[patch] Corgi: Add MMC/SD write protection switch handling

[Richard Purdie <rpurdie@rpsys.net>]

Add MMC/SD write protection switch handling for the Corgi platform
(extending the MMC/SD patches in -mm).

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

Index: linux-2.6.12/arch/arm/mach-pxa/corgi.c
===================================================================
--- linux-2.6.12.orig/arch/arm/mach-pxa/corgi.c	2005-08-05 00:29:17.000000000 +0100
+++ linux-2.6.12/arch/arm/mach-pxa/corgi.c	2005-08-05 00:29:45.000000000 +0100
@@ -160,6 +160,11 @@
 	}
 }
 
+static int corgi_mci_get_ro(struct device *dev)
+{
+	return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
+}
+
 static void corgi_mci_exit(struct device *dev, void *data)
 {
 	free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
@@ -169,6 +174,7 @@
 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,
 };

-
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