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e369246067
[ Upstream commitb2eaa1170e] Some PWM hardwares (e.g. MC33XS2410) cannot implement a zero duty cycle but can instead disable the hardware which also results in a constant inactive output. There are some checks (enabled with CONFIG_PWM_DEBUG) to help implementing a driver without violating the normal rounding rules. Make them less strict to let above described hardware pass without warning. Reported-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20241103205215.GA509903@debian Fixes:3ad1f3a332("pwm: Implement some checks for lowlevel drivers") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Reviewed-by: Dimitri Fedrau <dima.fedrau@gmail.com> Tested-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20241105153521.1001864-2-u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>