Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance optimized
for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target module
has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as we
now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
- omap-prm driver needs to enable autoidle retention support for omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of using
builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
I noticed a weird bug with this driver on Marvell CN9130 Customer
Reference Board.
Sometime after boot, the system locks with the following message:
[104.071363] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
The system does not respond afterwards, only warns about RCU stalls.
This first appeared with commit e5c02cf541 ("i2c: mv64xxx: Add runtime
PM support").
With further experimentation I discovered that adding a delay into
mv64xxx_i2c_hw_init() fixes this issue. This function is called before
every xfer, due to how runtime PM works in this driver. It seems that in
order to work correctly, a delay is needed after the bus is reset in
this function.
Since there already is a known erratum with this controller needing a
delay, I assume that this is just another place this needs to be
applied. Therefore I apply the delay only if errata_delay is true.
Signed-off-by: Marek Behún <kabel@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The top comment is not a kerneldoc, as W=1 build reports:
drivers/i2c/busses/i2c-exynos5.c:39: warning:
expecting prototype for i2c(). Prototype was for HSI2C_CTL() instead
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
When hardware doesn't support High Speed Mode, we forget bus_freq_hz
timing adjustment. This makes the timings and real registers being
unsynchronized. Adjust bus_freq_hz when refuse high speed mode set.
Fixes: b6e67145f1 ("i2c: designware: Enable high speed mode")
Reported-by: "Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
s/Hisilicon/HiSilicon/g.
It should use capital S, according to
https://www.hisilicon.com/en/terms-of-use.
Signed-off-by: Hao Fang <fanghao11@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Only send "X1000_I2C_DC_STOP" when last byte, or it will cause
error when I2C write operation which should look like this:
device_addr + w, reg_addr, data;
But without this patch, it looks like this:
device_addr + w, reg_addr, device_addr + w, data;
Fixes: 21575a7a8d ("I2C: JZ4780: Add support for the X1000.")
Reported-by: 杨文龙 (Yang Wenlong) <ywltyut@sina.cn>
Tested-by: 杨文龙 (Yang Wenlong) <ywltyut@sina.cn>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
ARCH_SOCFPGA is being renamed to ARCH_INTEL_SOCFPGA so adjust the
32-bit ARM drivers to rely on new symbol.
The side effect is that the I2C_ALTERA will now be available for both
32-bit and 64-bit Intel SoCFPGA, even though it is used only for 32-bit.
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
In some configurations, recovery is optional. So, don't throw an error
when it is not used because e.g. pinctrl settings for recovery are not
provided. Reword the message and make it debug output.
Reported-by: Klaus Kudielka <klaus.kudielka@gmail.com>
Tested-by: Klaus Kudielka <klaus.kudielka@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Cc: stable@kernel.org
When the driver starts to send a message with the MASTER_ID field
set (high speed), the whole I2C_ADDR register is overwritten including
MASTER_ID as the SLV_ADDR_MAS field is set.
This patch preserves already written fields in I2C_ADDR when writing
SLV_ADDR_MAS.
Fixes: 8a73cd4cfa ("i2c: exynos5: add High Speed I2C controller driver")
Signed-off-by: Mårten Lindahl <martenli@axis.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This reverts commit e0371298dd. It was
accidently applied despite discussion still going on.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Stephen Boyd <swboyd@chromium.org>
IC_DATA_CMD[11] indicates the first data byte received after the address
phase for receive transfer in Master receiver or Slave receiver mode,
this bit was set in some transfer flow. IC_DATA_CMD[7:0] contains the
data to be transmitted or received on the I2C bus, so we should use the
lower 8 bits to get the real data length.
Signed-off-by: Liguang Zhang <zhangliguang@linux.alibaba.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The brcmstb_send_i2c_cmd currently has a condition that is (CMD_RD ||
CMD_WR) which always evaluates to true, while the obvious fix is to test
whether the cmd variable passed as parameter holds one of these two
values.
Fixes: dd1aa2524b ("i2c: brcmstb: Add Broadcom settop SoC i2c controller driver")
Reported-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
- Generalise byte swapping assembly
- Update debug addresses for STI
- Validate start of physical memory with DTB
- Do not clear SCTLR.nTLSMD in decompressor
- amba/locomo/sa1111 devices remove method return type is void
- address markers for KASAN in page table dump
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- Generalise byte swapping assembly
- Update debug addresses for STI
- Validate start of physical memory with DTB
- Do not clear SCTLR.nTLSMD in decompressor
- amba/locomo/sa1111 devices remove method return type is void
- address markers for KASAN in page table dump
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
amba: Make use of bus_type functions
amba: Make the remove callback return void
vfio: platform: simplify device removal
amba: reorder functions
amba: Fix resource leak for drivers without .remove
ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
ARM: 9051/1: vdso: remove unneded extra-y addition
ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
ARM: 9049/1: locomo: make locomo bus's remove callback return void
ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
ARM: 9047/1: smp: remove unused variable
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
ARM: 9042/1: debug: no uncompress debugging while semihosting
ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
Pull i2c updates from Wolfram Sang:
- mostly driver updates. Bigger ones for mlxcpld and iproc. But most of
them are all over the place.
- removal of the efm32, sirf, u300, and zte zx bus drivers because of
platform removal. So, we have a pleasant diffstat this time.
- first set of cleanups in the I2C core as preparation to increase
maximum length of SMBus transfers to 255 (as specified in the new
standard). Better documentation of struct i2c_msg and its flags stand
out here.
- the testunit can now respond to SMBus block process calls which is
the testcase when implementing the above new maximum length.
* 'i2c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (62 commits)
i2c: remove redundant error print in stm32f7_i2c_probe
i2c: testunit: add support for block process calls
i2c: busses: Replace spin_lock_irqsave with spin_lock in hard IRQ
dt-bindings: eeprom: at24: Document ROHM BR24G01
i2c: i801: Add support for Intel Alder Lake PCH-P
i2c: mv64xxx: Fix check for missing clock after adding RPM
i2c: mux: mlxcpld: Add callback to notify mux creation completion
i2c: mux: mlxcpld: Extend supported mux number
i2c: mux: mlxcpld: Extend driver to support word address space devices
i2c: mux: mlxcpld: Get rid of adapter numbers enforcement
i2c: mux: mlxcpld: Prepare mux selection infrastructure for two-byte support
i2c: mux: mlxcpld: Convert driver to platform driver
i2c: imx: Synthesize end of transaction events without idle interrupts
i2c: i2c-qcom-geni: Add shutdown callback for i2c
i2c: mv64xxx: Add runtime PM support
i2c: amd-mp2: Remove unused macro
i2c: amd-mp2: convert to PCI logging functions
i2c: mux: mlxcpld: Move header file out of x86 realm
platform/x86: mlxcpld: Update module license
i2c: mux: mlxcpld: Update module license
...
A relatively calm release at this time, and no massive code changes
are found in the stats, while a wide range of code refactoring and
cleanup have been done.
Note that this update includes the tree-wide trivial changes for
dropping the return value from ISA remove callbacks, too.
Below lists up some highlight:
* ALSA Core:
- Support for the software jack injection via debugfs
- Fixes for sync_stop PCM operations
* HD-audio and USB-audio:
- A few usual HD-audio device quirks
- Updates for Tegra HD-audio
- More quirks for Pioneer and other USB-audio devices
- Stricter state checks at USB-audio disconnection
* ASoC:
- Continued code refactoring, cleanup and fixes in ASoC core API
- A KUnit testsuite for the topology code
- Lots of ASoC Intel driver Realtek codec updates, quirk additions and
fixes
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers
* Others:
- Drop return value from ISA driver remove callback
- Cleanup with DIV_ROUND_UP() macro
- FireWire updates, HDSP output loopback support
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Merge tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"A relatively calm release at this time, and no massive code changes
are found in the stats, while a wide range of code refactoring and
cleanup have been done.
Note that this update includes the tree-wide trivial changes for
dropping the return value from ISA remove callbacks, too.
Below lists up some highlight:
ALSA Core:
- Support for the software jack injection via debugfs
- Fixes for sync_stop PCM operations
HD-audio and USB-audio:
- A few usual HD-audio device quirks
- Updates for Tegra HD-audio
- More quirks for Pioneer and other USB-audio devices
- Stricter state checks at USB-audio disconnection
ASoC:
- Continued code refactoring, cleanup and fixes in ASoC core API
- A KUnit testsuite for the topology code
- Lots of ASoC Intel driver Realtek codec updates, quirk additions
and fixes
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers
Others:
- Drop return value from ISA driver remove callback
- Cleanup with DIV_ROUND_UP() macro
- FireWire updates, HDSP output loopback support"
* tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (322 commits)
ALSA: hda: intel-dsp-config: add Alder Lake support
ASoC: soc-pcm: fix hw param limits calculation for multi-DAI
ASoC: Intel: bytcr_rt5640: Add quirk for the Acer One S1002 tablet
ASoC: Intel: bytcr_rt5651: Add quirk for the Jumper EZpad 7 tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Estar Beauty HD MID 7316R tablet
ASoC: soc-pcm: fix hwparams min/max init for dpcm
ALSA: hda/realtek: Quirk for HP Spectre x360 14 amp setup
ALSA: usb-audio: Add implicit fb quirk for BOSS GP-10
ALSA: hda: Add another CometLake-H PCI ID
ASoC: soc-pcm: add soc_pcm_hw_update_format()
ASoC: soc-pcm: add soc_pcm_hw_update_chan()
ASoC: soc-pcm: add soc_pcm_hw_update_rate()
ASoC: wm_adsp: Remove unused control callback structure
ASoC: SOF: relax ABI checks and avoid unnecessary warnings
ASoC: codecs: lpass-tx-macro: add dapm widgets and route
ASoC: codecs: lpass-tx-macro: add support for lpass tx macro
ASoC: qcom: dt-bindings: add bindings for lpass tx macro codec
ASoC: codecs: lpass-rx-macro: add iir widgets
ASoC: codecs: lpass-rx-macro: add dapm widgets and route
...
There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use [1], and
received confirmation about six ARM platforms and the TI C6x architecture
that have all reached the end of their life upstream, with no known
users remaining:
- efm32 -- added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell -- added in 2011, abandoned after 2012 acquisition
- prima2 -- added in 20111, no notable changes since 2015
- tango -- added in 2015, sporadic changes until 2017, but abandoned
- u300 -- added in 2009, no notable changes since 2013
- zx --added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x -- added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users
that plan to contribute them in the future, in other cases the code
is complete and works reliably.
[1] https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform removals from Arnd Bergmann:
"There are a lot of platforms that have not seen any interesting code
changes in the past five years or more.
I made a list and asked around which ones are no longer in use, and
received confirmation about six ARM platforms and the TI C6x
architecture that have all reached the end of their life upstream,
with no known users remaining:
- efm32 - added in 2011, first Cortex-M, no notable changes after 2013
- picoxcell - added in 2011, abandoned after 2012 acquisition
- prima2 - added in 20111, no notable changes since 2015
- tango - added in 2015, sporadic changes until 2017, but abandoned
- u300 - added in 2009, no notable changes since 2013
- zx - added in 2015 for both 32, 2017 for 64 bit, no notable changes
- arch/c6x - added in 2011, but work stalled soon after that
A number of other platforms on the original list turned out to still
have users. In some cases there are out-of-tree patches and users that
plan to contribute them in the future, in other cases the code is
complete and works reliably"
Link: https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/
* tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: remove u300 platform
ARM: remove tango platform
ARM: remove zte zx platform
ARM: remove sirf prima2/atlas platforms
c6x: remove architecture
MAINTAINERS: Remove deleted platform efm32
ARM: drop efm32 platform
ARM: Remove PicoXcell platform support
ARM: dts: Remove PicoXcell platforms
Another quiet release in terms of features, though several of the
drivers got quite a bit of work and there were a lot of general changes
resulting from Morimoto-san's ongoing cleanup work.
- As ever, lots of hard work by Morimoto-san cleaning up the code and
making it more consistent.
- Many improvements in the Intel drivers including a wide range of
quirks and bug fixes.
- A KUnit testsuite for the topology code.
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers.
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Merge tag 'asoc-v5.12' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.12
Another quiet release in terms of features, though several of the
drivers got quite a bit of work and there were a lot of general changes
resulting from Morimoto-san's ongoing cleanup work.
- As ever, lots of hard work by Morimoto-san cleaning up the code and
making it more consistent.
- Many improvements in the Intel drivers including a wide range of
quirks and bug fixes.
- A KUnit testsuite for the topology code.
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers.
Coccinelle reports a redundant error print in stm32f7_i2c_probe.
As 'platform_get_irq' already prints the error message, error
print here is redundant and can be removed.
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The digital filter related computation are present in the driver
however the programming of the filter within the IP is missing.
The maximum value for the DNF is wrong and should be 15 instead of 16.
Fixes: aeb068c572 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Devices offering SMBus block process calls are rare, so add it to the
testunit. This is also a good test case for testing proper
I2C_M_RECV_LEN flag handling of I2C bus masters emulating SMBus.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
There is no need to do irqsave and irqrestore in context of hard IRQ.
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Add PCI ID of SMBus controller on Intel Alder Lake PCH-P.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
In commit e5c02cf541 ("i2c: mv64xxx: Add runtime PM support"), error
pointers to optional clocks were replaced by NULL to simplify the resume
callback implementation. However, that commit missed that the IS_ERR
check in mv64xxx_of_config should be replaced with a NULL check. As a
result, the check always passes, even for an invalid device tree.
Fixes: e5c02cf541 ("i2c: mv64xxx: Add runtime PM support")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Add notification to inform caller that mux objects array has been
created. It allows to user, invoked platform device registration for
"i2c-mux-mlxcpld" driver, to be notified that mux infrastructure is
available, and thus some devices could be connected to this
infrastructure.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Allow to extend mux number supported by driver.
Currently it is limited by eight, which is not enough for new coming
Mellanox modular system with line cards, which require up to 64 mux
support.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Extend driver to allow I2C routing control through CPLD devices with
word address space. Till now only CPLD devices with byte address space
have been supported.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Do not set the argument 'force_nr' of i2c_mux_add_adapter() routine,
instead provide argument 'chan_id'.
Rename mux ids array from 'adap_ids' to 'chan_ids'.
The motivation is to prepare infrastructure to be able to:
- Create only the child adapters which are actually needed - for which
channel ids are specified.
- To assign 'nrs' to these child adapters dynamically, with no 'nr'
enforcement.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Allow to program register value zero to the mux register, which is
required for word address mux register space support.
Change key selector type from 'unsigned short' to 'integer' in order to
allow to set it to -1 on deselection.
Rename key selector field from 'last_chan' to 'last_val', since this
fields keeps actually selector value and not channel number.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Convert driver from 'i2c' to 'platform'.
The motivation is to avoid I2C addressing conflict between
‘i2c-mux-cpld’ driver, providing mux selection and deselection through
CPLD ‘mux control’ register, and CPLD host driver. The CPLD is I2C
device and is multi-functional device performing logic for different
components, like LED, ‘hwmon’, interrupt control, watchdog etcetera.
For such configuration CPLD should be host I2C device, connected to the
relevant I2C bus with the relevant I2C address and all others component
drivers are supposed to be its children.
The hierarchy in such case will be like in the below example:
ls /sys/bus/i2c/devices/44-0032
i2c-mux-mlxcpld.44 leds-mlxreg.44 mlxreg-io.44
ls /sys/bus/i2c/devices/44-0032/i2c-mux-mlxcpld.44
channel-0, …, channel-X
Currently this driver is not activated by any kernel driver,
so this conversion doesn’t affect any user.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
All amba drivers return 0 in their remove callback. Together with the
driver core ignoring the return value anyhow, it doesn't make sense to
return a value here.
Change the remove prototype to return void, which makes it explicit that
returning an error value doesn't work as expected. This simplifies changing
the core remove callback to return void, too.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org> # for drivers/memory
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> # for hwtracing/coresight
Acked-By: Vinod Koul <vkoul@kernel.org> # for dmaengine
Acked-by: Guenter Roeck <linux@roeck-us.net> # for watchdog
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Takashi Iwai <tiwai@suse.de> # for sound
Acked-by: Vladimir Zapolskiy <vz@mleia.com> # for memory/pl172
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210126165835.687514-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Only the Layerscape SoCs have interrupts on bus idle, which facilitate
sending events which complete slave bus transactions.
Add support for synthesizing missing events. If we see a master request,
or a newly addressed slave request, if the last event sent to the backend
was I2C_SLAVE_READ_REQUESTED, send the backend a I2C_SLAVE_READ_PROCESSED
followed by I2C_SLAVE_STOP. For all other events, send an I2C_SLAVE_STOP.
Signed-off-by: Kevin Paul Herbert <kph@platinasystems.com>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
If the hardware is still accessing memory after SMMU translation
is disabled (as part of smmu shutdown callback), then the
IOVAs (I/O virtual address) which it was using will go on the bus
as the physical addresses which will result in unknown crashes
like NoC/interconnect errors.
So, implement shutdown callback to i2c driver to stop on-going transfer
and unmap DMA mappings during system "reboot" or "shutdown".
Fixes: 37692de5d5 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
Reviewed-by: Akash Asthana <akashast@codeaurora.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
To save power, gate the clock when the bus is inactive, during system
sleep, and during shutdown. On some platforms, specifically Allwinner
A13/A20, gating the clock implicitly resets the module as well. Since
the module already needs to be reset after some suspend/resume cycles,
it is simple enough to reset it during every runtime suspend/resume.
Because the bus may be used by wakeup source IRQ threads, it needs to
be functional as soon as IRQs are enabled. Thus, its system PM hooks
need to run in the noirq phase.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Ondrej Jirman <megous@megous.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Use pci_{info,warn,err,dbg} functions of the kernel's PCI API.
Remove unnecessary ndev_pdev(), ndev_name() and ndev_dev() macros.
While at it, remove useless __func__ from logging.
Signed-off-by: Richard Neumann <mail@richard-neumann.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Move out header file from include/linux/platform_data/x86/ to
include/linux/platform_data/, since it does not depend on x86
architecture.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Some i2c device driver indirectly uses I2C driver when it is now
being suspended. The i2c devices driver is suspended during the
NOIRQ phase and this cannot be changed due to other dependencies.
Therefore, we also need to move the suspend handling for the I2C
controller driver to the NOIRQ phase as well.
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This may be just taste, but I think 'nmsgs' is way more readable than a
generic 'num' variable. Also, fix spaces around operators while here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Don't use 'i' to carry data, make a specific variable for it. After the
move to memcpy recently, we can even remove 'i'.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Switch to use threaded interrupt context in order to avoid checking of
"are we in interrupt?" for the code that may sleep in the IRQ handler.
I2C doesn't require a very low interrupt-handling latency, hence this
change doesn't introduce any noticeable effects.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The zte zx platform is getting removed, so this driver is no
longer needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The driver core ignores the return value of the remove callback, so
don't give isa drivers the chance to provide a value.
Adapt all isa_drivers with a remove callbacks accordingly; they all
return 0 unconditionally anyhow.
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for drivers/net/can/sja1000/tscan1.c
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Acked-by: Wolfram Sang <wsa@kernel.org> # for drivers/i2c/
Reviewed-by: Takashi Iway <tiwai@suse.de> # for sound/
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for drivers/media/
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210122092449.426097-4-uwe@kleine-koenig.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The I2C_SPRD uses Common Clock Framework thus it cannot be built on
platforms without it (e.g. compile test on MIPS with LANTIQ):
/usr/bin/mips-linux-gnu-ld: drivers/i2c/busses/i2c-sprd.o: in function `sprd_i2c_probe':
i2c-sprd.c:(.text.sprd_i2c_probe+0x254): undefined reference to `clk_set_parent'
Fixes: 4a2d5f663d ("i2c: Enable compile testing for more drivers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This driver implements I2C_M_RECV_LEN, so it can advertise the SMBus
transfers needing it. This also enables client devices to check for the
RECV_LEN capability.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This driver implements I2C_M_RECV_LEN, so it can advertise the SMBus
transfers needing it. This also enables client devices to check for the
RECV_LEN capability.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Let's use the new macro for emulating SMBus with RECV_LEN support.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The ST-Ericsson U300 platform is getting removed, so this driver is no
longer needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Linus Torvalds
Marek Behún
Krzysztof Kozlowski
Andy Shevchenko
Hao Fang
Bhaskar Chowdhury
周琰杰 (Zhou Yanjie)
Wolfram Sang
Mårten Lindahl
Wolfram Sang
Liguang Zhang
Maxime Ripard
Takashi Iwai
Menglong Dong
Alain Volmat
Weihang Li
Jarkko Nikula
Samuel Holland
Vadim Pasternak
Uwe Kleine-König
Kevin Paul Herbert
Roja Rani Yarubandi
Richard Neumann
Qii Wang
Dmitry Osipenko
Arnd Bergmann
Uwe Kleine-König
Krzysztof Kozlowski