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

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-22 (-22)
Function                                     old     new   delta
intel_pinmux_set_mux                         242     220     -22
Total: Before=10453, After=10431, chg -0.21%

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
 drivers/pinctrl/intel/pinctrl-intel.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 3f78066b1837..2338e84615cc 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -393,7 +393,7 @@ static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev,
 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 	const struct intel_pingroup *grp = &pctrl->soc->groups[group];
 	unsigned long flags;
-	int i;
+	int i, ret = 0;
 
 	raw_spin_lock_irqsave(&pctrl->lock, flags);
 
@@ -403,8 +403,8 @@ static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev,
 	 */
 	for (i = 0; i < grp->grp.npins; i++) {
 		if (!intel_pad_usable(pctrl, grp->grp.pins[i])) {
-			raw_spin_unlock_irqrestore(&pctrl->lock, flags);
-			return -EBUSY;
+			ret = -EBUSY;
+			goto out_unlock;
 		}
 	}
 
@@ -427,9 +427,10 @@ static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev,
 		writel(value, padcfg0);
 	}
 
+out_unlock:
 	raw_spin_unlock_irqrestore(&pctrl->lock, flags);
 
-	return 0;
+	return ret;
 }
 
 static void __intel_gpio_set_direction(void __iomem *padcfg0, bool input)
-- 
2.17.1

On Fri, Jun 09, 2023 at 01:55:38PM +0530, Raag Jadav wrote:
> Simplify exit path of ->set_mux() hook and save a few bytes.
> 
> add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-22 (-22)
> Function                                     old     new   delta
> intel_pinmux_set_mux                         242     220     -22
> Total: Before=10453, After=10431, chg -0.21%
> 
> Signed-off-by: Raag Jadav <raag.jadav@intel.com>
> ---
>  drivers/pinctrl/intel/pinctrl-intel.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)

This adds one more line so it is not simplifying ;-) I think the
original code looks better.

> On Fri, Jun 09, 2023 at 01:55:38PM +0530, Raag Jadav wrote:
> > Simplify exit path of ->set_mux() hook and save a few bytes.
> >
> > add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-22 (-22)
> > Function                                     old     new   delta
> > intel_pinmux_set_mux                         242     220     -22
> > Total: Before=10453, After=10431, chg -0.21%
> >
> > Signed-off-by: Raag Jadav <raag.jadav@intel.com>
> > ---
> >  drivers/pinctrl/intel/pinctrl-intel.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> This adds one more line so it is not simplifying ;-)

Would "optimize" sound any better?

On Fri, Jun 09, 2023 at 09:10:42AM +0000, Jadav, Raag wrote:
> > On Fri, Jun 09, 2023 at 01:55:38PM +0530, Raag Jadav wrote:
> > > Simplify exit path of ->set_mux() hook and save a few bytes.
> > >
> > > add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-22 (-22)
> > > Function                                     old     new   delta
> > > intel_pinmux_set_mux                         242     220     -22
> > > Total: Before=10453, After=10431, chg -0.21%
> > >
> > > Signed-off-by: Raag Jadav <raag.jadav@intel.com>
> > > ---
> > >  drivers/pinctrl/intel/pinctrl-intel.c | 9 +++++----
> > >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > This adds one more line so it is not simplifying ;-)
> 
> Would "optimize" sound any better?

No, I think this patch is not useful at all.