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authorThierry Reding <thierry.reding@gmail.com>2016-05-17 15:57:47 +0300
committerThierry Reding <thierry.reding@gmail.com>2016-05-17 15:57:47 +0300
commitbf5dd9abcb4443bbab8cb63b9d82b96a4a45c802 (patch)
treea4d776d644c5b5140490f26c95578f9dcb77653d /drivers/pwm/core.c
parentc3499f0bc38d6db78f119f8f95d5d471e026ef88 (diff)
parentfbd45a12988e75a48d392feb8b0e5feb5d612513 (diff)
downloadlinux-bf5dd9abcb4443bbab8cb63b9d82b96a4a45c802.tar.xz
Merge branch 'for-4.7/pwm-args' into for-next
Diffstat (limited to 'drivers/pwm/core.c')
-rw-r--r--drivers/pwm/core.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 2a1a2d566e39..e4de9156974d 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -147,12 +147,12 @@ of_pwm_xlate_with_flags(struct pwm_chip *pc, const struct of_phandle_args *args)
if (IS_ERR(pwm))
return pwm;
- pwm_set_period(pwm, args->args[1]);
+ pwm->args.period = args->args[1];
if (args->args[2] & PWM_POLARITY_INVERTED)
- pwm_set_polarity(pwm, PWM_POLARITY_INVERSED);
+ pwm->args.polarity = PWM_POLARITY_INVERSED;
else
- pwm_set_polarity(pwm, PWM_POLARITY_NORMAL);
+ pwm->args.polarity = PWM_POLARITY_NORMAL;
return pwm;
}
@@ -173,7 +173,7 @@ of_pwm_simple_xlate(struct pwm_chip *pc, const struct of_phandle_args *args)
if (IS_ERR(pwm))
return pwm;
- pwm_set_period(pwm, args->args[1]);
+ pwm->args.period = args->args[1];
return pwm;
}
@@ -621,6 +621,13 @@ 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);
@@ -752,8 +759,15 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id)
if (IS_ERR(pwm))
goto out;
- pwm_set_period(pwm, chosen->period);
- pwm_set_polarity(pwm, chosen->polarity);
+ 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);