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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-06-10 00:09:53 +0900
committerLinus Walleij <linus.walleij@linaro.org>2019-06-12 09:10:54 +0200
commit78b99577b3934e3e787fe0c52aa1b59442c8bbb5 (patch)
tree4c7bd48ac2cd30bc85e7268f9cb2c7edda6160c7
parent6cadafb310866b95f1ca956eaebbe3076adc0886 (diff)
pinctrl: remove unused pin_is_valid()
This function was used by pin_request() to pointlessly double-check the pin validity, and it was the only user ever. Since commit d2f6a1c6fb0e ("pinctrl: remove double pin validity check."), no one has ever used it. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/pinctrl/core.c23
-rw-r--r--include/linux/pinctrl/pinctrl.h10
2 files changed, 0 insertions, 33 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 04787eefe2a2..e745788fa36f 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -178,29 +178,6 @@ const char *pin_get_name(struct pinctrl_dev *pctldev, const unsigned pin)
return desc->name;
}
-/**
- * pin_is_valid() - check if pin exists on controller
- * @pctldev: the pin control device to check the pin on
- * @pin: pin to check, use the local pin controller index number
- *
- * This tells us whether a certain pin exist on a certain pin controller or
- * not. Pin lists may be sparse, so some pins may not exist.
- */
-bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
-{
- struct pin_desc *pindesc;
-
- if (pin < 0)
- return false;
-
- mutex_lock(&pctldev->mutex);
- pindesc = pin_desc_get(pctldev, pin);
- mutex_unlock(&pctldev->mutex);
-
- return pindesc != NULL;
-}
-EXPORT_SYMBOL_GPL(pin_is_valid);
-
/* Deletes a range of pin descriptors */
static void pinctrl_free_pindescs(struct pinctrl_dev *pctldev,
const struct pinctrl_pin_desc *pins,
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 2744113f1024..36a79fe7b84f 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -172,7 +172,6 @@ extern struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
extern void devm_pinctrl_unregister(struct device *dev,
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_add_gpio_ranges(struct pinctrl_dev *pctldev,
@@ -203,15 +202,6 @@ struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
extern const char *pinctrl_dev_get_devname(struct pinctrl_dev *pctldev);
extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
-#else
-
-struct pinctrl_dev;
-
-/* Sufficiently stupid default functions when pinctrl is not in use */
-static inline bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
-{
- return pin >= 0;
-}
#endif /* !CONFIG_PINCTRL */