2 files changed, 18 insertions, 6 deletions

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b586a83a9b4c..eb41391e06e9 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -679,7 +679,15 @@ static void mmc_idle_cards(struct mmc_host *host)
 }
 
 /*
- * Apply power to the MMC stack.
+ * Apply power to the MMC stack.  This is a two-stage process.
+ * First, we enable power to the card without the clock running.
+ * We then wait a bit for the power to stabilise.  Finally,
+ * enable the bus drivers and clock to the card.
+ *
+ * We must _NOT_ enable the clock prior to power stablising.
+ *
+ * If a host does all the power sequencing itself, ignore the
+ * initial MMC_POWER_UP stage.
  */
 static void mmc_power_up(struct mmc_host *host)
 {
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index d91fcf7c3178..abcf19116d70 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -359,7 +359,12 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
                 md->block_bits = card->csd.read_blkbits;
 
                 blk_queue_hardsect_size(md->queue.queue, 1 << md->block_bits);
-                set_capacity(md->disk, card->csd.capacity);
+
+                /*
+                 * The CSD capacity field is in units of read_blkbits.
+                 * set_capacity takes units of 512 bytes.
+                 */
+                set_capacity(md->disk, card->csd.capacity << (card->csd.read_blkbits - 9));
         }
  out:
         return md;
@@ -373,7 +378,7 @@ mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card)
 
         mmc_card_claim_host(card);
         cmd.opcode = MMC_SET_BLOCKLEN;
-        cmd.arg = 1 << card->csd.read_blkbits;
+        cmd.arg = 1 << md->block_bits;
         cmd.flags = MMC_RSP_R1;
         err = mmc_wait_for_cmd(card->host, &cmd, 5);
         mmc_card_release_host(card);
@@ -412,10 +417,9 @@ static int mmc_blk_probe(struct mmc_card *card)
         if (err)
                 goto out;
 
-        printk(KERN_INFO "%s: %s %s %dKiB %s\n",
+        printk(KERN_INFO "%s: %s %s %luKiB %s\n",
                 md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
-                (card->csd.capacity << card->csd.read_blkbits) / 1024,
-                mmc_blk_readonly(card)?"(ro)":"");
+                get_capacity(md->disk) >> 1, mmc_blk_readonly(card)?"(ro)":"");
 
         mmc_set_drvdata(card, md);
         add_disk(md->disk);