pwm: stm32: Use hweight32 in stm32_pwm_detect_channels
[ Upstream commit 41fa8f57 ] Use hweight32() to count the CCxE bits in stm32_pwm_detect_channels(). Since the return value is assigned to chip.npwm, change it to unsigned int as well. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Stable-dep-of: 19f1016e ("pwm: stm32: Fix enable count for clk in .probe()") Signed-off-by: Sasha Levin <sashal@kernel.org>
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