@@ -486,20 +486,19 @@ static int intel_gpio_request_enable(struct pinctrl_dev *pctldev,
struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
void __iomem *padcfg0;
unsigned long flags;
+ int ret = 0;
padcfg0 = intel_get_padcfg(pctrl, pin, PADCFG0);
raw_spin_lock_irqsave(&pctrl->lock, flags);
if (!intel_pad_owned_by_host(pctrl, pin)) {
- raw_spin_unlock_irqrestore(&pctrl->lock, flags);
- return -EBUSY;
+ ret = -EBUSY;
+ goto out_unlock;
}
- if (!intel_pad_is_unlocked(pctrl, pin)) {
- raw_spin_unlock_irqrestore(&pctrl->lock, flags);
- return 0;
- }
+ if (!intel_pad_is_unlocked(pctrl, pin))
+ goto out_unlock;
/*
* If pin is already configured in GPIO mode, we assume that
@@ -507,16 +506,15 @@ static int intel_gpio_request_enable(struct pinctrl_dev *pctldev,
* potential glitches on the pin. Otherwise, for the pin in
* alternative mode, consumer has to supply respective flags.
*/
- if (intel_gpio_get_gpio_mode(padcfg0) == PADCFG0_PMODE_GPIO) {
- raw_spin_unlock_irqrestore(&pctrl->lock, flags);
- return 0;
- }
+ if (intel_gpio_get_gpio_mode(padcfg0) == PADCFG0_PMODE_GPIO)
+ goto out_unlock;
intel_gpio_set_gpio_mode(padcfg0);
+out_unlock:
raw_spin_unlock_irqrestore(&pctrl->lock, flags);
- return 0;
+ return ret;
}
static int intel_gpio_set_direction(struct pinctrl_dev *pctldev,
Simplify exit path of ->gpio_request_enable() hook and save a few bytes. add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-36 (-36) Function old new delta intel_gpio_request_enable 186 150 -36 Total: Before=10431, After=10395, chg -0.35% Signed-off-by: Raag Jadav <raag.jadav@intel.com> --- drivers/pinctrl/intel/pinctrl-intel.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-)