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authorRobert Jarzmik <robert.jarzmik@free.fr>2009-07-06 22:16:42 +0200
committerEric Miao <eric.y.miao@gmail.com>2009-09-10 18:49:30 +0800
commit7a648256b20c493c99757fe1d248daf7954647bc (patch)
tree82aa6566accc96ea07a89121cb9779090a6dab40 /arch/arm/mach-pxa/palmt5.c
parentb405db6c015fe8e4c9d8199a0355bb16d95d7049 (diff)
downloadlinux-7a648256b20c493c99757fe1d248daf7954647bc.tar.gz
[ARM] pxa: factor pxamci gpio handling
Several boards use always the same pattern with pxamci :
request gpio, request irq for that gpio to detect MMC card
insertion, request gpio for read-only mode detection, etc
...

Now that pxamci provides platform_data to describe simple
gpio management of the MMC external controls, use it.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: rpurdie@rpsys.net
Cc: drwyrm@gmail.com
Cc: sakoman@gmail.com
Cc: marek.vasut@gmail.com
Cc: s.hauer@pengutronix.de
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/palmt5.c')
-rw-r--r--arch/arm/mach-pxa/palmt5.c80
1 files changed, 4 insertions, 76 deletions
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 33f726ff55e5..42d0528d3e9e 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -124,83 +124,11 @@ static unsigned long palmt5_pin_config[] __initdata = {
 /******************************************************************************
  * SD/MMC card controller
  ******************************************************************************/
-static int palmt5_mci_init(struct device *dev, irq_handler_t palmt5_detect_int,
-				void *data)
-{
-	int err = 0;
-
-	/* Setup an interrupt for detecting card insert/remove events */
-	err = gpio_request(GPIO_NR_PALMT5_SD_DETECT_N, "SD IRQ");
-	if (err)
-		goto err;
-	err = gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N);
-	if (err)
-		goto err2;
-	err = request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N),
-			palmt5_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
-			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
-			"SD/MMC card detect", data);
-	if (err) {
-		printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
-				__func__);
-		goto err2;
-	}
-
-	err = gpio_request(GPIO_NR_PALMT5_SD_POWER, "SD_POWER");
-	if (err)
-		goto err3;
-	err = gpio_direction_output(GPIO_NR_PALMT5_SD_POWER, 0);
-	if (err)
-		goto err4;
-
-	err = gpio_request(GPIO_NR_PALMT5_SD_READONLY, "SD_READONLY");
-	if (err)
-		goto err4;
-	err = gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY);
-	if (err)
-		goto err5;
-
-	printk(KERN_DEBUG "%s: irq registered\n", __func__);
-
-	return 0;
-
-err5:
-	gpio_free(GPIO_NR_PALMT5_SD_READONLY);
-err4:
-	gpio_free(GPIO_NR_PALMT5_SD_POWER);
-err3:
-	free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), data);
-err2:
-	gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
-err:
-	return err;
-}
-
-static void palmt5_mci_exit(struct device *dev, void *data)
-{
-	gpio_free(GPIO_NR_PALMT5_SD_READONLY);
-	gpio_free(GPIO_NR_PALMT5_SD_POWER);
-	free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N, data);
-	gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
-}
-
-static void palmt5_mci_power(struct device *dev, unsigned int vdd)
-{
-	struct pxamci_platform_data *p_d = dev->platform_data;
-	gpio_set_value(GPIO_NR_PALMT5_SD_POWER, p_d->ocr_mask & (1 << vdd));
-}
-
-static int palmt5_mci_get_ro(struct device *dev)
-{
-	return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY);
-}
-
 static struct pxamci_platform_data palmt5_mci_platform_data = {
-	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
-	.setpower	= palmt5_mci_power,
-	.get_ro		= palmt5_mci_get_ro,
-	.init 		= palmt5_mci_init,
-	.exit		= palmt5_mci_exit,
+	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.gpio_card_detect	= GPIO_NR_PALMT5_SD_DETECT_N,
+	.gpio_card_ro		= GPIO_NR_PALMT5_SD_READONLY,
+	.gpio_power		= GPIO_NR_PALMT5_SD_POWER,
 };
 
 /******************************************************************************