Commit c26971cb authored by Richard Purdie's avatar Richard Purdie Committed by Russell King
Browse files

[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: default avatarRichard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 01357dca

drivers/mmc/pxamci.c

+3 −1
Original line number Diff line number Diff line
@@ -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;

}

include/asm-arm/arch-pxa/mmc.h

+1 −0
Original line number Diff line number Diff line
@@ -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);