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authorSean Young <sean@mess.org>2023-12-20 17:24:25 +0300
committerThierry Reding <thierry.reding@gmail.com>2023-12-20 18:12:32 +0300
commitfcc76072935935082efa127b97c7ddd880d2d793 (patch)
treed067e97a599bc251ccfe1fe0cf5bc22fee8c9921 /drivers/pwm/pwm-omap-dmtimer.c
parent7170d3beafc2373dd76b6b5d6e617d89e4e42b8b (diff)
downloadlinux-fcc76072935935082efa127b97c7ddd880d2d793.tar.xz
pwm: bcm2835: Allow PWM driver to be used in atomic context
clk_get_rate() may do a mutex lock. Fetch the clock rate once, and prevent rate changes using clk_rate_exclusive_get(). Signed-off-by: Sean Young <sean@mess.org> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-omap-dmtimer.c')
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