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Simplify error handling in ->probe() function using dev_err_probe() helper
and while at it, drop error codes from the message to prevent duplication.
Signed-off-by: Raag Jadav <[email protected]>
Tested-by: Jarkko Nikula <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
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Intel Elkhart Lake PSE includes two instances of PWM as a single PCI
function with 8 channels each. Add support for the remaining channels.
Signed-off-by: Raag Jadav <[email protected]>
Tested-by: Jarkko Nikula <[email protected]>
Tested-by: Lakshmi Sowjanya D <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
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pcim_iomap_table() fails only if pcim_iomap_regions() fails. No need to
check for failure if the latter is already successful.
Suggested-by: Andy Shevchenko <[email protected]>
Signed-off-by: Raag Jadav <[email protected]>
Tested-by: Jarkko Nikula <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the greybus pwm driver to further changes of the pwm core
outlined in the commit introducing pwmchip_alloc(). There is no intended
semantical change and the driver should behave as before.
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/3206ab7f49c2c1704ea69446f3b7a7d1e71200fa.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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With a later patch it becomes necessary to already now the number of PWM
lines when pwmc is allocated. So make the function not use pwmc but a
plain connection and return the number of lines instead of storing it in
pwmc. This allows to get rid of the pwm_max member.
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/3efd84ac03e7dc288f20b0de20b142b6404cb1fa.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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The driver never calls gb_connection_get_data(). If there was another
caller (say the greybus core) it cannot use the value because the type
of pwmc (= struct gb_pwm_chip) is only defined in the pwm driver.
So drop the call to gb_connection_set_data().
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/bd2759c325c295f3d9f990609d97eb83a8ca88b8.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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The pwm framework already asserts to only pass a hwpwm value (= which)
less than npwm (= pwmc->pwm_max + 1). So there is no need to recheck
this condition. Drop the respective checks.
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/e003bc5e8e66f27f2b8fdc525a536d865888cffe.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/7e7517527b825a18ca10cb0faa837577d4f0ec8a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given gb_pwm_chip. To just not have
to do that, rework gb_pwm_activate_operation(),
gb_pwm_deactivate_operation(), gb_pwm_config_operation(),
gb_pwm_set_polarity_operation(), gb_pwm_enable_operation() and
gb_pwm_disable_operation() to take a pwm_chip. Also use the pwm_chip as
driver data instead of the gb_pwm_chip.
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/ef9b346d5bab508d4ded81cf115bf244938d04f1.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm sub-driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Acked-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/0be073477092eeccaac6c021cf07e38fc30c74fc.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm driver of the ti-sn65dsi86 to further changes of
the pwm core outlined in the commit introducing devm_pwmchip_alloc().
There is no intended semantical change and the driver should behave as
before.
Acked-by: Douglas Anderson <[email protected]>
Link: https://lore.kernel.org/r/a56cbaf049f5f23c0e0fe36b0799dd20189675e0.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Acked-by: Douglas Anderson <[email protected]>
Link: https://lore.kernel.org/r/10a8d55110fc48a4759e65cc19556858587e94cc.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm sub-driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Acked-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/2edc3adbb2c40b76b3b3dac82de82f3036bec1d5.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-xilinx driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/7cbc32771e94103b8c1c817cfdd613d7a2fc01b9.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will drop struct
pwm_chip chip from struct xilinx_pwm_device. Use the pwm_chip as driver
data instead of the xilinx_pwm_device to get access to the pwm_chip in
xilinx_pwm_remove() without using xilinx_pwm->chip.
Link: https://lore.kernel.org/r/738b9929c1d13bde64050f8bbc4ce8d85f58cc7a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-vt8500 driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Also convert the to_vt8500_chip() helper macro to a static inline to
get some type safety.
Link: https://lore.kernel.org/r/b203c4448db23ebad1165b7bce43ac41468c4e89.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/c3c45a08f2ccb8bb13b4042c73f93064876586eb.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This simplifies converting the driver to pwmchip_alloc() as there is only
a single code line left that makes use of struct vt8500_chip::chip.
Link: https://lore.kernel.org/r/7d903b608609d46cf1ee1e06530f516f42af1ebb.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given vt8500_chip. To just not have to do
that, rework vt8500_pwm_busy_wait() to take a pwm_chip.
Link: https://lore.kernel.org/r/fb384c550b359e7707219f87872bcf36482875ff.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-visconti driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/24e779de69365686bb004742cd8f07cbda131212.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-twl-led driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/5bac90addb3a178ef958a2a524c6ec7e3eea3e6a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/43c35b7116a637501b51ac93ec24c00ea92ee1af.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-twol driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/c65e796d46df71cd8d0d0941921997b9501f1cb3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/f11beb6b3a398d1257219a635a78ed0b02263978.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-tiecap driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/62fbac428cae0942f8e88234bf249537fcd890a3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/9badd116d0e26a5656b222c5b4adad7e111a53c7.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given ehrpwm_pwm_chip. To just not have to
do that, rework ehrpwm_pwm_save_context() and
ehrpwm_pwm_restore_context() take a pwm_chip. Also use the pwm_chip as
driver data instead of the ehrpwm_pwm_chip.
Link: https://lore.kernel.org/r/79052207cdf71f0882ae13fe1a192ef6f6dba35b.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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There is already a pointer to the pwmchip, make use of it directly
instead of using the struct ehrpwm_pwm_chip *ddata just obtained from
it. This also has the advantage of not using struct
ehrpwm_pwm_chip::chip any more which will be dropped soon.
Link: https://lore.kernel.org/r/b2b06a3aabf8c04969d59ddf7ba565b303855878.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-tegra driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/af7846109c0df225126c8e5cd186b89ace70afc0.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/ae92e06b49437ca7e768b1f8b405170e33948a70.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given ecap_pwm_chip. To just not have to
do that, rework ecap_pwm_save_context() and ecap_pwm_restore_context
take a pwm_chip. Also use the pwm_chip as driver data instead of the
ecap_pwm_chip.
Link: https://lore.kernel.org/r/ed031f201ff52c6b298de2dc81b06aad3a0207f8.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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There is already a pointer to the pwmchip, make use of it directly
instead of using the struct ecap_pwm_chip *pc just obtained from
it. This also has the advantage of not using struct ecap_pwm_chip::chip
any more which will be dropped soon.
Link: https://lore.kernel.org/r/628f4b8c4ba1321075fc1dff70453a1c79ffb814.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-tegra driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/8719be3d57b0b5cf575b312e5ff41fe0717e3a43.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will drop struct
pwm_chip chip from struct tegra_pwm_chip. Use the pwm_chip as driver
data instead of the tegra_pwm_chip to get access to the pwm_chip in
tegra_pwm_remove() without using pc->chip.
Link: https://lore.kernel.org/r/2813c63bf1317dee808f4c5c4a9411999f2d5746.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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The pwmchip stores a pointer to the parent device, so there is no need
to store another copy in driver private data. Drop struct
tegra_pwm_chip::dev and use the pwm_chip's parent pointer instead.
Link: https://lore.kernel.org/r/225f4bfcb15fb69eb818ddb71d623157c447180a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-sunplus driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/192be7e428eff17dd922c9c0d0d168225b89bb34.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-sun4i driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/9d175b4e27878618cef2e75b6ecbf01ad5d18164.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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The driver uses three different names for variables of type
sun4i_pwm_chip:
$ git grep 'struct sun4i_pwm_chip \*' v6.8-rc1 -- drivers/pwm/pwm-sun4i.c
v6.8-rc1:drivers/pwm/pwm-sun4i.c:static inline struct sun4i_pwm_chip *to_sun4i_pwm_chip(struct pwm_chip *chip)
v6.8-rc1:drivers/pwm/pwm-sun4i.c:static inline u32 sun4i_pwm_readl(struct sun4i_pwm_chip *chip,
v6.8-rc1:drivers/pwm/pwm-sun4i.c:static inline void sun4i_pwm_writel(struct sun4i_pwm_chip *chip,
v6.8-rc1:drivers/pwm/pwm-sun4i.c: struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);
v6.8-rc1:drivers/pwm/pwm-sun4i.c:static int sun4i_pwm_calculate(struct sun4i_pwm_chip *sun4i_pwm,
v6.8-rc1:drivers/pwm/pwm-sun4i.c: struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);
v6.8-rc1:drivers/pwm/pwm-sun4i.c: struct sun4i_pwm_chip *sun4ichip;
v6.8-rc1:drivers/pwm/pwm-sun4i.c: struct sun4i_pwm_chip *sun4ichip = platform_get_drvdata(pdev);
"chip" is usually reserved for variables of type struct pwm_chip. So
pick sun4ichip as common name which better matches the type name than
sun4i_pwm.
Acked-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/705f54a13b59fff50eaa345d8b1e0c691345b996.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will drop struct
pwm_chip chip from struct sun4i_pwm_chip. Use the pwm_chip as driver
data instead of the sun4i_pwm_chip to get access to the pwm_chip in
sun4i_pwm_remove() without using sun4ichip->chip.
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/f8e3fb96fe341ba0a4bed982aa731c5c7c355b83.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/3ddaec73f3abefb45625d0a469026fa8d13da8c0.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-stmpe driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/7e3dbf3b70126038c0ba16331ca8c07cab575bd3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/2136fbdf9b1e6bac479b935b439e2be73a003b97.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-stm32-lp driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/04af7b3d00bc932dd025200a3bf74527c29ca47a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/d79148ed49389c657b72df05758032be2b516ceb.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will drop struct
pwm_chip chip from struct stm32_pwm_lp. Use the pwm_chip as driver
data instead of the stm32_pwm_lp to get access to the pwm_chip in
stm32_pwm_lp_suspend() without using priv->chip.
Link: https://lore.kernel.org/r/df47d1aff9b529c9a4762b6ba339a18cecba1497.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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There is already a pointer to the pwmchip, make use of it directly
instead of using the struct stm32_pwm_lp *priv just obtained from
it. This also has the advantage of not using struct stm32_pwm_lp::chip
any more which will be dropped soon.
Link: https://lore.kernel.org/r/9ad2399e1a683a6344b12d7f70498393b8f8b9de.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the pwm-stm32 driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/59e5dfff2b878cc8590e286572672e4f10e35380.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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changes
When the stm32 pwm driver is converted to pwmchip_alloc(), the number of
available PWM lines must be known before the driver private data can be
allocated. So rework the helper function that determines this number to
not take the driver private data struct as input parameter.
Link: https://lore.kernel.org/r/13d4d3e90a9ee1bcd04674dfdc16f242615b8320.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will drop struct
pwm_chip chip from struct stm32_pwm. Use the pwm_chip as driver
data instead of the stm32_pwm to get access to the pwm_chip in
stm32_pwm_suspend() without using priv->chip.
Link: https://lore.kernel.org/r/3db96cd915d9d8fc350a7193c0d55dd109b1f035.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given stm32_pwm. To just not have to do
that, rework stm32_pwm_raw_capture() to take a pwm_chip.
Link: https://lore.kernel.org/r/33790c64563cb0434d7156d96f189c6037b3eb0b.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <[email protected]>
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