diff options
Diffstat (limited to 'sys/dev/mmc/mmcreg.h')
-rw-r--r-- | sys/dev/mmc/mmcreg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/mmc/mmcreg.h b/sys/dev/mmc/mmcreg.h index 6bd45fc..3aac296 100644 --- a/sys/dev/mmc/mmcreg.h +++ b/sys/dev/mmc/mmcreg.h @@ -351,4 +351,12 @@ struct mmc_csd wp_grp_enable:1; }; +/* + * Older versions of the MMC standard had a variable sector size. However, + * I've been able to find no old MMC or SD cards that have a non 512 + * byte sector size anywhere, so we assume that such cards are very rare + * and only note their existance in passing here... + */ +#define MMC_SECTOR_SIZE 512 + #endif /* DEV_MMCREG_H */ |