pinctrl: remove pinctrl_remove_gpio_range

The gpio ranges will be automatically removed when the pinctrl
driver is unregistered.

Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 5 insertions, 19 deletions

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 50d9c289cffd..902428dfb37e 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -333,20 +333,6 @@ void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
 EXPORT_SYMBOL_GPL(pinctrl_add_gpio_range);
 
 /**
- * pinctrl_remove_gpio_range() - remove a range of GPIOs fro a pin controller
- * @pctldev: pin controller device to remove the range from
- * @range: the GPIO range to remove
- */
-void pinctrl_remove_gpio_range(struct pinctrl_dev *pctldev,
-                               struct pinctrl_gpio_range *range)
-{
-        mutex_lock(&pinctrl_mutex);
-        list_del(&range->node);
-        mutex_unlock(&pinctrl_mutex);
-}
-EXPORT_SYMBOL_GPL(pinctrl_remove_gpio_range);
-
-/**
  * pinctrl_get_group_selector() - returns the group selector for a group
  * @pctldev: the pin controller handling the group
  * @pin_group: the pin group to look up
@@ -1480,6 +1466,7 @@ EXPORT_SYMBOL_GPL(pinctrl_register);
  */
 void pinctrl_unregister(struct pinctrl_dev *pctldev)
 {
+        struct pinctrl_gpio_range *range, *n;
         if (pctldev == NULL)
                 return;
 
@@ -1495,6 +1482,10 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev)
         /* Destroy descriptor tree */
         pinctrl_free_pindescs(pctldev, pctldev->desc->pins,
                               pctldev->desc->npins);
+        /* remove gpio ranges map */
+        list_for_each_entry_safe(range, n, &pctldev->gpio_ranges, node)
+                list_del(&range->node);
+
         kfree(pctldev);
 
         mutex_unlock(&pinctrl_mutex);
diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index b6934867d8d3..07228b17a370 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -764,7 +764,6 @@ int __devexit tegra_pinctrl_remove(struct platform_device *pdev)
 {
         struct tegra_pmx *pmx = platform_get_drvdata(pdev);
 
-        pinctrl_remove_gpio_range(pmx->pctl, &tegra_pinctrl_gpio_range);
         pinctrl_unregister(pmx->pctl);
 
         return 0;
diff --git a/drivers/pinctrl/pinctrl-u300.c b/drivers/pinctrl/pinctrl-u300.c
index 6cd697a079f9..5f43f9ae36d3 100644
--- a/drivers/pinctrl/pinctrl-u300.c
+++ b/drivers/pinctrl/pinctrl-u300.c
@@ -1175,8 +1175,6 @@ static int __devexit u300_pmx_remove(struct platform_device *pdev)
         struct u300_pmx *upmx = platform_get_drvdata(pdev);
         int i;
 
-        for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++)
-                pinctrl_remove_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);
         pinctrl_unregister(upmx->pctl);
         iounmap(upmx->virtbase);
         release_mem_region(upmx->phybase, upmx->physize);
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 3b894a668d32..170a588a55b6 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -131,8 +131,6 @@ extern void pinctrl_unregister(struct pinctrl_dev *pctldev);
 extern bool pin_is_valid(struct pinctrl_dev *pctldev, int pin);
 extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
                                 struct pinctrl_gpio_range *range);
-extern void pinctrl_remove_gpio_range(struct pinctrl_dev *pctldev,
-                                struct pinctrl_gpio_range *range);
 extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
 extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
 #else