diff mbox series

[v1,1/4] pinctrl: intel: optimize set_mux hook

Message ID 20230608070017.28072-2-raag.jadav@intel.com
State Superseded
Headers show
Series Minor optimizations for Intel pinctrl | expand

Commit Message

Raag Jadav June 8, 2023, 7 a.m. UTC 
Utilize a temporary variable for common shift operation
inside ->set_mux() hook and save a few bytes.

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3)
Function                                     old     new   delta
intel_pinmux_set_mux                         245     242      -3
Total: Before=10472, After=10469, chg -0.03%

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

Patch

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index c7a71c49df0a..e8adf2580321 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -411,18 +411,19 @@  static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev,
 	/* Now enable the mux setting for each pin in the group */
 	for (i = 0; i < grp->grp.npins; i++) {
 		void __iomem *padcfg0;
-		u32 value;
+		u32 value, pmode;
 
 		padcfg0 = intel_get_padcfg(pctrl, grp->grp.pins[i], PADCFG0);
-		value = readl(padcfg0);
 
+		value = readl(padcfg0);
 		value &= ~PADCFG0_PMODE_MASK;
 
 		if (grp->modes)
-			value |= grp->modes[i] << PADCFG0_PMODE_SHIFT;
+			pmode = grp->modes[i];
 		else
-			value |= grp->mode << PADCFG0_PMODE_SHIFT;
+			pmode = grp->mode;
 
+		value |= pmode << PADCFG0_PMODE_SHIFT;
 		writel(value, padcfg0);
 	}