Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable

1 files changed, 31 insertions, 17 deletions

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index d9d4a72e0ec7..350f78e86245 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -119,6 +119,7 @@ struct mxcmci_host {
 	int			detect_irq;
 	int			dma;
 	int			do_dma;
+	int			default_irq_mask;
 	int			use_sdio;
 	unsigned int		power_mode;
 	struct imxmmc_platform_data *pdata;
@@ -228,7 +229,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 		unsigned int cmdat)
 {
-	u32 int_cntr;
+	u32 int_cntr = host->default_irq_mask;
 	unsigned long flags;
 
 	WARN_ON(host->cmd != NULL);
@@ -275,7 +276,7 @@ static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 static void mxcmci_finish_request(struct mxcmci_host *host,
 		struct mmc_request *req)
 {
-	u32 int_cntr = 0;
+	u32 int_cntr = host->default_irq_mask;
 	unsigned long flags;
 
 	spin_lock_irqsave(&host->lock, flags);
@@ -585,6 +586,9 @@ static irqreturn_t mxcmci_irq(int irq, void *devid)
 		  (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE)))
 		mxcmci_data_done(host, stat);
 #endif
+	if (host->default_irq_mask &&
+		  (stat & (STATUS_CARD_INSERTION | STATUS_CARD_REMOVAL)))
+		mmc_detect_change(host->mmc, msecs_to_jiffies(200));
 	return IRQ_HANDLED;
 }
 
@@ -809,6 +813,12 @@ static int mxcmci_probe(struct platform_device *pdev)
 	else
 		mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
+	if (host->pdata && host->pdata->dat3_card_detect)
+		host->default_irq_mask =
+			INT_CARD_INSERTION_EN | INT_CARD_REMOVAL_EN;
+	else
+		host->default_irq_mask = 0;
+
 	host->res = r;
 	host->irq = irq;
 
@@ -835,7 +845,7 @@ static int mxcmci_probe(struct platform_device *pdev)
 	/* recommended in data sheet */
 	writew(0x2db4, host->base + MMC_REG_READ_TO);
 
-	writel(0, host->base + MMC_REG_INT_CNTR);
+	writel(host->default_irq_mask, host->base + MMC_REG_INT_CNTR);
 
 #ifdef HAS_DMA
 	host->dma = imx_dma_request_by_prio(DRIVER_NAME, DMA_PRIO_LOW);
@@ -926,43 +936,47 @@ static int mxcmci_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int mxcmci_suspend(struct platform_device *dev, pm_message_t state)
+static int mxcmci_suspend(struct device *dev)
 {
-	struct mmc_host *mmc = platform_get_drvdata(dev);
+	struct mmc_host *mmc = dev_get_drvdata(dev);
+	struct mxcmci_host *host = mmc_priv(mmc);
 	int ret = 0;
 
 	if (mmc)
 		ret = mmc_suspend_host(mmc);
+	clk_disable(host->clk);
 
 	return ret;
 }
 
-static int mxcmci_resume(struct platform_device *dev)
+static int mxcmci_resume(struct device *dev)
 {
-	struct mmc_host *mmc = platform_get_drvdata(dev);
-	struct mxcmci_host *host;
+	struct mmc_host *mmc = dev_get_drvdata(dev);
+	struct mxcmci_host *host = mmc_priv(mmc);
 	int ret = 0;
 
-	if (mmc) {
-		host = mmc_priv(mmc);
+	clk_enable(host->clk);
+	if (mmc)
 		ret = mmc_resume_host(mmc);
-	}
 
 	return ret;
 }
-#else
-#define mxcmci_suspend  NULL
-#define mxcmci_resume   NULL
-#endif /* CONFIG_PM */
+
+static const struct dev_pm_ops mxcmci_pm_ops = {
+	.suspend	= mxcmci_suspend,
+	.resume		= mxcmci_resume,
+};
+#endif
 
 static struct platform_driver mxcmci_driver = {
 	.probe		= mxcmci_probe,
 	.remove		= mxcmci_remove,
-	.suspend	= mxcmci_suspend,
-	.resume		= mxcmci_resume,
 	.driver		= {
 		.name		= DRIVER_NAME,
 		.owner		= THIS_MODULE,
+#ifdef CONFIG_PM
+		.pm	= &mxcmci_pm_ops,
+#endif
 	}
 };