15814 Commits

Author SHA1 Message Date
Linus Torvalds
5011bb9fbb ARM: SoC changes for v5.12
This is mostly 32-bit code for SoC platforms, and looks smaller
 than any such branch I remember from previous kernels, as most
 of this is now handled in other subsystems for modern platforms:
 
 - Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
   Renesas, and Samsung
 
 - Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung
 
 - Samsung SoC driver updates to make them loadable modules
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "This is mostly 32-bit code for SoC platforms, and looks smaller than
  any such branch I remember from previous kernels, as most of this is
  now handled in other subsystems for modern platforms:

   - Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
     Renesas, and Samsung

   - Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung

   - Samsung SoC driver updates to make them loadable modules"

* tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: arm: samsung: include S3C headers in platform entry
  MAINTAINERS: Add linux-actions ML for Actions Semi Arch
  ARM: s3c: irq-s3c24xx: staticize local functions
  ARM: s3c: irq-s3c24xx: include headers for missing declarations
  ARM: s3c: fix fiq for clang IAS
  ARM: imx: Remove unused IMX_GPIO_NR() macro
  soc: renesas: rcar-sysc: Mark device node OF_POPULATED after init
  ARM: OMAP2+: fix spellint typo
  MAINTAINERS: Update address for OMAP GPMC driver
  soc: renesas: rcar-sysc: Use readl_poll_timeout_atomic()
  ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
  ARM: brcmstb: Add debug UART entry for 72116
  ARM: tegra: Don't enable unused PLLs on resume from suspend
  soc: samsung: pm_domains: Convert to regular platform driver
  soc: samsung: exynos-chipid: correct helpers __init annotation
  ARM: mach-imx: imx6ul: Print SOC revision on boot
  ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup
  soc: samsung: exynos-chipid: convert to driver and merge exynos-asv
  soc: samsung: exynos-asv: handle reading revision register error
  soc: samsung: exynos-asv: don't defer early on not-supported SoCs
2021-02-20 18:20:06 -08:00
Linus Torvalds
584ce3c9b4 SoC platform removal
There are a lot of platforms that have not seen any interesting code
 changes in the past five years or more.
 
 I made a list and asked around which ones are no longer in use [1], and
 received confirmation about six ARM platforms and the TI C6x architecture
 that have all reached the end of their life upstream, with no known
 users remaining:
 
  - efm32 -- added in 2011, first Cortex-M, no notable changes after 2013
  - picoxcell -- added in 2011, abandoned after 2012 acquisition
  - prima2 -- added in 20111, no notable changes since 2015
  - tango -- added in 2015, sporadic changes until 2017, but abandoned
  - u300 -- added in 2009, no notable changes since 2013
  - zx --added in 2015 for both 32, 2017 for 64 bit, no notable changes
  - arch/c6x -- added in 2011, but work stalled soon after that
 
 A number of other platforms on the original list turned out to still
 have users. In some cases there are out-of-tree patches and users
 that plan to contribute them in the future, in other cases the code
 is complete and works reliably.
 
 [1] https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform removals from Arnd Bergmann:
 "There are a lot of platforms that have not seen any interesting code
  changes in the past five years or more.

  I made a list and asked around which ones are no longer in use, and
  received confirmation about six ARM platforms and the TI C6x
  architecture that have all reached the end of their life upstream,
  with no known users remaining:

   - efm32 - added in 2011, first Cortex-M, no notable changes after 2013

   - picoxcell - added in 2011, abandoned after 2012 acquisition

   - prima2 - added in 20111, no notable changes since 2015

   - tango - added in 2015, sporadic changes until 2017, but abandoned

   - u300 - added in 2009, no notable changes since 2013

   - zx - added in 2015 for both 32, 2017 for 64 bit, no notable changes

   - arch/c6x - added in 2011, but work stalled soon after that

  A number of other platforms on the original list turned out to still
  have users. In some cases there are out-of-tree patches and users that
  plan to contribute them in the future, in other cases the code is
  complete and works reliably"

Link: https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/

* tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: remove u300 platform
  ARM: remove tango platform
  ARM: remove zte zx platform
  ARM: remove sirf prima2/atlas platforms
  c6x: remove architecture
  MAINTAINERS: Remove deleted platform efm32
  ARM: drop efm32 platform
  ARM: Remove PicoXcell platform support
  ARM: dts: Remove PicoXcell platforms
2021-02-20 18:16:30 -08:00
Linus Torvalds
7ddfe9a6a3 ARM: SoC fixes for v5.11
There are only two remaining non-urgent ARM SoC bug fixes that
 could still apply for v5.11, or for the v5.12 merge window:
 
 - A build fix for the Atmel SAM9 platform to allow building
   with the clang integrated assembler
 
 - A DT fix for ethernet on Intel SoCFPGA, this has been broken
   since it was added in v5.4.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-fixes-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "There are only two left-over remaining non-urgent ARM SoC bug fixes:

   - A build fix for the Atmel SAM9 platform to allow building with the
     clang integrated assembler

   - A DT fix for ethernet on Intel SoCFPGA, this has been broken since
     it was added in v5.4"

* tag 'arm-fixes-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: at91: use proper asm syntax in pm_suspend
  arm64: dts: agilex: fix phy interface bit shift for gmac1 and gmac2
2021-02-20 18:09:40 -08:00
Linus Torvalds
51e6d17809 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
 "Here is what we have this merge window:

   1) Support SW steering for mlx5 Connect-X6Dx, from Yevgeny Kliteynik.

   2) Add RSS multi group support to octeontx2-pf driver, from Geetha
      Sowjanya.

   3) Add support for KS8851 PHY. From Marek Vasut.

   4) Add support for GarfieldPeak bluetooth controller from Kiran K.

   5) Add support for half-duplex tcan4x5x can controllers.

   6) Add batch skb rx processing to bcrm63xx_enet, from Sieng Piaw
      Liew.

   7) Rework RX port offload infrastructure, particularly wrt, UDP
      tunneling, from Jakub Kicinski.

   8) Add BCM72116 PHY support, from Florian Fainelli.

   9) Remove Dsa specific notifiers, they are unnecessary. From Vladimir
      Oltean.

  10) Add support for picosecond rx delay in dwmac-meson8b chips. From
      Martin Blumenstingl.

  11) Support TSO on xfrm interfaces from Eyal Birger.

  12) Add support for MP_PRIO to mptcp stack, from Geliang Tang.

  13) Support BCM4908 integrated switch, from Rafał Miłecki.

  14) Support for directly accessing kernel module variables via module
      BTF info, from Andrii Naryiko.

  15) Add DASH (esktop and mobile Architecture for System Hardware)
      support to r8169 driver, from Heiner Kallweit.

  16) Add rx vlan filtering to dpaa2-eth, from Ionut-robert Aron.

  17) Add support for 100 base0x SFP devices, from Bjarni Jonasson.

  18) Support link aggregation in DSA, from Tobias Waldekranz.

  19) Support for bitwidse atomics in bpf, from Brendan Jackman.

  20) SmartEEE support in at803x driver, from Russell King.

  21) Add support for flow based tunneling to GTP, from Pravin B Shelar.

  22) Allow arbitrary number of interconnrcts in ipa, from Alex Elder.

  23) TLS RX offload for bonding, from Tariq Toukan.

  24) RX decap offklload support in mac80211, from Felix Fietkou.

  25) devlink health saupport in octeontx2-af, from George Cherian.

  26) Add TTL attr to SCM_TIMESTAMP_OPT_STATS, from Yousuk Seung

  27) Delegated actionss support in mptcp, from Paolo Abeni.

  28) Support receive timestamping when doin zerocopy tcp receive. From
      Arjun Ray.

  29) HTB offload support for mlx5, from Maxim Mikityanskiy.

  30) UDP GRO forwarding, from Maxim Mikityanskiy.

  31) TAPRIO offloading in dsa hellcreek driver, from Kurt Kanzenbach.

  32) Weighted random twos choice algorithm for ipvs, from Darby Payne.

  33) Fix netdev registration deadlock, from Johannes Berg.

  34) Various conversions to new tasklet api, from EmilRenner Berthing.

  35) Bulk skb allocations in veth, from Lorenzo Bianconi.

  36) New ethtool interface for lane setting, from Danielle Ratson.

  37) Offload failiure notifications for routes, from Amit Cohen.

  38) BCM4908 support, from Rafał Miłecki.

  39) Support several new iwlwifi chips, from Ihab Zhaika.

  40) Flow drector support for ipv6 in i40e, from Przemyslaw Patynowski.

  41) Support for mhi prrotocols, from Loic Poulain.

  42) Optimize bpf program stats.

  43) Implement RFC6056, for better port randomization, from Eric
      Dumazet.

  44) hsr tag offloading support from George McCollister.

  45) Netpoll support in qede, from Bhaskar Upadhaya.

  46) 2005/400g speed support in bonding 3ad mode, from Nikolay
      Aleksandrov.

  47) Netlink event support in mptcp, from Florian Westphal.

  48) Better skbuff caching, from Alexander Lobakin.

  49) MRP (Media Redundancy Protocol) offloading in DSA and a few
      drivers, from Horatiu Vultur.

  50) mqprio saupport in mvneta, from Maxime Chevallier.

  51) Remove of_phy_attach, no longer needed, from Florian Fainelli"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1766 commits)
  octeontx2-pf: Fix otx2_get_fecparam()
  cteontx2-pf: cn10k: Prevent harmless double shift bugs
  net: stmmac: Add PCI bus info to ethtool driver query output
  ptp: ptp_clockmatrix: clean-up - parenthesis around a == b are unnecessary
  ptp: ptp_clockmatrix: Simplify code - remove unnecessary `err` variable.
  ptp: ptp_clockmatrix: Coding style - tighten vertical spacing.
  ptp: ptp_clockmatrix: Clean-up dev_*() messages.
  ptp: ptp_clockmatrix: Remove unused header declarations.
  ptp: ptp_clockmatrix: Add alignment of 1 PPS to idtcm_perout_enable.
  ptp: ptp_clockmatrix: Add wait_for_sys_apll_dpll_lock.
  net: stmmac: dwmac-sun8i: Add a shutdown callback
  net: stmmac: dwmac-sun8i: Minor probe function cleanup
  net: stmmac: dwmac-sun8i: Use reset_control_reset
  net: stmmac: dwmac-sun8i: Remove unnecessary PHY power check
  net: stmmac: dwmac-sun8i: Return void from PHY unpower
  r8169: use macro pm_ptr
  net: mdio: Remove of_phy_attach()
  net: mscc: ocelot: select PACKING in the Kconfig
  net: re-solve some conflicts after net -> net-next merge
  net: dsa: tag_rtl4_a: Support also egress tags
  ...
2021-02-20 17:45:32 -08:00
Nobuhiro Iwamatsu
ec8a42e734 arm: dts: visconti: Add DT support for Toshiba Visconti5 ethernet controller
Add the ethernet controller node in Toshiba Visconti5 SoC-specific DT file.
And enable this node in TMPV7708 RM main board's board-specific DT file.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-15 14:59:35 -08:00
Linus Torvalds
93908500b8 Fix PTRACE_PEEKMTETAGS access to an mmapped region before the first
write.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "Fix PTRACE_PEEKMTETAGS access to an mmapped region before the first
  write"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero page
2021-02-12 11:03:30 -08:00
Catalin Marinas
68d54ceeec arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero page
The ptrace(PTRACE_PEEKMTETAGS) implementation checks whether the user
page has valid tags (mapped with PROT_MTE) by testing the PG_mte_tagged
page flag. If this bit is cleared, ptrace(PTRACE_PEEKMTETAGS) returns
-EIO.

A newly created (PROT_MTE) mapping points to the zero page which had its
tags zeroed during cpu_enable_mte(). If there were no prior writes to
this mapping, ptrace(PTRACE_PEEKMTETAGS) fails with -EIO since the zero
page does not have the PG_mte_tagged flag set.

Set PG_mte_tagged on the zero page when its tags are cleared during
boot. In addition, to avoid ptrace(PTRACE_PEEKMTETAGS) succeeding on
!PROT_MTE mappings pointing to the zero page, change the
__access_remote_tags() check to (vm_flags & VM_MTE) instead of
PG_mte_tagged.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fixes: 34bfeea4a9e9 ("arm64: mte: Clear the tags when a page is mapped in user-space with PROT_MTE")
Cc: <stable@vger.kernel.org> # 5.10.x
Cc: Will Deacon <will@kernel.org>
Reported-by: Luis Machado <luis.machado@linaro.org>
Tested-by: Luis Machado <luis.machado@linaro.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210210180316.23654-1-catalin.marinas@arm.com
2021-02-12 16:08:31 +00:00
Konstantin Porotchkin
60523583b0 dts: marvell: add CM3 SRAM memory to cp11x ethernet device tree
CM3 SRAM address space will be used for Flow Control configuration.

Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Acked-by: Marcin Wojtas <mw@semihalf.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 14:50:23 -08:00
David S. Miller
dc9d87581d Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-02-10 13:30:12 -08:00
Linus Torvalds
6157ce59bf x86 has lots of small bugfixes, mostly one liners. It's quite late in
5.11-rc but none of them are related to this merge window; it's just
 bugs coming in at the wrong time.  Of note among the others:
 - "KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off"
   (live migration failure seen on distros that hadn't switched to tsx=off
   right away)
 
 ARM:
 - Avoid clobbering extra registers on initialisation
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "x86 has lots of small bugfixes, mostly one liners. It's quite late in
  5.11-rc but none of them are related to this merge window; it's just
  bugs coming in at the wrong time.

  Of note among the others is "KVM: x86: Allow guests to see
  MSR_IA32_TSX_CTRL even if tsx=off" that fixes a live migration failure
  seen on distros that hadn't switched to tsx=off right away.

  ARM:
  - Avoid clobbering extra registers on initialisation"

[ Sean Christopherson notes that commit 943dea8af21b ("KVM: x86: Update
  emulator context mode if SYSENTER xfers to 64-bit mode") should have
  had authorship credited to Jonny Barker, not to him.  - Linus ]

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Set so called 'reserved CR3 bits in LM mask' at vCPU reset
  KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs
  KVM: x86: cleanup CR3 reserved bits checks
  KVM: SVM: Treat SVM as unsupported when running as an SEV guest
  KVM: x86: Update emulator context mode if SYSENTER xfers to 64-bit mode
  KVM: x86: Supplement __cr4_reserved_bits() with X86_FEATURE_PCID check
  KVM/x86: assign hva with the right value to vm_munmap the pages
  KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off
  Fix unsynchronized access to sev members through svm_register_enc_region
  KVM: Documentation: Fix documentation for nested.
  KVM: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl
  KVM: arm64: Don't clobber x4 in __do_hyp_init
2021-02-05 10:03:01 -08:00
Dinh Nguyen
b7ff3a447d arm64: dts: agilex: fix phy interface bit shift for gmac1 and gmac2
The shift for the phy_intf_sel bit in the system manager for gmac1 and
gmac2 should be 0.

Fixes: 2f804ba7aa9ee ("arm64: dts: agilex: Add SysMgr to Ethernet nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-02-04 22:29:00 -06:00
Linus Torvalds
3afe9076a7 Fix the arm64 linear map range detection for tagged addresses and
replace the bitwise operations with subtract (virt_addr_valid(),
 __is_lm_address(), __lm_to_phys()).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 "Fix the arm64 linear map range detection for tagged addresses and
  replace the bitwise operations with subtract (virt_addr_valid(),
  __is_lm_address(), __lm_to_phys())"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Use simpler arithmetics for the linear map macros
  arm64: Do not pass tagged addresses to __is_lm_address()
2021-02-03 11:03:40 -08:00
Linus Torvalds
54fe3ffef0 ARM: SoC fixes for v5.11, part 3
The code fixes in this round are all for the Texas Instruments OMAP
 platform, addressing several regressions related to the ti-sysc
 interconnect changes that was merged in linux-5.11 and one recently
 introduced RCU usage warning.
 
 Tero Kristo updates his maintainer file entries as he is changing
 to a new employer.
 
 The other changes are for devicetree files across eight different
 platforms:
 
 TI OMAP:
  - multiple gpio related one-line fixes
 
 Allwinner/sunxi:
  - ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
  - soc: sunxi: mbus: Remove DE2 display engine compatibles
 
 NXP lpc32xx:
  - ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
 
 STMicroelectronics stm32
  - multiple minor fixes for DHCOM/DHCOR boards
 
 NXP Layerscape:
  - Fix DCFG address range on LS1046A SoC
 
 Amlogic meson:
  - fix reboot issue on odroid C4
  - revert an ethernet change that caused a regression
  - meson-g12: Set FL-adj property value
 
 Rockchip:
  - multiple minor fixes on 64-bit rockchip machines
 
 Qualcomm:
  - Regression fixes for Lenovo Yoga touchpad and for
    interconnect configuration
  - Boot fixes for 'LPASS' clock configuration on two machines
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "The code fixes in this round are all for the Texas Instruments OMAP
  platform, addressing several regressions related to the ti-sysc
  interconnect changes that was merged in linux-5.11 and one recently
  introduced RCU usage warning.

  Tero Kristo updates his maintainer file entries as he is changing to a
  new employer.

  The other changes are for devicetree files across eight different
  platforms:

  TI OMAP:
   - multiple gpio related one-line fixes

  Allwinner/sunxi:
   - ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
   - soc: sunxi: mbus: Remove DE2 display engine compatibles

  NXP lpc32xx:
   - ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL

  STMicroelectronics stm32
   - multiple minor fixes for DHCOM/DHCOR boards

  NXP Layerscape:
   - Fix DCFG address range on LS1046A SoC

  Amlogic meson:
   - fix reboot issue on odroid C4
   - revert an ethernet change that caused a regression
   - meson-g12: Set FL-adj property value

  Rockchip:
   - multiple minor fixes on 64-bit rockchip machines

  Qualcomm:
   - Regression fixes for Lenovo Yoga touchpad and for interconnect
     configuration
   - Boot fixes for 'LPASS' clock configuration on two machines"

* tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
  ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
  ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
  arm64: dts: ls1046a: fix dcfg address range
  soc: sunxi: mbus: Remove DE2 display engine compatibles
  arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
  Revert "arm64: dts: amlogic: add missing ethernet reset ID"
  arm64: dts: rockchip: Disable display for NanoPi R2S
  ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
  arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
  drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
  ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
  ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
  ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02
  ARM: dts: stm32: Fix GPIO hog flags on DHCOM PicoITX
  ARM: dts: stm32: Fix GPIO hog names on DHCOM
  ARM: dts: stm32: Disable optional TSC2004 on DRC02 board
  ARM: dts: stm32: Disable WP on DHCOM uSD slot
  ARM: dts: stm32: Connect card-detect signal on DHCOM
  ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detect
  arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
  ...
2021-02-03 09:50:59 -08:00
Jakub Kicinski
d1e1355aef Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-02 14:21:31 -08:00
Arnd Bergmann
f79bf56fb2 This pull request contains Broadcom ARM-based SoCs Kconfig/machine entry
changes for 5.12, please pull the following:
 
 - Maxime adds a select of the Broadcom STB standard L2 interrupt
   controller driver which is used in the Raspberry Pi 4 HDMI controller to
   support I2C and CEC interrupts
 
 - Florian adds a debug URT entry for the 72116 STB SoC
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Merge tag 'arm-soc/for-5.12/soc' of https://github.com/Broadcom/stblinux into arm/soc

This pull request contains Broadcom ARM-based SoCs Kconfig/machine entry
changes for 5.12, please pull the following:

- Maxime adds a select of the Broadcom STB standard L2 interrupt
  controller driver which is used in the Raspberry Pi 4 HDMI controller to
  support I2C and CEC interrupts

- Florian adds a debug URT entry for the 72116 STB SoC

* tag 'arm-soc/for-5.12/soc' of https://github.com/Broadcom/stblinux:
  ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
  ARM: brcmstb: Add debug UART entry for 72116

Link: https://lore.kernel.org/r/20210131221721.685974-6-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-02-02 22:30:35 +01:00
Arnd Bergmann
62c31574cd i.MX fixes for 5.11, round 3:
- Fix DCFG address range on LS1046A SoC.
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Merge tag 'imx-fixes-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.11, round 3:

- Fix DCFG address range on LS1046A SoC.

* tag 'imx-fixes-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: ls1046a: fix dcfg address range

Link: https://lore.kernel.org/r/20210202071441.GP907@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-02-02 21:52:37 +01:00
Catalin Marinas
22cd5edb2d arm64: Use simpler arithmetics for the linear map macros
Because of the tagged addresses, the __is_lm_address() and
__lm_to_phys() macros grew to some harder to understand bitwise
operations using PAGE_OFFSET. Since these macros only accept untagged
addresses, use a simple subtract operation.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-3-catalin.marinas@arm.com
2021-02-02 17:45:09 +00:00
Catalin Marinas
91cb2c8b07 arm64: Do not pass tagged addresses to __is_lm_address()
Commit 519ea6f1c82f ("arm64: Fix kernel address detection of
__is_lm_address()") fixed the incorrect validation of addresses below
PAGE_OFFSET. However, it no longer allowed tagged addresses to be passed
to virt_addr_valid().

Fix this by explicitly resetting the pointer tag prior to invoking
__is_lm_address(). This is consistent with the __lm_to_phys() macro.

Fixes: 519ea6f1c82f ("arm64: Fix kernel address detection of __is_lm_address()")
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-2-catalin.marinas@arm.com
2021-02-02 17:44:47 +00:00
Zyta Szpak
aa880c6f3e arm64: dts: ls1046a: fix dcfg address range
Dcfg was overlapping with clockgen address space which resulted
in failure in memory allocation for dcfg. According regs description
dcfg size should not be bigger than 4KB.

Signed-off-by: Zyta Szpak <zr@semihalf.com>
Fixes: 8126d88162a5 ("arm64: dts: add QorIQ LS1046A SoC support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-30 21:28:23 +08:00
Linus Torvalds
0e9bcda5d2 arm64 fixes:
- Fix the virt_addr_valid() returning true for < PAGE_OFFSET addresses.
 
 - Do not blindly trust the DMA masks from ACPI/IORT.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Fix the virt_addr_valid() returning true for < PAGE_OFFSET addresses.

 - Do not blindly trust the DMA masks from ACPI/IORT.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  ACPI/IORT: Do not blindly trust DMA masks from firmware
  arm64: Fix kernel address detection of __is_lm_address()
2021-01-29 13:59:24 -08:00
Jakub Kicinski
c358f95205 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/can/dev.c
  b552766c872f ("can: dev: prevent potential information leak in can_fill_info()")
  3e77f70e7345 ("can: dev: move driver related infrastructure into separate subdir")
  0a042c6ec991 ("can: dev: move netlink related code into seperate file")

  Code move.

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
  57ac4a31c483 ("net/mlx5e: Correctly handle changing the number of queues when the interface is down")
  214baf22870c ("net/mlx5e: Support HTB offload")

  Adjacent code changes

net/switchdev/switchdev.c
  20776b465c0c ("net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP")
  ffb68fc58e96 ("net: switchdev: remove the transaction structure from port object notifiers")
  bae33f2b5afe ("net: switchdev: remove the transaction structure from port attributes")

  Transaction parameter gets dropped otherwise keep the fix.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-28 17:09:31 -08:00
Paolo Bonzini
074489b77a KVM/arm64 fixes for 5.11, take #3
- Avoid clobbering extra registers on initialisation
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Merge tag 'kvmarm-fixes-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.11, take #3

- Avoid clobbering extra registers on initialisation
2021-01-28 13:02:49 -05:00
Linus Torvalds
7485e08eec ARM: SoC fixes for v5.11, part 2
These are the current arm-soc bug fixes for linux-5.11. I already merged
 a larger set that just came in during the past three days but has not
 had much exposure in linux-next, so these are the ones I merged last week.
 
 Most of these are for the NXP i.MX platform (descriptions from their
 pull request):
 
  - Fix pcf2127 reset for imx7d-flex-concentrator board.
  - Fix i.MX6 suspend with Thumb-2 kernel.
  - Fix ethernet-phy address issue on imx6qdl-sr-som board.
  - Fix GPIO3 `gpio-ranges` on i.MX8MP.
  - Select SOC_BUS for IMX_SCU driver to fix build issue.
  - Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
    #pwm-cells conversion.
  - Fix duplicated bus node name for i.MX8MN SoC.
  - Fix reset register offset on LS1028A SoC.
  - Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
    index consistent with previous kernel version.
  - Selecting ARM_GIC_V3 on non-CP15 processors to fix one build failure
    with i.MX8M SoC driver.
  - Fix typos with status property on imx6qdl-kontron-samx6i board.
  - Fix duplicated regulator-name on imx6qdl-gw52xx board.
 
 Aside from i.MX, the bugfixes are all over the place:
 
  - Coccinelle found a refcount imbalance on integrator
  - defconfig fix for TI K3
  - A boot regression fix for ST ux500
  - A code preemption fix for the optee driver
  - USB DMA regression on Broadcom Stingray
  - A bogus boot time warning fix for at91 code
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "These are the current arm-soc bug fixes for linux-5.11. I already
  merged a larger set that just came in during the past three days but
  has not had much exposure in linux-next, but this is the subset I
  merged last week.

  Most of these are for the NXP i.MX platform (descriptions from their
  pull request):

   - Fix pcf2127 reset for imx7d-flex-concentrator board.
   - Fix i.MX6 suspend with Thumb-2 kernel.
   - Fix ethernet-phy address issue on imx6qdl-sr-som board.
   - Fix GPIO3 `gpio-ranges` on i.MX8MP.
   - Select SOC_BUS for IMX_SCU driver to fix build issue.
   - Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
     #pwm-cells conversion.
   - Fix duplicated bus node name for i.MX8MN SoC.
   - Fix reset register offset on LS1028A SoC.
   - Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
     index consistent with previous kernel version.
   - Selecting ARM_GIC_V3 on non-CP15 processors to fix one build
     failure with i.MX8M SoC driver.
   - Fix typos with status property on imx6qdl-kontron-samx6i board.
   - Fix duplicated regulator-name on imx6qdl-gw52xx board.

  Aside from i.MX, the bugfixes are all over the place:

   - Coccinelle found a refcount imbalance on integrator
   - defconfig fix for TI K3
   - A boot regression fix for ST ux500
   - A code preemption fix for the optee driver
   - USB DMA regression on Broadcom Stingray
   - A bogus boot time warning fix for at91 code"

* tag 'arm-soc-fixes-v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: Include bcm2835 subsequents into search
  arm64: dts: broadcom: Fix USB DMA address translation for Stingray
  drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[]
  drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs
  tee: optee: replace might_sleep with cond_resched
  firmware: imx: select SOC_BUS to fix firmware build
  arm64: dts: imx8mp: Correct the gpio ranges of gpio3
  ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms
  ARM: imx: build suspend-imx6.S with arm instruction set
  ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset
  ARM: dts: ux500: Reserve memory carveouts
  arm64: defconfig: Drop unused K3 SoC specific options
  bus: arm-integrator-lm: Add of_node_put() before return statement
  ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming
  ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status
  ARM: imx: fix imx8m dependencies
  ARM: dts: tbs2910: rename MMC node aliases
  arm64: dts: ls1028a: fix the offset of the reset register
  arm64: dts: imx8mn: Fix duplicate node name
  ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight
2021-01-28 09:57:33 -08:00
Arnd Bergmann
e2fc2de8e1 arm64: dts: amlogic fixes for v5.11-rc (round 3)
- fix reboot issue on odroid C4
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Merge tag 'amlogic-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes

arm64: dts: amlogic fixes for v5.11-rc (round 3)
- fix reboot issue on odroid C4

* tag 'amlogic-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4

Link: https://lore.kernel.org/r/7hk0ryi6rs.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-28 13:58:20 +01:00
Arnd Bergmann
fd28a52a4f arm64: dts: amlogic fixes for v5.11-rc (round 2)
- fix ethernet resets
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Merge tag 'amlogic-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes

arm64: dts: amlogic fixes for v5.11-rc (round 2)
- fix ethernet resets

* tag 'amlogic-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  Revert "arm64: dts: amlogic: add missing ethernet reset ID"

Link: https://lore.kernel.org/r/7ho8hai7e6.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-28 13:57:11 +01:00
Arnd Bergmann
f2d514b4f4 Wrong irq number on px30 and cleanups of stuff on rk3399 regarding
wrongly used dt properties and parts that shouldn't be enabled.
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Merge tag 'v5.11-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes

Wrong irq number on px30 and cleanups of stuff on rk3399 regarding
wrongly used dt properties and parts that shouldn't be enabled.

* tag 'v5.11-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: Disable display for NanoPi R2S
  arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
  arm64: dts: rockchip: Fix PCIe DT properties on rk3399
  arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook Pro
  arm64: dts: rockchip: fix vopl iommu irq on px30

Link: https://lore.kernel.org/r/5429065.DvuYhMxLoT@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-28 13:55:35 +01:00
Marek Szyprowski
daf12bee07 arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
For the proper reboot Odroid-C4 board requires to switch TFLASH_VDD_EN
pin to the high impedance mode, otherwise the board is stuck in the
middle of loading early stages of the bootloader from SD card.

This can be achieved by using the OPEN_DRAIN flag instead of the
ACTIVE_HIGH, what will leave the pin in input mode to achieve high state
(pin has the pull-up) and solve the issue.

Suggested-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: 326e57518b0d ("arm64: dts: meson-sm1: add support for Hardkernel ODROID-C4")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210122055218.27241-1-m.szyprowski@samsung.com
2021-01-27 10:08:23 -08:00
Arnd Bergmann
082153866e Qualcomm ARM64 defconfig fixes for v5.11
Devicetree patches for SDM845 introduced in v5.11 requires the
 platform's interconnect driver to be buildin, or the kernel will fail to
 provide a valid console when we hit userspace.
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Merge tag 'qcom-arm64-defconfig-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm ARM64 defconfig fixes for v5.11

Devicetree patches for SDM845 introduced in v5.11 requires the
platform's interconnect driver to be buildin, or the kernel will fail to
provide a valid console when we hit userspace.

* tag 'qcom-arm64-defconfig-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: defconfig: Make INTERCONNECT_QCOM_SDM845 builtin

Link: https://lore.kernel.org/r/20210125232412.642834-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-26 21:24:35 +01:00
Arnd Bergmann
3de834b292 Qualcomm ARM64 fixes for 5.11
This fixes a regression in Lenovo Yoga C630, where the touchpad in some
 units stopped working, by re-enabling the "tsc2" device.
 
 It also marks the LPASS related clocks as protected to allow DB845c and
 the Lenovo Yoga C630 to boot even if CONFIG_SDM_LPASSCC_845 is enabled.
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Merge tag 'qcom-arm64-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm ARM64 fixes for 5.11

This fixes a regression in Lenovo Yoga C630, where the touchpad in some
units stopped working, by re-enabling the "tsc2" device.

It also marks the LPASS related clocks as protected to allow DB845c and
the Lenovo Yoga C630 to boot even if CONFIG_SDM_LPASSCC_845 is enabled.

* tag 'qcom-arm64-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
  arm64: dts: qcom: c630: keep both touchpad devices enabled

Link: https://lore.kernel.org/r/20210125232039.642565-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-26 21:23:59 +01:00
Arnd Bergmann
c25644d5db arm64: dts: amlogic: fixes for v5.11-rc
- meson-g12: Set FL-adj property value
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Merge tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes

arm64: dts: amlogic: fixes for v5.11-rc
- meson-g12: Set FL-adj property value

* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  arm64: dts: amlogic: meson-g12: Set FL-adj property value

Link: https://lore.kernel.org/r/7hk0s0x3im.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-26 21:23:36 +01:00
Linus Torvalds
4992eb41ab * x86 bugfixes
* Documentation fixes
 * Avoid performance regression due to SEV-ES patches
 
 ARM:
 - Don't allow tagged pointers to point to memslots
 - Filter out ARMv8.1+ PMU events on v8.0 hardware
 - Hide PMU registers from userspace when no PMU is configured
 - More PMU cleanups
 - Don't try to handle broken PSCI firmware
 - More sys_reg() to reg_to_encoding() conversions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:

 -  x86 bugfixes

 - Documentation fixes

 - Avoid performance regression due to SEV-ES patches

 - ARM:
     - Don't allow tagged pointers to point to memslots
     - Filter out ARMv8.1+ PMU events on v8.0 hardware
     - Hide PMU registers from userspace when no PMU is configured
     - More PMU cleanups
     - Don't try to handle broken PSCI firmware
     - More sys_reg() to reg_to_encoding() conversions

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
  KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
  KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
  KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
  kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
  KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
  KVM: x86: get smi pending status correctly
  KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
  KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
  KVM: x86: Add more protection against undefined behavior in rsvd_bits()
  KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
  KVM: Forbid the use of tagged userspace addresses for memslots
  KVM: arm64: Filter out v8.1+ events on v8.0 HW
  KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
  KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
  KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
  KVM: arm64: Simplify handling of absent PMU system registers
  KVM: arm64: Hide PMU registers from userspace when not available
2021-01-26 11:10:14 -08:00
Vincenzo Frascino
519ea6f1c8 arm64: Fix kernel address detection of __is_lm_address()
Currently, the __is_lm_address() check just masks out the top 12 bits
of the address, but if they are 0, it still yields a true result.
This has as a side effect that virt_addr_valid() returns true even for
invalid virtual addresses (e.g. 0x0).

Fix the detection checking that it's actually a kernel address starting
at PAGE_OFFSET.

Fixes: 68dd8ef32162 ("arm64: memory: Fix virt_addr_valid() using __is_lm_address()")
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210126134056.45747-1-vincenzo.frascino@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-26 17:53:32 +00:00
Neil Armstrong
19f6fe976a Revert "arm64: dts: amlogic: add missing ethernet reset ID"
It has been reported on IRC and in KernelCI boot tests, this change breaks
internal PHY support on the Amlogic G12A/SM1 Based boards.

We suspect the added signal to reset more than the Ethernet MAC but also
the MDIO/(RG)MII mux used to redirect the MAC signals to the internal PHY.

This reverts commit f3362f0c18174a1f334a419ab7d567a36bd1b3f3 while we find
and acceptable solution to cleanly reset the Ethernet MAC.

Reported-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Jérôme Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210126080951.2383740-1-narmstrong@baylibre.com
2021-01-26 08:02:35 -08:00
Paolo Bonzini
615099b01e KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
 - Filter out ARMv8.1+ PMU events on v8.0 hardware
 - Hide PMU registers from userspace when no PMU is configured
 - More PMU cleanups
 - Don't try to handle broken PSCI firmware
 - More sys_reg() to reg_to_encoding() conversions
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Merge tag 'kvmarm-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.11, take #2

- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
2021-01-25 18:52:01 -05:00
Robin Murphy
74532de460 arm64: dts: rockchip: Disable display for NanoPi R2S
NanoPi R2S is headless, so rightly does not enable any of the display
interface hardware, which currently provokes an obnoxious error in the
boot log from the fake DRM device failing to find anything to bind to.
It probably isn't *too* hard to obviate the fake device shenanigans
entirely with a bit of driver reshuffling, but for now let's just
disable it here to shut up the spurious error.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/c4553dfad1ad6792c4f22454c135ff55de77e2d6.1611186099.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-26 00:10:21 +01:00
Maxime Ripard
5674e314e6 ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
The BCM2711 has a number of instances of interrupt controllers handled
by the driver behind the BRCMSTB_L2_IRQ Kconfig option (irq-brcmstb-l2).

Let's select that driver as part of the ARCH_BCM2835 Kconfig option.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20210111142309.193441-1-maxime@cerno.tech
2021-01-25 21:59:06 +01:00
Andrew Scull
e500b805c3 KVM: arm64: Don't clobber x4 in __do_hyp_init
arm_smccc_1_1_hvc() only adds write contraints for x0-3 in the inline
assembly for the HVC instruction so make sure those are the only
registers that change when __do_hyp_init is called.

Tested-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Andrew Scull <ascull@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210125145415.122439-3-ascull@google.com
2021-01-25 15:50:35 +00:00
Arnd Bergmann
e49c24c8cd i.MX fixes for 5.11, round 2:
- Fix pcf2127 reset for imx7d-flex-concentrator board.
 - Fix i.MX6 suspend with Thumb-2 kernel.
 - Fix ethernet-phy address issue on imx6qdl-sr-som board.
 - Fix GPIO3 `gpio-ranges` on i.MX8MP.
 - Select SOC_BUS for IMX_SCU driver to fix build issue.
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Merge tag 'imx-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.11, round 2:

- Fix pcf2127 reset for imx7d-flex-concentrator board.
- Fix i.MX6 suspend with Thumb-2 kernel.
- Fix ethernet-phy address issue on imx6qdl-sr-som board.
- Fix GPIO3 `gpio-ranges` on i.MX8MP.
- Select SOC_BUS for IMX_SCU driver to fix build issue.

* tag 'imx-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  firmware: imx: select SOC_BUS to fix firmware build
  arm64: dts: imx8mp: Correct the gpio ranges of gpio3
  ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms
  ARM: imx: build suspend-imx6.S with arm instruction set
  ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset

Link: https://lore.kernel.org/r/20210119091949.GD4356@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-22 23:52:42 +01:00
Bharat Gooty
da8ee66f56 arm64: dts: broadcom: Fix USB DMA address translation for Stingray
Add a non-empty dma-ranges so that DMA address translation happens.

Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges")
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-22 23:35:41 +01:00
Qais Yousef
75bd4bff30 arm64: kprobes: Fix Uexpected kernel BRK exception at EL1
I was hitting the below panic continuously when attaching kprobes to
scheduler functions

	[  159.045212] Unexpected kernel BRK exception at EL1
	[  159.053753] Internal error: BRK handler: f2000006 [#1] PREEMPT SMP
	[  159.059954] Modules linked in:
	[  159.063025] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.11.0-rc4-00008-g1e2a199f6ccd #56
	[rt-app] <notice> [1] Exiting.[  159.071166] Hardware name: ARM Juno development board (r2) (DT)
	[  159.079689] pstate: 600003c5 (nZCv DAIF -PAN -UAO -TCO BTYPE=--)

	[  159.085723] pc : 0xffff80001624501c
	[  159.089377] lr : attach_entity_load_avg+0x2ac/0x350
	[  159.094271] sp : ffff80001622b640
	[rt-app] <notice> [0] Exiting.[  159.097591] x29: ffff80001622b640 x28: 0000000000000001
	[  159.105515] x27: 0000000000000049 x26: ffff000800b79980

	[  159.110847] x25: ffff00097ef37840 x24: 0000000000000000
	[  159.116331] x23: 00000024eacec1ec x22: ffff00097ef12b90
	[  159.121663] x21: ffff00097ef37700 x20: ffff800010119170
	[rt-app] <notice> [11] Exiting.[  159.126995] x19: ffff00097ef37840 x18: 000000000000000e
	[  159.135003] x17: 0000000000000001 x16: 0000000000000019
	[  159.140335] x15: 0000000000000000 x14: 0000000000000000
	[  159.145666] x13: 0000000000000002 x12: 0000000000000002
	[  159.150996] x11: ffff80001592f9f0 x10: 0000000000000060
	[  159.156327] x9 : ffff8000100f6f9c x8 : be618290de0999a1
	[  159.161659] x7 : ffff80096a4b1000 x6 : 0000000000000000
	[  159.166990] x5 : ffff00097ef37840 x4 : 0000000000000000
	[  159.172321] x3 : ffff000800328948 x2 : 0000000000000000
	[  159.177652] x1 : 0000002507d52fec x0 : ffff00097ef12b90
	[  159.182983] Call trace:
	[  159.185433]  0xffff80001624501c
	[  159.188581]  update_load_avg+0x2d0/0x778
	[  159.192516]  enqueue_task_fair+0x134/0xe20
	[  159.196625]  enqueue_task+0x4c/0x2c8
	[  159.200211]  ttwu_do_activate+0x70/0x138
	[  159.204147]  sched_ttwu_pending+0xbc/0x160
	[  159.208253]  flush_smp_call_function_queue+0x16c/0x320
	[  159.213408]  generic_smp_call_function_single_interrupt+0x1c/0x28
	[  159.219521]  ipi_handler+0x1e8/0x3c8
	[  159.223106]  handle_percpu_devid_irq+0xd8/0x460
	[  159.227650]  generic_handle_irq+0x38/0x50
	[  159.231672]  __handle_domain_irq+0x6c/0xc8
	[  159.235781]  gic_handle_irq+0xcc/0xf0
	[  159.239452]  el1_irq+0xb4/0x180
	[  159.242600]  rcu_is_watching+0x28/0x70
	[  159.246359]  rcu_read_lock_held_common+0x44/0x88
	[  159.250991]  rcu_read_lock_any_held+0x30/0xc0
	[  159.255360]  kretprobe_dispatcher+0xc4/0xf0
	[  159.259555]  __kretprobe_trampoline_handler+0xc0/0x150
	[  159.264710]  trampoline_probe_handler+0x38/0x58
	[  159.269255]  kretprobe_trampoline+0x70/0xc4
	[  159.273450]  run_rebalance_domains+0x54/0x80
	[  159.277734]  __do_softirq+0x164/0x684
	[  159.281406]  irq_exit+0x198/0x1b8
	[  159.284731]  __handle_domain_irq+0x70/0xc8
	[  159.288840]  gic_handle_irq+0xb0/0xf0
	[  159.292510]  el1_irq+0xb4/0x180
	[  159.295658]  arch_cpu_idle+0x18/0x28
	[  159.299245]  default_idle_call+0x9c/0x3e8
	[  159.303265]  do_idle+0x25c/0x2a8
	[  159.306502]  cpu_startup_entry+0x2c/0x78
	[  159.310436]  secondary_start_kernel+0x160/0x198
	[  159.314984] Code: d42000c0 aa1e03e9 d42000c0 aa1e03e9 (d42000c0)

After a bit of head scratching and debugging it turned out that it is
due to kprobe handler being interrupted by a tick that causes us to go
into (I think another) kprobe handler.

The culprit was kprobe_breakpoint_ss_handler() returning DBG_HOOK_ERROR
which leads to the Unexpected kernel BRK exception.

Reverting commit ba090f9cafd5 ("arm64: kprobes: Remove redundant
kprobe_step_ctx") seemed to fix the problem for me.

Further analysis showed that kcb->kprobe_status is set to
KPROBE_REENTER when the error occurs. By teaching
kprobe_breakpoint_ss_handler() to handle this status I can no  longer
reproduce the problem.

Fixes: ba090f9cafd5 ("arm64: kprobes: Remove redundant kprobe_step_ctx")
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20210122110909.3324607-1-qais.yousef@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-22 16:05:29 +00:00
Alex Elder
5da1fca9eb arm64: dts: qcom: sdm845: kill IPA modem-remoteproc property
The "modem-remoteproc" property is no longer required for the IPA
driver, so get rid of it.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-21 20:42:46 -08:00
Alex Elder
8535c8e300 arm64: dts: qcom: sc7180: kill IPA modem-remoteproc property
The "modem-remoteproc" property is no longer required for the IPA
driver, so get rid of it.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-21 20:42:46 -08:00
Marc Zyngier
9529aaa056 KVM: arm64: Filter out v8.1+ events on v8.0 HW
When running on v8.0 HW, make sure we don't try to advertise
events in the 0x4000-0x403f range.

Cc: stable@vger.kernel.org
Fixes: 88865beca9062 ("KVM: arm64: Mask out filtered events in PCMEID{0,1}_EL1")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210121105636.1478491-1-maz@kernel.org
2021-01-21 11:00:02 +00:00
Steven Price
e1663372d5 KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
KASAN in HW_TAGS mode will store MTE tags in the top byte of the
pointer. When computing the offset for TPIDR_EL2 we don't want anything
in the top byte, so remove the tag to ensure the computation is correct
no matter what the tag.

Fixes: 94ab5b61ee16 ("kasan, arm64: enable CONFIG_KASAN_HW_TAGS")
Signed-off-by: Steven Price <steven.price@arm.com>
[maz: added comment]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210108161254.53674-1-steven.price@arm.com
2021-01-21 09:36:23 +00:00
Jakub Kicinski
0fe2f273ab Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:

drivers/net/can/dev.c
  commit 03f16c5075b2 ("can: dev: can_restart: fix use after free bug")
  commit 3e77f70e7345 ("can: dev: move driver related infrastructure into separate subdir")

  Code move.

drivers/net/dsa/b53/b53_common.c
 commit 8e4052c32d6b ("net: dsa: b53: fix an off by one in checking "vlan->vid"")
 commit b7a9e0da2d1c ("net: switchdev: remove vid_begin -> vid_end range from VLAN objects")

 Field rename.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-20 12:16:11 -08:00
Arnd Bergmann
89d4f98ae9 ARM: remove zte zx platform
The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with
Baoyou Xie and Shawn Guo subsequently becoming maintainers after the
addition of the 64-bit variant.

However, the only machines that were ever supported upstream are the
reference designs, not actual set-top-box devices that would benefit
from this support. All ZTE set-top-boxes from the past few years seem
to be based on third-party SoCs. While there is very little information
about zx296702 and zx296718 on the web, I found some references to other
chips from the same family, such as zx296716 and zx296719, which were
never submitted for upstream support. Finally, there is no support for
the GPU on either of them, with the lima and panfrost device drivers
having been added after work on the zx platform had stopped.

Shawn confirmed that he has not seen any interest in this platform for
the past four years, and that it can be removed.

Thanks to Jun and Shawn for maintaining this platform over the past
five years.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-20 10:24:19 +01:00
Andrey Konovalov
3ed86b9a71 kasan, arm64: fix pointer tags in KASAN reports
As of the "arm64: expose FAR_EL1 tag bits in siginfo" patch, the address
that is passed to report_tag_fault has pointer tags in the format of 0x0X,
while KASAN uses 0xFX format (note the difference in the top 4 bits).

Fix up the pointer tag for kernel pointers in do_tag_check_fault by
setting them to the same value as bit 55. Explicitly use __untagged_addr()
instead of untagged_addr(), as the latter doesn't affect TTBR1 addresses.

Fixes: dceec3ff7807 ("arm64: expose FAR_EL1 tag bits in siginfo")
Fixes: 4291e9ee6189 ("kasan, arm64: print report from tag fault handler")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://linux-review.googlesource.com/id/I9ced973866036d8679e8f4ae325de547eb969649
Link: https://lore.kernel.org/r/ff30b0afe6005fd046f9ac72bfb71822aedccd89.1610731872.git.andreyknvl@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-01-18 18:15:49 +00:00
Johan Jonker
94a5400f8b arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
A test with the command below gives this error:
/arch/arm64/boot/dts/rockchip/rk3399-evb.dt.yaml: video-codec@ff660000:
'interrupt-names' does not match any of the regexes: 'pinctrl-[0-9]+'

The rkvdec driver gets it irq with help of the platform_get_irq()
function, so remove the interrupt-names property from the rk3399
vdec node.

make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/
media/rockchip,vdec.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20210117181653.24886-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-18 14:36:29 +01:00
Jacky Bai
b764eb65e1 arm64: dts: imx8mp: Correct the gpio ranges of gpio3
On i.MX8MP, The GPIO3's secondary gpio-ranges's 'gpio controller offset'
cell value should be 26, so correct it.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Fixes: 6d9b8d20431f ("arm64: dts: freescale: Add i.MX8MP dtsi support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18 15:29:27 +08:00
Jakub Kicinski
2d9116be76 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2021-01-16

1) Extend atomic operations to the BPF instruction set along with x86-64 JIT support,
   that is, atomic{,64}_{xchg,cmpxchg,fetch_{add,and,or,xor}}, from Brendan Jackman.

2) Add support for using kernel module global variables (__ksym externs in BPF
   programs) retrieved via module's BTF, from Andrii Nakryiko.

3) Generalize BPF stackmap's buildid retrieval and add support to have buildid
   stored in mmap2 event for perf, from Jiri Olsa.

4) Various fixes for cross-building BPF sefltests out-of-tree which then will
   unblock wider automated testing on ARM hardware, from Jean-Philippe Brucker.

5) Allow to retrieve SOL_SOCKET opts from sock_addr progs, from Daniel Borkmann.

6) Clean up driver's XDP buffer init and split into two helpers to init per-
   descriptor and non-changing fields during processing, from Lorenzo Bianconi.

7) Minor misc improvements to libbpf & bpftool, from Ian Rogers.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (41 commits)
  perf: Add build id data in mmap2 event
  bpf: Add size arg to build_id_parse function
  bpf: Move stack_map_get_build_id into lib
  bpf: Document new atomic instructions
  bpf: Add tests for new BPF atomic operations
  bpf: Add bitwise atomic instructions
  bpf: Pull out a macro for interpreting atomic ALU operations
  bpf: Add instructions for atomic_[cmp]xchg
  bpf: Add BPF_FETCH field / create atomic_fetch_add instruction
  bpf: Move BPF_STX reserved field check into BPF_STX verifier code
  bpf: Rename BPF_XADD and prepare to encode other atomics in .imm
  bpf: x86: Factor out a lookup table for some ALU opcodes
  bpf: x86: Factor out emission of REX byte
  bpf: x86: Factor out emission of ModR/M for *(reg + off)
  tools/bpftool: Add -Wall when building BPF programs
  bpf, libbpf: Avoid unused function warning on bpf_tail_call_static
  selftests/bpf: Install btf_dump test cases
  selftests/bpf: Fix installation of urandom_read
  selftests/bpf: Move generated test files to $(TEST_GEN_FILES)
  selftests/bpf: Fix out-of-tree build
  ...
====================

Link: https://lore.kernel.org/r/20210116012922.17823-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-15 17:57:26 -08:00