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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-12-02 19:35:07 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-12-06 12:46:04 +0100 |
| commit | 07d8d8d29aa76f3c28020a9c914cc890eb86a48c (patch) | |
| tree | 1a0e8ef0e9a117492cf3b0d8ad4fdf41825e33f6 /drivers/pwm/pwm-lpc18xx-sct.c | |
| parent | 0b5ef3429d8f78427558ab0dcbfd862098ba2a63 (diff) | |
| download | lwn-07d8d8d29aa76f3c28020a9c914cc890eb86a48c.tar.gz lwn-07d8d8d29aa76f3c28020a9c914cc890eb86a48c.zip | |
pwm: lpc18xx-sct: Fix a comment to match code
lpc18xx_pwm_probe() only ensures clk_rate <= NSEC_PER_SEC, the following
reasoning is right even under this slightly lesser condition.
Fixes: 8933d30c5f46 ("pwm: lpc18xx: Fix period handling")
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://lore.kernel.org/r/20221108153013.132514-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-lpc18xx-sct.c')
| -rw-r--r-- | drivers/pwm/pwm-lpc18xx-sct.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c index 763f2e3a146d..378e1df944dc 100644 --- a/drivers/pwm/pwm-lpc18xx-sct.c +++ b/drivers/pwm/pwm-lpc18xx-sct.c @@ -175,7 +175,7 @@ static void lpc18xx_pwm_config_duty(struct pwm_chip *chip, u32 val; /* - * With clk_rate < NSEC_PER_SEC this cannot overflow. + * With clk_rate <= NSEC_PER_SEC this cannot overflow. * With duty_ns <= period_ns < max_period_ns this also fits into an u32. */ val = mul_u64_u64_div_u64(duty_ns, lpc18xx_pwm->clk_rate, NSEC_PER_SEC); |