---

yaml --- r: 63041 b: refs/heads/master c: b835226 h: refs/heads/master i: 63039: c9230b1 v: v3
git-mirror · Jul 25, 2007 · af1dbb3 · af1dbb3
1 parent 576112e
commit af1dbb3
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Showing 3 changed files with 30 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 43b58b36b7e6554b8a96be6b9f63542c583c06e5
+refs/heads/master: b8352260d28b30cb2bb2df99814fb9c360e38901
diff --git a/trunk/drivers/mmc/host/sdhci.c b/trunk/drivers/mmc/host/sdhci.c
@@ -34,6 +34,7 @@ static unsigned int debug_quirks = 0;
 /* Controller doesn't like some resets when there is no card inserted. */
 #define SDHCI_QUIRK_NO_CARD_NO_RESET			(1<<2)
 #define SDHCI_QUIRK_SINGLE_POWER_WRITE			(1<<3)
+#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS		(1<<4)
 
 static const struct pci_device_id pci_ids[] __devinitdata = {
 	{
@@ -78,6 +79,24 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
 		.driver_data	= SDHCI_QUIRK_SINGLE_POWER_WRITE,
 	},
 
+	{
+		.vendor         = PCI_VENDOR_ID_ENE,
+		.device         = PCI_DEVICE_ID_ENE_CB714_SD,
+		.subvendor      = PCI_ANY_ID,
+		.subdevice      = PCI_ANY_ID,
+		.driver_data    = SDHCI_QUIRK_SINGLE_POWER_WRITE |
+				  SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS,
+	},
+
+	{
+		.vendor         = PCI_VENDOR_ID_ENE,
+		.device         = PCI_DEVICE_ID_ENE_CB714_SD_2,
+		.subvendor      = PCI_ANY_ID,
+		.subdevice      = PCI_ANY_ID,
+		.driver_data    = SDHCI_QUIRK_SINGLE_POWER_WRITE |
+				  SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS,
+	},
+
 	{	/* Generic SD host controller */
 		PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
 	},
@@ -759,6 +778,14 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
 	writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
 
+	/*
+	 * Some (ENE) controllers go apeshit on some ios operation,
+	 * signalling timeout and CRC errors even on CMD0. Resetting
+	 * it on each ios seems to solve the problem.
+	 */
+	if(host->chip->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS)
+		sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
+
 	mmiowb();
 	spin_unlock_irqrestore(&host->lock, flags);
 }

diff --git a/trunk/include/linux/pci_ids.h b/trunk/include/linux/pci_ids.h
@@ -1972,6 +1972,8 @@
 #define PCI_VENDOR_ID_ENE		0x1524
 #define PCI_DEVICE_ID_ENE_CB712_SD	0x0550
 #define PCI_DEVICE_ID_ENE_CB712_SD_2	0x0551
+#define PCI_DEVICE_ID_ENE_CB714_SD	0x0750
+#define PCI_DEVICE_ID_ENE_CB714_SD_2	0x0751
 #define PCI_DEVICE_ID_ENE_1211		0x1211
 #define PCI_DEVICE_ID_ENE_1225		0x1225
 #define PCI_DEVICE_ID_ENE_1410		0x1410