pinctrl: add pinctrl_add_gpio_ranges function

Often GPIO ranges are added in batch, so create a special
function for that.

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>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 902428dfb37e..fb7f3bebdc69 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -332,6 +332,17 @@ void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
 }
 EXPORT_SYMBOL_GPL(pinctrl_add_gpio_range);
 
+void pinctrl_add_gpio_ranges(struct pinctrl_dev *pctldev,
+                             struct pinctrl_gpio_range *ranges,
+                             unsigned nranges)
+{
+        int i;
+
+        for (i = 0; i < nranges; i++)
+                pinctrl_add_gpio_range(pctldev, &ranges[i]);
+}
+EXPORT_SYMBOL_GPL(pinctrl_add_gpio_ranges);
+
 /**
  * pinctrl_get_group_selector() - returns the group selector for a group
  * @pctldev: the pin controller handling the group