4 files changed, 29 insertions, 13 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 86dbb366415..6986f392624 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -103,8 +103,10 @@ static int mmc_blk_open(struct inode *inode, struct file *filp)
 			check_disk_change(inode->i_bdev);
 		ret = 0;
 
-		if ((filp->f_mode & FMODE_WRITE) && md->read_only)
+		if ((filp->f_mode & FMODE_WRITE) && md->read_only) {
+			mmc_blk_put(md);
 			ret = -EROFS;
+		}
 	}
 
 	return ret;
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 6915f40ac8a..1f8b5b36222 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -621,12 +621,21 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
 				if (cpu_is_at91sam9260 () || cpu_is_at91sam9263())
 					if (host->total_length < 12)
 						host->total_length = 12;
-				host->buffer = dma_alloc_coherent(NULL,
-						host->total_length,
-						&host->physical_address, GFP_KERNEL);
+
+				host->buffer = kmalloc(host->total_length, GFP_KERNEL);
+				if (!host->buffer) {
+					pr_debug("Can't alloc tx buffer\n");
+					cmd->error = -ENOMEM;
+					mmc_request_done(host->mmc, host->request);
+					return;
+				}
 
 				at91_mci_sg_to_dma(host, data);
 
+				host->physical_address = dma_map_single(NULL,
+						host->buffer, host->total_length,
+						DMA_TO_DEVICE);
+
 				pr_debug("Transmitting %d bytes\n", host->total_length);
 
 				at91_mci_write(host, ATMEL_PDC_TPR, host->physical_address);
@@ -694,7 +703,10 @@ static void at91_mci_completed_command(struct at91mci_host *host, unsigned int s
 	cmd->resp[3] = at91_mci_read(host, AT91_MCI_RSPR(3));
 
 	if (host->buffer) {
-		dma_free_coherent(NULL, host->total_length, host->buffer, host->physical_address);
+		dma_unmap_single(NULL,
+				host->physical_address, host->total_length,
+				DMA_TO_DEVICE);
+		kfree(host->buffer);
 		host->buffer = NULL;
 	}
 
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 7c994e1ae27..ae16d845d74 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -595,8 +595,9 @@ static irqreturn_t s3cmci_irq_cd(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-void s3cmci_dma_done_callback(struct s3c2410_dma_chan *dma_ch, void *buf_id,
-			      int size, enum s3c2410_dma_buffresult result)
+static void s3cmci_dma_done_callback(struct s3c2410_dma_chan *dma_ch,
+				     void *buf_id, int size,
+				     enum s3c2410_dma_buffresult result)
 {
 	struct s3cmci_host *host = buf_id;
 	unsigned long iflags;
@@ -740,8 +741,8 @@ request_done:
 	mmc_request_done(host->mmc, mrq);
 }
 
-
-void s3cmci_dma_setup(struct s3cmci_host *host, enum s3c2410_dmasrc source)
+static void s3cmci_dma_setup(struct s3cmci_host *host,
+			     enum s3c2410_dmasrc source)
 {
 	static enum s3c2410_dmasrc last_source = -1;
 	static int setup_ok;
@@ -1003,8 +1004,9 @@ static void s3cmci_send_request(struct mmc_host *mmc)
 	enable_irq(host->irq);
 }
 
-static int s3cmci_card_present(struct s3cmci_host *host)
+static int s3cmci_card_present(struct mmc_host *mmc)
 {
+	struct s3cmci_host *host = mmc_priv(mmc);
 	struct s3c24xx_mci_pdata *pdata = host->pdata;
 	int ret;
 
@@ -1023,7 +1025,7 @@ static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	host->cmd_is_stop = 0;
 	host->mrq = mrq;
 
-	if (s3cmci_card_present(host) == 0) {
+	if (s3cmci_card_present(mmc) == 0) {
 		dbg(host, dbg_err, "%s: no medium present\n", __func__);
 		host->mrq->cmd->error = -ENOMEDIUM;
 		mmc_request_done(mmc, mrq);
@@ -1138,6 +1140,7 @@ static struct mmc_host_ops s3cmci_ops = {
 	.request	= s3cmci_request,
 	.set_ios	= s3cmci_set_ios,
 	.get_ro		= s3cmci_get_ro,
+	.get_cd		= s3cmci_card_present,
 };
 
 static struct s3c24xx_mci_pdata s3cmci_def_pdata = {
@@ -1206,7 +1209,7 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
 	}
 
 	host->base = ioremap(host->mem->start, RESSIZE(host->mem));
-	if (host->base == 0) {
+	if (!host->base) {
 		dev_err(&pdev->dev, "failed to ioremap() io memory region.\n");
 		ret = -EINVAL;
 		goto probe_free_mem_region;
diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index f99e9f72162..1df44d966bd 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -29,7 +29,6 @@
 #include <linux/pci.h>
 #include <linux/ioport.h>
 #include <linux/scatterlist.h>
-#include <linux/version.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>