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authorRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
committerRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
commit74f1af95820fc2ee580a775a3a17c416db30b38c (patch)
tree7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/pwm/pwm-stm32.c
parentd3deabe4c619875714b9a844b1a3d9752dbae1dd (diff)
parentf41830c57bb8e70e283b9db251c95f1270a8279d (diff)
downloadlinux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making stall-on-fault more reliable. Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/pwm/pwm-stm32.c')
-rw-r--r--drivers/pwm/pwm-stm32.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index ec2c05c9ee7a..4b148f0afeb9 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -88,7 +88,7 @@ static int stm32_pwm_round_waveform_tohw(struct pwm_chip *chip,
rate = clk_get_rate(priv->clk);
- if (active_channels(priv) & ~(1 << ch * 4)) {
+ if (active_channels(priv) & ~TIM_CCER_CCxE(ch + 1)) {
u64 arr;
/*
@@ -180,11 +180,11 @@ static int stm32_pwm_round_waveform_tohw(struct pwm_chip *chip,
wfhw->ccr = min_t(u64, ccr, wfhw->arr + 1);
+out:
dev_dbg(&chip->dev, "pwm#%u: %lld/%lld [+%lld] @%lu -> CCER: %08x, PSC: %08x, ARR: %08x, CCR: %08x\n",
pwm->hwpwm, wf->duty_length_ns, wf->period_length_ns, wf->duty_offset_ns,
rate, wfhw->ccer, wfhw->psc, wfhw->arr, wfhw->ccr);
-out:
clk_disable(priv->clk);
return ret;
@@ -213,10 +213,10 @@ static int stm32_pwm_round_waveform_fromhw(struct pwm_chip *chip,
{
const struct stm32_pwm_waveform *wfhw = _wfhw;
struct stm32_pwm *priv = to_stm32_pwm_dev(chip);
+ unsigned long rate = clk_get_rate(priv->clk);
unsigned int ch = pwm->hwpwm;
if (wfhw->ccer & TIM_CCER_CCxE(ch + 1)) {
- unsigned long rate = clk_get_rate(priv->clk);
u64 ccr_ns;
/* The result doesn't overflow for rate >= 15259 */
@@ -236,17 +236,16 @@ static int stm32_pwm_round_waveform_fromhw(struct pwm_chip *chip,
wf->duty_length_ns = ccr_ns;
wf->duty_offset_ns = 0;
}
-
- dev_dbg(&chip->dev, "pwm#%u: CCER: %08x, PSC: %08x, ARR: %08x, CCR: %08x @%lu -> %lld/%lld [+%lld]\n",
- pwm->hwpwm, wfhw->ccer, wfhw->psc, wfhw->arr, wfhw->ccr, rate,
- wf->duty_length_ns, wf->period_length_ns, wf->duty_offset_ns);
-
} else {
*wf = (struct pwm_waveform){
.period_length_ns = 0,
};
}
+ dev_dbg(&chip->dev, "pwm#%u: CCER: %08x, PSC: %08x, ARR: %08x, CCR: %08x @%lu -> %lld/%lld [+%lld]\n",
+ pwm->hwpwm, wfhw->ccer, wfhw->psc, wfhw->arr, wfhw->ccr, rate,
+ wf->duty_length_ns, wf->period_length_ns, wf->duty_offset_ns);
+
return 0;
}