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| /openbmc/linux/drivers/pwm/ |
| H A D | pwm-sl28cpld.c | diff 062c9cdf60a1e581b1002d372f1cf8e745fe3c16 Thu Dec 03 02:41:42 CST 2020 Uwe Kleine-König <u.kleine-koenig@pengutronix.de> pwm: sl28cpld: fix getting driver data in pwm callbacks
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: 9db33d221efc ("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>
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