---

yaml --- r: 102204 b: refs/heads/master c: 50a8457 h: refs/heads/master v: v3
git-mirror · Jul 15, 2008 · 8588f43 · 8588f43
1 parent d0067e4
commit 8588f43
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Showing 3 changed files with 20 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2de5f79d4dfcb1be16f0b873bc77d6ec74b0426d
+refs/heads/master: 50a845700b3b55f825b0eb901b03d6091f66d9f4
diff --git a/trunk/drivers/mmc/host/s3cmci.c b/trunk/drivers/mmc/host/s3cmci.c
@@ -984,6 +984,18 @@ static void s3cmci_send_request(struct mmc_host *mmc)
 	enable_irq(host->irq);
 }
 
+static int s3cmci_card_present(struct s3cmci_host *host)
+{
+	struct s3c24xx_mci_pdata *pdata = host->pdata;
+	int ret;
+
+	if (pdata->gpio_detect == 0)
+		return -ENOSYS;
+
+	ret = s3c2410_gpio_getpin(pdata->gpio_detect) ? 0 : 1;
+	return ret ^ pdata->detect_invert;
+}
+
 static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 {
 	struct s3cmci_host *host = mmc_priv(mmc);
@@ -992,7 +1004,12 @@ static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	host->cmd_is_stop = 0;
 	host->mrq = mrq;
 
-	s3cmci_send_request(mmc);
+	if (s3cmci_card_present(host) == 0) {
+		dbg(host, dbg_err, "%s: no medium present\n", __func__);
+		host->mrq->cmd->error = -ENOMEDIUM;
+		mmc_request_done(mmc, mrq);
+	} else
+		s3cmci_send_request(mmc);
 }
 
 static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)

diff --git a/trunk/include/asm-arm/plat-s3c24xx/mci.h b/trunk/include/asm-arm/plat-s3c24xx/mci.h
@@ -3,6 +3,7 @@
 
 struct s3c24xx_mci_pdata {
 	unsigned int	wprotect_invert : 1;
+	unsigned int	detect_invert : 1;   /* set => detect active high. */
 
 	unsigned int	gpio_detect;
 	unsigned int	gpio_wprotect;