---

yaml --- r: 270257 b: refs/heads/master c: 1a5c8e1 h: refs/heads/master i: 270255: 4edc304 v: v3
git-mirror · Oct 26, 2011 · b33b651 · b33b651
1 parent a91cdaa
commit b33b651
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Showing 3 changed files with 34 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 190657c9f464b9f99a05a6ed8476c8bbccbc6a8b
+refs/heads/master: 1a5c8e1f4f09e67118f81885a22ceb7bbd2df4ee
diff --git a/trunk/drivers/mmc/host/dw_mmc.c b/trunk/drivers/mmc/host/dw_mmc.c
@@ -764,11 +764,29 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
 	return present;
 }
 
+static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb)
+{
+	struct dw_mci_slot *slot = mmc_priv(mmc);
+	struct dw_mci *host = slot->host;
+	u32 int_mask;
+
+	/* Enable/disable Slot Specific SDIO interrupt */
+	int_mask = mci_readl(host, INTMASK);
+	if (enb) {
+		mci_writel(host, INTMASK,
+			   (int_mask | (1 << SDMMC_INT_SDIO(slot->id))));
+	} else {
+		mci_writel(host, INTMASK,
+			   (int_mask & ~(1 << SDMMC_INT_SDIO(slot->id))));
+	}
+}
+
 static const struct mmc_host_ops dw_mci_ops = {
-	.request	= dw_mci_request,
-	.set_ios	= dw_mci_set_ios,
-	.get_ro		= dw_mci_get_ro,
-	.get_cd		= dw_mci_get_cd,
+	.request		= dw_mci_request,
+	.set_ios		= dw_mci_set_ios,
+	.get_ro			= dw_mci_get_ro,
+	.get_cd			= dw_mci_get_cd,
+	.enable_sdio_irq	= dw_mci_enable_sdio_irq,
 };
 
 static void dw_mci_request_end(struct dw_mci *host, struct mmc_request *mrq)
@@ -1406,6 +1424,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
 	struct dw_mci *host = dev_id;
 	u32 status, pending;
 	unsigned int pass_count = 0;
+	int i;
 
 	do {
 		status = mci_readl(host, RINTSTS);
@@ -1477,6 +1496,15 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
 			queue_work(dw_mci_card_workqueue, &host->card_work);
 		}
 
+		/* Handle SDIO Interrupts */
+		for (i = 0; i < host->num_slots; i++) {
+			struct dw_mci_slot *slot = host->slot[i];
+			if (pending & SDMMC_INT_SDIO(i)) {
+				mci_writel(host, RINTSTS, SDMMC_INT_SDIO(i));
+				mmc_signal_sdio_irq(slot->mmc);
+			}
+		}
+
 	} while (pass_count++ < 5);
 
 #ifdef CONFIG_MMC_DW_IDMAC

diff --git a/trunk/drivers/mmc/host/dw_mmc.h b/trunk/drivers/mmc/host/dw_mmc.h
@@ -82,7 +82,7 @@
 #define SDMMC_CTYPE_4BIT		BIT(0)
 #define SDMMC_CTYPE_1BIT		0
 /* Interrupt status & mask register defines */
-#define SDMMC_INT_SDIO			BIT(16)
+#define SDMMC_INT_SDIO(n)		BIT(16 + (n))
 #define SDMMC_INT_EBE			BIT(15)
 #define SDMMC_INT_ACD			BIT(14)
 #define SDMMC_INT_SBE			BIT(13)