From f8078d61d17831a5691686c275bb31906c0233aa Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 22 Sep 2009 16:45:15 -0700
Subject: [PATCH] --- yaml --- r: 164744 b: refs/heads/master c:
 8226a219254bbcd20492df185f191a11a7a81dcd h: refs/heads/master v: v3

---
 [refs]                            |  2 +-
 trunk/drivers/mmc/host/sdhci-of.c | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index c29cdc26e345..434037eea76c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 50dfe70fe9e216cf356830194630f9a39e498d76
+refs/heads/master: 8226a219254bbcd20492df185f191a11a7a81dcd
diff --git a/trunk/drivers/mmc/host/sdhci-of.c b/trunk/drivers/mmc/host/sdhci-of.c
index 56041dc74ce1..c8dab07e34b8 100644
--- a/trunk/drivers/mmc/host/sdhci-of.c
+++ b/trunk/drivers/mmc/host/sdhci-of.c
@@ -21,6 +21,7 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/mmc/host.h>
+#include <asm/machdep.h>
 #include "sdhci.h"
 
 struct sdhci_of_data {
@@ -175,7 +176,6 @@ static unsigned int esdhc_get_min_clock(struct sdhci_host *host)
 static struct sdhci_of_data sdhci_esdhc = {
 	.quirks = SDHCI_QUIRK_FORCE_BLK_SZ_2048 |
 		  SDHCI_QUIRK_BROKEN_CARD_DETECTION |
-		  SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
 		  SDHCI_QUIRK_NO_BUSY_IRQ |
 		  SDHCI_QUIRK_NONSTANDARD_CLOCK |
 		  SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
@@ -219,6 +219,15 @@ static int sdhci_of_resume(struct of_device *ofdev)
 
 #endif
 
+static bool __devinit sdhci_of_wp_inverted(struct device_node *np)
+{
+	if (of_get_property(np, "sdhci,wp-inverted", NULL))
+		return true;
+
+	/* Old device trees don't have the wp-inverted property. */
+	return machine_is(mpc837x_rdb) || machine_is(mpc837x_mds);
+}
+
 static int __devinit sdhci_of_probe(struct of_device *ofdev,
 				 const struct of_device_id *match)
 {
@@ -261,6 +270,9 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
 	if (of_get_property(np, "sdhci,1-bit-only", NULL))
 		host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
 
+	if (sdhci_of_wp_inverted(np))
+		host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
+
 	clk = of_get_property(np, "clock-frequency", &size);
 	if (clk && size == sizeof(*clk) && *clk)
 		of_host->clock = *clk;