diff options
| author | Mikael Larsson <mikael.xt.larsson@stericsson.com> | 2011-01-24 16:30:07 +0100 |
|---|---|---|
| committer | Michael BRANDT <michael.brandt@stericsson.com> | 2011-01-25 10:16:59 +0100 |
| commit | 39b443a5ee1f9bfaeafc95adae91afcdd66eaf4c (patch) | |
| tree | 6bbaf67eeb7f6dbc298c4601369bf8643ac552bd /drivers/mmc/mmc.c | |
| parent | b4f340af5537094fc72076b8e9de9b27e1c35b20 (diff) | |
Correct capacity calculation for high capacity mmc
This adds the correct calculation for high capacity mmc.
ST-Ericsson ID: N/A
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I4a6b152d02f22d4abba790177fcfb200ba853192
Signed-off-by: Mikael Larsson <mikael.xt.larsson@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/13312
Reviewed-by: QATOOLS
Reviewed-by: Sebastian RASMUSSEN <sebastian.rasmussen@stericsson.com>
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 31af3ad87..89f78ffa3 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -491,14 +491,12 @@ static int mmc_change_freq(struct mmc *mmc) if (err) return err; - /* - * TODO: - * If high capacity card is found (same as access mode is set to sector - * adress mode), SEC_COUNT in the ext register is where to find out the - * density. SEC_COUNT x 512 bytes = density. This might be a good spot - * where to find out the densisty, since the ext register is already - * read. - */ + if (mmc->high_capacity) + mmc->capacity = (u64)(ext_csd[EXT_CSD_SEC_CNT + 0] << 0 | + ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | + ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | + ext_csd[EXT_CSD_SEC_CNT + 3] << 24) * + mmc->read_bl_len; mmc->wr_rel_param = ext_csd[EXT_CSD_WR_REL_PARAM]; mmc->rel_wr_sec_c = ext_csd[EXT_CSD_REL_WR_SEC_C]; |