From 43f55a6c9a9847d48558bceac3d7daf574019ec8 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@nokia.com>
Date: Tue, 22 Sep 2009 16:44:45 -0700
Subject: [PATCH] --- yaml --- r: 164719 b: refs/heads/master c:
 a6b2240da2b090874095832afc7eb9ed2968b27f h: refs/heads/master i:   164717:
 af089aad02dc3f1b669b5820f7a3bce99677d34f   164715:
 515d3e79fe79218502fd0cf36a29d5cb928dcc7c   164711:
 7f8dd3636f83ea6bdcb46827143be743ada9d240   164703:
 4b8d660d1a5f5bcfb5579b1b0f360ce112955c7e v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/mmc/host/omap_hsmmc.c | 50 ++++++++++++++++++++---------
 2 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/[refs] b/[refs]
index ce75ca385b89..89095d51b006 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: abb28e731a751f0b6c293a67b3e564eb0e336d53
+refs/heads/master: a6b2240da2b090874095832afc7eb9ed2968b27f
diff --git a/trunk/drivers/mmc/host/omap_hsmmc.c b/trunk/drivers/mmc/host/omap_hsmmc.c
index 59f001090332..9599dd126ac8 100644
--- a/trunk/drivers/mmc/host/omap_hsmmc.c
+++ b/trunk/drivers/mmc/host/omap_hsmmc.c
@@ -151,7 +151,6 @@ struct mmc_omap_host {
 	u32			bytesleft;
 	int			suspended;
 	int			irq;
-	int			carddetect;
 	int			use_dma, dma_ch;
 	int			dma_line_tx, dma_line_rx;
 	int			slot_id;
@@ -761,14 +760,19 @@ static void mmc_omap_detect(struct work_struct *work)
 	struct mmc_omap_host *host = container_of(work, struct mmc_omap_host,
 						mmc_carddetect_work);
 	struct omap_mmc_slot_data *slot = &mmc_slot(host);
+	int carddetect;
+
+	if (host->suspended)
+		return;
+
+	sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
 
 	if (mmc_slot(host).card_detect)
-		host->carddetect = slot->card_detect(slot->card_detect_irq);
+		carddetect = slot->card_detect(slot->card_detect_irq);
 	else
-		host->carddetect = -ENOSYS;
+		carddetect = -ENOSYS;
 
-	sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
-	if (host->carddetect) {
+	if (carddetect) {
 		mmc_detect_change(host->mmc, (HZ * 200) / 1000);
 	} else {
 		mmc_host_enable(host->mmc);
@@ -785,6 +789,8 @@ static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id)
 {
 	struct mmc_omap_host *host = (struct mmc_omap_host *)dev_id;
 
+	if (host->suspended)
+		return IRQ_HANDLED;
 	schedule_work(&host->mmc_carddetect_work);
 
 	return IRQ_HANDLED;
@@ -1524,30 +1530,42 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
 		return 0;
 
 	if (host) {
+		host->suspended = 1;
+		if (host->pdata->suspend) {
+			ret = host->pdata->suspend(&pdev->dev,
+							host->slot_id);
+			if (ret) {
+				dev_dbg(mmc_dev(host->mmc),
+					"Unable to handle MMC board"
+					" level suspend\n");
+				host->suspended = 0;
+				return ret;
+			}
+		}
+		cancel_work_sync(&host->mmc_carddetect_work);
 		mmc_host_enable(host->mmc);
 		ret = mmc_suspend_host(host->mmc, state);
 		if (ret == 0) {
-			host->suspended = 1;
-
 			OMAP_HSMMC_WRITE(host->base, ISE, 0);
 			OMAP_HSMMC_WRITE(host->base, IE, 0);
 
-			if (host->pdata->suspend) {
-				ret = host->pdata->suspend(&pdev->dev,
-								host->slot_id);
-				if (ret)
-					dev_dbg(mmc_dev(host->mmc),
-						"Unable to handle MMC board"
-						" level suspend\n");
-			}
 
 			OMAP_HSMMC_WRITE(host->base, HCTL,
 					 OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
 			mmc_host_disable(host->mmc);
 			clk_disable(host->iclk);
 			clk_disable(host->dbclk);
-		} else
+		} else {
+			host->suspended = 0;
+			if (host->pdata->resume) {
+				ret = host->pdata->resume(&pdev->dev,
+							  host->slot_id);
+				if (ret)
+					dev_dbg(mmc_dev(host->mmc),
+						"Unmask interrupt failed\n");
+			}
 			mmc_host_disable(host->mmc);
+		}
 
 	}
 	return ret;