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[MMC] Add mmc_detect_change() delay support for PXAMCI driver 

Allow PXA platforms to pass an appropriate delay value to the
PXA MCI driver for delaying detection changes.

Signed-Off-By: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Richard Purdie 2005-09-08 22:48:16 +01:00 committed by Russell King
parent 01357dcac6
commit c26971cbb3
2 changed files with 4 additions and 1 deletions
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4
drivers/mmc/pxamci.c
View File

@ -423,7 +423,9 @@ static void pxamci_dma_irq(int dma, void *devid, struct pt_regs *regs)
static irqreturn_t pxamci_detect_irq(int irq, void *devid, struct pt_regs *regs)
{
mmc_detect_change(devid, 0);
struct pxamci_host *host = mmc_priv(devid);
mmc_detect_change(devid, host->pdata->detect_delay);
return IRQ_HANDLED;
}

1
include/asm-arm/arch-pxa/mmc.h
View File

@ -9,6 +9,7 @@ struct mmc_host;
struct pxamci_platform_data {
unsigned int ocr_mask; /* available voltages */
unsigned long detect_delay; /* delay in jiffies before detecting cards after interrupt */
int (*init)(struct device *, irqreturn_t (*)(int, void *, struct pt_regs *), void *);
int (*get_ro)(struct device *);
void (*setpower)(struct device *, unsigned int);