[PATCH] Add write protection switch handling to the PXA MMC driver

Add a write protection switch handling code to the PXA MMC driver so
that platform specific code can provide it if available.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-arm/arch-pxa/mmc.h b/include/asm-arm/arch-pxa/mmc.h
index 7492ea7..9718063 100644
--- a/include/asm-arm/arch-pxa/mmc.h
+++ b/include/asm-arm/arch-pxa/mmc.h
@@ -10,6 +10,7 @@
 struct pxamci_platform_data {
 	unsigned int ocr_mask;			/* available voltages */
 	int (*init)(struct device *, irqreturn_t (*)(int, void *, struct pt_regs *), void *);
+	int (*get_ro)(struct device *);
 	void (*setpower)(struct device *, unsigned int);
 	void (*exit)(struct device *, void *);
 };