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drivers/mmcsd_sdio: config timout to write one data block 

Some hardware needs to config this delay to write one data block, because
the hardware needs more time to wear leveling and bad block manage.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2023-05-19 12:03:34 +08:00 committed by Xiang Xiao
parent 21d19f89af
commit 37fc0a0208
2 changed files with 11 additions and 1 deletions
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7
drivers/mmcsd/Kconfig
View File

@ -163,6 +163,13 @@ config SDIO_BLOCKSETUP
number of blocks. Others just work on the byte stream. This option
enables the block setup method in the SDIO vtable.
config MMCSD_BLOCK_WDATADELAY
int "The wait timeout to write one data block"
default 260
---help---
Some hardware needs to configure this delay to write one data block, because
the hardware needs more time for wear leveling and bad block management.
endif
endif # MMCSD

5
drivers/mmcsd/mmcsd_sdio.c
View File

@ -83,7 +83,10 @@
#define MMCSD_SCR_DATADELAY (100) /* Wait up to 100MS to get SCR */
#define MMCSD_BLOCK_RDATADELAY (100) /* Wait up to 100MS to get one data block */
#define MMCSD_BLOCK_WDATADELAY (260) /* Wait up to 260MS to write one data block */
/* Wait timeout to write one data block */
#define MMCSD_BLOCK_WDATADELAY CONFIG_MMCSD_BLOCK_WDATADELAY
#define IS_EMPTY(priv) (priv->type == MMCSD_CARDTYPE_UNKNOWN)