lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[MMC] Don't check READY_FOR_DATA when reading

Browse Source 
There's no point checking to see if the card is ready to accept
data when we're reading from it - sending the command only wastes
precious bus bandwidth.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2006-09-24 10:46:43 +01:00
committed by Russell King
parent 42431acbac
commit 2ed6d22cec
1 changed files with 19 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mmc/mmc_block.c
View File

@@ -231,6 +231,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
goto cmd_err; goto cmd_err;
} }
if (rq_data_dir(req) != READ) {
do { do {
int err; int err;
@@ -252,6 +253,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
if (mmc_decode_status(cmd.resp)) if (mmc_decode_status(cmd.resp))
goto cmd_err; goto cmd_err;
#endif #endif
}
/* /*
* A block was successfully transferred. * A block was successfully transferred.