linux-kernel - [PATCH v1 05/11] pinctrl: pinmux: Add a convenient define PINCTRL_FUNCTION

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Date: Tue, 28 May 2024 00:24:40 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-mips@...r.kernel.org
Cc: Dong Aisheng <aisheng.dong@....com>,
	Fabio Estevam <festevam@...il.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Jacky Bai <ping.bai@....com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Sean Wang <sean.wang@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Paul Cercueil <paul@...pouillou.net>,
	Lakshmi Sowjanya D <lakshmi.sowjanya.d@...el.com>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v1 05/11] pinctrl: pinmux: Add a convenient define PINCTRL_FUNCTION_DESC()

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Add PINCTRL_FUNCTION_DESC() macro for inline use.

While at it, fix adjective form in the comment of PINCTRL_GROUP_DESC().

Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 drivers/pinctrl/core.h   |  2 +-
 drivers/pinctrl/pinmux.c |  7 ++-----
 drivers/pinctrl/pinmux.h | 11 ++++++++++-
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 837fd5bd903d..4e07707d2435 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -206,7 +206,7 @@ struct group_desc {
 	void *data;
 };
 
-/* Convenience macro to define a generic pin group descriptor */
+/* Convenient macro to define a generic pin group descriptor */
 #define PINCTRL_GROUP_DESC(_name, _pins, _num_pins, _data)	\
 (struct group_desc) {						\
 	.grp = PINCTRL_PINGROUP(_name, _pins, _num_pins),	\
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index addba55334d9..89b42e05f368 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -858,7 +858,7 @@ EXPORT_SYMBOL_GPL(pinmux_generic_get_function);
 int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
 				const char *name,
 				const char * const *groups,
-				const unsigned int num_groups,
+				const unsigned int ngroups,
 				void *data)
 {
 	struct function_desc *function;
@@ -877,10 +877,7 @@ int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
 	if (!function)
 		return -ENOMEM;
 
-	function->name = name;
-	function->group_names = groups;
-	function->num_group_names = num_groups;
-	function->data = data;
+	function = PINCTRL_FUNCTION_DESC(name, groups, ngroups, data);
 
 	error = radix_tree_insert(&pctldev->pin_function_tree, selector, function);
 	if (error)
diff --git a/drivers/pinctrl/pinmux.h b/drivers/pinctrl/pinmux.h
index 7c8aa25ccc80..52e6e4db88b4 100644
--- a/drivers/pinctrl/pinmux.h
+++ b/drivers/pinctrl/pinmux.h
@@ -145,6 +145,15 @@ struct function_desc {
 	void *data;
 };
 
+/* Convenient macro to define a generic pin function descriptor */
+#define PINCTRL_FUNCTION_DESC(_name, _grps, _num_grps, _data)	\
+(struct function_desc) {					\
+	.name = _name,						\
+	.group_names = _grps,					\
+	.num_group_names = _num_grps,				\
+	.data = _data,						\
+}
+
 int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev);
 
 const char *
@@ -162,7 +171,7 @@ struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
 int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
 				const char *name,
 				const char * const *groups,
-				unsigned int const num_groups,
+				unsigned int const ngroups,
 				void *data);
 
 int pinmux_generic_remove_function(struct pinctrl_dev *pctldev,
-- 
2.45.1