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authorThierry Reding <thierry.reding@gmail.com>2016-01-21 14:04:59 (GMT)
committerThierry Reding <thierry.reding@gmail.com>2016-01-21 14:04:59 (GMT)
commitff01c944cfa939f3474c28d88223213494aedf0b (patch)
tree8afb1372654d843dca5e0969ddfd58cb5bda7c3a /Documentation
parent074726402b82f14ca377da0b4a4767674c3d1ff8 (diff)
downloadlinux-ff01c944cfa939f3474c28d88223213494aedf0b.tar.xz
pwm: Mark all devices as "might sleep"
Commit d1cd21427747 ("pwm: Set enable state properly on failed call to enable") introduced a mutex that is needed to protect internal state of PWM devices. Since that mutex is acquired in pwm_set_polarity() and in pwm_enable() and might potentially block, all PWM devices effectively become "might sleep". It's rather pointless to keep the .can_sleep field around, but given that there are external users let's postpone the removal for the next release cycle. Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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