[PATCH v1 1/2] pinctrl: cherryview: simplify exit path of set_mux hook

From: Raag Jadav
Date: Thu Jun 08 2023 - 03:20:24 EST


Simplify exit path of ->set_mux() hook and save a few bytes.

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-34 (-34)
Function old new delta
chv_pinmux_set_mux 640 606 -34
Total: Before=19233, After=19199, chg -0.18%

Signed-off-by: Raag Jadav <raag.jadav@xxxxxxxxx>
---
drivers/pinctrl/intel/pinctrl-cherryview.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index b9b2b1d2d47f..1e21c6f8aa7f 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -716,18 +716,21 @@ static int chv_pinmux_set_mux(struct pinctrl_dev *pctldev,
struct device *dev = pctrl->dev;
const struct intel_pingroup *grp;
unsigned long flags;
- int i;
+ int i, ret;

grp = &pctrl->soc->groups[group];

+ /* In case we never really enter any of the below loops */
+ ret = 0;
+
raw_spin_lock_irqsave(&chv_lock, flags);

/* Check first that the pad is not locked */
for (i = 0; i < grp->grp.npins; i++) {
if (chv_pad_locked(pctrl, grp->grp.pins[i])) {
- raw_spin_unlock_irqrestore(&chv_lock, flags);
dev_warn(dev, "unable to set mode for locked pin %u\n", grp->grp.pins[i]);
- return -EBUSY;
+ ret = -EBUSY;
+ goto out_unlock;
}
}

@@ -765,9 +768,10 @@ static int chv_pinmux_set_mux(struct pinctrl_dev *pctldev,
invert_oe ? "" : "not ");
}

+out_unlock:
raw_spin_unlock_irqrestore(&chv_lock, flags);

- return 0;
+ return ret;
}

static void chv_gpio_clear_triggering(struct intel_pinctrl *pctrl,
--
2.17.1