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authorThierry Reding <thierry.reding@gmail.com>2016-05-17 14:44:37 +0200
committerThierry Reding <thierry.reding@gmail.com>2016-05-17 14:44:37 +0200
commit3f1f368e4ab5ac2692e3dfec66a9e6a0a2f6cea7 (patch)
tree67d84a279f38b1582fb0345a9d81cd474cfa7965 /drivers/pwm
parentLinux 4.6-rc1 (diff)
parentpwm: Fix pwm_apply_args() call sites (diff)
downloadlinux-3f1f368e4ab5ac2692e3dfec66a9e6a0a2f6cea7.tar.xz
linux-3f1f368e4ab5ac2692e3dfec66a9e6a0a2f6cea7.zip
Merge branch 'for-4.7/pwm-args' into for-4.7/pwm-atomic
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/core.c26
-rw-r--r--drivers/pwm/pwm-clps711x.c2
-rw-r--r--drivers/pwm/pwm-pxa.c2
3 files changed, 22 insertions, 8 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 7831bc6b51dd..22cf3959041c 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -146,12 +146,12 @@ 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;
}
@@ -172,7 +172,7 @@ 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;
}
@@ -620,6 +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);
@@ -751,8 +758,15 @@ 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);
diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c
index a80c10803636..7d335422cfda 100644
--- a/drivers/pwm/pwm-clps711x.c
+++ b/drivers/pwm/pwm-clps711x.c
@@ -60,7 +60,7 @@ static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
return -EINVAL;
/* Store constant period value */
- pwm_set_period(pwm, DIV_ROUND_CLOSEST(NSEC_PER_SEC, freq));
+ pwm->args.period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, freq);
return 0;
}
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c
index cb2f7024cf68..58b709f29130 100644
--- a/drivers/pwm/pwm-pxa.c
+++ b/drivers/pwm/pwm-pxa.c
@@ -160,7 +160,7 @@ pxa_pwm_of_xlate(struct pwm_chip *pc, const struct of_phandle_args *args)
if (IS_ERR(pwm))
return pwm;
- pwm_set_period(pwm, args->args[0]);
+ pwm->args.period = args->args[0];
return pwm;
}