linux-kernel - [PATCH v1] pinctrl: intel: fetch community only when we need it

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Message-Id: <20231011064218.19247-1-raag.jadav@intel.com>
Date:   Wed, 11 Oct 2023 12:12:18 +0530
From:   Raag Jadav <raag.jadav@...el.com>
To:     linus.walleij@...aro.org, mika.westerberg@...ux.intel.com,
        andriy.shevchenko@...ux.intel.com
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        mallikarjunappa.sangannavar@...el.com, pandith.n@...el.com,
        Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v1] pinctrl: intel: fetch community only when we need it

We check community features only in case PIN_CONFIG_BIAS_PULL_DOWN while
setting/getting pad termination. No need to fetch the community otherwise.

Signed-off-by: Raag Jadav <raag.jadav@...el.com>
Acked-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/pinctrl/intel/pinctrl-intel.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index f9155d94a830..9731a3acb23c 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -534,11 +534,9 @@ static const struct pinmux_ops intel_pinmux_ops = {
 static int intel_config_get_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 				 enum pin_config_param param, u32 *arg)
 {
-	const struct intel_community *community;
 	void __iomem *padcfg1;
 	u32 value, term;
 
-	community = intel_get_community(pctrl, pin);
 	padcfg1 = intel_get_padcfg(pctrl, pin, PADCFG1);
 
 	scoped_guard(raw_spinlock_irqsave, &pctrl->lock)
@@ -576,7 +574,9 @@ static int intel_config_get_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 
 		break;
 
-	case PIN_CONFIG_BIAS_PULL_DOWN:
+	case PIN_CONFIG_BIAS_PULL_DOWN: {
+		const struct intel_community *community = intel_get_community(pctrl, pin);
+
 		if (!term || value & PADCFG1_TERM_UP)
 			return -EINVAL;
 
@@ -603,6 +603,7 @@ static int intel_config_get_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 		}
 
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -673,7 +674,6 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 {
 	unsigned int param = pinconf_to_config_param(config);
 	unsigned int arg = pinconf_to_config_argument(config);
-	const struct intel_community *community;
 	u32 term = 0, up = 0, value;
 	void __iomem *padcfg1;
 
@@ -709,8 +709,8 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 		up = PADCFG1_TERM_UP;
 		break;
 
-	case PIN_CONFIG_BIAS_PULL_DOWN:
-		community = intel_get_community(pctrl, pin);
+	case PIN_CONFIG_BIAS_PULL_DOWN: {
+		const struct intel_community *community = intel_get_community(pctrl, pin);
 
 		switch (arg) {
 		case 20000:
@@ -737,6 +737,7 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin,
 		}
 
 		break;
+	}
 
 	default:
 		return -EINVAL;

base-commit: 55176feaa4d8f7d07005c6199d7843bc2991773d
-- 
2.17.1