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authorAlex Shi <alex.shi@linaro.org>2018-03-26 02:32:06 +0000
committerAlex Shi <alex.shi@linaro.org>2018-03-26 02:32:06 +0000
commit95263782222ba14acb4f45ce40343286653a212d (patch)
treeb1b91815dc7ecc03361e3e3ce192f7d64b71fe2e /drivers/pinctrl/core.c
parent9c032b533b870102c1929870059ec2c089a31f2b (diff)
parentc5833b96030f9e06cf7c19dd4f99d3b55985eb8c (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-18.03-android
Diffstat (limited to 'drivers/pinctrl/core.c')
-rw-r--r--drivers/pinctrl/core.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 2686a4450dfc..f4639a9f1e48 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -979,19 +979,16 @@ struct pinctrl_state *pinctrl_lookup_state(struct pinctrl *p,
EXPORT_SYMBOL_GPL(pinctrl_lookup_state);
/**
- * pinctrl_select_state() - select/activate/program a pinctrl state to HW
+ * pinctrl_commit_state() - select/activate/program a pinctrl state to HW
* @p: the pinctrl handle for the device that requests configuration
* @state: the state handle to select/activate/program
*/
-int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *state)
+static int pinctrl_commit_state(struct pinctrl *p, struct pinctrl_state *state)
{
struct pinctrl_setting *setting, *setting2;
struct pinctrl_state *old_state = p->state;
int ret;
- if (p->state == state)
- return 0;
-
if (p->state) {
/*
* For each pinmux setting in the old state, forget SW's record
@@ -1055,6 +1052,19 @@ unapply_new_state:
return ret;
}
+
+/**
+ * pinctrl_select_state() - select/activate/program a pinctrl state to HW
+ * @p: the pinctrl handle for the device that requests configuration
+ * @state: the state handle to select/activate/program
+ */
+int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *state)
+{
+ if (p->state == state)
+ return 0;
+
+ return pinctrl_commit_state(p, state);
+}
EXPORT_SYMBOL_GPL(pinctrl_select_state);
static void devm_pinctrl_release(struct device *dev, void *res)
@@ -1223,7 +1233,7 @@ void pinctrl_unregister_map(struct pinctrl_map const *map)
int pinctrl_force_sleep(struct pinctrl_dev *pctldev)
{
if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_sleep))
- return pinctrl_select_state(pctldev->p, pctldev->hog_sleep);
+ return pinctrl_commit_state(pctldev->p, pctldev->hog_sleep);
return 0;
}
EXPORT_SYMBOL_GPL(pinctrl_force_sleep);
@@ -1235,7 +1245,7 @@ EXPORT_SYMBOL_GPL(pinctrl_force_sleep);
int pinctrl_force_default(struct pinctrl_dev *pctldev)
{
if (!IS_ERR(pctldev->p) && !IS_ERR(pctldev->hog_default))
- return pinctrl_select_state(pctldev->p, pctldev->hog_default);
+ return pinctrl_commit_state(pctldev->p, pctldev->hog_default);
return 0;
}
EXPORT_SYMBOL_GPL(pinctrl_force_default);