Commit Graph

20958 Commits

Author SHA1 Message Date
Linus Torvalds
1c49f281c9 ARM: SoC fixes for 5.19, part 3
Most of the contents are bugfixes for the devicetree files:
 
  - A Qualcomm MSM8974 pin controller regression, caused by a cleanup
    patch that gets partially reverted here.
 
  - Missing properties for Broadcom BCM49xx to fix timer detection and
    SMP boot.
 
  - Fix touchscreen pinctrl for imx6ull-colibri board
 
  - Multiple fixes for Rockchip rk3399 based machines including the
    vdu clock-rate fix, otg port fix on Quartz64-A and ethernet
    on Quartz64-B
 
  - Fixes for misspelled DT contents causing minor problems on
    imx6qdl-ts7970m, orangepi-zero, sama5d2, kontron-kswitch-d10,
    and ls1028a
 
 And a couple of changes elsewhere:
 
  - Fix binding for Allwinner D1 display pipeline
 
  - Trivial code fixes to the TEE and reset controller driver subsystems
    and the rockchip platform code.
 
  - Multiple updates to the MAINTAINERS files, marking the Palm Treo
    support as orphaned, and fixing some entries for added or changed
    file names.
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Merge tag 'soc-fixes-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Most of the contents are bugfixes for the devicetree files:

   - A Qualcomm MSM8974 pin controller regression, caused by a cleanup
     patch that gets partially reverted here.

   - Missing properties for Broadcom BCM49xx to fix timer detection and
     SMP boot.

   - Fix touchscreen pinctrl for imx6ull-colibri board

   - Multiple fixes for Rockchip rk3399 based machines including the vdu
     clock-rate fix, otg port fix on Quartz64-A and ethernet on
     Quartz64-B

   - Fixes for misspelled DT contents causing minor problems on
     imx6qdl-ts7970m, orangepi-zero, sama5d2, kontron-kswitch-d10, and
     ls1028a

  And a couple of changes elsewhere:

   - Fix binding for Allwinner D1 display pipeline

   - Trivial code fixes to the TEE and reset controller driver
     subsystems and the rockchip platform code.

   - Multiple updates to the MAINTAINERS files, marking the Palm Treo
     support as orphaned, and fixing some entries for added or changed
     file names"

* tag 'soc-fixes-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (21 commits)
  arm64: dts: broadcom: bcm4908: Fix cpu node for smp boot
  arm64: dts: broadcom: bcm4908: Fix timer node for BCM4906 SoC
  ARM: dts: sunxi: Fix SPI NOR campatible on Orange Pi Zero
  ARM: dts: at91: sama5d2: Fix typo in i2s1 node
  tee: tee_get_drvdata(): fix description of return value
  optee: Remove duplicate 'of' in two places.
  ARM: dts: kswitch-d10: use open drain mode for coma-mode pins
  ARM: dts: colibri-imx6ull: fix snvs pinmux group
  optee: smc_abi.c: fix wrong pointer passed to IS_ERR/PTR_ERR()
  MAINTAINERS: add polarfire rng, pci and clock drivers
  MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan
  ARM: dts: imx6qdl-ts7970: Fix ngpio typo and count
  arm64: dts: ls1028a: Update SFP node to include clock
  dt-bindings: display: sun4i: Fix D1 pipeline count
  ARM: dts: qcom: msm8974: re-add missing pinctrl
  reset: Fix devm bulk optional exclusive control getter
  MAINTAINERS: rectify entry for SYNOPSYS AXS10x RESET CONTROLLER DRIVER
  ARM: rockchip: Add missing of_node_put() in rockchip_suspend_init()
  arm64: dts: rockchip: Assign RK3399 VDU clock rate
  arm64: dts: rockchip: Fix Quartz64-A dwc3 otg port behavior
  ...
2022-07-15 10:16:44 -07:00
Arnd Bergmann
52905140c3 This pull request contains Broadcom ARM64-based SoCs Device Tree fixes
for 5.19, please pull the following:
 
 - William corrects the BCM4906 DTS to have an armv8-timer Device Tree,
   necessary for booting, and fixes the BCM4908 DTS to have a proper
   'enable-method' and 'cpu-release-addr' properties for the kernel to boot
   when using u-boot
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Merge tag 'arm-soc/for-5.19/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM64-based SoCs Device Tree fixes
for 5.19, please pull the following:

- William corrects the BCM4906 DTS to have an armv8-timer Device Tree,
  necessary for booting, and fixes the BCM4908 DTS to have a proper
  'enable-method' and 'cpu-release-addr' properties for the kernel to boot
  when using u-boot

* tag 'arm-soc/for-5.19/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux:
  arm64: dts: broadcom: bcm4908: Fix cpu node for smp boot
  arm64: dts: broadcom: bcm4908: Fix timer node for BCM4906 SoC

Link: https://lore.kernel.org/r/20220712231222.97850-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-07-13 09:35:56 +02:00
Arnd Bergmann
01277737e9 i.MX fixes for 5.19, round 3:
- Fix GPIO property for imx6qdl-ts7970 board.
 - Fix touchscreen pinctrl for imx6ull-colibri board by moving iomuxc-snvs
   pin to the correct controller device.
 - Fix SFP node of fsl-ls1028a to have a required clock property.
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Merge tag 'imx-fixes-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.19, round 3:

- Fix GPIO property for imx6qdl-ts7970 board.
- Fix touchscreen pinctrl for imx6ull-colibri board by moving iomuxc-snvs
  pin to the correct controller device.
- Fix SFP node of fsl-ls1028a to have a required clock property.

* tag 'imx-fixes-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: colibri-imx6ull: fix snvs pinmux group
  ARM: dts: imx6qdl-ts7970: Fix ngpio typo and count
  arm64: dts: ls1028a: Update SFP node to include clock

Link: https://lore.kernel.org/r/20220709032716.GA9868@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-07-11 13:17:24 +02:00
William Zhang
8bd582ae9a arm64: dts: broadcom: bcm4908: Fix cpu node for smp boot
Add spin-table enable-method and cpu-release-addr properties for
cpu0 node. This is required by all ARMv8 SoC. Otherwise some
bootloader like u-boot can not update cpu-release-addr and linux
fails to start up secondary cpus.

Fixes: 2961f69f15 ("arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files")
Signed-off-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2022-07-08 12:47:25 -07:00
William Zhang
b4a544e415 arm64: dts: broadcom: bcm4908: Fix timer node for BCM4906 SoC
The cpu mask value in interrupt property inherits from bcm4908.dtsi
which sets to four cpus. Correct the value to two cpus for dual core
BCM4906 SoC.

Fixes: c8b404fb05 ("arm64: dts: broadcom: bcm4908: add BCM4906 Netgear R8000P DTS files")
Signed-off-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2022-07-08 12:47:06 -07:00
Arnd Bergmann
3c5a4e6d83 rk3399 vdu clock-rate fix, otg port fix on Quartz64-A and ethernet
fix on Quartz64-B (actual production model)
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Merge tag 'v5.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes

rk3399 vdu clock-rate fix, otg port fix on Quartz64-A and ethernet
fix on Quartz64-B (actual production model)

* tag 'v5.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: Assign RK3399 VDU clock rate
  arm64: dts: rockchip: Fix Quartz64-A dwc3 otg port behavior
  arm64: dts: rockchip: Fix ethernet on production Quartz64-B

Link: https://lore.kernel.org/r/7723415.29KlJPOoH8@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-07-06 13:35:13 +02:00
Sean Anderson
3c12e9da30 arm64: dts: ls1028a: Update SFP node to include clock
The clocks property is now mandatory. Add it to avoid warning message.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Fixes: eba5bea8f3 ("arm64: dts: ls1028a: add efuse node")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-07-05 09:06:34 +08:00
Linus Torvalds
c1084b6c56 ARM: SoC fixes for v5.19, part 2
Another set of minor patches for Arm DTS files and soc specific drivers:
 
  - More reference counting bug fixes for DT nodes, and other
    trivial code fixes
 
  - Multiple code fixes for the Arm SCMI firmware driver to improve
    compatibility with firmware implementations.
 
  - A patch series for at91 to address power management issues from
    using the wrong DT compatible properties.
 
  - A series of patches to fix pad settings for NXP imx8mp to leave the
    configuration untouched from the boot loader
 
  - Additional DT fixes for qualcomm and NXP platforms
 
  - A boot time fix for stm32mp15 DT
 
  - Konrad Dybcio becomes an additional reviewer for the Qualcomm
    platforms
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Merge tag 'soc-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Another set of minor patches for Arm DTS files and soc specific
  drivers:

   - More reference counting bug fixes for DT nodes, and other trivial
     code fixes

   - Multiple code fixes for the Arm SCMI firmware driver to improve
     compatibility with firmware implementations.

   - A patch series for at91 to address power management issues from
     using the wrong DT compatible properties.

   - A series of patches to fix pad settings for NXP imx8mp to leave the
     configuration untouched from the boot loader

   - Additional DT fixes for qualcomm and NXP platforms

   - A boot time fix for stm32mp15 DT

   - Konrad Dybcio becomes an additional reviewer for the Qualcomm
     platforms"

* tag 'soc-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
  soc: qcom: smem: use correct format characters
  ARM: dts: stm32: add missing usbh clock and fix clk order on stm32mp15
  ARM: dts: stm32: delete fixed clock node on STM32MP15-SCMI
  ARM: dts: stm32: DSI should use LSE SCMI clock on DK1/ED1 STM32 board
  ARM: dts: stm32: use the correct clock source for CEC on stm32mp151
  ARM: dts: stm32: fix pwr regulators references to use scmi
  soc: ixp4xx/npe: Fix unused match warning
  ARM: at91: pm: Mark at91_pm_secure_init as __init
  ARM: at91: fix soc detection for SAM9X60 SiPs
  ARM: dts: at91: sama5d2_icp: fix eeprom compatibles
  ARM: dts: at91: sam9x60ek: fix eeprom compatible and size
  ARM: at91: pm: use proper compatibles for sama7g5's rtc and rtt
  ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
  ARM: at91: pm: use proper compatible for sama5d2's rtc
  arm64: dts: qcom: msm8992-*: Fix vdd_lvs1_2-supply typo
  firmware: arm_scmi: Remove usage of the deprecated ida_simple_xxx API
  firmware: arm_scmi: Fix response size warning for OPTEE transport
  arm64: dts: imx8mp-icore-mx8mp-edim2.2: correct pad settings
  arm64: dts: imx8mp-phyboard-pollux-rdk: correct i2c2 & mmc settings
  arm64: dts: imx8mp-phyboard-pollux-rdk: correct eqos pad settings
  ...
2022-07-04 10:41:59 -07:00
Arnd Bergmann
7ecd8a7af3 Qualcomm ARM64 DT fixes for v5.19
This removes duplicate includes in the sc7180-trogdor files, which
 accidentally ended up disabling nodes intended to be enabled.
 
 It corrects identifiers for CPU6/7 on MSM8994. On SM8450 the UFS node's
 interconnects property is updated to match the #interconnect-cells,
 avoiding sync_state issues and the GIC ITS is defined, to correct the
 references from the PCIe nodes. On SDM845 the display subsystem's AHB
 clock is corrected and on msm8992 devices, the supplies for lvs 1 and 2
 are correctly specified.
 
 Lastly, a welcome addition of Konrad as reviewer for the Qualcomm SoC.
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Merge tag 'qcom-arm64-fixes-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm ARM64 DT fixes for v5.19

This removes duplicate includes in the sc7180-trogdor files, which
accidentally ended up disabling nodes intended to be enabled.

It corrects identifiers for CPU6/7 on MSM8994. On SM8450 the UFS node's
interconnects property is updated to match the #interconnect-cells,
avoiding sync_state issues and the GIC ITS is defined, to correct the
references from the PCIe nodes. On SDM845 the display subsystem's AHB
clock is corrected and on msm8992 devices, the supplies for lvs 1 and 2
are correctly specified.

Lastly, a welcome addition of Konrad as reviewer for the Qualcomm SoC.

* tag 'qcom-arm64-fixes-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: dts: qcom: msm8992-*: Fix vdd_lvs1_2-supply typo
  MAINTAINERS: Add myself as a reviewer for Qualcomm ARM/64 support
  arm64: dts: qcom: sdm845: use dispcc AHB clock for mdss node
  arm64: dts: qcom: sm8450 add ITS device tree node
  arm64: dts: qcom: msm8994: Fix CPU6/7 reg values
  arm64: dts: qcom: sm8450: fix interconnects property of UFS node
  arm64: dts: qcom: Remove duplicate sc7180-trogdor include on lazor/homestar

Link: https://lore.kernel.org/r/20220703030208.408109-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-07-03 22:36:47 +02:00
Linus Torvalds
d0f67adb79 arm64 fix: restore TLB invalidation for the 'break-before-make' rule on
contiguous ptes (missed in a recent clean-up).
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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:
 "Restore TLB invalidation for the 'break-before-make' rule on
  contiguous ptes (missed in a recent clean-up)"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
2022-07-01 11:23:21 -07:00
Will Deacon
4109823037 arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
Commit fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
removed TLB invalidation from get_clear_flush() [now get_clear_contig()]
on the basis that the core TLB invalidation code is aware of hugetlb
mappings backed by contiguous page-table entries and will cover the
correct virtual address range.

However, this change also resulted in the TLB invalidation being removed
from the "break" step in the break-before-make (BBM) sequence used
internally by huge_ptep_set_{access_flags,wrprotect}(), therefore
making the BBM sequence unsafe irrespective of later invalidation.

Although the architecture is desperately unclear about how exactly
contiguous ptes should be updated in a live page-table, restore TLB
invalidation to our BBM sequence under the assumption that BBM is the
right thing to be doing in the first place.

Fixes: fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220629095349.25748-1-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-07-01 18:29:26 +01:00
Arnd Bergmann
1f66f63c73 i.MX fixes for 5.19, round 2:
- Fix the SDIO description for imx7d-smegw01 board to ensure there is
   no communication made at 1.8V.
 - Fix pgc_ispdwp power-domain clock, which should be
   IMX8MP_CLK_MEDIA_ISP_ROOT.
 - Re-enable framebuffer support in mxs_defconfig to fix a Kconfig
   regression.
 - A series from Peng Fan (and Sherry Sun) fixing various pads on i.MX8MP
   based boards to leave reserved bits untouched.
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Merge tag 'imx-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.19, round 2:

- Fix the SDIO description for imx7d-smegw01 board to ensure there is
  no communication made at 1.8V.
- Fix pgc_ispdwp power-domain clock, which should be
  IMX8MP_CLK_MEDIA_ISP_ROOT.
- Re-enable framebuffer support in mxs_defconfig to fix a Kconfig
  regression.
- A series from Peng Fan (and Sherry Sun) fixing various pads on i.MX8MP
  based boards to leave reserved bits untouched.

* tag 'imx-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: imx8mp-icore-mx8mp-edim2.2: correct pad settings
  arm64: dts: imx8mp-phyboard-pollux-rdk: correct i2c2 & mmc settings
  arm64: dts: imx8mp-phyboard-pollux-rdk: correct eqos pad settings
  arm64: dts: imx8mp-phyboard-pollux-rdk: correct uart pad settings
  arm64: dts: imx8mp-venice-gw74xx: correct pad settings
  arm64: dts: imx8mp-evk: correct I2C3 pad settings
  arm64: dts: imx8mp-evk: correct I2C1 pad settings
  arm64: dts: imx8mp-evk: correct I2C5 pad settings
  arm64: dts: imx8mp-evk: correct vbus pad settings
  arm64: dts: imx8mp-evk: correct eqos pad settings
  arm64: dts: imx8mp-evk: correct vbus pad settings
  arm64: dts: imx8mp-evk: correct gpio-led pad settings
  arm64: dts: imx8mp-evk: correct the uart2 pinctl value
  arm64: dts: imx8mp-evk: correct mmc pad settings
  ARM: mxs_defconfig: Enable the framebuffer
  arm64: dts: imx8mp: correct clock of pgc_ispdwp
  ARM: dts: imx7d-smegw01: Fix the SDIO description

Link: https://lore.kernel.org/r/20220629021244.GL819983@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-07-01 15:15:21 +02:00
Stephan Gerhold
5fb779558f arm64: dts: qcom: msm8992-*: Fix vdd_lvs1_2-supply typo
"make dtbs_check" complains about the missing "-supply" suffix for
vdd_lvs1_2 which is clearly a typo, originally introduced in the
msm8994-smd-rpm.dtsi file and apparently later copied to
msm8992-xiaomi-libra.dts:

msm8992-lg-bullhead-rev-10/101.dtb: pm8994-regulators: 'vdd_lvs1_2'
does not match any of the regexes:
  '.*-supply$', '^((s|l|lvs|5vs)[0-9]*)|(boost-bypass)|(bob)$', 'pinctrl-[0-9]+'
From schema: regulator/qcom,smd-rpm-regulator.yaml

msm8992-xiaomi-libra.dtb: pm8994-regulators: 'vdd_lvs1_2'
does not match any of the regexes:
  '.*-supply$', '^((s|l|lvs|5vs)[0-9]*)|(boost-bypass)|(bob)$', 'pinctrl-[0-9]+'
From schema: regulator/qcom,smd-rpm-regulator.yaml

Reported-by: Rob Herring <robh@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@somainline.org>
Fixes: f3b2c99e73 ("arm64: dts: Enable onboard SDHCI on msm8992")
Fixes: 0f5cdb31e8 ("arm64: dts: qcom: Add Xiaomi Libra (Mi 4C) device tree")
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220627135938.2901871-1-stephan.gerhold@kernkonzept.com
2022-06-27 15:09:32 -05:00
Peng Fan
8630354f42 arm64: dts: imx8mp-icore-mx8mp-edim2.2: correct pad settings
BIT3 and BIT0 are reserved bits, should not touch.

Fixes: aec8ad34f7 ("arm64: dts: imx8mp: Add Engicam i.Core MX8M Plus EDIMM2.2 Starter Kit")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:41 +08:00
Peng Fan
242d8ee911 arm64: dts: imx8mp-phyboard-pollux-rdk: correct i2c2 & mmc settings
BIT3 and BIT0 are reserved bits, should not touch.

Fixes: 88f7f6bcca ("arm64: dts: freescale: Add support for phyBOARD-Pollux-i.MX8MP")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:39 +08:00
Peng Fan
bae4de618e arm64: dts: imx8mp-phyboard-pollux-rdk: correct eqos pad settings
BIT3 and BIT0 are reserved bits, should not touch.

Fixes: 6f96852619 ("arm64: dts: freescale: Add support EQOS MAC on phyBOARD-Pollux-i.MX8MP")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:34 +08:00
Peng Fan
e266c155bd arm64: dts: imx8mp-phyboard-pollux-rdk: correct uart pad settings
BIT3 and BIT0 are reserved bits, should not touch.

Fixes: 846f752866 ("arm64: dts: imx8mp-phyboard-pollux-rdk: Change debug UART")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:28 +08:00
Peng Fan
843af59e57 arm64: dts: imx8mp-venice-gw74xx: correct pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
  8  7   6   5   4   3  2 1  0
 PE HYS PUE ODE FSEL X  DSE  X

Should not set reserved bit.

Fixes: 7899eb6cb1 ("arm64: dts: imx: Add i.MX8M Plus Gateworks gw7400 dts support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:21 +08:00
Peng Fan
0836de513e arm64: dts: imx8mp-evk: correct I2C3 pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
 8  7   6   5   4   3  2 1  0
PE HYS PUE ODE FSEL X  DSE  X

Although function is not broken, we should not set reserved bit.

Fixes: 5e4a67ff7f ("arm64: dts: imx8mp-evk: Add i2c3 support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:19 +08:00
Peng Fan
05a7f43478 arm64: dts: imx8mp-evk: correct I2C1 pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
 8  7   6   5   4   3  2 1  0
PE HYS PUE ODE FSEL X  DSE  X

Although function is not broken, we should not set reserved bit.

Fixes: 5497bc2a2b ("arm64: dts: imx8mp-evk: Add PMIC device")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:16 +08:00
Peng Fan
8c214b78e1 arm64: dts: imx8mp-evk: correct I2C5 pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
 8  7   6   5   4   3  2 1  0
PE HYS PUE ODE FSEL X  DSE  X

Although function is not broken, we should not set reserved bit.

Fixes: 8134822db0 ("arm64: dts: imx8mp-evk: add support for I2C5")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:14 +08:00
Peng Fan
95587ecfcf arm64: dts: imx8mp-evk: correct vbus pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
  8  7   6   5   4   3  2 1  0
 PE HYS PUE ODE FSEL X  DSE  X

Not set reserved bit.

Fixes: 9e847693c6 ("arm64: dts: freescale: Add i.MX8MP EVK board support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:11 +08:00
Peng Fan
e6e1bc0ec9 arm64: dts: imx8mp-evk: correct eqos pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
 8  7   6   5   4   3  2 1  0
PE HYS PUE ODE FSEL X  DSE  X

Although function is not broken, we should not set reserved bit.

Fixes: dc6d5dc89b ("arm64: dts: imx8mp-evk: enable EQOS ethernet")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:09 +08:00
Peng Fan
e2c00820a9 arm64: dts: imx8mp-evk: correct vbus pad settings
0x19 is not a valid setting. According to RM bit layout, BIT3 and BIT0
are reserved.
  8  7   6   5   4   3  2 1  0
 PE HYS PUE ODE FSEL X  DSE  X

Not set reserved bit.

Fixes: 43da4f92a6 ("arm64: dts: imx8mp-evk: enable usb1 as host mode")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:05 +08:00
Peng Fan
b838582ab8 arm64: dts: imx8mp-evk: correct gpio-led pad settings
0x19 is not a valid setting. According to RM bit layout,
BIT3 and BIT0 are reserved.
  8  7   6   5   4   3  2 1  0
 PE HYS PUE ODE FSEL X  DSE  X

Correct setting with PE PUE set, DSE set to 0.

Fixes: 50d336b12f ("arm64: dts: imx8mp-evk: Add GPIO LED support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:55:03 +08:00
Sherry Sun
2d4fb72b68 arm64: dts: imx8mp-evk: correct the uart2 pinctl value
According to the IOMUXC_SW_PAD_CTL_PAD_UART2_RXD/TXD register define in
imx8mp RM, bit0 and bit3 are reserved, and the uart2 rx/tx pin should
enable the pull up, so need to set bit8 to 1. The original pinctl value
0x49 is incorrect and needs to be changed to 0x140, same as uart1 and
uart3.

Fixes: 9e847693c6 ("arm64: dts: freescale: Add i.MX8MP EVK board support")
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:54:58 +08:00
Peng Fan
01785f1f15 arm64: dts: imx8mp-evk: correct mmc pad settings
According to RM bit layout, BIT3 and BIT0 are reserved.
  8  7   6   5   4   3  2 1  0
 PE HYS PUE ODE FSEL X  DSE  X

Not set reserved bit.

Fixes: 9e847693c6 ("arm64: dts: freescale: Add i.MX8MP EVK board support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:54:38 +08:00
Peng Fan
3fdd4ef444 arm64: dts: imx8mp: correct clock of pgc_ispdwp
The deprecated DIV clk is previously part of the ISP composite clk, but
there is still one child clk(IMX8MP_CLK_MEDIA_ISP_ROOT) sourcing from
IMX8MP_CLK_MEDIA_ISP( previously IMX8MP_CLK_MEDIA_ISP_DIV)

So IMX8MP_CLK_MEDIA_ISP_ROOT should be used, not IMX8MP_CLK_MEDIA_ISP_DIV.

Fixes: 9d89189d52 ("arm64: dts: imx8mp: Add MEDIAMIX power domains")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-27 15:20:37 +08:00
Linus Torvalds
1709b88739 ARM: SoC fixes for 5.19
A number of fixes have accumulated, but they are largely for
 harmless issues:
 
  - Several OF node leak fixes
 
  - A fix to the Exynos7885 UART clock description
 
  - DTS fixes to prevent boot failures on TI AM64 and J721s2
 
  - Bus probe error handling fixes for Baikal-T1
 
  - A fixup to the way STM32 SoCs use separate dts files for
    different firmware stacks
 
  - Multiple code fixes for Arm SCMI firmware, all dealing with
    robustness of the implementation
 
  - Multiple NXP i.MX devicetree fixes, addressing incorrect
    data in DT nodes
 
  - Three updates to the MAINTAINERS file, including Florian
    Fainelli taking over BCM283x/BCM2711 (Raspberry Pi)
    from Nicolas Saenz Julienne
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Merge tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A number of fixes have accumulated, but they are largely for harmless
  issues:

   - Several OF node leak fixes

   - A fix to the Exynos7885 UART clock description

   - DTS fixes to prevent boot failures on TI AM64 and J721s2

   - Bus probe error handling fixes for Baikal-T1

   - A fixup to the way STM32 SoCs use separate dts files for different
     firmware stacks

   - Multiple code fixes for Arm SCMI firmware, all dealing with
     robustness of the implementation

   - Multiple NXP i.MX devicetree fixes, addressing incorrect data in DT
     nodes

   - Three updates to the MAINTAINERS file, including Florian Fainelli
     taking over BCM283x/BCM2711 (Raspberry Pi) from Nicolas Saenz
     Julienne"

* tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
  ARM: dts: aspeed: nuvia: rename vendor nuvia to qcom
  arm: mach-spear: Add missing of_node_put() in time.c
  ARM: cns3xxx: Fix refcount leak in cns3xxx_init
  MAINTAINERS: Update email address
  arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
  arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region
  ARM: dts: bcm2711-rpi-400: Fix GPIO line names
  bus: bt1-axi: Don't print error on -EPROBE_DEFER
  bus: bt1-apb: Don't print error on -EPROBE_DEFER
  ARM: Fix refcount leak in axxia_boot_secondary
  ARM: dts: stm32: move SCMI related nodes in a dedicated file for stm32mp15
  soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
  ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
  ARM: dts: imx6qdl: correct PU regulator ramp delay
  firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
  firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
  firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
  ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY node
  soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
  MAINTAINERS: Update BCM2711/BCM2835 maintainer
  ...
2022-06-26 14:12:56 -07:00
Dmitry Baryshkov
3ba500dee3 arm64: dts: qcom: sdm845: use dispcc AHB clock for mdss node
It was noticed that on sdm845 after an MDSS suspend/resume cycle the
driver can not read HW_REV registers properly (they will return 0
instead). Chaning the "iface" clock from <&gcc GCC_DISP_AHB_CLK> to
<&dispcc DISP_CC_MDSS_AHB_CLK> fixes the issue.

Fixes: 08c2a076d1 ("arm64: dts: qcom: sdm845: Add dpu to sdm845 dts file")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220531124735.1165582-1-dmitry.baryshkov@linaro.org
2022-06-25 22:29:22 -05:00
Dmitry Baryshkov
fc8b0b9b63 arm64: dts: qcom: sm8450 add ITS device tree node
Add device tree node corresponding to the ITS part of GICv3.

Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220502192604.272686-1-dmitry.baryshkov@linaro.org
2022-06-25 15:13:56 -05:00
Konrad Dybcio
47bf59c475 arm64: dts: qcom: msm8994: Fix CPU6/7 reg values
CPU6 and CPU7 were mistakengly pointing to CPU5 reg. Fix it.

Fixes: 02d8091bbc ("arm64: dts: qcom: msm8994: Add a proper CPU map")
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220501184016.64138-1-konrad.dybcio@somainline.org
2022-06-25 15:12:44 -05:00
Linus Torvalds
e946554905 ARM64:
* Fix a regression with pKVM when kmemleak is enabled
 
 * Add Oliver Upton as an official KVM/arm64 reviewer
 
 selftests:
 
 * deal with compiler optimizations around hypervisor exits
 
 x86:
 
 * MAINTAINERS reorganization
 
 * Two SEV fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM64:

   - Fix a regression with pKVM when kmemleak is enabled

   - Add Oliver Upton as an official KVM/arm64 reviewer

  selftests:

   - deal with compiler optimizations around hypervisor exits

  x86:

   - MAINTAINERS reorganization

   - Two SEV fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: SEV: Init target VMCBs in sev_migrate_from
  KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
  MAINTAINERS: Reorganize KVM/x86 maintainership
  selftests: KVM: Handle compiler optimizations in ucall
  KVM: arm64: Add Oliver as a reviewer
  KVM: arm64: Prevent kmemleak from accessing pKVM memory
  tools/kvm_stat: fix display of error when multiple processes are found
2022-06-24 12:17:47 -07:00
Vladimir Zapolskiy
de9b3d9616 arm64: dts: qcom: sm8450: fix interconnects property of UFS node
All interconnect device tree nodes on sm8450 are 2-cells, however in
UFS node they are handled as 1-cells, fix it.

Fixes: aa2d0bf04a ("arm64: dts: qcom: sm8450: add interconnect nodes")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220310221934.1560729-1-vladimir.zapolskiy@linaro.org
2022-06-24 11:46:12 -05:00
Arnd Bergmann
416e95a479 Samsung fixes for v5.19
Both fixes are for issues present before v5.19 merge window:
 1. Correct UART clocks on Exynos7885.  Although the initial, fixed
    DTS commit is from v5.18, the issue will be exposed with a upcoming fix
    to Exynos7885 clock driver, so we need to correct the DTS earlier.
 2. Fix theoretical OF node leak in Exynos machine code.
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Merge tag 'samsung-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes

Samsung fixes for v5.19

Both fixes are for issues present before v5.19 merge window:
1. Correct UART clocks on Exynos7885.  Although the initial, fixed
   DTS commit is from v5.18, the issue will be exposed with a upcoming fix
   to Exynos7885 clock driver, so we need to correct the DTS earlier.
2. Fix theoretical OF node leak in Exynos machine code.

* tag 'samsung-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: exynos: Fix refcount leak in exynos_map_pmu
  arm64: dts: exynos: Correct UART clocks on Exynos7885

Link: https://lore.kernel.org/r/20220624080423.31427-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24 17:20:24 +02:00
Arnd Bergmann
db6b92459f Devicetree fixes for TI K3 platforms for v5.19
Critical fixes for the following:
 * Boot failure on J721s2 (overlap GIC memory map)
 * AM64 boot fails on highspeed cards (SoC characterization updates)
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Merge tag 'ti-k3-dt-fixes-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into arm/fixes

Devicetree fixes for TI K3 platforms for v5.19

Critical fixes for the following:
* Boot failure on J721s2 (overlap GIC memory map)
* AM64 boot fails on highspeed cards (SoC characterization updates)

* tag 'ti-k3-dt-fixes-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
  arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region

Link: https://lore.kernel.org/r/20220618031627.xxvscc22c6doaa3t@kahuna
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24 17:19:21 +02:00
Paolo Bonzini
922d4578cf KVM/arm64 fixes for 5.19, take #2
- Fix a regression with pKVM when kmemleak is enabled
 
 - Add Oliver Upton as an official KVM/arm64 reviewer
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Merge tag 'kvmarm-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.19, take #2

- Fix a regression with pKVM when kmemleak is enabled

- Add Oliver Upton as an official KVM/arm64 reviewer
2022-06-23 10:27:21 -04:00
Stephen Boyd
372b2aee97 arm64: dts: qcom: Remove duplicate sc7180-trogdor include on lazor/homestar
The sc7180-trogdor-{lazor,homestar}-*.dtsi files all include
sc7180-trogdor.dtsi and sc7180-trogdor-lazor.dtsi or
sc7180-trogdor-homestar.dtsi, so including it here in the
sc7180-trogdor-{lazor,homestar}.dtsi file means we have a duplicate
include after commit 19794489fa ("arm64: dts: qcom: Only include
sc7180.dtsi in sc7180-trogdor.dtsi"). We include the sc7180-trogdor.dtsi
file in a board like sc7180-trogdor-lazor-r1.dts so that we can include
the display bridge snippet (e.g. sc7180-trogdor-ti-sn65dsi86.dtsi)
instead of making ever increasing variants like
sc7180-trogdor-lazor-ti-sn65dsi86.dtsi.

Unfortunately, having the double include like this means the display
bridge's i2c bus is left disabled instead of enabled by the bridge
snippet. Any boards that use the i2c bus for the display bridge will
have the bus disabled when we include sc7180-trogdor.dtsi the second
time, which picks up the i2c status="disabled" line from sc7180.dtsi.
This leads to the display not turning on and black screens at boot on
lazor and homestar devices.

Fix this by dropping the include and making a note that the
sc7180-trogdor-{lazor,homestar}.dtsi file must be included after
sc7180-trogdor.dtsi

Reported-by: Douglas Anderson <dianders@chromium.org>
Cc: "Joseph S. Barrera III" <joebar@chromium.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Fixes: 19794489fa ("arm64: dts: qcom: Only include sc7180.dtsi in sc7180-trogdor.dtsi")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220602190621.1646679-1-swboyd@chromium.org
2022-06-20 21:53:45 -05:00
Aswath Govindraju
0c0af88f3f arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
AM64 SoC, does not support HS400 and HS200 is the maximum supported speed
mode[1]. Therefore, fix the device tree node to reflect the same.

[1] - https://www.ti.com/lit/ds/symlink/am6442.pdf
      (SPRSP56C – JANUARY 2021 – REVISED FEBRUARY 2022)

Fixes: 8abae9389b ("arm64: dts: ti: Add support for AM642 SoC")
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20220512064859.32059-1-a-govindraju@ti.com
2022-06-17 20:24:01 -05:00
Matt Ranostay
856216b70a arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region
GICD region was overlapping with GICR causing the latter to not map
successfully, and in turn the gic-v3 driver would fail to initialize.

This issue was hidden till commit 2b2cd74a06 ("irqchip/gic-v3: Claim
iomem resources") replaced of_iomap() calls with of_io_request_and_map()
that internally called request_mem_region().

Respective console output before this patchset:

[    0.000000] GICv3: /bus@100000/interrupt-controller@1800000: couldn't map region 0

Fixes: b8545f9d3a ("arm64: dts: ti: Add initial support for J721S2 SoC")
Cc: linux-stable@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20220617151304.446607-1-mranostay@ti.com
2022-06-17 20:23:56 -05:00
Linus Torvalds
ef06e68290 arm64 fixes for 5.19-rc3:
- Revert the moving of the jump labels initialisation before
   setup_machine_fdt(). The bug was fixed in drivers/char/random.c.
 
 - Ftrace fixes: branch range check and consistent handling of PLTs.
 
 - Clean rather than invalidate FROM_DEVICE buffers at start of DMA
   transfer (safer if such buffer is mapped in user space). A cache
   invalidation is done already at the end of the transfer.
 
 - A couple of clean-ups (unexport symbol, remove unused label).
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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:

 - Revert the moving of the jump labels initialisation before
   setup_machine_fdt(). The bug was fixed in drivers/char/random.c.

 - Ftrace fixes: branch range check and consistent handling of PLTs.

 - Clean rather than invalidate FROM_DEVICE buffers at start of DMA
   transfer (safer if such buffer is mapped in user space). A cache
   invalidation is done already at the end of the transfer.

 - A couple of clean-ups (unexport symbol, remove unused label).

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
  arm64/cpufeature: Unexport set_cpu_feature()
  arm64: ftrace: remove redundant label
  arm64: ftrace: consistently handle PLTs.
  arm64: ftrace: fix branch range checks
  Revert "arm64: Initialize jump labels before setup_machine_fdt()"
2022-06-17 13:55:19 -05:00
Will Deacon
c50f11c619 arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
Invalidating the buffer memory in arch_sync_dma_for_device() for
FROM_DEVICE transfers

When using the streaming DMA API to map a buffer prior to inbound
non-coherent DMA (i.e. DMA_FROM_DEVICE), we invalidate any dirty CPU
cachelines so that they will not be written back during the transfer and
corrupt the buffer contents written by the DMA. This, however, poses two
potential problems:

  (1) If the DMA transfer does not write to every byte in the buffer,
      then the unwritten bytes will contain stale data once the transfer
      has completed.

  (2) If the buffer has a virtual alias in userspace, then stale data
      may be visible via this alias during the period between performing
      the cache invalidation and the DMA writes landing in memory.

Address both of these issues by cleaning (aka writing-back) the dirty
lines in arch_sync_dma_for_device(DMA_FROM_DEVICE) instead of discarding
them using invalidation.

Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220606152150.GA31568@willie-the-truck
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220610151228.4562-2-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-17 19:06:06 +01:00
Quentin Perret
56961c6331 KVM: arm64: Prevent kmemleak from accessing pKVM memory
Commit a7259df767 ("memblock: make memblock_find_in_range method
private") changed the API using which memory is reserved for the pKVM
hypervisor. However, memblock_phys_alloc() differs from the original API in
terms of kmemleak semantics -- the old one didn't report the reserved
regions to kmemleak while the new one does. Unfortunately, when protected
KVM is enabled, all kernel accesses to pKVM-private memory result in a
fatal exception, which can now happen because of kmemleak scans:

$ echo scan > /sys/kernel/debug/kmemleak
[   34.991354] kvm [304]: nVHE hyp BUG at: [<ffff800008fa3750>] __kvm_nvhe_handle_host_mem_abort+0x270/0x290!
[   34.991580] kvm [304]: Hyp Offset: 0xfffe8be807e00000
[   34.991813] Kernel panic - not syncing: HYP panic:
[   34.991813] PS:600003c9 PC:0000f418011a3750 ESR:00000000f2000800
[   34.991813] FAR:ffff000439200000 HPFAR:0000000004792000 PAR:0000000000000000
[   34.991813] VCPU:0000000000000000
[   34.993660] CPU: 0 PID: 304 Comm: bash Not tainted 5.19.0-rc2 #102
[   34.994059] Hardware name: linux,dummy-virt (DT)
[   34.994452] Call trace:
[   34.994641]  dump_backtrace.part.0+0xcc/0xe0
[   34.994932]  show_stack+0x18/0x6c
[   34.995094]  dump_stack_lvl+0x68/0x84
[   34.995276]  dump_stack+0x18/0x34
[   34.995484]  panic+0x16c/0x354
[   34.995673]  __hyp_pgtable_total_pages+0x0/0x60
[   34.995933]  scan_block+0x74/0x12c
[   34.996129]  scan_gray_list+0xd8/0x19c
[   34.996332]  kmemleak_scan+0x2c8/0x580
[   34.996535]  kmemleak_write+0x340/0x4a0
[   34.996744]  full_proxy_write+0x60/0xbc
[   34.996967]  vfs_write+0xc4/0x2b0
[   34.997136]  ksys_write+0x68/0xf4
[   34.997311]  __arm64_sys_write+0x20/0x2c
[   34.997532]  invoke_syscall+0x48/0x114
[   34.997779]  el0_svc_common.constprop.0+0x44/0xec
[   34.998029]  do_el0_svc+0x2c/0xc0
[   34.998205]  el0_svc+0x2c/0x84
[   34.998421]  el0t_64_sync_handler+0xf4/0x100
[   34.998653]  el0t_64_sync+0x18c/0x190
[   34.999252] SMP: stopping secondary CPUs
[   35.000034] Kernel Offset: disabled
[   35.000261] CPU features: 0x800,00007831,00001086
[   35.000642] Memory Limit: none
[   35.001329] ---[ end Kernel panic - not syncing: HYP panic:
[   35.001329] PS:600003c9 PC:0000f418011a3750 ESR:00000000f2000800
[   35.001329] FAR:ffff000439200000 HPFAR:0000000004792000 PAR:0000000000000000
[   35.001329] VCPU:0000000000000000 ]---

Fix this by explicitly excluding the hypervisor's memory pool from
kmemleak like we already do for the hyp BSS.

Cc: Mike Rapoport <rppt@kernel.org>
Fixes: a7259df767 ("memblock: make memblock_find_in_range method private")
Signed-off-by: Quentin Perret <qperret@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220616161135.3997786-1-qperret@google.com
2022-06-17 09:48:38 +01:00
Mark Brown
3f77a1d057 arm64/cpufeature: Unexport set_cpu_feature()
We currently export set_cpu_feature() to modules but there are no in tree
users that can be built as modules and it is hard to see cases where it
would make sense for there to be any such users. Remove the export to avoid
anyone else having to worry about why it is there and ensure that any users
that do get added get a bit more visiblity.

Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220615191504.626604-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-16 18:42:26 +01:00
Mark Rutland
0d8116ccd8 arm64: ftrace: remove redundant label
Since commit:

  c4a0ebf87c ("arm64/ftrace: Make function graph use ftrace directly")

The 'ftrace_common_return' label has been unused.

Remove it.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-4-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-15 16:14:47 +01:00
Mark Rutland
a625357997 arm64: ftrace: consistently handle PLTs.
Sometimes it is necessary to use a PLT entry to call an ftrace
trampoline. This is handled by ftrace_make_call() and ftrace_make_nop(),
with each having *almost* identical logic, but this is not handled by
ftrace_modify_call() since its introduction in commit:

  3b23e4991f ("arm64: implement ftrace with regs")

Due to this, if we ever were to call ftrace_modify_call() for a callsite
which requires a PLT entry for a trampoline, then either:

a) If the old addr requires a trampoline, ftrace_modify_call() will use
   an out-of-range address to generate the 'old' branch instruction.
   This will result in warnings from aarch64_insn_gen_branch_imm() and
   ftrace_modify_code(), and no instructions will be modified. As
   ftrace_modify_call() will return an error, this will result in
   subsequent internal ftrace errors.

b) If the old addr does not require a trampoline, but the new addr does,
   ftrace_modify_call() will use an out-of-range address to generate the
   'new' branch instruction. This will result in warnings from
   aarch64_insn_gen_branch_imm(), and ftrace_modify_code() will replace
   the 'old' branch with a BRK. This will result in a kernel panic when
   this BRK is later executed.

Practically speaking, case (a) is vastly more likely than case (b), and
typically this will result in internal ftrace errors that don't
necessarily affect the rest of the system. This can be demonstrated with
an out-of-tree test module which triggers ftrace_modify_call(), e.g.

| # insmod test_ftrace.ko
| test_ftrace: Function test_function raw=0xffffb3749399201c, callsite=0xffffb37493992024
| branch_imm_common: offset out of range
| branch_imm_common: offset out of range
| ------------[ ftrace bug ]------------
| ftrace failed to modify
| [<ffffb37493992024>] test_function+0x8/0x38 [test_ftrace]
|  actual:   1d:00:00:94
| Updating ftrace call site to call a different ftrace function
| ftrace record flags: e0000002
|  (2) R
|  expected tramp: ffffb374ae42ed54
| ------------[ cut here ]------------
| WARNING: CPU: 0 PID: 165 at kernel/trace/ftrace.c:2085 ftrace_bug+0x280/0x2b0
| Modules linked in: test_ftrace(+)
| CPU: 0 PID: 165 Comm: insmod Not tainted 5.19.0-rc2-00002-g4d9ead8b45ce #13
| Hardware name: linux,dummy-virt (DT)
| pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
| pc : ftrace_bug+0x280/0x2b0
| lr : ftrace_bug+0x280/0x2b0
| sp : ffff80000839ba00
| x29: ffff80000839ba00 x28: 0000000000000000 x27: ffff80000839bcf0
| x26: ffffb37493994180 x25: ffffb374b0991c28 x24: ffffb374b0d70000
| x23: 00000000ffffffea x22: ffffb374afcc33b0 x21: ffffb374b08f9cc8
| x20: ffff572b8462c000 x19: ffffb374b08f9000 x18: ffffffffffffffff
| x17: 6c6c6163202c6331 x16: ffffb374ae5ad110 x15: ffffb374b0d51ee4
| x14: 0000000000000000 x13: 3435646532346561 x12: 3437336266666666
| x11: 203a706d61727420 x10: 6465746365707865 x9 : ffffb374ae5149e8
| x8 : 336266666666203a x7 : 706d617274206465 x6 : 00000000fffff167
| x5 : ffff572bffbc4a08 x4 : 00000000fffff167 x3 : 0000000000000000
| x2 : 0000000000000000 x1 : ffff572b84461e00 x0 : 0000000000000022
| Call trace:
|  ftrace_bug+0x280/0x2b0
|  ftrace_replace_code+0x98/0xa0
|  ftrace_modify_all_code+0xe0/0x144
|  arch_ftrace_update_code+0x14/0x20
|  ftrace_startup+0xf8/0x1b0
|  register_ftrace_function+0x38/0x90
|  test_ftrace_init+0xd0/0x1000 [test_ftrace]
|  do_one_initcall+0x50/0x2b0
|  do_init_module+0x50/0x1f0
|  load_module+0x17c8/0x1d64
|  __do_sys_finit_module+0xa8/0x100
|  __arm64_sys_finit_module+0x2c/0x3c
|  invoke_syscall+0x50/0x120
|  el0_svc_common.constprop.0+0xdc/0x100
|  do_el0_svc+0x3c/0xd0
|  el0_svc+0x34/0xb0
|  el0t_64_sync_handler+0xbc/0x140
|  el0t_64_sync+0x18c/0x190
| ---[ end trace 0000000000000000 ]---

We can solve this by consistently determining whether to use a PLT entry
for an address.

Note that since (the earlier) commit:

  f1a54ae9af ("arm64: module/ftrace: intialize PLT at load time")

... we can consistently determine the PLT address that a given callsite
will use, and therefore ftrace_make_nop() does not need to skip
validation when a PLT is in use.

This patch factors the existing logic out of ftrace_make_call() and
ftrace_make_nop() into a common ftrace_find_callable_addr() helper
function, which is used by ftrace_make_call(), ftrace_make_nop(), and
ftrace_modify_call(). In ftrace_make_nop() the patching is consistently
validated by ftrace_modify_code() as we can always determine what the
old instruction should have been.

Fixes: 3b23e4991f ("arm64: implement ftrace with regs")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-3-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-15 16:14:47 +01:00
Mark Rutland
3eefdf9d1e arm64: ftrace: fix branch range checks
The branch range checks in ftrace_make_call() and ftrace_make_nop() are
incorrect, erroneously permitting a forwards branch of 128M and
erroneously rejecting a backwards branch of 128M.

This is because both functions calculate the offset backwards,
calculating the offset *from* the target *to* the branch, rather than
the other way around as the later comparisons expect.

If an out-of-range branch were erroeously permitted, this would later be
rejected by aarch64_insn_gen_branch_imm() as branch_imm_common() checks
the bounds correctly, resulting in warnings and the placement of a BRK
instruction. Note that this can only happen for a forwards branch of
exactly 128M, and so the caller would need to be exactly 128M bytes
below the relevant ftrace trampoline.

If an in-range branch were erroeously rejected, then:

* For modules when CONFIG_ARM64_MODULE_PLTS=y, this would result in the
  use of a PLT entry, which is benign.

  Note that this is the common case, as this is selected by
  CONFIG_RANDOMIZE_BASE (and therefore RANDOMIZE_MODULE_REGION_FULL),
  which distributions typically seelct. This is also selected by
  CONFIG_ARM64_ERRATUM_843419.

* For modules when CONFIG_ARM64_MODULE_PLTS=n, this would result in
  internal ftrace failures.

* For core kernel text, this would result in internal ftrace failues.

  Note that for this to happen, the kernel text would need to be at
  least 128M bytes in size, and typical configurations are smaller tha
  this.

Fix this by calculating the offset *from* the branch *to* the target in
both functions.

Fixes: f8af0b364e ("arm64: ftrace: don't validate branch via PLT in ftrace_make_nop()")
Fixes: e71a4e1beb ("arm64: ftrace: add support for far branches to dynamic ftrace")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Tested-by: "Ivan T. Ivanov" <iivanov@suse.de>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220614080944.1349146-2-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-15 16:14:46 +01:00
Catalin Marinas
27d8fa2078 Revert "arm64: Initialize jump labels before setup_machine_fdt()"
This reverts commit 73e2d827a5.

The reverted patch was needed as a fix after commit f5bda35fba
("random: use static branch for crng_ready()"). However, this was
already fixed by 60e5b2886b ("random: do not use jump labels before
they are initialized") and hence no longer necessary to initialise jump
labels before setup_machine_fdt().

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-15 16:14:32 +01:00
Linus Torvalds
24625f7d91 ARM64:
* Properly reset the SVE/SME flags on vcpu load
 
 * Fix a vgic-v2 regression regarding accessing the pending
 state of a HW interrupt from userspace (and make the code
 common with vgic-v3)
 
 * Fix access to the idreg range for protected guests
 
 * Ignore 'kvm-arm.mode=protected' when using VHE
 
 * Return an error from kvm_arch_init_vm() on allocation failure
 
 * A bunch of small cleanups (comments, annotations, indentation)
 
 RISC-V:
 
 * Typo fix in arch/riscv/kvm/vmid.c
 
 * Remove broken reference pattern from MAINTAINERS entry
 
 x86-64:
 
 * Fix error in page tables with MKTME enabled
 
 * Dirty page tracking performance test extended to running a nested
   guest
 
 * Disable APICv/AVIC in cases that it cannot implement correctly
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "While last week's pull request contained miscellaneous fixes for x86,
  this one covers other architectures, selftests changes, and a bigger
  series for APIC virtualization bugs that were discovered during 5.20
  development. The idea is to base 5.20 development for KVM on top of
  this tag.

  ARM64:

   - Properly reset the SVE/SME flags on vcpu load

   - Fix a vgic-v2 regression regarding accessing the pending state of a
     HW interrupt from userspace (and make the code common with vgic-v3)

   - Fix access to the idreg range for protected guests

   - Ignore 'kvm-arm.mode=protected' when using VHE

   - Return an error from kvm_arch_init_vm() on allocation failure

   - A bunch of small cleanups (comments, annotations, indentation)

  RISC-V:

   - Typo fix in arch/riscv/kvm/vmid.c

   - Remove broken reference pattern from MAINTAINERS entry

  x86-64:

   - Fix error in page tables with MKTME enabled

   - Dirty page tracking performance test extended to running a nested
     guest

   - Disable APICv/AVIC in cases that it cannot implement correctly"

[ This merge also fixes a misplaced end parenthesis bug introduced in
  commit 3743c2f025 ("KVM: x86: inhibit APICv/AVIC on changes to APIC
  ID or APIC base") pointed out by Sean Christopherson ]

Link: https://lore.kernel.org/all/20220610191813.371682-1-seanjc@google.com/

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
  KVM: selftests: Restrict test region to 48-bit physical addresses when using nested
  KVM: selftests: Add option to run dirty_log_perf_test vCPUs in L2
  KVM: selftests: Clean up LIBKVM files in Makefile
  KVM: selftests: Link selftests directly with lib object files
  KVM: selftests: Drop unnecessary rule for STATIC_LIBS
  KVM: selftests: Add a helper to check EPT/VPID capabilities
  KVM: selftests: Move VMX_EPT_VPID_CAP_AD_BITS to vmx.h
  KVM: selftests: Refactor nested_map() to specify target level
  KVM: selftests: Drop stale function parameter comment for nested_map()
  KVM: selftests: Add option to create 2M and 1G EPT mappings
  KVM: selftests: Replace x86_page_size with PG_LEVEL_XX
  KVM: x86: SVM: fix nested PAUSE filtering when L0 intercepts PAUSE
  KVM: x86: SVM: drop preempt-safe wrappers for avic_vcpu_load/put
  KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking
  KVM: x86: disable preemption while updating apicv inhibition
  KVM: x86: SVM: fix avic_kick_target_vcpus_fast
  KVM: x86: SVM: remove avic's broken code that updated APIC ID
  KVM: x86: inhibit APICv/AVIC on changes to APIC ID or APIC base
  KVM: x86: document AVIC/APICv inhibit reasons
  KVM: x86/mmu: Set memory encryption "value", not "mask", in shadow PDPTRs
  ...
2022-06-14 07:57:18 -07:00
Arnd Bergmann
2d2cb31bd3 S32G2 fixes for 5.19
- MAINTAINERS: Add s32@nxp.com as a review group.
 - dts: Pass unit name to soc node to fix a W=1 build warning.
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Merge tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g into arm/fixes

S32G2 fixes for 5.19

- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.

* tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g:
  MAINTAINERS: add a new reviewer for S32G
  arm64: s32g2: Pass unit name to soc node

Link: https://lore.kernel.org/r/Yp9Y4nGrQ2kVKV6S@linux-8mug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:19:58 +02:00