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982,081 commits

Author SHA1 Message Date
Tuong Lien
bb8872a1e6 tipc: fix using smp_processor_id() in preemptible
The 'this_cpu_ptr()' is used to obtain the AEAD key' TFM on the current
CPU for encryption, however the execution can be preemptible since it's
actually user-space context, so the 'using smp_processor_id() in
preemptible' has been observed.

We fix the issue by using the 'get/put_cpu_ptr()' API which consists of
a 'preempt_disable()' instead.

Fixes: fc1b6d6de2 ("tipc: introduce TIPC encryption & authentication")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-30 19:12:17 -07:00
Tian Tao
acad3fe650 drm/hisilicon: Removed the dependency on the mmu
hibmc can only be used in ARM64 architectures, and mmu defaults to y
in arch/arm64/Kconfig, so there is no need to add a dependency on mmu
in hibmc's kconfig.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1598428528-49046-1-git-send-email-tiantao6@hisilicon.com
2020-08-30 20:35:55 -04:00
Xu Yilun
89eb35e810 fpga: dfl: map feature mmio resources in their own feature drivers
This patch makes preparation for modularization of DFL sub feature
drivers.

DFL based FPGA devices may contain some IP blocks which are already
supported by kernel, most of them are supported by platform device
drivers. We could create platform devices for these IP blocks and get them
supported by these drivers.

An important issue is that platform device drivers usually requests mmio
resources on probe. But now DFL mmio is mapped in DFL bus driver (e.g.
dfl-pci) as a whole region. Then platform device drivers for sub features
can't request their own mmio resources again. This is what the patch
trying to resolve.

This patch changes the DFL enumeration. DFL bus driver will unmap mmio
resources after first step enumeration and pass enumeration info to DFL
framework. Then DFL framework will map the mmio resources again, do 2nd
step enumeration, and also unmap the mmio resources. In this way, sub
feature drivers could then request their own mmio resources as needed.

An exception is that mmio resource of FIU headers are still mapped in DFL
bus driver. The FIU headers have some fundamental functions (sriov set,
port enable/disable) needed for DFL bus devices and other sub features.
They should not be unmapped as long as DFL bus device is alive.

Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Acked-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
2020-08-30 17:15:58 -07:00
Luca Ceresoli
4e772ab86b fpga manager: xilinx-spi: provide better diagnostics on programming failure
When the DONE pin does not go high after programming to confirm programming
success, the INIT_B pin provides some info on the reason. Use it if
available to provide a more explanatory error message.

Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
2020-08-30 17:09:05 -07:00
Luca Ceresoli
eefe64fba9 fpga manager: xilinx-spi: add error checking after gpiod_get_value()
Current code calls gpiod_get_value() without error checking. Should the
GPIO controller fail, execution would continue without any error message.

Fix by checking for negative error values.

Reported-by: Tom Rix <trix@redhat.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
2020-08-30 17:08:57 -07:00
Luca Ceresoli
16b7856d94 fpga manager: xilinx-spi: fix write_complete timeout handling
If this routine sleeps because it was scheduled out, it might miss DONE
going asserted and consider it a timeout. This would potentially make the
code return an error even when programming succeeded. Rewrite the loop to
always check DONE after checking if timeout expired so this cannot happen
anymore.

While there, also add error checking for gpiod_get_value(). Also avoid
checking the DONE GPIO in two places, which would make the error-checking
code duplicated and more annoying.

The new loop it written to still guarantee that we apply 8 extra CCLK
cycles after DONE has gone asserted, which is required by the hardware.

Reported-by: Tom Rix <trix@redhat.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
2020-08-30 17:06:50 -07:00
Luca Ceresoli
a44ecdc9c9 fpga manager: xilinx-spi: remove final dot from dev_err() strings
Most dev_err messages in this file have no final dot. Remove the only two
exceptions to make them consistent.

Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
2020-08-30 17:04:18 -07:00
Linus Torvalds
f75aef392f Linux 5.9-rc3 v5.9-rc3 2020-08-30 16:01:54 -07:00
Linus Torvalds
e43327c706 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:

 - fix regression in af_alg that affects iwd

 - restore polling delay in qat

 - fix double free in ingenic on error path

 - fix potential build failure in sa2ul due to missing Kconfig dependency

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: af_alg - Work around empty control messages without MSG_MORE
  crypto: sa2ul - add Kconfig selects to fix build error
  crypto: ingenic - Drop kfree for memory allocated with devm_kzalloc
  crypto: qat - add delay before polling mailbox
2020-08-30 15:53:44 -07:00
Paul Cercueil
3b5b005ef7
drm/ingenic: Fix driver not probing when IPU port is missing
Even if support for the IPU was compiled in, we may run on a device
(e.g. the Qi LB60) where the IPU is not available, or simply with an old
devicetree without the IPU node. In that case the ingenic-drm refused to
probe.

Fix the driver so that it will probe even if the IPU node is not present
in devicetree (but then IPU support is disabled of course).

v2: Take a different approach

Fixes: fc1acf317b ("drm/ingenic: Add support for the IPU")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200827114404.36748-2-paul@crapouillou.net
2020-08-31 00:52:40 +02:00
Paul Cercueil
1a21e5b930
drm/ingenic: Fix leak of device_node pointer
of_graph_get_remote_node() requires of_node_put() to be called on the
device_node pointer when it's no more in use.

Fixes: fc1acf317b ("drm/ingenic: Add support for the IPU")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200827114404.36748-1-paul@crapouillou.net
2020-08-31 00:52:32 +02:00
Adrian Schmutzler
9caff35d7e arm64: dts: rockchip: replace status value "ok" by "okay"
While the DT parser recognizes "ok" as a valid value for the
"status" property, it is actually mentioned nowhere. Use the
proper value "okay" instead, as done in the majority of files
already.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Link: https://lore.kernel.org/r/20200830201112.1934-1-freifunk@adrianschmutzler.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 23:28:53 +02:00
Adrian Schmutzler
0cf10e6f94 ARM: dts: rockchip: replace status value "ok" by "okay"
While the DT parser recognizes "ok" as a valid value for the
"status" property, it is actually mentioned nowhere. Use the
proper value "okay" instead, as done in the majority of files
already.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Link: https://lore.kernel.org/r/20200830190820.20583-1-freifunk@adrianschmutzler.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:47:07 +02:00
Johan Jonker
20e464c0f1 ARM: dts: rockchip: update cpu supplies on rk3066a
The use of cpu0-supply for cpu0 alone is deprecated,
so add cpu-supply to each cpu separately and
update all existing rk3066a boards.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813172451.13754-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:46:14 +02:00
Johan Jonker
9ab4a7312b ARM: dts: rockchip: rk3066a: add label to cpu@1
Add label to cpu@1 for later use.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813172451.13754-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:46:14 +02:00
Johan Jonker
b282ae0511 ARM: dts: rockchip: update cpu supplies on rk3288
The use of cpu0-supply for cpu0 alone is deprecated,
so add cpu-supply to each cpu separately and
update all existing rk3288 boards that use this property.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813180241.14660-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:45:20 +02:00
Cathy Zhang
61aa9a0a5e x86/kvm: Expose TSX Suspend Load Tracking feature
TSX suspend load tracking instruction is supported by the Intel uarch
Sapphire Rapids. It aims to give a way to choose which memory accesses
do not need to be tracked in the TSX read set. It's availability is
indicated as CPUID.(EAX=7,ECX=0):EDX[bit 16].

Expose TSX Suspend Load Address Tracking feature in KVM CPUID, so KVM
could pass this information to guests and they can make use of this
feature accordingly.

Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/1598316478-23337-3-git-send-email-cathy.zhang@intel.com
2020-08-30 21:34:10 +02:00
Johan Jonker
4be8df7b3b arm64: dts: rockchip: fix cpu-supply for rk3328-evb
The property cpu-supply should be added to each cpu separately,
so fix that for rk3328-evb.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200813181711.15906-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:28:33 +02:00
Johan Jonker
964ed0807b arm64: dts: rockchip: add rk3318 A95X Z2 board
The rk3318 A95X Z2 boards are sold as TV box.
No further documentation is given, but from the dts files
extracted it seems that the rk3318 processor is simulair
to the rk3328. This dts file contains only the basic nodes
that have support in the mainline kernel.

Features:

CPU: RK3318 Quad-Core Cortex-A53
GPU: Mali-450
RAM: 2/4GB DDR3
ROM: EMMC 16/32/64GB
HDMI: HDMI 2.0a for 4k@60Hz
Ethernet: 10/100M standard RJ-45
WiFi: 2.4G+5G WIFI, 802.11 b/g/n
Bluetooth: 4.0
1 x USB 3.0
1 x USB 2.0
1 x Micro SD card slot
1 x SPDIF
1 x AV
1 x DC IN

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200808160618.15445-4-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Johan Jonker
0dc8c62c92 dt-bindings: arm: rockchip: add Zkmagic A95X Z2 description
Add Zkmagic A95X Z2 description for a board with rk3318 processor.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200808160618.15445-3-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Johan Jonker
cb1cc137a2 dt-bindings: Add vendor prefix for Shenzhen Zkmagic Technology Co., Ltd.
Add vendor prefix for Shenzhen Zkmagic Technology Co., Ltd.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200808160618.15445-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Jagan Teki
93e0e8ce5f arm64: dts: rockchip: Add Radxa ROCK Pi 4C support
Rock PI 4C has AP6256 Wifi/BT, PoE, miniDP, USB Host enabled
GPIO pin change compared to 4B, 4C.

So, add or enable difference nodes/properties in 4C dts
by including common dtsi.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200807094826.12019-4-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Jagan Teki
c1075b7fcc arm64: dts: rockchip: Add Radxa ROCK Pi 4B support
RockPI 4B has AP6256 Wifi/BT, so enable them in 4B dts
instead of enable in common dtsi.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200807094826.12019-3-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Jagan Teki
b5edb04673 arm64: dts: rockchip: Mark rock-pi-4 as rock-pi-4a dts
ROCKPi 4 has 3 variants of hardware platforms called
RockPI 4A, 4B, and 4C.

- ROCKPi 4A has no Wif/BT.
- ROCKPi 4B has AP6256 Wifi/BT, PoE.
- ROCKPi 4C has AP6256 Wifi/BT, PoE, miniDP, USB Host enabled
  GPIO pin change compared to 4B, 4C

So move common nodes, properties into dtsi file and include
on respective variant dts files.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200807094826.12019-2-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:39 +02:00
Jagan Teki
75a0a65a30 dt-bindings: arm: rockchip: Update ROCKPi 4 binding
ROCKPi 4 has 3 variants of hardware platforms called
ROCKPi 4A, 4B, and 4C.

- ROCKPi 4A has no Wif/BT.
- ROCKPi 4B has AP6256 Wifi/BT, PoE.
- ROCKPi 4C has AP6256 Wifi/BT, PoE, miniDP, USB Host enabled
  GPIO pin change compared to 4B, 4C

So, update the existing ROCKPi 4 binding to support
ROCKPi 4A/B/C hardware platforms.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200807094826.12019-1-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:38 +02:00
Johan Jonker
bc1f9bff06 arm64: dts: rockchip: change spdif fallback compatible on rk3308
A test with the command below shows that the compatible string

"rockchip,rk3308-spdif", "rockchip,rk3328-spdif"

is already in use, but is not added to a document.
The current fallback string "rockchip,rk3328-spdif" points to a data
set enum RK_SPDIF_RK3366 in rockchip_spdif.c that is not used both
in the mainline as in the manufacturer kernel.
(Of the enum only RK_SPDIF_RK3288 is used.)
So if the properties don't change we might as well use the first SoC
in line as fallback string and add the description for rk3308 as:

"rockchip,rk3308-spdif", "rockchip,rk3066-spdif"

make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/rockchip-spdif.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200818143727.5882-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 21:11:25 +02:00
Linus Torvalds
dcc5c6f013 Three interrupt related fixes for X86:
- Move disabling of the local APIC after invoking fixup_irqs() to ensure
    that interrupts which are incoming are noted in the IRR and not ignored.
 
  - Unbreak affinity setting. The rework of the entry code reused the
    regular exception entry code for device interrupts. The vector number is
    pushed into the errorcode slot on the stack which is then lifted into an
    argument and set to -1 because that's regs->orig_ax which is used in
    quite some places to check whether the entry came from a syscall. But it
    was overlooked that orig_ax is used in the affinity cleanup code to
    validate whether the interrupt has arrived on the new target. It turned
    out that this vector check is pointless because interrupts are never
    moved from one vector to another on the same CPU. That check is a
    historical leftover from the time where x86 supported multi-CPU
    affinities, but not longer needed with the now strict single CPU
    affinity. Famous last words ...
 
  - Add a missing check for an empty cpumask into the matrix allocator. The
    affinity change added a warning to catch the case where an interrupt is
    moved on the same CPU to a different vector. This triggers because a
    condition with an empty cpumask returns an assignment from the allocator
    as the allocator uses for_each_cpu() without checking the cpumask for
    being empty. The historical inconsistent for_each_cpu() behaviour of
    ignoring the cpumask and unconditionally claiming that CPU0 is in the
    mask striked again. Sigh.
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Merge tag 'x86-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "Three interrupt related fixes for X86:

   - Move disabling of the local APIC after invoking fixup_irqs() to
     ensure that interrupts which are incoming are noted in the IRR and
     not ignored.

   - Unbreak affinity setting.

     The rework of the entry code reused the regular exception entry
     code for device interrupts. The vector number is pushed into the
     errorcode slot on the stack which is then lifted into an argument
     and set to -1 because that's regs->orig_ax which is used in quite
     some places to check whether the entry came from a syscall.

     But it was overlooked that orig_ax is used in the affinity cleanup
     code to validate whether the interrupt has arrived on the new
     target. It turned out that this vector check is pointless because
     interrupts are never moved from one vector to another on the same
     CPU. That check is a historical leftover from the time where x86
     supported multi-CPU affinities, but not longer needed with the now
     strict single CPU affinity. Famous last words ...

   - Add a missing check for an empty cpumask into the matrix allocator.

     The affinity change added a warning to catch the case where an
     interrupt is moved on the same CPU to a different vector. This
     triggers because a condition with an empty cpumask returns an
     assignment from the allocator as the allocator uses for_each_cpu()
     without checking the cpumask for being empty. The historical
     inconsistent for_each_cpu() behaviour of ignoring the cpumask and
     unconditionally claiming that CPU0 is in the mask struck again.
     Sigh.

  plus a new entry into the MAINTAINER file for the HPE/UV platform"

* tag 'x86-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
  x86/irq: Unbreak interrupt affinity setting
  x86/hotplug: Silence APIC only after all interrupts are migrated
  MAINTAINERS: Add entry for HPE Superdome Flex (UV) maintainers
2020-08-30 12:01:23 -07:00
Jagan Teki
bd77d0ad7a arm64: dts: rockchip: Fix power routing to support POE on rk3399-roc-pc
When POE used, the current power routing is failing to power-up
the PMIC regulators which cause Linux boot hangs.

This patch is trying to update the power routing in order to
support Type C0 and POE powering methods.

As per the schematics, sys_12v is a common output power regulator
when type c and POE power being used. sys_12v is supplied by dc_12v
which is supplied from MP8859 in type c0 power routing and sys_12v
is supplied by MP8009 PoE PD in POE power supply routing.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Suniel Mahesh <sunil@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200818184505.30064-1-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-08-30 20:56:59 +02:00
Linus Torvalds
d2283cdc18 A set of fixes for interrupt chip drivers:
- Revert the platform driver conversion of interrupt chip drivers as it
    turned out to create more problems than it solves.
 
  - Fix a trivial typo in the new module helpers which made probing reliably
    fail.
 
  - Small fixes in the STM32 and MIPS Ingenic drivers
 
  - The TI firmware rework which had badly managed dependencies and had to
    wait post rc1.
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Merge tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A set of fixes for interrupt chip drivers:

   - Revert the platform driver conversion of interrupt chip drivers as
     it turned out to create more problems than it solves.

   - Fix a trivial typo in the new module helpers which made probing
     reliably fail.

   - Small fixes in the STM32 and MIPS Ingenic drivers

   - The TI firmware rework which had badly managed dependencies and had
     to wait post rc1"

* tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/ingenic: Leave parent IRQ unmasked on suspend
  irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake
  irqchip: Revert modular support for drivers using IRQCHIP_PLATFORM_DRIVER helperse
  irqchip: Fix probing deferal when using IRQCHIP_PLATFORM_DRIVER helpers
  arm64: dts: k3-am65: Update the RM resource types
  arm64: dts: k3-am65: ti-sci-inta/intr: Update to latest bindings
  arm64: dts: k3-j721e: ti-sci-inta/intr: Update to latest bindings
  irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC
  irqchip/ti-sci-inta: Do not store TISCI device id in platform device id field
  dt-bindings: irqchip: Convert ti, sci-inta bindings to yaml
  dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent.
  irqchip/ti-sci-intr: Add support for INTR being a parent to INTR
  dt-bindings: irqchip: Convert ti, sci-intr bindings to yaml
  dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
  firmware: ti_sci: Add support for getting resource with subtype
  firmware: ti_sci: Drop unused structure ti_sci_rm_type_map
  firmware: ti_sci: Drop the device id to resource type translation
2020-08-30 11:56:54 -07:00
Linus Torvalds
0063a82de9 A single fix for the scheduler:
- Make is_idle_task() __always_inline to prevent the compiler from putting
    it out of line into the wrong section because it's used inside noinstr
    sections.
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Merge tag 'sched-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Thomas Gleixner:
 "A single fix for the scheduler:

   - Make is_idle_task() __always_inline to prevent the compiler from
     putting it out of line into the wrong section because it's used
     inside noinstr sections"

* tag 'sched-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Use __always_inline on is_idle_task()
2020-08-30 11:50:53 -07:00
Linus Torvalds
b69bea8a65 A set of fixes for lockdep, tracing and RCU:
- Prevent recursion by using raw_cpu_* operations
 
   - Fixup the interrupt state in the cpu idle code to be consistent
 
   - Push rcu_idle_enter/exit() invocations deeper into the idle path so
     that the lock operations are inside the RCU watching sections
 
   - Move trace_cpu_idle() into generic code so it's called before RCU goes
     idle.
 
   - Handle raw_local_irq* vs. local_irq* operations correctly
 
   - Move the tracepoints out from under the lockdep recursion handling
     which turned out to be fragile and inconsistent.
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Merge tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:
 "A set of fixes for lockdep, tracing and RCU:

   - Prevent recursion by using raw_cpu_* operations

   - Fixup the interrupt state in the cpu idle code to be consistent

   - Push rcu_idle_enter/exit() invocations deeper into the idle path so
     that the lock operations are inside the RCU watching sections

   - Move trace_cpu_idle() into generic code so it's called before RCU
     goes idle.

   - Handle raw_local_irq* vs. local_irq* operations correctly

   - Move the tracepoints out from under the lockdep recursion handling
     which turned out to be fragile and inconsistent"

* tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep,trace: Expose tracepoints
  lockdep: Only trace IRQ edges
  mips: Implement arch_irqs_disabled()
  arm64: Implement arch_irqs_disabled()
  nds32: Implement arch_irqs_disabled()
  locking/lockdep: Cleanup
  x86/entry: Remove unused THUNKs
  cpuidle: Move trace_cpu_idle() into generic code
  cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic
  sched,idle,rcu: Push rcu_idle deeper into the idle path
  cpuidle: Fixup IRQ state
  lockdep: Use raw_cpu_*() for per-cpu variables
2020-08-30 11:43:50 -07:00
Linus Torvalds
3edd8db2d5 DFS SMB1 Fix
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Merge tag '5.9-rc2-smb-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull cfis fix from Steve French:
 "DFS fix for referral problem when using SMB1"

* tag '5.9-rc2-smb-fix' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix check of tcon dfs in smb1
2020-08-30 11:38:21 -07:00
Linus Torvalds
8bb5021cc2 powerpc fixes for 5.9 #4
Revert our removal of PROT_SAO, at least one user expressed an interest in using
 it on Power9. Instead don't allow it to be used in guests unless enabled
 explicitly at compile time.
 
 A fix for a crash introduced by a recent change to FP handling.
 
 Revert a change to our idle code that left Power10 with no idle support.
 
 One minor fix for the new scv system call path to set PPR.
 
 Fix a crash in our "generic" PMU if branch stack events were enabled.
 
 A fix for the IMC PMU, to correctly identify host kernel samples.
 
 The ADB_PMU powermac code was found to be incompatible with VMAP_STACK, so make
 them incompatible in Kconfig until the code can be fixed.
 
 A build fix in drivers/video/fbdev/controlfb.c, and a documentation fix.
 
 Thanks to:
   Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy, Giuseppe Sacco,
   Madhavan Srinivasan, Milton Miller, Nicholas Piggin, Pratik Rajesh Sampat,
   Randy Dunlap, Shawn Anastasio, Vaidyanathan Srinivasan.
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Merge tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Revert our removal of PROT_SAO, at least one user expressed an
   interest in using it on Power9. Instead don't allow it to be used in
   guests unless enabled explicitly at compile time.

 - A fix for a crash introduced by a recent change to FP handling.

 - Revert a change to our idle code that left Power10 with no idle
   support.

 - One minor fix for the new scv system call path to set PPR.

 - Fix a crash in our "generic" PMU if branch stack events were enabled.

 - A fix for the IMC PMU, to correctly identify host kernel samples.

 - The ADB_PMU powermac code was found to be incompatible with
   VMAP_STACK, so make them incompatible in Kconfig until the code can
   be fixed.

 - A build fix in drivers/video/fbdev/controlfb.c, and a documentation
   fix.

Thanks to Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy,
Giuseppe Sacco, Madhavan Srinivasan, Milton Miller, Nicholas Piggin,
Pratik Rajesh Sampat, Randy Dunlap, Shawn Anastasio, Vaidyanathan
Srinivasan.

* tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU
  Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"
  powerpc/perf: Fix reading of MSR[HV/PR] bits in trace-imc
  powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
  powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode
  powerpc/64s: scv entry should set PPR
  Documentation/powerpc: fix malformed table in syscall64-abi
  video: fbdev: controlfb: Fix build for COMPILE_TEST=y && PPC_PMAC=n
  selftests/powerpc: Update PROT_SAO test to skip ISA 3.1
  powerpc/64s: Disallow PROT_SAO in LPARs by default
  Revert "powerpc/64s: Remove PROT_SAO support"
2020-08-30 10:56:12 -07:00
Linus Torvalds
6f0306d1bf USB fixes for 5.9-rc3 - take 2
Let's try this again...  Here are some USB fixes for 5.9-rc3.
 
 This differs from the previous pull request for this release in that:
 	- the usb gadget patch now does not break some systems, and
 	  actually does what it was intended to do.  Many thanks to
 	  Marek Szyprowski for quickly noticing and testing the patch
 	  from Andy Shevchenko to resolve this issue.
 	- some more new USB quirks have been added to get some new
 	  devices to work properly based on user reports.
 
 Other than that, the original pull request patches are all here, and
 they contain:
 	- usb gadget driver fixes
 	- xhci driver fixes
 	- typec fixes
 	- new quirks and ids
 	- fixes for USB patches that went into 5.9-rc1.
 
 All of these have been tested in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Let's try this again...  Here are some USB fixes for 5.9-rc3.

  This differs from the previous pull request for this release in that
  the usb gadget patch now does not break some systems, and actually
  does what it was intended to do. Many thanks to Marek Szyprowski for
  quickly noticing and testing the patch from Andy Shevchenko to resolve
  this issue.

  Additionally, some more new USB quirks have been added to get some new
  devices to work properly based on user reports.

  Other than that, the patches are all here, and they contain:

   - usb gadget driver fixes

   - xhci driver fixes

   - typec fixes

   - new quirks and ids

   - fixes for USB patches that went into 5.9-rc1.

  All of these have been tested in linux-next with no reported issues"

* tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
  usb: storage: Add unusual_uas entry for Sony PSZ drives
  USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
  usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
  USB: gadget: u_f: Unbreak offset calculation in VLAs
  USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
  usb: typec: tcpm: Fix Fix source hard reset response for TDA 2.3.1.1 and TDA 2.3.1.2 failures
  USB: PHY: JZ4770: Fix static checker warning.
  USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
  USB: gadget: u_f: add overflow checks to VLA macros
  xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
  xhci: Do warm-reset when both CAS and XDEV_RESUME are set
  usb: host: xhci: fix ep context print mismatch in debugfs
  usb: uas: Add quirk for PNY Pro Elite
  tools: usb: move to tools buildsystem
  USB: Fix device driver race
  USB: Also match device drivers using the ->match vfunc
  usb: host: xhci-tegra: fix tegra_xusb_get_phy()
  usb: host: xhci-tegra: otg usb2/usb3 port init
  usb: hcd: Fix use after free in usb_hcd_pci_remove()
  usb: typec: ucsi: Hold con->lock for the entire duration of ucsi_register_port()
  ...
2020-08-30 10:51:03 -07:00
Linus Torvalds
42df60fcdf A fix to properly clear ghes_edac driver state on driver remove so that
a subsequent load can probe the system properly; by Shiju Jose.
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Merge tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC fix from Borislav Petkov:
 "A fix to properly clear ghes_edac driver state on driver remove so
  that a subsequent load can probe the system properly (Shiju Jose)"

* tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/ghes: Fix NULL pointer dereference in ghes_edac_register()
2020-08-30 10:47:23 -07:00
Linus Torvalds
c4011283a7 dma-mapping fixes:
- fix a possibly uninitialized variable (Dan Carpenter)
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Merge tag 'dma-mapping-5.9-2' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Fix a possibly uninitialized variable (Dan Carpenter)"

* tag 'dma-mapping-5.9-2' of git://git.infradead.org/users/hch/dma-mapping:
  dma-pool: Fix an uninitialized variable bug in atomic_pool_expand()
2020-08-30 10:37:18 -07:00
Sai Prakash Ranjan
efe788361f arm64: dts: qcom: sc7180: Fix the LLCC base register size
There is one LLCC logical bank(LLCC0) on SC7180 SoC and the
size of the LLCC0 base is 0x50000(320KB) not 2MB, so correct
the size and fix copy paste mistake carried over from SDM845.

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Fixes: 7cee5c7428 ("arm64: dts: qcom: sc7180: Fix node order")
Fixes: c831fa2999 ("arm64: dts: qcom: sc7180: Add Last level cache controller node")
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/20200818145514.16262-1-saiprakash.ranjan@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:24:30 +00:00
Jonathan Marek
0e6aa9db44 arm64: dts: qcom: use sm8250 gpucc dt-bindings
Constants were used to allow merging separately from the dt-bindings,
switch to symbolic names now that dt-bindings have landed.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20200818160445.14008-3-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:24:12 +00:00
Jonathan Marek
f126991607 arm64: dts: qcom: use sm8150 gpucc dt-bindings
Constants were used to allow merging separately from the dt-bindings,
switch to symbolic names now that dt-bindings have landed.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20200818160445.14008-2-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:24:10 +00:00
Jonathan Marek
79493db5bb arm64: dts: qcom: sm8150: fix up primary USB nodes
The compatible for hsphy has out of place indentation, and the assigned
clock rate for GCC_USB30_PRIM_MASTER_CLK is incorrect, the clock doesn't
support a rate of 150000000. Use a rate of 200000000 to match downstream.

Fixes: b33d2868e8 ("arm64: dts: qcom: sm8150: Add USB and PHY device nodes")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20200818160445.14008-1-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:23:55 +00:00
Tanmay Shah
681a607ad2 arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node
This node defines alternate DP HPD functionality of GPIO.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>
Link: https://lore.kernel.org/r/20200818033657.16074-1-tanmay@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:21:29 +00:00
Vinod Koul
bca4339bda arm64: dts: qcom: sdm845-db845c: Fix hdmi nodes
As per binding documentation, we should have dsi as node 0 and hdmi
audio as node 1, so fix it

Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: aef9a119df ("arm64: dts: qcom: sdm845-db845c: Add hdmi bridge nodes")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200828074347.3788518-1-vkoul@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:21:21 +00:00
Krzysztof Kozlowski
aa551bd7a0 arm64: dts: qcom: msm8992: Fix UART interrupt property
"interrupt" is not a valid property.

Fixes: 7f8bcc0c4c ("arm64: dts: qcom: msm8992: Add BLSP2_UART2 and I2C nodes")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200829111209.32685-1-krzk@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-08-30 17:21:11 +00:00
Thomas Gleixner
784a083037 genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
Most of the CPU mask operations behave the same way, but for_each_cpu() and
it's variants ignore the cpumask argument and claim that CPU0 is always in
the mask. This is historical, inconsistent and annoying behaviour.

The matrix allocator uses for_each_cpu() and can be called on UP with an
empty cpumask. The calling code does not expect that this succeeds but
until commit e027fffff7 ("x86/irq: Unbreak interrupt affinity setting")
this went unnoticed. That commit added a WARN_ON() to catch cases which
move an interrupt from one vector to another on the same CPU. The warning
triggers on UP.

Add a check for the cpumask being empty to prevent this.

Fixes: 2f75d9e1c9 ("genirq: Implement bitmap matrix allocator")
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
2020-08-30 19:17:28 +02:00
Kyung Min Park
18ec63faef x86/cpufeatures: Enumerate TSX suspend load address tracking instructions
Intel TSX suspend load tracking instructions aim to give a way to choose
which memory accesses do not need to be tracked in the TSX read set. Add
TSX suspend load tracking CPUID feature flag TSXLDTRK for enumeration.

A processor supports Intel TSX suspend load address tracking if
CPUID.0x07.0x0:EDX[16] is present. Two instructions XSUSLDTRK, XRESLDTRK
are available when this feature is present.

The CPU feature flag is shown as "tsxldtrk" in /proc/cpuinfo.

Signed-off-by: Kyung Min Park <kyung.min.park@intel.com>
Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/1598316478-23337-2-git-send-email-cathy.zhang@intel.com
2020-08-30 17:43:40 +02:00
Sidong Yang
05ca530268 drm/vkms: avoid warning in vkms_get_vblank_timestamp
This patch avoid the warning in vkms_get_vblank_timestamp when vblanks
aren't enabled. When running igt test kms_cursor_crc just after vkms
module, the warning raised like below. Initial value of vblank time is
zero and hrtimer.node.expires is also zero if vblank aren't enabled
before. vkms module isn't real hardware but just virtual hardware
module. so vkms can't generate a resonable timestamp when hrtimer is
off. it's best to grab the current time.

[106444.464503] [IGT] kms_cursor_crc: starting subtest pipe-A-cursor-size-change
[106444.471475] WARNING: CPU: 0 PID: 10109 at
vkms_get_vblank_timestamp+0x42/0x50 [vkms]
[106444.471511] CPU: 0 PID: 10109 Comm: kms_cursor_crc Tainted: G        W  OE
5.9.0-rc1+ #6
[106444.471514] RIP: 0010:vkms_get_vblank_timestamp+0x42/0x50 [vkms]
[106444.471528] Call Trace:
[106444.471551]  drm_get_last_vbltimestamp+0xb9/0xd0 [drm]
[106444.471566]  drm_reset_vblank_timestamp+0x63/0xe0 [drm]
[106444.471579]  drm_crtc_vblank_on+0x85/0x150 [drm]
[106444.471582]  vkms_crtc_atomic_enable+0xe/0x10 [vkms]
[106444.471592]  drm_atomic_helper_commit_modeset_enables+0x1db/0x230
[drm_kms_helper]
[106444.471594]  vkms_atomic_commit_tail+0x38/0xc0 [vkms]
[106444.471601]  commit_tail+0x97/0x130 [drm_kms_helper]
[106444.471608]  drm_atomic_helper_commit+0x117/0x140 [drm_kms_helper]
[106444.471622]  drm_atomic_commit+0x4a/0x50 [drm]
[106444.471629]  drm_atomic_helper_set_config+0x63/0xb0 [drm_kms_helper]
[106444.471642]  drm_mode_setcrtc+0x1d9/0x7b0 [drm]
[106444.471654]  ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[106444.471666]  drm_ioctl_kernel+0xb6/0x100 [drm]
[106444.471677]  drm_ioctl+0x3ad/0x470 [drm]
[106444.471688]  ? drm_mode_getcrtc+0x1a0/0x1a0 [drm]
[106444.471692]  ? tomoyo_file_ioctl+0x19/0x20
[106444.471694]  __x64_sys_ioctl+0x96/0xd0
[106444.471697]  do_syscall_64+0x37/0x80
[106444.471699]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Cc: Melissa Wen <melissa.srw@gmail.com>

Signed-off-by: Sidong Yang <realwakka@gmail.com>
Reviewed-by: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200828124553.2178-1-realwakka@gmail.com
2020-08-30 09:27:06 -04:00
Melissa Wen
39cba5cf8c drm/vkms: add alpha-premultiplied color blending
The VKMS blend function was ignoring the alpha channel and just
overwriting vaddr_src with vaddr_dst. This XRGB approach triggers a
warning when running the kms_cursor_crc/cursor-alpha-transparent test
case. In IGT, cairo_format_argb32 uses premultiplied alpha (according to
documentation). Also current DRM assumption is that alpha is
premultiplied. Therefore, this patch considers premultiplied alpha
blending eq to compose vaddr_src with vaddr_dst.

This change removes the following cursor-alpha-transparent warning:

 "Suspicious CRC: All values are 0."

V2:
- static for local functions
- const for the read-only variable argb_src
- replaces variable names
- drops unnecessary comment

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200825114532.abzdooluny2ekzvm@smtp.gmail.com
2020-08-30 09:23:26 -04:00
Krzysztof Kozlowski
674b05798f arm64: dts: imx8mm-evk: Align regulator names with schema
Device tree schema expects regulator names to be lowercase.  This fixes
dtbs_check warnings like:

    pmic@4b: regulators:LDO1:regulator-name:0: 'LDO1' does not match '^ldo[1-6]$'

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-08-30 19:58:50 +08:00
Krzysztof Kozlowski
31c78242b4 arm64: dts: imx8mm-beacon-som: Fix atmel,24c64 EEPROM compatible
Correct the EEPROM node compatible to match device tree schema (invalid
space, unknown ID) to fix dtbs_check warnings:

  arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dt.yaml: eeprom@50:
    compatible: ['microchip, at24c64d', 'atmel,24c64'] is not valid under any of the given schemas
  arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dt.yaml: eeprom@50:
    compatible:0: 'microchip, at24c64d' does not match '^[a-zA-Z][a-zA-Z0-9,+\\-._]+$'

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-08-30 19:58:50 +08:00
Krzysztof Kozlowski
a265046dd8 arm64: dts: imx8mm-beacon-som: Align regulator names with schema
Device tree schema expects regulator names to be lowercase.  This fixes
dtbs_check warnings like:

    pmic@4b: regulators:LDO1:regulator-name:0: 'LDO1' does not match '^ldo[1-6]$'

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-08-30 19:58:50 +08:00