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| author | Richard Purdie <rpurdie@rpsys.net> | 2005-09-09 18:54:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-09-09 18:54:03 +0100 |
| commit | aa6c2e794f7e1f54dc52c84471c750327fa21ccd (patch) | |
| tree | 4926d8d06260bb68fadfca2d1adf23ef68e0d53c /arch | |
| parent | 9b9eb8c06177f07657ad35440b56cbf68e1d253b (diff) | |
| download | blackbird-op-linux-aa6c2e794f7e1f54dc52c84471c750327fa21ccd.tar.gz blackbird-op-linux-aa6c2e794f7e1f54dc52c84471c750327fa21ccd.zip | |
[ARM] 2893/1: [MMC] Update corgi to use the new mmc delayed detection function
Patch from Richard Purdie
We can remove this timer and its associated code from the corgi
platform code now mmc_detect_change() and the pxamci code support
an optional delay.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/corgi.c | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 29185acdd9e1..07b5dd453565 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -131,27 +131,12 @@ static struct platform_device corgits_device = { /* * MMC/SD Device * - * The card detect interrupt isn't debounced so we delay it by HZ/4 + * 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 mmc_detect { - struct timer_list detect_timer; - void *devid; -} mmc_detect; +static struct pxamci_platform_data corgi_mci_platform_data; -static void mmc_detect_callback(unsigned long data) -{ - mmc_detect_change(mmc_detect.devid); -} - -static irqreturn_t corgi_mmc_detect_int(int irq, void *devid, struct pt_regs *regs) -{ - mmc_detect.devid=devid; - mod_timer(&mmc_detect.detect_timer, jiffies + HZ/4); - return IRQ_HANDLED; -} - -static int corgi_mci_init(struct device *dev, irqreturn_t (*unused_detect_int)(int, void *, struct pt_regs *), void *data) +static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data) { int err; @@ -161,11 +146,9 @@ static int corgi_mci_init(struct device *dev, irqreturn_t (*unused_detect_int)(i pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN); pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT); - init_timer(&mmc_detect.detect_timer); - mmc_detect.detect_timer.function = mmc_detect_callback; - mmc_detect.detect_timer.data = (unsigned long) &mmc_detect; + corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); - err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_mmc_detect_int, SA_INTERRUPT, + err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT, "MMC card detect", data); if (err) { printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); @@ -198,7 +181,6 @@ static int corgi_mci_get_ro(struct device *dev) static void corgi_mci_exit(struct device *dev, void *data) { free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); - del_timer(&mmc_detect.detect_timer); } static struct pxamci_platform_data corgi_mci_platform_data = { |
