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path: root/drivers/pwm
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Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/core.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 680fbc795a0a..22cf3959041c 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -128,13 +128,6 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label)
set_bit(PWMF_REQUESTED, &pwm->flags);
pwm->label = label;
- /*
- * FIXME: This should be removed once all PWM users properly make use
- * of struct pwm_args to initialize the PWM device. As long as this is
- * here, the PWM state and hardware state can get out of sync.
- */
- pwm_apply_args(pwm);
-
return 0;
}
@@ -627,6 +620,13 @@ struct pwm_device *of_pwm_get(struct device_node *np, const char *con_id)
pwm->label = con_id;
+ /*
+ * FIXME: This should be removed once all PWM users properly make use
+ * of struct pwm_args to initialize the PWM device. As long as this is
+ * here, the PWM state and hardware state can get out of sync.
+ */
+ pwm_apply_args(pwm);
+
put:
of_node_put(args.np);
@@ -754,13 +754,20 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id)
if (!chip)
goto out;
- pwm->args.period = chosen->period;
- pwm->args.polarity = chosen->polarity;
-
pwm = pwm_request_from_chip(chip, chosen->index, con_id ?: dev_id);
if (IS_ERR(pwm))
goto out;
+ pwm->args.period = chosen->period;
+ pwm->args.polarity = chosen->polarity;
+
+ /*
+ * FIXME: This should be removed once all PWM users properly make use
+ * of struct pwm_args to initialize the PWM device. As long as this is
+ * here, the PWM state and hardware state can get out of sync.
+ */
+ pwm_apply_args(pwm);
+
out:
mutex_unlock(&pwm_lookup_lock);
return pwm;