From c4d5f8d43a5423a6bbba4eec1fab9c46e8d53c5d Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Mon, 9 Jun 2008 13:23:50 +0100
Subject: [PATCH] [ARM] 5081/1: tosa: fix SD GPIOs
This changes SD-related GPIO names to be more informative,
and allocates two more SD-related GPIOs.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/mach-pxa/tosa.c | 32 +++++++++++++++++++++++++++++---
1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 8bf947dcb2e8..ba95cd66b988 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -87,7 +87,7 @@ static unsigned long tosa_pin_config[] = {
GPIO6_MMC_CLK,
GPIO8_MMC_CS0,
GPIO9_GPIO, /* Detect */
- // GPIO10 nSD_INT
+ GPIO10_GPIO, /* nSD_INT */
/* CF */
GPIO13_GPIO, /* CD_IRQ */
@@ -250,6 +250,15 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+ err = gpio_request(TOSA_GPIO_nSD_DETECT, "MMC/SD card detect");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request nSD_DETECT gpio\n");
+ goto err_gpio_detect;
+ }
+ err = gpio_direction_input(TOSA_GPIO_nSD_DETECT);
+ if (err)
+ goto err_gpio_detect_dir;
+
err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC/SD card detect", data);
@@ -258,7 +267,7 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
goto err_irq;
}
- err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
+ err = gpio_request(TOSA_GPIO_SD_WP, "SD Write Protect");
if (err) {
printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
goto err_gpio_wp;
@@ -267,7 +276,7 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
if (err)
goto err_gpio_wp_dir;
- err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
+ err = gpio_request(TOSA_GPIO_PWR_ON, "SD Power");
if (err) {
printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
goto err_gpio_pwr;
@@ -276,8 +285,20 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
if (err)
goto err_gpio_pwr_dir;
+ err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
+ goto err_gpio_int;
+ }
+ err = gpio_direction_input(TOSA_GPIO_nSD_INT);
+ if (err)
+ goto err_gpio_int_dir;
+
return 0;
+err_gpio_int_dir:
+ gpio_free(TOSA_GPIO_nSD_INT);
+err_gpio_int:
err_gpio_pwr_dir:
gpio_free(TOSA_GPIO_PWR_ON);
err_gpio_pwr:
@@ -286,6 +307,9 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
err_gpio_wp:
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
err_irq:
+err_gpio_detect_dir:
+ gpio_free(TOSA_GPIO_nSD_DETECT);
+err_gpio_detect:
return err;
}
@@ -307,9 +331,11 @@ static int tosa_mci_get_ro(struct device *dev)
static void tosa_mci_exit(struct device *dev, void *data)
{
+ gpio_free(TOSA_GPIO_nSD_INT);
gpio_free(TOSA_GPIO_PWR_ON);
gpio_free(TOSA_GPIO_SD_WP);
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
+ gpio_free(TOSA_GPIO_nSD_DETECT);
}
static struct pxamci_platform_data tosa_mci_platform_data = {
--
2.30.9