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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-06-09 17:09:53 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-06-12 09:10:54 +0200 |
| commit | 78b99577b3934e3e787fe0c52aa1b59442c8bbb5 (patch) | |
| tree | 4c7bd48ac2cd30bc85e7268f9cb2c7edda6160c7 /drivers/pinctrl/core.c | |
| parent | pinctrl: remove unneeded initializer for list_for_each_entry() iterator (diff) | |
| download | linux-78b99577b3934e3e787fe0c52aa1b59442c8bbb5.tar.xz linux-78b99577b3934e3e787fe0c52aa1b59442c8bbb5.zip | |
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>
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 23 |
1 files changed, 0 insertions, 23 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, |