---

yaml --- r: 336311 b: refs/heads/master c: 6a66180 h: refs/heads/master i: 336309: 6a0d9b4 336307: df17fa2 336303: c1b4bd5 v: v3
git-mirror · Dec 6, 2012 · cdb0a75 · cdb0a75
1 parent 8d42523
commit cdb0a75
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Showing 3 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b0afd8f68adf6a9b671b0420ab9116a36409ef7f
+refs/heads/master: 6a66180a252f5856fc25de69c6313831f343f50f
diff --git a/trunk/drivers/mmc/host/sdhci.c b/trunk/drivers/mmc/host/sdhci.c
@@ -2867,6 +2867,10 @@ int sdhci_add_host(struct sdhci_host *host)
 					SDHCI_SUPPORT_DDR50);
 	}
 
+	if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V)
+		caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
+		       SDHCI_SUPPORT_DDR50);
+
 	/* Any UHS-I mode in caps implies SDR12 and SDR25 support. */
 	if (caps[1] & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
 		       SDHCI_SUPPORT_DDR50))

diff --git a/trunk/include/linux/mmc/sdhci.h b/trunk/include/linux/mmc/sdhci.h
@@ -92,6 +92,8 @@ struct sdhci_host {
 
 #define SDHCI_QUIRK2_HOST_OFF_CARD_ON			(1<<0)
 #define SDHCI_QUIRK2_HOST_NO_CMD23			(1<<1)
+/* The system physically doesn't support 1.8v, even if the host does */
+#define SDHCI_QUIRK2_NO_1_8_V				(1<<2)
 
 	int irq;		/* Device IRQ */
 	void __iomem *ioaddr;	/* Mapped address */