linux-kernel - [PATCH v1 1/1] pinctrl: pxa2xx: Make use of struct pinfunction

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Date: Mon, 11 Mar 2024 16:08:33 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 1/1] pinctrl: pxa2xx: Make use of struct pinfunction

Since pin control provides a generic data type for the pin function,
use it in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/pinctrl/pxa/pinctrl-pxa2xx.c | 24 ++++++++++--------------
 drivers/pinctrl/pxa/pinctrl-pxa2xx.h |  8 +-------
 2 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
index d2568dab8c78..f24bf49fa82b 100644
--- a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
+++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
@@ -109,7 +109,7 @@ static const char *pxa2xx_pmx_get_func_name(struct pinctrl_dev *pctldev,
 					    unsigned function)
 {
 	struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
-	struct pxa_pinctrl_function *pf = pctl->functions + function;
+	struct pinfunction *pf = pctl->functions + function;
 
 	return pf->name;
 }
@@ -127,7 +127,7 @@ static int pxa2xx_pmx_get_func_groups(struct pinctrl_dev *pctldev,
 				      unsigned * const num_groups)
 {
 	struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
-	struct pxa_pinctrl_function *pf = pctl->functions + function;
+	struct pinfunction *pf = pctl->functions + function;
 
 	*groups = pf->groups;
 	*num_groups = pf->ngroups;
@@ -249,11 +249,11 @@ static struct pinctrl_desc pxa2xx_pinctrl_desc = {
 	.pmxops		= &pxa2xx_pinmux_ops,
 };
 
-static const struct pxa_pinctrl_function *
-pxa2xx_find_function(struct pxa_pinctrl *pctl, const char *fname,
-		     const struct pxa_pinctrl_function *functions)
+static const struct pinfunction *pxa2xx_find_function(struct pxa_pinctrl *pctl,
+						      const char *fname,
+						      const struct pinfunction *functions)
 {
-	const struct pxa_pinctrl_function *func;
+	const struct pinfunction *func;
 
 	for (func = functions; func->name; func++)
 		if (!strcmp(fname, func->name))
@@ -264,8 +264,8 @@ pxa2xx_find_function(struct pxa_pinctrl *pctl, const char *fname,
 
 static int pxa2xx_build_functions(struct pxa_pinctrl *pctl)
 {
+	struct pinfunction *functions;
 	int i;
-	struct pxa_pinctrl_function *functions;
 	struct pxa_desc_function *df;
 
 	/*
@@ -296,9 +296,9 @@ static int pxa2xx_build_functions(struct pxa_pinctrl *pctl)
 static int pxa2xx_build_groups(struct pxa_pinctrl *pctl)
 {
 	int i, j, ngroups;
-	struct pxa_pinctrl_function *func;
 	struct pxa_desc_function *df;
-	char **gtmp;
+	struct pinfunction *func;
+	const char **gtmp;
 
 	gtmp = devm_kmalloc_array(pctl->dev, pctl->npins, sizeof(*gtmp),
 				  GFP_KERNEL);
@@ -316,13 +316,9 @@ static int pxa2xx_build_groups(struct pxa_pinctrl *pctl)
 						pctl->ppins[j].pin.name;
 		func = pctl->functions + i;
 		func->ngroups = ngroups;
-		func->groups =
-			devm_kmalloc_array(pctl->dev, ngroups,
-					   sizeof(char *), GFP_KERNEL);
+		func->groups = devm_kmemdup(pctl->dev, gtmp, ngroups * sizeof(*gtmp), GFP_KERNEL);
 		if (!func->groups)
 			return -ENOMEM;
-
-		memcpy(func->groups, gtmp, ngroups * sizeof(*gtmp));
 	}
 
 	devm_kfree(pctl->dev, gtmp);
diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.h b/drivers/pinctrl/pxa/pinctrl-pxa2xx.h
index d86d47dbbc94..a0bdcec55158 100644
--- a/drivers/pinctrl/pxa/pinctrl-pxa2xx.h
+++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.h
@@ -57,12 +57,6 @@ struct pxa_pinctrl_group {
 	unsigned	pin;
 };
 
-struct pxa_pinctrl_function {
-	const char	*name;
-	const char	**groups;
-	unsigned	ngroups;
-};
-
 struct pxa_pinctrl {
 	spinlock_t			lock;
 	void __iomem			**base_gafr;
@@ -76,7 +70,7 @@ struct pxa_pinctrl {
 	unsigned			ngroups;
 	struct pxa_pinctrl_group	*groups;
 	unsigned			nfuncs;
-	struct pxa_pinctrl_function	*functions;
+	struct pinfunction		*functions;
 	char				*name;
 };
 
-- 
2.43.0.rc1.1.gbec44491f096