From 7a648256b20c493c99757fe1d248daf7954647bc Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Mon, 6 Jul 2009 22:16:42 +0200 Subject: [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 Acked-by: Mike Rapoport Acked-by: Philipp Zabel Acked-by: Dmitry Eremin-Solenikov 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 --- arch/arm/mach-pxa/corgi.c | 75 ++++------------------------------------------- 1 file changed, 5 insertions(+), 70 deletions(-) (limited to 'arch/arm/mach-pxa/corgi.c') diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 5363e1aea3fb..39a94585f97b 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -307,77 +307,11 @@ static struct platform_device corgiled_device = { * The card detect interrupt isn't debounced so we delay it by 250ms * to give the card a chance to fully insert/eject. */ -static struct pxamci_platform_data corgi_mci_platform_data; - -static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data) -{ - int err; - - err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT"); - if (err) - goto err_out; - - err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP"); - if (err) - goto err_free_1; - - err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR"); - if (err) - goto err_free_2; - - gpio_direction_input(CORGI_GPIO_nSD_DETECT); - gpio_direction_input(CORGI_GPIO_nSD_WP); - gpio_direction_output(CORGI_GPIO_SD_PWR, 0); - - corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); - - err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, - IRQF_DISABLED | IRQF_TRIGGER_RISING | - IRQF_TRIGGER_FALLING, - "MMC card detect", data); - if (err) { - pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", - __func__); - goto err_free_3; - } - return 0; - -err_free_3: - gpio_free(CORGI_GPIO_SD_PWR); -err_free_2: - gpio_free(CORGI_GPIO_nSD_WP); -err_free_1: - gpio_free(CORGI_GPIO_nSD_DETECT); -err_out: - return err; -} - -static void corgi_mci_setpower(struct device *dev, unsigned int vdd) -{ - struct pxamci_platform_data* p_d = dev->platform_data; - - gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask)); -} - -static int corgi_mci_get_ro(struct device *dev) -{ - return gpio_get_value(CORGI_GPIO_nSD_WP); -} - -static void corgi_mci_exit(struct device *dev, void *data) -{ - free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); - gpio_free(CORGI_GPIO_SD_PWR); - gpio_free(CORGI_GPIO_nSD_WP); - gpio_free(CORGI_GPIO_nSD_DETECT); -} - static struct pxamci_platform_data corgi_mci_platform_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .init = corgi_mci_init, - .get_ro = corgi_mci_get_ro, - .setpower = corgi_mci_setpower, - .exit = corgi_mci_exit, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .gpio_card_detect = -1, + .gpio_card_ro = CORGI_GPIO_nSD_WP, + .gpio_power = CORGI_GPIO_SD_PWR, }; @@ -636,6 +570,7 @@ static void __init corgi_init(void) corgi_init_spi(); pxa_set_udc_info(&udc_info); + corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); pxa_set_mci_info(&corgi_mci_platform_data); pxa_set_ficp_info(&corgi_ficp_platform_data); pxa_set_i2c_info(NULL); -- cgit v1.2.3-59-g8ed1b