This relatively straightforward converion saves a call to compound_head()
hidden inside put_page().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
The bare use of '9' confuses some people. We also don't need this cast,
since the compiler does exactly that cast for us.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Set p->v to NULL if we try to read beyond the end of the disk, just like
we do if we get an error returned from trying to read the disk.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
That rather complicated expression is just trying to find the offset
of this sector within a page, and there are easier ways to express that.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Since commit 67f9fd91f9, the code to wait for the read to complete has
been dead. That commit wrongly stated that the read was synchronous
already; this seems to have been a confusion about which ->readpage
operation was being called. Instead of reintroducing an asynchronous
version of read_mapping_page(), call the readahead code directly to
submit all reads first before waiting for them in read_mapping_page().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
If a page can't be written back, we need to call mapping_set_error(),
not clear the page's Uptodate flag. Also remove the clearing of PageError
on success; that flag is used for read errors, not write errors.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Since we actually know what error happened, we can report it instead
of having the generic code return -EIO for pages that were unlocked
without being marked uptodate. Also remove a test of PageError since
we have the return value at this point.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
We can cache this information in a local variable instead of communicating
from one part of the function to another via folio flags.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Over the past ten years, new machine support was based on device tree,
and an initial set of about 400 boards using ATAGS with boardfile
for booting were grandfathered in, with about half of them either
removed or converted to DT over time.
Based on the recent mailing list discussion I started, I have now
turned the findings into a set of patches that marks most board files as
'depends on UNUSED_BOARD_FILES', leaving only 38 of the 196 boards.
For the boards that are marked as unused, there are two final chances
for potential users: The removal is scheduled to take place after the
longterm stable kernel at the end of 2022, so users can stay on that
version for another few years, and if anyone still has one of these
machines and is planning to keep updating kernels beyond that version,
they can speak up now to have their boards taken off the list again.
Waiting for the LTS release also makes sure that there will be at
least one longterm kernel that contains the recent multiplatform
conversion along while still supporting all legacy boards.
The short summary of the current status is:
- The s3c24xx, cns3xxx, iop32x and mv78xx0 platforms have no known
users and will be removed entirely.
- The mmp and davinci platforms have DT support for the important
machines and will become DT-only after this.
- s3c64xx, dove, orion5x, and pxa keep some board files to allow
those to be migrated over to DT more easily, but most board files
are getting removed now. DT support on these platforms is partially
working but requires changes to additional drivers for the other
boards.
- omap1, ep93xx, sa1100, footbridge and rpc have no DT support at
the moment but have some boards with known users. Removing the board
files that nobody uses should make it easier to try a DT conversion
if anyone cares.
There is no explicit timeline what happens with the boards that remain
after this removal, but I expect to revisit this in the future, and
with most boards gone, there will be a good time to do a treewide
review of platform drivers that never gained DT support and have no
remaining in-tree board files.
Link: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0Z9vGEQbVRBo84bSyPFM-LF+hs5w8ZA51g2Z+NsdtDQA@mail.gmail.com/
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Merge tag 'arm-boardfiles-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM boardfile deprecation from Arnd Bergmann:
"Over the past ten years, new machine support was based on device tree,
and an initial set of about 400 boards using ATAGS with boardfile for
booting were grandfathered in, with about half of them either removed
or converted to DT over time.
Based on the recent mailing list discussion I started, I have now
turned the findings into a set of patches that marks most board files
as 'depends on UNUSED_BOARD_FILES', leaving only 38 of the 196 boards.
For the boards that are marked as unused, there are two final chances
for potential users: The removal is scheduled to take place after the
longterm stable kernel at the end of 2022, so users can stay on that
version for another few years, and if anyone still has one of these
machines and is planning to keep updating kernels beyond that version,
they can speak up now to have their boards taken off the list again.
Waiting for the LTS release also makes sure that there will be at
least one longterm kernel that contains the recent multiplatform
conversion along while still supporting all legacy boards.
The short summary of the current status is:
- The s3c24xx, cns3xxx, iop32x and mv78xx0 platforms have no known
users and will be removed entirely.
- The mmp and davinci platforms have DT support for the important
machines and will become DT-only after this.
- s3c64xx, dove, orion5x, and pxa keep some board files to allow
those to be migrated over to DT more easily, but most board files
are getting removed now. DT support on these platforms is partially
working but requires changes to additional drivers for the other
boards.
- omap1, ep93xx, sa1100, footbridge and rpc have no DT support at the
moment but have some boards with known users. Removing the board
files that nobody uses should make it easier to try a DT conversion
if anyone cares.
There is no explicit timeline what happens with the boards that remain
after this removal, but I expect to revisit this in the future, and
with most boards gone, there will be a good time to do a treewide
review of platform drivers that never gained DT support and have no
remaining in-tree board files"
Link: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0Z9vGEQbVRBo84bSyPFM-LF+hs5w8ZA51g2Z+NsdtDQA@mail.gmail.com/
* tag 'arm-boardfiles-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: cns3xxx: add CONFIG_UNUSED_BOARD_FILES dependency
ARM: iop32x: mark as unused
ARM: s3c: mark most board files as unused
ARM: omap1: add Kconfig dependencies for unused boards
ARM: sa1100: mark most boards as unused
ARM: footbridge: mark cats board for removal
ARM: mmp: mark all board files for removal
ARM: ep93xx: mark most board files as unused
ARM: davinci: mark all ATAGS board files as unused
ARM: orion: add ATAGS dependencies
ARM: pxa: add Kconfig dependencies for ATAGS based boards
ARM: add CONFIG_UNUSED_BOARD_FILES
ARM: add ATAGS dependencies to non-DT platforms
This adds initial support for two SoC families that have been under
review for a while. In both cases, the origonal idea was to have a
minimally functional version, but we ended up leaving out the clk drivers
that are still under review and will be merged through the corresponding
subsystem tree.
The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
based on the 32-bit NPCM7xx family but is now getting added to
arch/arm64 as well.
Sunplus SP7021, also known as Plus1, is a general-purpose
System-in-Package design based on the 32-bit Cortex-A7 SoC
on the main chip, plus an I/O chip and memory in the same
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Merge tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM new SoC support from Arnd Bergmann:
"This adds initial support for two SoC families that have been under
review for a while. In both cases, the origonal idea was to have a
minimally functional version, but we ended up leaving out the clk
drivers that are still under review and will be merged through the
corresponding subsystem tree.
The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
based on the 32-bit NPCM7xx family but is now getting added to
arch/arm64 as well.
Sunplus SP7021, also known as Plus1, is a general-purpose
System-in-Package design based on the 32-bit Cortex-A7 SoC on the main
chip, plus an I/O chip and memory in the same"
* tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
MAINTAINERS: rectify entry for ARM/NUVOTON NPCM ARCHITECTURE
arm64: defconfig: Add Nuvoton NPCM family support
arm64: dts: nuvoton: Add initial NPCM845 EVB device tree
arm64: dts: nuvoton: Add initial NPCM8XX device tree
arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC
dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string
dt-bindings: arm: npcm: Add nuvoton,npcm845 compatible string
dt-bindings: arm: npcm: Add maintainer
reset: npcm: Add NPCM8XX support
dt-bindings: reset: npcm: Add support for NPCM8XX
reset: npcm: using syscon instead of device data
ARM: dts: nuvoton: add reset syscon property
dt-bindings: reset: npcm: add GCR syscon property
dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock
dt-bindings: watchdog: npcm: Add npcm845 compatible string
dt-bindings: timer: npcm: Add npcm845 compatible string
ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree
ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig
ARM: sunplus: Add initial support for Sunplus SP7021 SoC
irqchip: Add Sunplus SP7021 interrupt controller driver
...
This branch includes the usual updates to defconfig files, enabling
additional driver support for the supported platforms.
There is also a global refresh for all of them that reorders the
lines according to the 'savedefconfig' output, but without removing
lines that are no longer part of the refresh.
I went through the most common removed lines to also address them
while making sure to catch renamed options and add them back
under the new name.
The boardfile deprecation branch is based on top of this to avoid
conflicts against removing the unused boardfile configs from the
generic defconfig files.
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Merge tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC defconfig updates from Arnd Bergmann:
"This branch includes the usual updates to defconfig files, enabling
additional driver support for the supported platforms.
There is also a global refresh for all of them that reorders the lines
according to the 'savedefconfig' output, but without removing lines
that are no longer part of the refresh.
I went through the most common removed lines to also address them
while making sure to catch renamed options and add them back under the
new name.
The boardfile deprecation branch is based on top of this to avoid
conflicts against removing the unused boardfile configs from the
generic defconfig files"
* tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
arm64: defconfig: Sync some configs with savedefconfig
arm64: refresh defconfig file
ARM: defconfig: kill remnants of CONFIG_LEDS
ARM: defconfig: remove broken CONFIG_THUMB disables
ARM: defconfig: address renamed CONFIG_DEBUG_INFO=y
ARM: defconfig: remove stale CONFIG_ZBOOT_ROM entries
ARM: defconfig: remove irda remnants
ARM: refresh defconfig files
arm64: defconfig: Demote Qualcomm USB PHYs to modules
arm64: defconfig: Enable Qualcomm SC8280XP providers
ARM: multi_v7_defconfig: Update configs for BCM63138
arm64: defconfig: enable Qualcomm Bandwidth Monitor
arm64: defconfig: Enable Allwinner built in CODECs
arm64: defconfig: Enable qcom interconnect drivers
arm64: defconfig: Enable qcom ss & hs usb phy
arm64: defconfig: enable Qualcomm LPG leds driver
arm64: defconfig: Enable gpio-fan support
arm64: defconfig: Enable DRM_V3D
ARM: configs: Enable DRM_V3D
arm64: defconfig: Enable R8A779G0 SoC
...
As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813.
Each SoC comes with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the
Ethos-U65 NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end
of Arm based Laptop SoCs, and its automotive cousin, the
SA8540P. The SC8280XP is used in the Lenovo Thinkpad X13s
laptop that also gets added here in addition to the reference
boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the
Orange Pi zero2 single-board computer and the X96 Mate
set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip
in the Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers,
DH electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems
TQMa8MPQL, and phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and
Stratix 10 Software Virtual platform, both in the SoCFPGA
platform.
- Two new wireless devices based on Broadcom SoCs:
The Asus GT-AX6000 Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm
SoC families brought added machines: Acer Chromebook 514 (MT8192),
Acer Chromebook Spin 513 (MT8195) and a couple of SC7180 based
machines including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips:
PCB8309 (Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308)
DH DRC Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm
SDM660)
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Merge tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813. Each SoC comes
with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the Ethos-U65
NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end of
Arm based Laptop SoCs, and its automotive cousin, the SA8540P. The
SC8280XP is used in the Lenovo Thinkpad X13s laptop that also gets
added here in addition to the reference boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the Orange Pi
zero2 single-board computer and the X96 Mate set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip in the
Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers, DH
electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems TQMa8MPQL, and
phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and Stratix
10 Software Virtual platform, both in the SoCFPGA platform.
- Two new wireless devices based on Broadcom SoCs: The Asus GT-AX6000
Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm SoC
families brought added machines: Acer Chromebook 514 (MT8192), Acer
Chromebook Spin 513 (MT8195) and a couple of SC7180 based machines
including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips: PCB8309
(Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308) DH DRC
Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm SDM660)"
* tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (829 commits)
dt-bindings: soc: bcm: use absolute path to other schema
dt-bindings: soc: bcm: drop quotes when not needed
dt-bindings: soc: microchip: use absolute path to other schema
dt-bindings: soc: microchip: drop quotes when not needed
ARM: dts: lan966x: keep lan966 entries alphabetically sorted
ARM: dts: lan966x: add support for pcb8309
dt-bindings: arm: at91: add lan966 pcb8309 board
ARM: dts: lan966x: Enable network driver on pcb8291
ARM: dts: lan966x: Disable can0 on pcb8291
ARM: dts: lan966x: Add gpio-restart
dt-bindings: arm: aspeed: add Aspeed Evaluation boards
arm64: dts: qcom: Add support for Xiaomi Mi Mix2s
dt-bindings: arm: qcom: Add Xiaomi Mi Mix2s bindings
dt-bindings: arm: qcom: Document lg,judyln and lg,judyp devices
dt-bindings: arm: qcom: add missing SM6350 board compatibles
dt-bindings: arm: qcom: add missing SM6125 board compatibles
dt-bindings: arm: qcom: add missing SDM845 board compatibles
dt-bindings: arm: qcom: add missing SDM636 board compatibles
dt-bindings: arm: qcom: add missing SDM630 board compatibles
dt-bindings: arm: qcom: add missing QCS404 board compatibles
...
The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.
Notable updates this time include:
- Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
- Updates for interconnect drivers on Qualcomm Snapdragon
- A new driver support for NMI interrupts on Fujitsu A64fx
- A rework of Broadcom BCMBCA Kconfig dependencies
- Improved support for BCM2711 (Raspberry Pi 4) power management
to allow the use of the V3D GPU
- Cleanups to the NXP guts driver
- Arm SCMI firmware driver updates to add tracing support, and
use the firmware interfaces for system power control and for
power capping.
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Merge tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC drivers from Arnd Bergmann:
"The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.
Notable updates this time include:
- Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
- Updates for interconnect drivers on Qualcomm Snapdragon
- A new driver support for NMI interrupts on Fujitsu A64fx
- A rework of Broadcom BCMBCA Kconfig dependencies
- Improved support for BCM2711 (Raspberry Pi 4) power management to
allow the use of the V3D GPU
- Cleanups to the NXP guts driver
- Arm SCMI firmware driver updates to add tracing support, and use
the firmware interfaces for system power control and for power
capping"
* tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (125 commits)
soc: a64fx-diag: disable modular build
dt-bindings: soc: qcom: qcom,smd-rpm: add power-controller
dt-bindings: soc: qcom: aoss: document qcom,sm8450-aoss-qmp
dt-bindings: soc: qcom,rpmh-rsc: simplify qcom,tcs-config
ARM: mach-qcom: Add support for MSM8909
dt-bindings: arm: cpus: Document "qcom,msm8909-smp" enable-method
soc: qcom: spm: Add CPU data for MSM8909
dt-bindings: soc: qcom: spm: Add MSM8909 CPU compatible
soc: qcom: rpmpd: Add compatible for MSM8909
dt-bindings: power: qcom-rpmpd: Add MSM8909 power domains
soc: qcom: smd-rpm: Add compatible for MSM8909
dt-bindings: soc: qcom: smd-rpm: Add MSM8909
soc: qcom: icc-bwmon: Remove unnecessary print function dev_err()
soc: fujitsu: Add A64FX diagnostic interrupt driver
soc: qcom: socinfo: Fix the id of SA8540P SoC
soc: qcom: Make QCOM_RPMPD depend on PM
tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
...
The updates for arch/arm/mach-* platform code this time are mainly
minor cleanups.
Most notably, the DaVinci DM644x/DM646x SoC support gets removed. This was
also scheduled for later removal early next year, but Linus Walleij asked
for having them removed earlier to avoid problems for the GPIO subsystem.
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Merge tag 'arm-soc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The updates for arch/arm/mach-* platform code this time are mainly
minor cleanups.
Most notably, the DaVinci DM644x/DM646x SoC support gets removed. This
was also scheduled for later removal early next year, but Linus
Walleij asked for having them removed earlier to avoid problems for
the GPIO subsystem"
* tag 'arm-soc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
ARM: at91: setup outer cache .write_sec() callback if needed
ARM: at91: add sam_linux_is_optee_available() function
ARM: Marvell: Update PCIe fixup
ARM: bcmbca: Include full family name in Kconfig
ARM: bcm: NSP: Removed forced thermal selection
ARM: debug: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
arm: bcmbca: Add BCMBCA sub platforms
arm: bcmbca: Move BCM63138 ARCH_BCM_63XX to ARCH_BCMBCA
MAINTAINERS: Move BCM63138 to bcmbca arch entry
ARM: shmobile: rcar-gen2: Increase refcount for new reference
ARM: davinci: Delete DM646x board files
ARM: davinci: Delete DM644x board files
firmware: xilinx: Add TF_A_PM_REGISTER_SGI SMC call
cpufreq: zynq: Fix refcount leak in zynq_get_revision
ARM: OMAP2+: Kconfig: Fix indentation
ARM: OMAP2+: Fix refcount leak in omap3xxx_prm_late_init
ARM: OMAP2+: pdata-quirks: Fix refcount leak bug
ARM: OMAP2+: display: Fix refcount leak bug
ARM: OMAP2+: Fix refcount leak in omapdss_init_of
ARM: imx25: support silicon revision 1.2
...
The i2c probe functions here don't use the id information provided in
their second argument, so the single-parameter i2c probe function
("probe_new") can be used instead.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
When non-devm resources are allocated they mustn't be followed by
devm allocations, otherwise it will break the tear down ordering
and might lead to crashes or other bugs during ->remove() stage.
Fix this by wrapping mutex_destroy() call with
devm_add_action_or_reset().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Simplify the error handling in probe function by switching from
dev_err() to dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.
Add mod_devicetable.h include.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fix remaining non-standard place for comments.
Remove remaining dev_dbg after regmap_read in is31fl3196_brightness_set.
Remove __func__ in dev_dbg calls, instead adding "channel" string to
describe the first displayed value.
Change remaining container_of() call to be on one line,
as well as a few others.
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Allow setting chips' specifics in chipdef struct by adding fields for:
- the reset register address
- a pointer to a regmap_config struct
- a pointer to a brightness_set function
- current default, min and max values
- a boolean to distinguish 319{0,1,3} and 319{6,9} chips
and use those fields in places where distinction has to be made.
The fields for 319{0,1,3} still point to 319{6,9} values.
No functional change.
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces those usages
straightforwardly with a new helper, sysfs_emit().
Link: https://lore.kernel.org/r/20220801165639.26030-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces those usages
straightforwardly with new helpers, sysfs_emit() and sysfs_emit_at().
Link: https://lore.kernel.org/r/20220801165639.26030-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces such a
sprintf() call straightforwardly with the new helper.
Link: https://lore.kernel.org/r/20220801165639.26030-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces such sprintf()
calls with sysfs_emit() while simplifying the open code in
list_show().
Link: https://lore.kernel.org/r/20220801165639.26030-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces such sprintf()
calls with sysfs_emit() while simplifying the open code in
modalias_show(); as modalias[] is a NUL-terminated string, we can pass
it straightly to a printf() argument.
Link: https://lore.kernel.org/r/20220801165639.26030-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces the open code
straightforwardly with a new helper.
Link: https://lore.kernel.org/r/20220801165639.26030-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This round just adds the NVMe controller nodes, since that driver is
finally upstream. Includes one related power domain fixup.
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Merge tag 'asahi-soc-dt-5.20' of https://github.com/AsahiLinux/linux into arm/late
Apple SoC DT updates for 5.20.
This round just adds the NVMe controller nodes, since that driver is
finally upstream. Includes one related power domain fixup.
* tag 'asahi-soc-dt-5.20' of https://github.com/AsahiLinux/linux:
arm64: dts: apple: t8103: Add ANS2 NVMe nodes
arm64: dts: apple: Re-parent ANS2 power domains
Link: https://lore.kernel.org/r/6de8649c-9795-54a1-fa45-8dd50355061f@marcan.st
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Allow reset-simple to be selected under EXPERT and reset-a10sr to be
built under COMPILE_TEST. Add Renesas RZ/G2UL USBPHY binding and a new
driver for the TI TPS380x line of voltage supervisor ICs with manual
reset control.
A patch to make reset-microchip-sparx5 buildable as a module had to be
reverted as that turned out to break MDIO on kswitch-d10.
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Merge tag 'reset-for-v5.20' of git://git.pengutronix.de/pza/linux into arm/late
Reset controller updates for v5.20
Allow reset-simple to be selected under EXPERT and reset-a10sr to be
built under COMPILE_TEST. Add Renesas RZ/G2UL USBPHY binding and a new
driver for the TI TPS380x line of voltage supervisor ICs with manual
reset control.
A patch to make reset-microchip-sparx5 buildable as a module had to be
reverted as that turned out to break MDIO on kswitch-d10.
* tag 'reset-for-v5.20' of git://git.pengutronix.de/pza/linux:
reset: tps380x: Fix spelling mistake "Voltags" -> "Voltage"
reset: tps380x: Add TPS380x device driver supprt
dt-bindings: reset: Add TPS380x documentation
dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G2UL USBPHY Control bindings
reset: reset-simple should depends on HAS_IOMEM
Revert "reset: microchip-sparx5: allow building as a module"
reset: a10sr: allow building under COMPILE_TEST
reset: allow building of reset simple driver if expert config selected
reset: microchip-sparx5: allow building as a module
Link: https://lore.kernel.org/r/20220729133620.488379-1-p.zabel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Just one patch adding our shiny new mailing list to the relevant
section.
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Merge tag 'asahi-soc-maintainers-5.20' of https://github.com/AsahiLinux/linux into arm/fixes
Apple SoC MAINTAINERS updates for 5.20.
Just one patch adding our shiny new mailing list to the relevant
section.
* tag 'asahi-soc-maintainers-5.20' of https://github.com/AsahiLinux/linux:
MAINTAINERS: add ARM/APPLE MACHINE mailing list
Link: https://lore.kernel.org/r/308defdf-8873-63ed-dc9c-a88cd7a3cc2f@marcan.st
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
An interrupt for USB device are shared with USB host. Set interrupt-names
property to common "dwc_usb3" instead of "host" and "peripheral".
Cc: stable@vger.kernel.org
Fixes: d7b9beb830 ("arm64: dts: uniphier: Add USB3 controller nodes")
Reported-by: Ryuta NAKANISHI <nakanishi.ryuta@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
An interrupt for USB device are shared with USB host. Set interrupt-names
property to common "dwc_usb3" instead of "host" and "peripheral".
Cc: stable@vger.kernel.org
Fixes: 45be1573ad ("ARM: dts: uniphier: Add USB3 controller nodes")
Reported-by: Ryuta NAKANISHI <nakanishi.ryuta@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The device bindings shouldn't put any constraints on the regulator-name
property specified in the generic bindings. This allows using arbitrary
and descriptive names for the regulators.
Suggested-by: Mark Brown <broonie@kernel.org>
Fixes: 7ae9e3a6bf ("dt-bindings: regulator: add pca9450 regulator yaml")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20220802064335.8481-1-frieder@fris.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Striding RQ uses MTT page mapping, where each page corresponds to an XSK
frame. MTT pages have alignment requirements, and XSK frames don't have
any alignment guarantees in the unaligned mode. Frames with improper
alignment must be discarded, otherwise the packet data will be written
at a wrong address.
Fixes: 282c0c798f ("net/mlx5e: Allow XSK frames smaller than a page")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/20220729121356.3990867-1-maximmi@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Commit 4d5c5bad51 ("powerpc: Remove asm/prom.h from asm/mpc52xx.h
and asm/pci.h") that cleans up powerpc's asm/prom.h leads to build
errors in ppc4xx_edac.c due to missing header. Include required
header directly to avoid the build failure.
Fixes: 4d5c5bad51 ("powerpc: Remove asm/prom.h from asm/mpc52xx.h and asm/pci.h")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/993f5a7da371458cb819b5f3f569073c78523b01.1659436180.git.christophe.leroy@csgroup.eu
The recent change to the PHB numbering logic has a logic error in the
handling of "ibm,opal-phbid".
When an "ibm,opal-phbid" property is present, &prop is written to and
ret is set to zero.
The following call to of_alias_get_id() is skipped because ret == 0.
But then the if (ret >= 0) is true, and the body of that if statement
sets prop = ret which throws away the value that was just read from
"ibm,opal-phbid".
Fix the logic by only doing the ret >= 0 check in the of_alias_get_id()
case.
Fixes: 0fe1e96fef ("powerpc/pci: Prefer PCI domain assignment via DT 'linux,pci-domain' and alias")
Reviewed-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220802105723.1055178-1-mpe@ellerman.id.au
It's possible that this kernel has been kexec'd from a kernel that
enabled bus lock detection, or (hypothetically) BIOS/firmware has set
DEBUGCTLMSR_BUS_LOCK_DETECT.
Disable bus lock detection explicitly if not wanted.
Fixes: ebb1064e7c ("x86/traps: Handle #DB for bus lock")
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20220802033206.21333-1-chenyi.qiang@intel.com
kernel_text_address() treats ftrace_trampoline, kprobe_insn_slot
and bpf_text_address as valid kprobe addresses - which is not ideal.
These text areas are removable and changeable without any notification
to kprobes, and probing on them can trigger unexpected behavior:
https://lkml.org/lkml/2022/7/26/1148
Considering that jump_label and static_call text are already
forbiden to probe, kernel_text_address() should be replaced with
core_kernel_text() and is_module_text_address() to check other text
areas which are unsafe to kprobe.
[ mingo: Rewrote the changelog. ]
Fixes: 5b485629ba ("kprobes, extable: Identify kprobes trampolines as kernel text area")
Fixes: 74451e66d5 ("bpf: make jited programs visible in traces")
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20220801033719.228248-1-chenzhongjin@huawei.com
The Anker PowerExpand USB-C to Gigabit Ethernet adapter uses this
chipset, but exposes CDC Ethernet configurations as well as the
vendor specific one. This driver tries to bind by PID:VID
unconditionally and ends up picking up the CDC configuration, which
is supposed to be handled by the class driver. To make things even
more confusing, it sees both of the CDC class interfaces and tries
to bind twice, resulting in two broken Ethernet devices.
Change all the ID matches to specifically match the vendor-specific
interface. By default the device comes up in CDC mode and is bound by
that driver (which works fine); users may switch it to the vendor
interface using sysfs to set bConfigurationValue, at which point the
device actually goes through a reconnect cycle and comes back as a
vendor specific only device, and then this driver binds and works too.
The affected device uses VID/PID 0b95:1790, but we might as well change
all of them for good measure, since there is no good reason for this
driver to bind to standard CDC Ethernet interfaces.
v3: Added VID/PID info to commit message
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20220731072209.45504-1-marcan@marcan.st
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The function ioremap() in gscps2_probe() can fail, so
its return value should be checked.
Fixes: 4bdc0d676a ("remove ioremap_nocache and devm_ioremap_nocache")
Cc: <stable@vger.kernel.org> # v5.6+
Reported-by: Hacash Robot <hacashRobot@santino.com>
Signed-off-by: Xie Shaowen <studentxswpy@163.com>
Signed-off-by: Helge Deller <deller@gmx.de>
The ioam6.sh test script exits with an error code (1) when tests are
skipped due to lack of support from userspace/kernel or not enough
permissions. It should return the kselftests SKIP code instead.
Reviewed-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Link: https://lore.kernel.org/r/20220801124615.256416-1-kleber.souza@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This refixes:
commit 7da17624e7
nt: usb: USB_RTL8153_ECM should not default to y
In general, device drivers should not be enabled by default.
which basically broke the commit it claimed to fix, ie:
commit 657bc1d10b
r8153_ecm: avoid to be prior to r8152 driver
Avoid r8153_ecm is compiled as built-in, if r8152 driver is compiled
as modules. Otherwise, the r8153_ecm would be used, even though the
device is supported by r8152 driver.
this commit amounted to:
drivers/net/usb/Kconfig:
+config USB_RTL8153_ECM
+ tristate "RTL8153 ECM support"
+ depends on USB_NET_CDCETHER && (USB_RTL8152 || USB_RTL8152=n)
+ default y
+ help
+ This option supports ECM mode for RTL8153 ethernet adapter, when
+ CONFIG_USB_RTL8152 is not set, or the RTL8153 device is not
+ supported by r8152 driver.
drivers/net/usb/Makefile:
-obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r8153_ecm.o
+obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
+obj-$(CONFIG_USB_RTL8153_ECM) += r8153_ecm.o
And as can be seen it pulls a piece of the cdc_ether driver out into
a separate config option to be able to make this piece modular in case
cdc_ether is builtin, while r8152 is modular.
While in general, device drivers should indeed not be enabled by default:
this isn't a device driver per say, but rather this is support code for
the CDCETHER (ECM) driver, and should thus be enabled if it is enabled.
See also email thread at:
https://www.spinics.net/lists/netdev/msg767649.html
In:
https://www.spinics.net/lists/netdev/msg768284.html
Jakub wrote:
And when we say "removed" we can just hide it from what's prompted
to the user (whatever such internal options are called)? I believe
this way we don't bring back Marek's complaint.
Side note: these incorrect defaults will result in Android 13
on 5.15 GKI kernels lacking USB_RTL8153_ECM support while having
USB_NET_CDCETHER (luckily we also have USB_RTL8150 and USB_RTL8152,
so it's probably only an issue for very new RTL815x hardware with
no native 5.15 driver).
Fixes: 7da17624e7 ("nt: usb: USB_RTL8153_ECM should not default to y")
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hayes Wang <hayeswang@realtek.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Link: https://lore.kernel.org/r/20220730230113.4138858-1-zenczykowski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
