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path: root/drivers/mmc/card/block.c
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Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r--drivers/mmc/card/block.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 6986f392624..efacee0404a 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -29,6 +29,7 @@
#include <linux/blkdev.h>
#include <linux/mutex.h>
#include <linux/scatterlist.h>
+#include <linux/string_helpers.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -83,7 +84,7 @@ 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;
+ int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT;
__clear_bit(devidx, dev_use);
put_disk(md->disk);
@@ -532,6 +533,8 @@ static int mmc_blk_probe(struct mmc_card *card)
struct mmc_blk_data *md;
int err;
+ char cap_str[10];
+
/*
* Check that the card supports the command class(es) we need.
*/
@@ -546,10 +549,11 @@ static int mmc_blk_probe(struct mmc_card *card)
if (err)
goto out;
- printk(KERN_INFO "%s: %s %s %lluKiB %s\n",
+ string_get_size(get_capacity(md->disk) << 9, STRING_UNITS_2,
+ cap_str, sizeof(cap_str));
+ printk(KERN_INFO "%s: %s %s %s %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
- (unsigned long long)(get_capacity(md->disk) >> 1),
- md->read_only ? "(ro)" : "");
+ cap_str, md->read_only ? "(ro)" : "");
mmc_set_drvdata(card, md);
add_disk(md->disk);
@@ -615,14 +619,19 @@ static struct mmc_driver mmc_driver = {
static int __init mmc_blk_init(void)
{
- int res = -ENOMEM;
+ int res;
res = register_blkdev(MMC_BLOCK_MAJOR, "mmc");
if (res)
goto out;
- return mmc_register_driver(&mmc_driver);
+ res = mmc_register_driver(&mmc_driver);
+ if (res)
+ goto out2;
+ return 0;
+ out2:
+ unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
out:
return res;
}