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authorJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
commitca994a36f585432458ead9133fcfe05440edbb7b (patch)
treebe05512153a9cd5cbe1f1234bc09fd9cd388ec58 /drivers/mmc/core/sdio_io.c
parent12325280dfeba18164f9c47e226a40ab34e23ee7 (diff)
parent2504a6423b9ab4c36df78227055995644de19edb (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts: net/mac80211/debugfs_sta.c net/mac80211/sta_info.h
Diffstat (limited to 'drivers/mmc/core/sdio_io.c')
-rw-r--r--drivers/mmc/core/sdio_io.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index b1f3168f791b..8f6f5ac131fc 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -196,6 +196,9 @@ static inline unsigned int sdio_max_byte_size(struct sdio_func *func)
else
mval = min(mval, func->max_blksize);
+ if (mmc_card_broken_byte_mode_512(func->card))
+ return min(mval, 511u);
+
return min(mval, 512u); /* maximum size for byte mode */
}
@@ -314,7 +317,7 @@ static int sdio_io_rw_ext_helper(struct sdio_func *func, int write,
func->card->host->max_seg_size / func->cur_blksize);
max_blocks = min(max_blocks, 511u);
- while (remainder > func->cur_blksize) {
+ while (remainder >= func->cur_blksize) {
unsigned blocks;
blocks = remainder / func->cur_blksize;
@@ -339,8 +342,9 @@ static int sdio_io_rw_ext_helper(struct sdio_func *func, int write,
while (remainder > 0) {
size = min(remainder, sdio_max_byte_size(func));
+ /* Indicate byte mode by setting "blocks" = 0 */
ret = mmc_io_rw_extended(func->card, write, func->num, addr,
- incr_addr, buf, 1, size);
+ incr_addr, buf, 0, size);
if (ret)
return ret;