[v1,2/2] pinctrl: cherryview: simplify exit path of gpio_request_enable hook
Commit Message
Simplify exit path of ->gpio_request_enable() hook and save a few bytes.
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-10 (-10)
Function old new delta
chv_gpio_request_enable 296 286 -10
Total: Before=19199, After=19189, chg -0.05%
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
drivers/pinctrl/intel/pinctrl-cherryview.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
@@ -803,15 +803,18 @@ static int chv_gpio_request_enable(struct pinctrl_dev *pctldev,
struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
unsigned long flags;
u32 value;
+ int ret;
+
+ /* For positive cases */
+ ret = 0;
raw_spin_lock_irqsave(&chv_lock, flags);
if (chv_pad_locked(pctrl, offset)) {
value = chv_readl(pctrl, offset, CHV_PADCTRL0);
if (!(value & CHV_PADCTRL0_GPIOEN)) {
- /* Locked so cannot enable */
- raw_spin_unlock_irqrestore(&chv_lock, flags);
- return -EBUSY;
+ ret = -EBUSY;
+ goto out_unlock;
}
} else {
struct intel_community_context *cctx = &pctrl->context.communities[0];
@@ -845,9 +848,10 @@ static int chv_gpio_request_enable(struct pinctrl_dev *pctldev,
chv_writel(pctrl, offset, CHV_PADCTRL0, value);
}
+out_unlock:
raw_spin_unlock_irqrestore(&chv_lock, flags);
- return 0;
+ return ret;
}
static void chv_gpio_disable_free(struct pinctrl_dev *pctldev,