---

yaml --- r: 335523 b: refs/heads/master c: 63ef5d8 h: refs/heads/master i: 335521: 3576934 335519: d86c691 v: v3
git-mirror · Nov 7, 2012 · 290eec4 · 290eec4
1 parent 999661c
commit 290eec4
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Showing 6 changed files with 24 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 00956ea360c3825ac9fd337758e07e193f66d1d9
+refs/heads/master: 63ef5d8c28b2a944f104d854254941e7375c85a3
diff --git a/trunk/drivers/mmc/host/sdhci-of-esdhc.c b/trunk/drivers/mmc/host/sdhci-of-esdhc.c
@@ -169,6 +169,16 @@ static void esdhc_of_resume(struct sdhci_host *host)
 }
 #endif
 
+static void esdhc_of_platform_init(struct sdhci_host *host)
+{
+	u32 vvn;
+
+	vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS);
+	vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
+	if (vvn == VENDOR_V_22)
+		host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
+}
+
 static struct sdhci_ops sdhci_esdhc_ops = {
 	.read_l = esdhc_readl,
 	.read_w = esdhc_readw,
@@ -180,6 +190,7 @@ static struct sdhci_ops sdhci_esdhc_ops = {
 	.enable_dma = esdhc_of_enable_dma,
 	.get_max_clock = esdhc_of_get_max_clock,
 	.get_min_clock = esdhc_of_get_min_clock,
+	.platform_init = esdhc_of_platform_init,
 #ifdef CONFIG_PM
 	.platform_suspend = esdhc_of_suspend,
 	.platform_resume = esdhc_of_resume,

diff --git a/trunk/drivers/mmc/host/sdhci-pltfm.c b/trunk/drivers/mmc/host/sdhci-pltfm.c
@@ -150,6 +150,13 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
 		goto err_remap;
 	}
 
+	/*
+	 * Some platforms need to probe the controller to be able to
+	 * determine which caps should be used.
+	 */
+	if (host->ops && host->ops->platform_init)
+		host->ops->platform_init(host);
+
 	platform_set_drvdata(pdev, host);
 
 	return host;

diff --git a/trunk/drivers/mmc/host/sdhci.c b/trunk/drivers/mmc/host/sdhci.c
@@ -2837,6 +2837,9 @@ int sdhci_add_host(struct sdhci_host *host)
 	if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA))
 		mmc->caps |= MMC_CAP_4_BIT_DATA;
 
+	if (host->quirks2 & SDHCI_QUIRK2_HOST_NO_CMD23)
+		mmc->caps &= ~MMC_CAP_CMD23;
+
 	if (caps[0] & SDHCI_CAN_DO_HISPD)
 		mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
 

diff --git a/trunk/drivers/mmc/host/sdhci.h b/trunk/drivers/mmc/host/sdhci.h
@@ -278,6 +278,7 @@ struct sdhci_ops {
 	void	(*hw_reset)(struct sdhci_host *host);
 	void	(*platform_suspend)(struct sdhci_host *host);
 	void	(*platform_resume)(struct sdhci_host *host);
+	void	(*platform_init)(struct sdhci_host *host);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS

diff --git a/trunk/include/linux/mmc/sdhci.h b/trunk/include/linux/mmc/sdhci.h
@@ -91,6 +91,7 @@ struct sdhci_host {
 	unsigned int quirks2;	/* More deviations from spec. */
 
 #define SDHCI_QUIRK2_HOST_OFF_CARD_ON			(1<<0)
+#define SDHCI_QUIRK2_HOST_NO_CMD23			(1<<1)
 
 	int irq;		/* Device IRQ */
 	void __iomem *ioaddr;	/* Mapped address */