counter: stm32-timer-cnt: add power management support
authorFabrice Gasnier <fabrice.gasnier@st.com>
Mon, 10 Feb 2020 17:19:58 +0000 (18:19 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Fri, 21 Feb 2020 10:02:15 +0000 (10:02 +0000)
commitc5b8425514da595763850ae2f3ef78ababe4be80
treefcf3b4655b50e76585ffd19ca3252f1e9734b94e
parentb9cd7be04b0e6cb844f4c64ce05ba892095eb521
counter: stm32-timer-cnt: add power management support

Add suspend/resume PM sleep ops. When going to low power, enforce the
counter isn't active. Gracefully restore its state upon resume in case
it's been left enabled prior to suspend.

Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/counter/stm32-timer-cnt.c