linux-kernel - [PATCH v1 1/2] gpiolib: acpi: Use temporary variable for struct acpi_gpio

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Message-ID: <20250409132942.2550719-2-andriy.shevchenko@linux.intel.com>
Date: Wed,  9 Apr 2025 16:27:53 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-gpio@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Mika Westerberg <westeri@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH v1 1/2] gpiolib: acpi: Use temporary variable for struct acpi_gpio_info

Use temporary variable to access the struct acpi_gpio_info members.
This will help further changes to be cleaner. No functional change
intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/gpio/gpiolib-acpi.c | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index bebb74528cfe..5b6344f0d065 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -752,6 +752,7 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
 {
 	struct acpi_gpio_lookup *lookup = data;
 	struct acpi_gpio_params *params = &lookup->params;
+	struct acpi_gpio_info *info = &lookup->info;
 
 	if (ares->type != ACPI_RESOURCE_TYPE_GPIO)
 		return 1;
@@ -762,7 +763,7 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
 		struct gpio_desc *desc;
 		u16 pin_index;
 
-		if (lookup->info.quirks & ACPI_GPIO_QUIRK_ONLY_GPIOIO && gpioint)
+		if (info->quirks & ACPI_GPIO_QUIRK_ONLY_GPIOIO && gpioint)
 			params->crs_entry_index++;
 
 		if (lookup->n++ != params->crs_entry_index)
@@ -772,16 +773,16 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
 		if (pin_index >= agpio->pin_table_length)
 			return 1;
 
-		if (lookup->info.quirks & ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER)
+		if (info->quirks & ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER)
 			desc = gpio_to_desc(agpio->pin_table[pin_index]);
 		else
 			desc = acpi_get_gpiod(agpio->resource_source.string_ptr,
 					      agpio->pin_table[pin_index]);
 		lookup->desc = desc;
-		lookup->info.pin_config = agpio->pin_config;
-		lookup->info.debounce = agpio->debounce_timeout;
-		lookup->info.gpioint = gpioint;
-		lookup->info.wake_capable = acpi_gpio_irq_is_wake(&lookup->info.adev->dev, agpio);
+		info->pin_config = agpio->pin_config;
+		info->debounce = agpio->debounce_timeout;
+		info->gpioint = gpioint;
+		info->wake_capable = acpi_gpio_irq_is_wake(&info->adev->dev, agpio);
 
 		/*
 		 * Polarity and triggering are only specified for GpioInt
@@ -790,14 +791,14 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
 		 * - ACPI_ACTIVE_LOW == GPIO_ACTIVE_LOW
 		 * - ACPI_ACTIVE_HIGH == GPIO_ACTIVE_HIGH
 		 */
-		if (lookup->info.gpioint) {
-			lookup->info.polarity = agpio->polarity;
-			lookup->info.triggering = agpio->triggering;
+		if (info->gpioint) {
+			info->polarity = agpio->polarity;
+			info->triggering = agpio->triggering;
 		} else {
-			lookup->info.polarity = params->active_low;
+			info->polarity = params->active_low;
 		}
 
-		lookup->info.flags = acpi_gpio_to_gpiod_flags(agpio, lookup->info.polarity);
+		info->flags = acpi_gpio_to_gpiod_flags(agpio, info->polarity);
 	}
 
 	return 1;
@@ -805,7 +806,8 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
 
 static int acpi_gpio_resource_lookup(struct acpi_gpio_lookup *lookup)
 {
-	struct acpi_device *adev = lookup->info.adev;
+	struct acpi_gpio_info *info = &lookup->info;
+	struct acpi_device *adev = info->adev;
 	struct list_head res_list;
 	int ret;
 
@@ -830,6 +832,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode, const char *p
 {
 	struct fwnode_reference_args args;
 	struct acpi_gpio_params *params = &lookup->params;
+	struct acpi_gpio_info *info = &lookup->info;
 	unsigned int index = params->crs_entry_index;
 	unsigned int quirks = 0;
 	int ret;
@@ -857,8 +860,8 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode, const char *p
 	params->line_index = args.args[1];
 	params->active_low = !!args.args[2];
 
-	lookup->info.adev = to_acpi_device_node(args.fwnode);
-	lookup->info.quirks = quirks;
+	info->adev = to_acpi_device_node(args.fwnode);
+	info->quirks = quirks;
 
 	return 0;
 }
-- 
2.47.2