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| author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2019-04-18 11:37:47 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2019-06-25 14:51:43 +0200 |
| commit | b2c200e3f2fd1158f5f1c93ccb2e0a27d96c4a7a (patch) | |
| tree | 37e6878972f4272b199d689de29d44d54267c9db /Documentation/power/opp.txt | |
| parent | cce4a833fc6dfdb43a492876ad06f506a61f8fbd (diff) | |
| download | linux-b2c200e3f2fd1158f5f1c93ccb2e0a27d96c4a7a.tar.gz linux-b2c200e3f2fd1158f5f1c93ccb2e0a27d96c4a7a.tar.bz2 linux-b2c200e3f2fd1158f5f1c93ccb2e0a27d96c4a7a.zip | |
pwm: Add consumer device link
Add a device link between the PWM consumer and the PWM provider. This
enforces the PWM user to get suspended before the PWM provider. It
allows proper synchronization of suspend/resume sequences: the PWM user
is responsible for properly stopping PWM, before the provider gets
suspended: see [1]. Add the device link in:
- of_pwm_get()
- pwm_get()
- devm_*pwm_get() variants
as it requires a reference to the device for the PWM consumer.
[1] https://lkml.org/lkml/2019/2/5/770
Suggested-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/power/opp.txt')
0 files changed, 0 insertions, 0 deletions