diff options
| author | Emanuele Ghidoli <emanuele.ghidoli@toradex.com> | 2025-06-19 08:37:27 +0200 |
|---|---|---|
| committer | Emanuele Ghidoli <emanuele.ghidoli@toradex.com> | 2025-06-19 10:55:50 +0200 |
| commit | 3bb604cef85fb366931a777a20579cc7c24b6c5c (patch) | |
| tree | 855a4c90b2b093047060d9a5c5888a27e68e54cd /drivers/pwm/pwm-fsl-ftm.c | |
| parent | 1e78582cc49cd07d726ea073178625c1cbbed013 (diff) | |
| parent | 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 (diff) | |
Merge tag 'v6.1.141' into toradex_ti-linux-6.1.y
This is the 6.1.141 stable release
Conflicts:
drivers/spi/spi-cadence-quadspi.c
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Diffstat (limited to 'drivers/pwm/pwm-fsl-ftm.c')
| -rw-r--r-- | drivers/pwm/pwm-fsl-ftm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index 0247757f9a72..6751f3d00560 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -123,6 +123,9 @@ static unsigned int fsl_pwm_ticks_to_ns(struct fsl_pwm_chip *fpc, unsigned long long exval; rate = clk_get_rate(fpc->clk[fpc->period.clk_select]); + if (rate >> fpc->period.clk_ps == 0) + return 0; + exval = ticks; exval *= 1000000000UL; do_div(exval, rate >> fpc->period.clk_ps); @@ -195,6 +198,9 @@ static unsigned int fsl_pwm_calculate_duty(struct fsl_pwm_chip *fpc, unsigned int period = fpc->period.mod_period + 1; unsigned int period_ns = fsl_pwm_ticks_to_ns(fpc, period); + if (!period_ns) + return 0; + duty = (unsigned long long)duty_ns * period; do_div(duty, period_ns); |