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Tegra194 allows max of 64K bytes and Tegra186 and prior allows
max of 4K bytes of transfer per packet.
one sec timeout is not enough for transfers more than 10K bytes
at STD bus rate.
This patch updates I2C transfer timeout based on the transfer size
and I2C bus rate to allow enough time during max transfer size at
lower bus speed.
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This patch adds DMA support for Tegra I2C.
Tegra I2C TX and RX FIFO depth is 8 words. PIO mode is used for
transfer size of the max FIFO depth and DMA mode is used for
transfer size higher than max FIFO depth to save CPU overhead.
PIO mode needs full intervention of CPU to fill or empty FIFO's
and also need to service multiple data requests interrupt for the
same transaction. This adds delay between data bytes of the same
transfer when CPU is fully loaded and some slave devices has
internal timeout for no bus activity and stops transaction to
avoid bus hang. DMA mode is helpful in such cases.
DMA mode is also helpful for Large transfers during downloading or
uploading FW over I2C to some external devices.
Tegra210 and prior Tegra chips use APBDMA driver which is replaced
with GPCDMA on Tegra186 and Tegra194.
This patch uses has_apb_dma flag in hw_feature to differentiate
DMA driver change between Tegra chipset.
APBDMA driver is registered from module-init level and this patch
also has a change to register I2C driver at module-init level
rather than subsys-init to avoid deferring I2C probe till APBDMA
driver is registered.
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tegra194 supports maximum 64K bytes per packet including 12 bytes of
packet header irrespective of PIO or DMA mode transfer.
This patch updates Tegra194 max write length to account for packet
header size for transfers.
Cc: stable@vger.kernel.org # 4.20+
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tegra186 and prior supports maximum 4K bytes per packet transfer
including 12 bytes of packet header.
This patch fixes max write length limit to account packet header
size for transfers.
Cc: stable@vger.kernel.org # 4.4+
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Bus clear feature of Tegra I2C controller helps to recover from
bus hang when I2C master loses the bus arbitration due to the
slave device holding SDA LOW continuously for some unknown reasons.
Per I2C specification, the device that held the bus LOW should
release it within 9 clock pulses.
During bus clear operation, Tegra I2C controller sends 9 clock
pulses and terminates the transaction with STOP condition.
Upon successful bus clear operation, bus goes to idle state and
driver retries the transaction.
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This patch sorts all the include headers alphabetically for the
I2C Tegra driver.
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The latest documentation made it clear that we need to initialize the
TCYC value independently of DMA. The old code used TCYC06 (wrongly) for
non-DMA transfers. The new code sets TCYC up independently from DMA.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
I think it is clear enough if we have the explanation once and make it
clear it is applicable for both SCL and SDA. Reword it a little with
the help of Simon's native language skills :)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
We measured the clock on a Lager and an Ebisu board. The new formula
gives better results for both. So after Gen3, switch to this formula for
all Gen2 SoCs.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
We could finally measure the clock on an Ebisu board. The new formula
gives way better results, i.e. 100kHz instead of 106kHz and 400kHz
instead of 387kHz. Switch to these formulas for all Gen3 SoCs.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Makes it easier to add new ones.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This augments the CBUS GPIO I2C driver to use GPIO
descriptors for clock, sel and data. We drop the platform
data that was only used for carrying GPIO numbers and
use machine descriptor tables instead.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Update copyright years and remove a comment which grew incorrect and
useless over time.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
There is no value in chronological sorting. Make it easier to follow for
humans.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Completion_done() is useless when we don't use its return value,
so we remove it.
Signed-off-by: qii wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Different speeds have been defined by macros,
so we use macros definitions.
Signed-off-by: qii wang <qii.wang@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Less risk for duplications when adding new ones.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
And use kernel style for the remaining comments in the header.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This adds device tree probing support for the IOP3xx
I2C master.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
If an I2C adapter doesn't match the provided device tree node, also try
matching the parent's device tree node. This allows finding an adapter
based on the device node of the parent device that was used to register
it.
This fixes a regression on Tegra124-based Chromebooks (Nyan) where the
eDP controller registers an I2C adapter that is used to read to EDID.
After commit 993a815dcbb2 ("dt-bindings: panel: Add missing .txt
suffix") this stopped working because the I2C adapter could no longer
be found. The approach in this patch fixes the regression without
introducing the issues that the above commit solved.
Fixes: 17ab7806de0c ("drm: don't link DP aux i2c adapter to the hardware device node")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Tristan Bastian <tristan-c.bastian@gmx.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
We currently get the following error with pixcir_ts driver during a
suspend resume cycle:
omap_i2c 4802a000.i2c: controller timed out
pixcir_ts 1-005c: pixcir_int_enable: can't read reg 0x34 : -110
pixcir_ts 1-005c: Failed to disable interrupt generation: -110
pixcir_ts 1-005c: Failed to stop
dpm_run_callback(): pixcir_i2c_ts_resume+0x0/0x98
[pixcir_i2c_ts] returns -110
PM: Device 1-005c failed to resume: error -110
And at least am437x based devices with pixcir_ts will fail to resume
to a touchscreen that is configured as the wakeup-source in device
tree for these devices.
This is because pixcir_ts tries to reconfigure it's registers for
noirq suspend which fails. This also leaves i2c-omap in enabled state
for suspend.
Let's fix the pixcir_ts issue and make sure i2c-omap is suspended by
adding SET_NOIRQ_SYSTEM_SLEEP_PM_OPS.
Let's also get rid of some ifdefs while at it and replace them with
__maybe_unused as SET_RUNTIME_PM_OPS and SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
already deal with the various PM Kconfig options.
Reported-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit removes hard-coded bus timeout value setting so that
it can be set by i2c-core-base.
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Update copyright years and add Renesas to it. Add/update comments to
make driver easier to understand.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Remove the do_while loop which was just there to have an easy exit with
"break;" and replace it with if-else-blocks which should make the state
machine clearer.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
In preparation to remove the do-while-loop.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
All state machines deal with pd->pos values. This helper function is an
exception and makes it only more confusing.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
It is clear that we always send the address in TX_FIRST and data in TX.
No need to pass it from the caller.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
It makes the code much easier comprehensible to explicitly code that the
first byte will be client address and all the following bytes are the
actual data.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
pd->pos won't be smaller than -1, so we can simplify the logic.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
When doing s2idle/s2ram on Salvator-X(S):
WARNING: CPU: 2 PID: 971 at drivers/i2c/i2c-core-base.c:1869 __i2c_transfer+0x608/0x910
[...]
Call trace:
__i2c_transfer+0x608/0x910
i2c_smbus_xfer_emulated+0x158/0x5b0
__i2c_smbus_xfer+0x17c/0x818
i2c_smbus_xfer+0x64/0x98
i2c_smbus_read_byte_data+0x40/0x70
cs2000_bset.isra.1+0x2c/0x68
__cs2000_set_rate.constprop.7+0x80/0x148
cs2000_resume+0x18/0x20
dpm_run_callback+0x74/0x330
device_resume_early+0xd4/0x120
dpm_resume_early+0x158/0x4f8
suspend_devices_and_enter+0x36c/0xd98
[...]
On second resume, the sound driver fails with:
cs2000-cp 2-004f: pll lock failed
rcar_sound ec500000.sound: can't use clk 1
As the CS2000 clock driver needs to send I2C messages during suspend,
the I2C controller driver should be suspended later, and resumed
earlier. Fix this by using the noirq sleep ops instead of the normal
sleep ops, which are called after the late sleep ops, as used by the
CS2000 clock driver.
Fixes: 18569fa89a4db9ed ("i2c: rcar: add suspend/resume support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Change the call to PTR_ERR to access the value just tested by IS_ERR.
Fixes: 5b3a23a3cc94 ("i2c: imx: notify about real errors on dma i2c_imx_dma_request")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Esben Haabendal <esben@haabendal.dk>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Improve the error handling in i2c_imx_dma_request() and let it return an error
indication that the caller then can handle accordingly.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
At least on i.MX5x, the DMA events for I2C and SDHC use the same channel
and there can only be a single user. So in this case there should be no
message emitted that looks like an error if the I2C device doesn't have
an assigned DMA channel. In contrast real problems that were only
emitted at debug level before should be described at a higher level
to be better visible and so understandable.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tegra194 supports maximum 64K Bytes transfer per packet.
Tegra186 and prior supports maximum 4K Bytes transfer per packet.
This patch fixes this payload difference between Tegra194 and prior
Tegra chipsets using separate i2c_adapter_quirks.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
If adapter->retries is set to a minus value from user space via ioctl,
it will make __i2c_transfer and __i2c_smbus_xfer skip the calling to
adapter->algo->master_xfer and adapter->algo->smbus_xfer that is
registered by the underlying bus drivers, and return value 0 to all the
callers. The bus driver will never be accessed anymore by all users,
besides, the users may still get successful return value without any
error or information log print out.
If adapter->timeout is set to minus value from user space via ioctl,
it will make the retrying loop in __i2c_transfer and __i2c_smbus_xfer
always break after the the first try, due to the time_after always
returns true.
Signed-off-by: Yi Zeng <yizeng@asrmicro.com>
[wsa: minor grammar updates to commit message]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Because the adapter will be set up before every transaction anyhow, we
just need to mark it as suspended to the I2C core.
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rejecting transfers should be handled by the core. Also, this will
ensure proper locking which was forgotten in this open coded version.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rejecting transfers should be handled by the core. Also, this will
ensure proper locking which was forgotten in this open coded version.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rejecting transfers should be handled by the core.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The pointer to a device is usually named 'dev'. These 'pdev' here look
much like copy&paste errors. Fix them to avoid confusion.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rejecting transfers should be handled by the core. Also, this will
ensure proper locking which was forgotten in this open coded version
and make sure resume mark is set after enabling clocks (not before).
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rejecting transfers should be handled by the core.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This flag was defined and checked but never set a value. Remove it.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
A few drivers open code the handling of suspended adapters. It could be
handled by the core, though, to ensure generic handling. This patch adds
the flag and accessor functions. The usage of these helpers is optional,
though. See the kerneldoc in this patch. Using the new flag, we now
reject further transfers if the adapter is already marked suspended.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Pull i2c updates from Wolfram Sang:
"I2C has only driver updates for you this time.
Mostly new IDs/DT compatibles, also SPDX conversions, small cleanups.
STM32F7 got FastMode+ and PM support, Axxia some reliabilty
improvements"
* 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (26 commits)
i2c: Add Actions Semiconductor Owl family S700 I2C support
dt-bindings: i2c: Add S700 support for Actions Semi Soc's
i2c: ismt: Add support for Intel Cedar Fork
i2c: tegra: Switch to SPDX identifier
i2c: tegra: Add missing kerneldoc for some fields
i2c: tegra: Cleanup kerneldoc comments
i2c: axxia: support sequence command mode
dt-bindings: i2c: rcar: Add r8a774c0 support
dt-bindings: i2c: sh_mobile: Add r8a774c0 support
i2c: sh_mobile: Add support for r8a774c0 (RZ/G2E)
i2c: i2c-cros-ec-tunnel: Switch to SPDX identifier.
i2c: powermac: Use of_node_name_eq for node name comparisons
i2c-axxia: check for error conditions first
i2c-axxia: dedicated function to set client addr
dt-bindings: i2c: Use correct vendor prefix for Atmel
i2c: tegra: replace spin_lock_irqsave with spin_lock in ISR
eeprom: at24: add support for 24c2048
dt-bindings: eeprom: at24: add "atmel,24c2048" compatible string
i2c: i2c-stm32f7: add PM Runtime support
i2c: sh_mobile: add support for r8a77990 (R-Car E3)
...
Add S700 to the list of devices supported by Owl I2C driver.
Add Actions Semiconductor Owl family S700 I2C driver.
Signed-off-by: Parthiban Nallathambi <pn@denx.de>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Add PCI ID for the Intel Cedar Fork iSMT SMBus controller.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
[wsa: kept sorting]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
- support -y option for merge_config.sh to avoid downgrading =y to =m
- remove S_OTHER symbol type, and touch include/config/*.h files correctly
- fix file name and line number in lexer warnings
- fix memory leak when EOF is encountered in quotation
- resolve all shift/reduce conflicts of the parser
- warn no new line at end of file
- make 'source' statement more strict to take only string literal
- rewrite the lexer and remove the keyword lookup table
- convert to SPDX License Identifier
- compile C files independently instead of including them from zconf.y
- fix various warnings of gconfig
- misc cleanups
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Merge tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- support -y option for merge_config.sh to avoid downgrading =y to =m
- remove S_OTHER symbol type, and touch include/config/*.h files correctly
- fix file name and line number in lexer warnings
- fix memory leak when EOF is encountered in quotation
- resolve all shift/reduce conflicts of the parser
- warn no new line at end of file
- make 'source' statement more strict to take only string literal
- rewrite the lexer and remove the keyword lookup table
- convert to SPDX License Identifier
- compile C files independently instead of including them from zconf.y
- fix various warnings of gconfig
- misc cleanups
* tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
kconfig: add static qualifiers to fix gconf warnings
kconfig: split the lexer out of zconf.y
kconfig: split some C files out of zconf.y
kconfig: convert to SPDX License Identifier
kconfig: remove keyword lookup table entirely
kconfig: update current_pos in the second lexer
kconfig: switch to ASSIGN_VAL state in the second lexer
kconfig: stop associating kconf_id with yylval
kconfig: refactor end token rules
kconfig: stop supporting '.' and '/' in unquoted words
treewide: surround Kconfig file paths with double quotes
microblaze: surround string default in Kconfig with double quotes
kconfig: use T_WORD instead of T_VARIABLE for variables
kconfig: use specific tokens instead of T_ASSIGN for assignments
kconfig: refactor scanning and parsing "option" properties
kconfig: use distinct tokens for type and default properties
kconfig: remove redundant token defines
kconfig: rename depends_list to comment_option_list
...
The USB Power Delivery discrete components now can be enumerated by
i2c-multi-instantiate driver via several resources under single ACPI
device node (ACPI ID is INT3515).
Touchscreen support is added for the Mediacom Flexbook Edge 11.
Mellanox driver got fixed due to updates in their firmware.
The power management stub driver for AtomISP v2 is fixed in order to support
Intel Baytrail SoCs where same quirk is needed for S0ix to work.
Special key handling has been fixed for Favorites hotkey on Thinkpad, and
Screen LOCK on ASUS.
Ideapad Yoga 2 13 has no HW rfkill switch, thus, driver has been updated
to support this.
Few cleanups related to debugfs have been made in Intel IPS and
Intel PMC drivers. Besides that Intel PMC has been extended
to show more detailed information about Latency Tolerance.
The following is an automated git shortlog grouped by driver:
ACPI / scan:
- Create platform device for INT3515 ACPI nodes
Add the VLV ISP PCI ID to atomisp2_pm:
- Add the VLV ISP PCI ID to atomisp2_pm
asus-nb-wmi:
- Drop mapping of 0x33 and 0x34 scan codes
- Map 0x35 to KEY_SCREENLOCK
asus-wmi:
- Tell the EC the OS will handle the display off hotkey
dell-laptop:
- Mark expected switch fall-throughs
Documentation/ABI:
- Add new attribute for mlxreg-io sysfs interfaces
Fix config space access for intel_atomisp2_pm:
- Fix config space access for intel_atomisp2_pm
i2c:
- acpi: Introduce i2c_acpi_get_i2c_resource() helper
- acpi: Use ACPI_FAILURE instead of !ACPI_SUCCESS
- acpi: Return error pointers from i2c_acpi_new_device()
i2c-multi-instantiate:
- Allow to have same slaves
- Introduce IOAPIC IRQ support
- Distinguish IRQ resource type
- Count I2cSerialBus() resources
- Get rid of obsolete conditional
- Defer probe when no adapter found
- Accept errors of i2c_acpi_new_device()
ideapad-laptop:
- Add Yoga 2 13 to no_hw_rfkill list
iio:
- inv_mpu6050: Use i2c_acpi_get_i2c_resource() helper
intel_cht_int33fe:
- Get rid of obsolete conditional
- Accept errors of i2c_acpi_new_device()
- Remove duplicate NULL check
intel_ips:
- Convert to use DEFINE_SHOW_ATTRIBUTE macro
- Remove never happen condition
- NULL check before some freeing functions is not needed
- remove unnecessary checks in ips_debugfs_init
intel_pmc_core:
- convert to DEFINE_SHOW_ATTRIBUTE
- Decode Snoop / Non Snoop LTR
- Fix LTR IGNORE Max offset
- Show Latency Tolerance info
intel_telemetry:
- convert to DEFINE_SHOW_ATTRIBUTE
mlx-platform:
- Convert to use SPDX identifier
- Allow mlxreg-io driver activation for new systems
- Fix LED configuration
- Fix tachometer registers
- Rename new systems product names
- Add definitions for new registers
thinkpad_acpi:
- Cleanup quirks macros
- Change the keymap for Favorites hotkey
touchscreen_dmi:
- Add info for the Mediacom Flexbook Edge 11
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Merge tag 'platform-drivers-x86-v4.21-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- The USB Power Delivery discrete components now can be enumerated by
i2c-multi-instantiate driver via several resources under single ACPI
device node (ACPI ID is INT3515).
- Touchscreen support is added for the Mediacom Flexbook Edge 11.
- Mellanox driver got fixed due to updates in their firmware.
- The power management stub driver for AtomISP v2 is fixed in order to
support Intel Baytrail SoCs where same quirk is needed for S0ix to
work.
- Special key handling has been fixed for Favorites hotkey on Thinkpad,
and Screen LOCK on ASUS.
- Ideapad Yoga 2 13 has no HW rfkill switch, thus, driver has been
updated to support this.
- Few cleanups related to debugfs have been made in Intel IPS and Intel
PMC drivers. Besides that Intel PMC has been extended to show more
detailed information about Latency Tolerance
* tag 'platform-drivers-x86-v4.21-1' of git://git.infradead.org/linux-platform-drivers-x86: (41 commits)
platform/x86: mlx-platform: Convert to use SPDX identifier
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform/x86: mlx-platform: Allow mlxreg-io driver activation for new systems
platform/x86: mlx-platform: Fix LED configuration
platform/x86: mlx-platform: Fix tachometer registers
platform/x86: mlx-platform: Rename new systems product names
platform/x86: mlx-platform: Add definitions for new registers
platform/x86: intel_telemetry: convert to DEFINE_SHOW_ATTRIBUTE
platform/x86: intel_pmc_core: convert to DEFINE_SHOW_ATTRIBUTE
platform/x86: thinkpad_acpi: Cleanup quirks macros
platform/x86: touchscreen_dmi: Add info for the Mediacom Flexbook Edge 11
platform/x86: Fix config space access for intel_atomisp2_pm
platform/x86: Add the VLV ISP PCI ID to atomisp2_pm
platform/x86: intel_ips: Convert to use DEFINE_SHOW_ATTRIBUTE macro
platform/x86: intel_ips: Remove never happen condition
platform/x86: intel_ips: NULL check before some freeing functions is not needed
platform/x86: intel_ips: remove unnecessary checks in ips_debugfs_init
iio: inv_mpu6050: Use i2c_acpi_get_i2c_resource() helper
ACPI / scan: Create platform device for INT3515 ACPI nodes
platform/x86: i2c-multi-instantiate: Allow to have same slaves
...