  - Davinci removes of at24 platform data
  - Samsung cleans up old wakeup, PM debug and secondary core boot code
  - Renesas moves around config options and PM code to drivers/soc for
    sharing with 64-bit and more consistency
  - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug console setups
  - SoCFPGA adds explicit selection of ARM errata and removes some unused code
 
 This tag also contains a few patches that I had queued up as fixes for
 4.20 but didn't send in before the release.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm SoC platform updates from Olof Johansson:
 "SoC updates, mostly refactorings and cleanups of old legacy platforms,
  but also a few more things:

  New SoC support this release:
   - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
   - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core

  Cleanups of various platforms:
   - OMAP1 ams-delta does some GPIO cleanups
   - Davinci removes of at24 platform data
   - Samsung cleans up old wakeup, PM debug and secondary core boot code
   - Renesas moves around config options and PM code to drivers/soc for
     sharing with 64-bit and more consistency
   - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug
     console setups
   - SoCFPGA adds explicit selection of ARM errata and removes some
     unused code

  This also contains a few patches that I had queued up as fixes for
  4.20 but didn't send in before the release"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
  arm64: dts: renesas: draak: Fix CVBS input
  ARM: omap2: avoid section mismatch warning
  ARM: tegra: avoid section mismatch warning
  ARM: ks8695: fix section mismatch warning
  ARM: pxa: avoid section mismatch warning
  ARM: mmp: fix pxa168_device_usb_phy use on aspenite
  ARM: mmp: fix timer_init calls
  ARM: OMAP1: fix USB configuration for device-only setups
  ARM: OMAP1: add MMC configuration for Palm Tungsten E
  ARM: imx: fix dependencies on imx7ulp
  ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
  MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
  ARM: imx: add initial support for imx7ulp
  ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port
  arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
  ARM: davinci: da850-evm: remove unnecessary include
  ...
2018-12-31 17:27:54 -08:00
Linus Torvalds
e0c38a4d1f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:

 1) New ipset extensions for matching on destination MAC addresses, from
    Stefano Brivio.

 2) Add ipv4 ttl and tos, plus ipv6 flow label and hop limit offloads to
    nfp driver. From Stefano Brivio.

 3) Implement GRO for plain UDP sockets, from Paolo Abeni.

 4) Lots of work from Michał Mirosław to eliminate the VLAN_TAG_PRESENT
    bit so that we could support the entire vlan_tci value.

 5) Rework the IPSEC policy lookups to better optimize more usecases,
    from Florian Westphal.

 6) Infrastructure changes eliminating direct manipulation of SKB lists
    wherever possible, and to always use the appropriate SKB list
    helpers. This work is still ongoing...

 7) Lots of PHY driver and state machine improvements and
    simplifications, from Heiner Kallweit.

 8) Various TSO deferral refinements, from Eric Dumazet.

 9) Add ntuple filter support to aquantia driver, from Dmitry Bogdanov.

10) Batch dropping of XDP packets in tuntap, from Jason Wang.

11) Lots of cleanups and improvements to the r8169 driver from Heiner
    Kallweit, including support for ->xmit_more. This driver has been
    getting some much needed love since he started working on it.

12) Lots of new forwarding selftests from Petr Machata.

13) Enable VXLAN learning in mlxsw driver, from Ido Schimmel.

14) Packed ring support for virtio, from Tiwei Bie.

15) Add new Aquantia AQtion USB driver, from Dmitry Bezrukov.

16) Add XDP support to dpaa2-eth driver, from Ioana Ciocoi Radulescu.

17) Implement coalescing on TCP backlog queue, from Eric Dumazet.

18) Implement carrier change in tun driver, from Nicolas Dichtel.

19) Support msg_zerocopy in UDP, from Willem de Bruijn.

20) Significantly improve garbage collection of neighbor objects when
    the table has many PERMANENT entries, from David Ahern.

21) Remove egdev usage from nfp and mlx5, and remove the facility
    completely from the tree as it no longer has any users. From Oz
    Shlomo and others.

22) Add a NETDEV_PRE_CHANGEADDR so that drivers can veto the change and
    therefore abort the operation before the commit phase (which is the
    NETDEV_CHANGEADDR event). From Petr Machata.

23) Add indirect call wrappers to avoid retpoline overhead, and use them
    in the GRO code paths. From Paolo Abeni.

24) Add support for netlink FDB get operations, from Roopa Prabhu.

25) Support bloom filter in mlxsw driver, from Nir Dotan.

26) Add SKB extension infrastructure. This consolidates the handling of
    the auxiliary SKB data used by IPSEC and bridge netfilter, and is
    designed to support the needs to MPTCP which could be integrated in
    the future.

27) Lots of XDP TX optimizations in mlx5 from Tariq Toukan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1845 commits)
  net: dccp: fix kernel crash on module load
  drivers/net: appletalk/cops: remove redundant if statement and mask
  bnx2x: Fix NULL pointer dereference in bnx2x_del_all_vlans() on some hw
  net/net_namespace: Check the return value of register_pernet_subsys()
  net/netlink_compat: Fix a missing check of nla_parse_nested
  ieee802154: lowpan_header_create check must check daddr
  net/mlx4_core: drop useless LIST_HEAD
  mlxsw: spectrum: drop useless LIST_HEAD
  net/mlx5e: drop useless LIST_HEAD
  iptunnel: Set tun_flags in the iptunnel_metadata_reply from src
  net/mlx5e: fix semicolon.cocci warnings
  staging: octeon: fix build failure with XFRM enabled
  net: Revert recent Spectre-v1 patches.
  can: af_can: Fix Spectre v1 vulnerability
  packet: validate address length if non-zero
  nfc: af_nfc: Fix Spectre v1 vulnerability
  phonet: af_phonet: Fix Spectre v1 vulnerability
  net: core: Fix Spectre v1 vulnerability
  net: minor cleanup in skb_ext_add()
  net: drop the unused helper skb_ext_get()
  ...
2018-12-27 13:04:52 -08:00
Roy Pledge
e80081c34b soc: fsl: dpio: Add BP and FQ query APIs
Add FQ (Frame Queue) and BP (Buffer Pool) query APIs that
users of QBMan can invoke to see the status of the queues
and pools that they are using.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19 10:37:22 -08:00
Jon Hunter
f9c380efa7 soc/tegra: pmc: Drop SMP dependency from CPU APIs
When CONFIG_SMP is disabled, the tegra clk driver now fails to build:

drivers/clk/tegra/clk-tegra30.c: In function ‘tegra30_cpu_rail_off_ready’:
drivers/clk/tegra/clk-tegra30.c:1151:2: error: implicit declaration of function ‘tegra_pmc_cpu_is_powered’ [-Werror=implicit-function-declaration]
  cpu_pwr_status = tegra_pmc_cpu_is_powered(1) ||
    ^
Fix the above error by removing the CONFIG_SMP ifdef around the
declaration around the PMC CPU APIs because although these are not
needed for non-SMP configurations, there is no harm in including these
for non-SMP builds either.

Fixes: 61866523ed6e ("clk: tegra30: Use Tegra CPU powergate helper function")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-12-14 13:32:55 -08:00
Olof Johansson
efa00b24fc AT91 SoC for 4.21:
- Add new SoC IDs
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Merge tag 'at91-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into next/drivers

AT91 SoC for 4.21:

 - Add new SoC IDs

* tag 'at91-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: at91: add support in soc driver for new SAM9X60
  ARM: at91: add support in soc driver for LPDDR2 SiP

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:38:50 -08:00
Olof Johansson
d1a1cc9a3f soc: amlogic: updates for v4.21, round 2
- meson-clk-measure: Add missing REGMAP_MMIO dependency
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Merge tag 'amlogic-drivers-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers

soc: amlogic: updates for v4.21, round 2
- meson-clk-measure: Add missing REGMAP_MMIO dependency

* tag 'amlogic-drivers-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:34:14 -08:00
Olof Johansson
e3154317a0 i.MX drivers change for 4.21:
- A series from Aisheng that improves SCU power domain bindings by
    defining '#power-domain-cells' as 1, and adds i.MX8 SCU power domain
    driver support on top of it.
  - A series from Lucas that updates gpcv2 driver for scalability and
    adds i.MX8MQ support into the driver.
  - Increase gpc driver GPC_CLK_MAX definition to 7, as DISPLAY power
    domain on imx6sx has 7 clocks.
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Merge tag 'imx-drivers-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers change for 4.21:
 - A series from Aisheng that improves SCU power domain bindings by
   defining '#power-domain-cells' as 1, and adds i.MX8 SCU power domain
   driver support on top of it.
 - A series from Lucas that updates gpcv2 driver for scalability and
   adds i.MX8MQ support into the driver.
 - Increase gpc driver GPC_CLK_MAX definition to 7, as DISPLAY power
   domain on imx6sx has 7 clocks.

* tag 'imx-drivers-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: Increase GPC_CLK_MAX to 7
  soc: imx: gpcv2: add support for i.MX8MQ SoC
  soc: imx: gpcv2: move register access table to domain data
  soc: imx: gpcv2: prefix i.MX7 specific defines
  firmware: imx: add SCU power domain driver
  firmware: imx: add pm svc headfile
  dt-bindings: fsl: scu: update power domain binding
  firmware: imx: remove resource id enums
  dt-bindings: imx: add scu resource id headfile

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:33:06 -08:00
Olof Johansson
8986f4c217 add helper functions to create and send commands to
the global command engine (GCE) device using the
 command queue driver (cmdq).
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Merge tag 'v4.20-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers

add helper functions to create and send commands to
the global command engine (GCE) device using the
command queue driver (cmdq).

* tag 'v4.20-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: Add Mediatek CMDQ helper

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:32:27 -08:00
Olof Johansson
bb7ece5fc4 Allwinner drivers changes for 4.21
Those patches are all about our SRAM driver, to enable new SoCs: the
 F1c100s, the H5 and the A64 C1 SRAM, that is used by the video decoding
 engine.
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Merge tag 'sunxi-drivers-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers

Allwinner drivers changes for 4.21

Those patches are all about our SRAM driver, to enable new SoCs: the
F1c100s, the H5 and the A64 C1 SRAM, that is used by the video decoding
engine.

* tag 'sunxi-drivers-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
  dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
  dt-bindings: sram: Add Allwinner suniv F1C100s
  soc: sunxi: sram: Add support for the H5 SoC system control
  soc: sunxi: sram: Enable EMAC clock access for H3 variant
  soc: sunxi: Change to use DEFINE_SHOW_ATTRIBUTE macro

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:31:43 -08:00
Olof Johansson
4a598c7b3f soc/tegra: Changes for v4.21-rc1
These changes are mostly cleanups to the PMC driver, but they also add
 support for wake events on Tegra186 and Tegra194, which can be used to
 wake the system from sleep. With this and the corresponding device
 tree additions suspend/resume is finally working on these SoCs.
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Merge tag 'tegra-for-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.21-rc1

These changes are mostly cleanups to the PMC driver, but they also add
support for wake events on Tegra186 and Tegra194, which can be used to
wake the system from sleep. With this and the corresponding device
tree additions suspend/resume is finally working on these SoCs.

* tag 'tegra-for-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Add initial Tegra194 wake events
  soc/tegra: pmc: Add initial Tegra186 wake events
  soc/tegra: pmc: Add wake event support
  soc/tegra: pmc: Add Tegra194 support
  soc/tegra: pmc: Change to use DEFINE_SHOW_ATTRIBUTE macro
  soc/tegra: Don't leak device tree node reference
  soc/tegra: fuse: Remove duplicated function declaration
  soc/tegra: pmc: Drop locking from tegra_powergate_is_powered()
  soc/tegra: pmc: Add sysfs entries for reset info
  soc/tegra: pmc: Don't power-up XUSB power-domains

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:28:24 -08:00
Olof Johansson
48ff08dd9a Renesas ARM Based SoC Drivers Updates for v4.21
SYSC Driver:
 * Common
   - Fix power domain control after system resume
   - Merge PM Domain registration and linking
   - Remove rcar_sysc_power_{down,up}() helpers
 * R-Car E3 (r8a77990) SoC
   - Fix initialization order of 3DG-{A,B}
 * R-Car V3H (r8a77980) SoC
   - Correct A3VIP[012] power domain hierarchy
   - Correct names of A2DP[01] power domains
 * R-Car V3M (r8a77970) SoC
   - Correct names of A2DP/A2CN power domains
   - emove non-existent CR7 power domain
 * R-Car M3-N (r8a77965) SoC
   - Remove non-existent A3IR power domain
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Merge tag 'renesas-drivers-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Drivers Updates for v4.21

SYSC Driver:
* Common
  - Fix power domain control after system resume
  - Merge PM Domain registration and linking
  - Remove rcar_sysc_power_{down,up}() helpers
* R-Car E3 (r8a77990) SoC
  - Fix initialization order of 3DG-{A,B}
* R-Car V3H (r8a77980) SoC
  - Correct A3VIP[012] power domain hierarchy
  - Correct names of A2DP[01] power domains
* R-Car V3M (r8a77970) SoC
  - Correct names of A2DP/A2CN power domains
  - emove non-existent CR7 power domain
* R-Car M3-N (r8a77965) SoC
  - Remove non-existent A3IR power domain

* tag 'renesas-drivers-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Fix power domain control after system resume
  soc: renesas: rcar-sysc: Merge PM Domain registration and linking
  soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
  soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
  soc: renesas: r8a77980-sysc: Correct A3VIP[012] power domain hierarchy
  soc: renesas: r8a77980-sysc: Correct names of A2DP[01] power domains
  soc: renesas: r8a77970-sysc: Correct names of A2DP/A2CN power domains
  soc: renesas: r8a77970-sysc: Remove non-existent CR7 power domain
  soc: renesas: r8a77965-sysc: Remove non-existent A3IR power domain

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-12-12 13:27:40 -08:00