diff options
| author | San Mehat <san@android.com> | 2008-12-03 10:22:59 -0800 |
|---|---|---|
| committer | Arve Hjønnevåg <arve@android.com> | 2009-04-07 16:43:24 -0700 |
| commit | 5ca694dfd981a371e9b18cdd4a89c002ffaccbc5 (patch) | |
| tree | 550f17a494674515abd46ecc68e7932045b310bb /drivers/mmc/card/queue.h | |
| parent | bd8df907ee8e95143d1bb7ec01ee0e4b6f7e1b79 (diff) | |
mmc: mmcblk: Add new feature 'CONFIG_MMC_BLOCK_PARANOID_RESUME'
With this feature enabled, mmcblk will check the card-status before issuing
a transaction *only* after being resumed. This protectes us from issuing
transactions before the sdcard is ready (which can occur if the host driver
deferrs mmc_resume_host() to reduce resume latency)
Signed-off-by: San Mehat <san@android.com>
Diffstat (limited to 'drivers/mmc/card/queue.h')
| -rw-r--r-- | drivers/mmc/card/queue.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index 64e66e0d4994..4b11cf2adfa1 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -17,6 +17,9 @@ struct mmc_queue { char *bounce_buf; struct scatterlist *bounce_sg; unsigned int bounce_sg_len; +#ifdef CONFIG_MMC_BLOCK_PARANOID_RESUME + int check_status; +#endif }; extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *); |