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authorLucas De Marchi <lucas.demarchi@intel.com>2025-02-28 06:54:14 -0800
committerLucas De Marchi <lucas.demarchi@intel.com>2025-02-28 06:54:14 -0800
commit0410c6121529409b08e81a77ae3ee58c657e2243 (patch)
treebc9da8b17b25dba10227dd658fce2dbf8adaad7c /drivers/pwm/core.c
parentba757a65d2a28d46a8ccf50538f4f05036983f1b (diff)
parent33e26f3544a558e7476eb221ff33173759b3a116 (diff)
Merge drm/drm-next into drm-xe-next
Sync to fix conlicts between drm-xe-next and drm-intel-next. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'drivers/pwm/core.c')
-rw-r--r--drivers/pwm/core.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 675b252d9c8c..ccd54c089bab 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -242,6 +242,9 @@ int pwm_round_waveform_might_sleep(struct pwm_device *pwm, struct pwm_waveform *
BUG_ON(WFHWSIZE < ops->sizeof_wfhw);
+ if (!pwmchip_supports_waveform(chip))
+ return -EOPNOTSUPP;
+
if (!pwm_wf_valid(wf))
return -EINVAL;
@@ -294,6 +297,9 @@ int pwm_get_waveform_might_sleep(struct pwm_device *pwm, struct pwm_waveform *wf
BUG_ON(WFHWSIZE < ops->sizeof_wfhw);
+ if (!pwmchip_supports_waveform(chip) || !ops->read_waveform)
+ return -EOPNOTSUPP;
+
guard(pwmchip)(chip);
if (!chip->operational)
@@ -320,6 +326,9 @@ static int __pwm_set_waveform(struct pwm_device *pwm,
BUG_ON(WFHWSIZE < ops->sizeof_wfhw);
+ if (!pwmchip_supports_waveform(chip))
+ return -EOPNOTSUPP;
+
if (!pwm_wf_valid(wf))
return -EINVAL;
@@ -592,7 +601,7 @@ static int __pwm_apply(struct pwm_device *pwm, const struct pwm_state *state)
state->usage_power == pwm->state.usage_power)
return 0;
- if (ops->write_waveform) {
+ if (pwmchip_supports_waveform(chip)) {
struct pwm_waveform wf;
char wfhw[WFHWSIZE];
@@ -746,7 +755,7 @@ int pwm_get_state_hw(struct pwm_device *pwm, struct pwm_state *state)
if (!chip->operational)
return -ENODEV;
- if (ops->read_waveform) {
+ if (pwmchip_supports_waveform(chip) && ops->read_waveform) {
char wfhw[WFHWSIZE];
struct pwm_waveform wf;
@@ -1276,7 +1285,7 @@ static int pwm_export_child(struct device *pwmchip_dev, struct pwm_device *pwm)
return 0;
}
-static int pwm_unexport_match(struct device *pwm_dev, void *data)
+static int pwm_unexport_match(struct device *pwm_dev, const void *data)
{
return pwm_from_dev(pwm_dev) == data;
}