3 files changed, 16 insertions, 11 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index e38d5a3b2a8..aeb32a93f6a 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -44,6 +44,9 @@
  * max 8 partitions per card
  */
 #define MMC_SHIFT	3
+#define MMC_NUM_MINORS	(256 >> MMC_SHIFT)
+
+static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))];
 
 /*
  * There is one mmc_blk_data per slot.
@@ -80,6 +83,9 @@ static void mmc_blk_put(struct mmc_blk_data *md)
 	mutex_lock(&open_lock);
 	md->usage--;
 	if (md->usage == 0) {
+		int devidx = md->disk->first_minor >> MMC_SHIFT;
+		__clear_bit(devidx, dev_use);
+
 		put_disk(md->disk);
 		kfree(md);
 	}
@@ -321,7 +327,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
 					       req->rq_disk->disk_name, err);
 					goto cmd_err;
 				}
-			} while (!(cmd.resp[0] & R1_READY_FOR_DATA));
+				/*
+				 * Some cards mishandle the status bits,
+				 * so make sure to check both the busy
+				 * indication and the card state.
+				 */
+			} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
+				(R1_CURRENT_STATE(cmd.resp[0]) == 7));
 
 #if 0
 			if (cmd.resp[0] & ~0x00000900)
@@ -400,9 +412,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
 	return 0;
 }
 
-#define MMC_NUM_MINORS	(256 >> MMC_SHIFT)
-
-static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))];
 
 static inline int mmc_blk_readonly(struct mmc_card *card)
 {
@@ -568,17 +577,12 @@ static void mmc_blk_remove(struct mmc_card *card)
 	struct mmc_blk_data *md = mmc_get_drvdata(card);
 
 	if (md) {
-		int devidx;
-
 		/* Stop new requests from getting into the queue */
 		del_gendisk(md->disk);
 
 		/* Then flush out any already in there */
 		mmc_cleanup_queue(&md->queue);
 
-		devidx = md->disk->first_minor >> MMC_SHIFT;
-		__clear_bit(devidx, dev_use);
-
 		mmc_blk_put(md);
 	}
 	mmc_set_drvdata(card, NULL);
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 1b9c9b6da5b..30cd13b13ac 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -180,12 +180,13 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 		blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);
 		blk_queue_max_segment_size(mq->queue, host->max_seg_size);
 
-		mq->sg = kzalloc(sizeof(struct scatterlist) *
+		mq->sg = kmalloc(sizeof(struct scatterlist) *
 			host->max_phys_segs, GFP_KERNEL);
 		if (!mq->sg) {
 			ret = -ENOMEM;
 			goto cleanup_queue;
 		}
+		sg_init_table(mq->sg, host->max_phys_segs);
 	}
 
 	init_MUTEX(&mq->thread_sem);
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index d552de68311..eeea84c309e 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -386,7 +386,7 @@ static void sdio_uart_stop_rx(struct sdio_uart_port *port)
 	sdio_out(port, UART_IER, port->ier);
 }
 
-static void sdio_uart_receive_chars(struct sdio_uart_port *port, int *status)
+static void sdio_uart_receive_chars(struct sdio_uart_port *port, unsigned int *status)
 {
 	struct tty_struct *tty = port->tty;
 	unsigned int ch, flag;