All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init
@ 2011-04-20 19:55 Philipp Zabel
  2011-04-27 18:50 ` [PATCH v2] pxa/magician: use gpio arrays for backlight and global gpio initialization Philipp Zabel
  2011-07-05  7:43 ` [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Eric Miao
  0 siblings, 2 replies; 5+ messages in thread
From: Philipp Zabel @ 2011-04-20 19:55 UTC (permalink / raw)
  To: linux-arm-kernel

Use gpio_request_array() / gpio_free_array() in backlight init and exit
functions and lcd power initialization.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
---
 arch/arm/mach-pxa/magician.c |   43 ++++++++++++++++-------------------------
 1 files changed, 17 insertions(+), 26 deletions(-)

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 9984ef7..22da1e9 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -344,22 +344,14 @@ static struct pxafb_mach_info samsung_info = {
  * Backlight
  */
 
+static struct gpio magician_bl_gpios[] = {
+        { EGPIO_MAGICIAN_BL_POWER,  GPIOF_DIR_OUT, "Backlight power" },
+        { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
+};
+
 static int magician_backlight_init(struct device *dev)
 {
-	int ret;
-
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
-	if (ret)
-		goto err;
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
-	if (ret)
-		goto err2;
-	return 0;
-
-err2:
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-err:
-	return ret;
+	return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static int magician_backlight_notify(struct device *dev, int brightness)
@@ -376,8 +368,7 @@ static int magician_backlight_notify(struct device *dev, int brightness)
 
 static void magician_backlight_exit(struct device *dev)
 {
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-	gpio_free(EGPIO_MAGICIAN_BL_POWER2);
+	gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static struct platform_pwm_backlight_data backlight_data = {
@@ -712,6 +703,12 @@ static struct platform_device *devices[] __initdata = {
 	&leds_gpio,
 };
 
+static struct gpio magician_lcd_gpios[] = {
+	{ GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" },
+	{ GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" },
+	{ GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" }
+};
+
 static void __init magician_init(void)
 {
 	void __iomem *cpld;
@@ -747,16 +744,10 @@ static void __init magician_init(void)
 		system_rev = board_id & 0x7;
 		lcd_select = board_id & 0x8;
 		pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
-		if (lcd_select && (system_rev < 3)) {
-			gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
-			gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
-		}
-		gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
-		gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
-		gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
-		gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
-		gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
-		gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
+		if (lcd_select && (system_rev < 3))
+			gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
+				         GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER");
+		gpio_request_array(ARRAY_AND_SIZE(magician_lcd_gpios));
 		pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
 	} else
 		pr_err("LCD detection: CPLD mapping failed\n");
-- 
1.7.4.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH v2] pxa/magician: use gpio arrays for backlight and global gpio initialization
  2011-04-20 19:55 [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Philipp Zabel
@ 2011-04-27 18:50 ` Philipp Zabel
  2011-04-28 20:21   ` [PATCH v3] " Philipp Zabel
  2011-07-05  7:43 ` [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Eric Miao
  1 sibling, 1 reply; 5+ messages in thread
From: Philipp Zabel @ 2011-04-27 18:50 UTC (permalink / raw)
  To: linux-arm-kernel

Use gpio_request_array() / gpio_free_array() in backlight init and exit
functions and global gpio initialization.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
---
 arch/arm/mach-pxa/magician.c |   57 +++++++++++++++++-------------------------
 1 files changed, 23 insertions(+), 34 deletions(-)

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 9984ef7..34aabe9 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -344,22 +344,14 @@ static struct pxafb_mach_info samsung_info = {
  * Backlight
  */
 
+static struct gpio magician_bl_gpios[] = {
+        { EGPIO_MAGICIAN_BL_POWER,  GPIOF_DIR_OUT, "Backlight power" },
+        { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
+};
+
 static int magician_backlight_init(struct device *dev)
 {
-	int ret;
-
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
-	if (ret)
-		goto err;
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
-	if (ret)
-		goto err2;
-	return 0;
-
-err2:
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-err:
-	return ret;
+	return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static int magician_backlight_notify(struct device *dev, int brightness)
@@ -376,8 +368,7 @@ static int magician_backlight_notify(struct device *dev, int brightness)
 
 static void magician_backlight_exit(struct device *dev)
 {
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-	gpio_free(EGPIO_MAGICIAN_BL_POWER2);
+	gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static struct platform_pwm_backlight_data backlight_data = {
@@ -712,16 +703,25 @@ static struct platform_device *devices[] __initdata = {
 	&leds_gpio,
 };
 
+static struct gpio magician_global_gpios[] = {
+	{ GPIO13_MAGICIAN_CPLD_IRQ,   GPIOF_IN, "CPLD_IRQ" },
+	{ GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
+	{ GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" },
+	{ GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" },
+	{ GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" },
+	{ GPIO83_MAGICIAN_nIR_EN, GPIOF_OUT_INIT_HIGH, "nIR_EN" },
+};
+
 static void __init magician_init(void)
 {
 	void __iomem *cpld;
 	int lcd_select;
 	int err;
 
-	gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");
-	gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");
-
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
+	err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
+	if (err)
+		pr_err ("magician: Failed to request GPIOs.\n");
 
 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
@@ -729,11 +729,7 @@ static void __init magician_init(void)
 
 	platform_add_devices(ARRAY_AND_SIZE(devices));
 
-	err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
-	if (!err) {
-		gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);
-		pxa_set_ficp_info(&magician_ficp_info);
-	}
+	pxa_set_ficp_info(&magician_ficp_info);
 	pxa27x_set_i2c_power_info(NULL);
 	pxa_set_i2c_info(&i2c_info);
 	pxa_set_mci_info(&magician_mci_info);
@@ -747,16 +743,9 @@ static void __init magician_init(void)
 		system_rev = board_id & 0x7;
 		lcd_select = board_id & 0x8;
 		pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
-		if (lcd_select && (system_rev < 3)) {
-			gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
-			gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
-		}
-		gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
-		gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
-		gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
-		gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
-		gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
-		gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
+		if (lcd_select && (system_rev < 3))
+			gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
+				         GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER");
 		pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
 	} else
 		pr_err("LCD detection: CPLD mapping failed\n");
-- 
1.7.4.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH v3] pxa/magician: use gpio arrays for backlight and global gpio initialization
  2011-04-27 18:50 ` [PATCH v2] pxa/magician: use gpio arrays for backlight and global gpio initialization Philipp Zabel
@ 2011-04-28 20:21   ` Philipp Zabel
  2011-07-05  7:57     ` Eric Miao
  0 siblings, 1 reply; 5+ messages in thread
From: Philipp Zabel @ 2011-04-28 20:21 UTC (permalink / raw)
  To: linux-arm-kernel

Use gpio_request_array() / gpio_free_array() in backlight init and exit
functions and global gpio initialization.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
---
 arch/arm/mach-pxa/magician.c |   57 +++++++++++++++++-------------------------
 1 files changed, 23 insertions(+), 34 deletions(-)

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 9984ef7..1be25c7 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -344,22 +344,14 @@ static struct pxafb_mach_info samsung_info = {
  * Backlight
  */
 
+static struct gpio magician_bl_gpios[] = {
+	{ EGPIO_MAGICIAN_BL_POWER,  GPIOF_DIR_OUT, "Backlight power" },
+	{ EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
+};
+
 static int magician_backlight_init(struct device *dev)
 {
-	int ret;
-
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
-	if (ret)
-		goto err;
-	ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
-	if (ret)
-		goto err2;
-	return 0;
-
-err2:
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-err:
-	return ret;
+	return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static int magician_backlight_notify(struct device *dev, int brightness)
@@ -376,8 +368,7 @@ static int magician_backlight_notify(struct device *dev, int brightness)
 
 static void magician_backlight_exit(struct device *dev)
 {
-	gpio_free(EGPIO_MAGICIAN_BL_POWER);
-	gpio_free(EGPIO_MAGICIAN_BL_POWER2);
+	gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
 }
 
 static struct platform_pwm_backlight_data backlight_data = {
@@ -712,16 +703,25 @@ static struct platform_device *devices[] __initdata = {
 	&leds_gpio,
 };
 
+static struct gpio magician_global_gpios[] = {
+	{ GPIO13_MAGICIAN_CPLD_IRQ,   GPIOF_IN, "CPLD_IRQ" },
+	{ GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
+	{ GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" },
+	{ GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" },
+	{ GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" },
+	{ GPIO83_MAGICIAN_nIR_EN, GPIOF_OUT_INIT_HIGH, "nIR_EN" },
+};
+
 static void __init magician_init(void)
 {
 	void __iomem *cpld;
 	int lcd_select;
 	int err;
 
-	gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");
-	gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");
-
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
+	err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
+	if (err)
+		pr_err("magician: Failed to request GPIOs: %d\n", err);
 
 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
@@ -729,11 +729,7 @@ static void __init magician_init(void)
 
 	platform_add_devices(ARRAY_AND_SIZE(devices));
 
-	err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
-	if (!err) {
-		gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);
-		pxa_set_ficp_info(&magician_ficp_info);
-	}
+	pxa_set_ficp_info(&magician_ficp_info);
 	pxa27x_set_i2c_power_info(NULL);
 	pxa_set_i2c_info(&i2c_info);
 	pxa_set_mci_info(&magician_mci_info);
@@ -747,16 +743,9 @@ static void __init magician_init(void)
 		system_rev = board_id & 0x7;
 		lcd_select = board_id & 0x8;
 		pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
-		if (lcd_select && (system_rev < 3)) {
-			gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
-			gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
-		}
-		gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
-		gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
-		gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
-		gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
-		gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
-		gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
+		if (lcd_select && (system_rev < 3))
+			gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
+			                 GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER");
 		pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
 	} else
 		pr_err("LCD detection: CPLD mapping failed\n");
-- 
1.7.4.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init
  2011-04-20 19:55 [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Philipp Zabel
  2011-04-27 18:50 ` [PATCH v2] pxa/magician: use gpio arrays for backlight and global gpio initialization Philipp Zabel
@ 2011-07-05  7:43 ` Eric Miao
  1 sibling, 0 replies; 5+ messages in thread
From: Eric Miao @ 2011-07-05  7:43 UTC (permalink / raw)
  To: linux-arm-kernel

On Thu, Apr 21, 2011 at 3:55 AM, Philipp Zabel <philipp.zabel@gmail.com> wrote:
> Use gpio_request_array() / gpio_free_array() in backlight init and exit
> functions and lcd power initialization.
>
> Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>

Applied.

> ---
> ?arch/arm/mach-pxa/magician.c | ? 43 ++++++++++++++++-------------------------
> ?1 files changed, 17 insertions(+), 26 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
> index 9984ef7..22da1e9 100644
> --- a/arch/arm/mach-pxa/magician.c
> +++ b/arch/arm/mach-pxa/magician.c
> @@ -344,22 +344,14 @@ static struct pxafb_mach_info samsung_info = {
> ?* Backlight
> ?*/
>
> +static struct gpio magician_bl_gpios[] = {
> + ? ? ? ?{ EGPIO_MAGICIAN_BL_POWER, ?GPIOF_DIR_OUT, "Backlight power" },
> + ? ? ? ?{ EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
> +};
> +
> ?static int magician_backlight_init(struct device *dev)
> ?{
> - ? ? ? int ret;
> -
> - ? ? ? ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
> - ? ? ? if (ret)
> - ? ? ? ? ? ? ? goto err;
> - ? ? ? ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
> - ? ? ? if (ret)
> - ? ? ? ? ? ? ? goto err2;
> - ? ? ? return 0;
> -
> -err2:
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER);
> -err:
> - ? ? ? return ret;
> + ? ? ? return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
> ?}
>
> ?static int magician_backlight_notify(struct device *dev, int brightness)
> @@ -376,8 +368,7 @@ static int magician_backlight_notify(struct device *dev, int brightness)
>
> ?static void magician_backlight_exit(struct device *dev)
> ?{
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER);
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER2);
> + ? ? ? gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
> ?}
>
> ?static struct platform_pwm_backlight_data backlight_data = {
> @@ -712,6 +703,12 @@ static struct platform_device *devices[] __initdata = {
> ? ? ? ?&leds_gpio,
> ?};
>
> +static struct gpio magician_lcd_gpios[] = {
> + ? ? ? { GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" },
> + ? ? ? { GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" },
> + ? ? ? { GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" }
> +};
> +
> ?static void __init magician_init(void)
> ?{
> ? ? ? ?void __iomem *cpld;
> @@ -747,16 +744,10 @@ static void __init magician_init(void)
> ? ? ? ? ? ? ? ?system_rev = board_id & 0x7;
> ? ? ? ? ? ? ? ?lcd_select = board_id & 0x8;
> ? ? ? ? ? ? ? ?pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
> - ? ? ? ? ? ? ? if (lcd_select && (system_rev < 3)) {
> - ? ? ? ? ? ? ? ? ? ? ? gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
> - ? ? ? ? ? ? ? ? ? ? ? gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
> - ? ? ? ? ? ? ? }
> - ? ? ? ? ? ? ? gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
> - ? ? ? ? ? ? ? gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
> - ? ? ? ? ? ? ? gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
> + ? ? ? ? ? ? ? if (lcd_select && (system_rev < 3))
> + ? ? ? ? ? ? ? ? ? ? ? gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER");
> + ? ? ? ? ? ? ? gpio_request_array(ARRAY_AND_SIZE(magician_lcd_gpios));
> ? ? ? ? ? ? ? ?pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
> ? ? ? ?} else
> ? ? ? ? ? ? ? ?pr_err("LCD detection: CPLD mapping failed\n");
> --
> 1.7.4.4
>
>
>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH v3] pxa/magician: use gpio arrays for backlight and global gpio initialization
  2011-04-28 20:21   ` [PATCH v3] " Philipp Zabel
@ 2011-07-05  7:57     ` Eric Miao
  0 siblings, 0 replies; 5+ messages in thread
From: Eric Miao @ 2011-07-05  7:57 UTC (permalink / raw)
  To: linux-arm-kernel

On Fri, Apr 29, 2011 at 4:21 AM, Philipp Zabel <philipp.zabel@gmail.com> wrote:
> Use gpio_request_array() / gpio_free_array() in backlight init and exit
> functions and global gpio initialization.
>
> Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>

Applied.

> ---
> ?arch/arm/mach-pxa/magician.c | ? 57 +++++++++++++++++-------------------------
> ?1 files changed, 23 insertions(+), 34 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
> index 9984ef7..1be25c7 100644
> --- a/arch/arm/mach-pxa/magician.c
> +++ b/arch/arm/mach-pxa/magician.c
> @@ -344,22 +344,14 @@ static struct pxafb_mach_info samsung_info = {
> ?* Backlight
> ?*/
>
> +static struct gpio magician_bl_gpios[] = {
> + ? ? ? { EGPIO_MAGICIAN_BL_POWER, ?GPIOF_DIR_OUT, "Backlight power" },
> + ? ? ? { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
> +};
> +
> ?static int magician_backlight_init(struct device *dev)
> ?{
> - ? ? ? int ret;
> -
> - ? ? ? ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
> - ? ? ? if (ret)
> - ? ? ? ? ? ? ? goto err;
> - ? ? ? ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
> - ? ? ? if (ret)
> - ? ? ? ? ? ? ? goto err2;
> - ? ? ? return 0;
> -
> -err2:
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER);
> -err:
> - ? ? ? return ret;
> + ? ? ? return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
> ?}
>
> ?static int magician_backlight_notify(struct device *dev, int brightness)
> @@ -376,8 +368,7 @@ static int magician_backlight_notify(struct device *dev, int brightness)
>
> ?static void magician_backlight_exit(struct device *dev)
> ?{
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER);
> - ? ? ? gpio_free(EGPIO_MAGICIAN_BL_POWER2);
> + ? ? ? gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
> ?}
>
> ?static struct platform_pwm_backlight_data backlight_data = {
> @@ -712,16 +703,25 @@ static struct platform_device *devices[] __initdata = {
> ? ? ? ?&leds_gpio,
> ?};
>
> +static struct gpio magician_global_gpios[] = {
> + ? ? ? { GPIO13_MAGICIAN_CPLD_IRQ, ? GPIOF_IN, "CPLD_IRQ" },
> + ? ? ? { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
> + ? ? ? { GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" },
> + ? ? ? { GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" },
> + ? ? ? { GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" },
> + ? ? ? { GPIO83_MAGICIAN_nIR_EN, GPIOF_OUT_INIT_HIGH, "nIR_EN" },
> +};
> +
> ?static void __init magician_init(void)
> ?{
> ? ? ? ?void __iomem *cpld;
> ? ? ? ?int lcd_select;
> ? ? ? ?int err;
>
> - ? ? ? gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");
> - ? ? ? gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");
> -
> ? ? ? ?pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
> + ? ? ? err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
> + ? ? ? if (err)
> + ? ? ? ? ? ? ? pr_err("magician: Failed to request GPIOs: %d\n", err);
>
> ? ? ? ?pxa_set_ffuart_info(NULL);
> ? ? ? ?pxa_set_btuart_info(NULL);
> @@ -729,11 +729,7 @@ static void __init magician_init(void)
>
> ? ? ? ?platform_add_devices(ARRAY_AND_SIZE(devices));
>
> - ? ? ? err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
> - ? ? ? if (!err) {
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);
> - ? ? ? ? ? ? ? pxa_set_ficp_info(&magician_ficp_info);
> - ? ? ? }
> + ? ? ? pxa_set_ficp_info(&magician_ficp_info);
> ? ? ? ?pxa27x_set_i2c_power_info(NULL);
> ? ? ? ?pxa_set_i2c_info(&i2c_info);
> ? ? ? ?pxa_set_mci_info(&magician_mci_info);
> @@ -747,16 +743,9 @@ static void __init magician_init(void)
> ? ? ? ? ? ? ? ?system_rev = board_id & 0x7;
> ? ? ? ? ? ? ? ?lcd_select = board_id & 0x8;
> ? ? ? ? ? ? ? ?pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
> - ? ? ? ? ? ? ? if (lcd_select && (system_rev < 3)) {
> - ? ? ? ? ? ? ? ? ? ? ? gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
> - ? ? ? ? ? ? ? ? ? ? ? gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
> - ? ? ? ? ? ? ? }
> - ? ? ? ? ? ? ? gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
> - ? ? ? ? ? ? ? gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
> - ? ? ? ? ? ? ? gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
> - ? ? ? ? ? ? ? gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
> + ? ? ? ? ? ? ? if (lcd_select && (system_rev < 3))
> + ? ? ? ? ? ? ? ? ? ? ? gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER");
> ? ? ? ? ? ? ? ?pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info);
> ? ? ? ?} else
> ? ? ? ? ? ? ? ?pr_err("LCD detection: CPLD mapping failed\n");
> --
> 1.7.4.4
>
>
>

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2011-07-05  7:57 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-04-20 19:55 [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Philipp Zabel
2011-04-27 18:50 ` [PATCH v2] pxa/magician: use gpio arrays for backlight and global gpio initialization Philipp Zabel
2011-04-28 20:21   ` [PATCH v3] " Philipp Zabel
2011-07-05  7:57     ` Eric Miao
2011-07-05  7:43 ` [PATCH] pxa/magician: use gpio arrays for backlight and lcd power init Eric Miao

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.