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Pull pwm updates from Thierry Reding:
"This is a fairly big release cycle from the PWM framework's point of
view.
There's a large patcheset here which converts drivers to use the new
devm_platform_ioremap_resource() helper and a bunch of minor fixes to
existing drivers. Some of the existing drivers also add support for
more hardware, such as Atmel SAMA 5D2 and Mediatek MT8183.
Finally there's a couple of new drivers for Intel Keem Bay and LGM
SoCs as well as the DesignWare PWM controller"
* tag 'pwm/for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (66 commits)
pwm: sun4i: Remove erroneous else branch
pwm: sl28cpld: Set driver data before registering the PWM chip
pwm: Remove unused function pwmchip_add_inversed()
pwm: imx27: Fix overflow for bigger periods
pwm: bcm2835: Support apply function for atomic configuration
pwm: keembay: Fix build failure with -Os
pwm: core: Use octal permission
pwm: lpss: Make compilable with COMPILE_TEST
pwm: Fix dependencies on HAS_IOMEM
pwm: Use -EINVAL for unsupported polarity
pwm: sti: Remove unnecessary blank line
pwm: sti: Avoid conditional gotos
pwm: Add PWM fan controller driver for LGM SoC
Add DT bindings YAML schema for PWM fan controller of LGM SoC
pwm: Add DesignWare PWM Controller Driver
dt-bindings: pwm: mtk-disp: add MT8167 SoC binding
pwm: mediatek: Add MT8183 SoC support
pwm: mediatek: Always use bus clock
dt-bindings: pwm: pwm-mediatek: Add documentation for MT8183 SoC
pwm: Add PWM driver for Intel Keem Bay
...
It is good practice to set the driver data before registering a device
with a subsystem because the subsystem or the driver core may call back
into the driver implementation. This is not currently an issue, but to
prevent future changes from causing this to break unexpectedly, make
sure that the driver data is set before the PWM chip registration.
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Currently .get_state() and .apply() use dev_get_drvdata() on the struct
device related to the pwm chip. This only works after .probe() called
platform_set_drvdata() which in this driver happens only after
pwmchip_add() and so comes possibly too late.
Instead of setting the driver data earlier use the traditional
container_of approach as this way the driver data is conceptually and
computational nearer.
Fixes: 9db33d221e ("pwm: Add support for sl28cpld PWM controller")
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add support for the PWM controller of the sl28cpld board management
controller. This is part of a multi-function device driver.
The controller has one PWM channel and can just generate four distinct
frequencies.
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
