12 Aug
2014
12 Aug
'14
6:24 a.m.
Hi, Hannes.
On 08/08/2014 04:47 PM, Hannes Petermaier wrote:
if we set manually this bit on the eMMC card using mmc_switch(...), we also have to set it within our (before read) internal structure 'ext_csd'.
Otherwise following checks on this will fail.
Signed-off-by: Hannes Petermaier oe5hpm@oevsv.at
drivers/mmc/mmc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index a26f3ce..52a8e36 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1010,6 +1010,8 @@ static int mmc_startup(struct mmc *mmc)
if (err) return err;
elseext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1;
When is this value read? If i'm right, you means that it has to set before comparing with test_csd, right? It's reasonable, but i'm not sure that hard-coding is right.
Best Regards, Jaehoon Chung
/* Read out group size from ext_csd */ mmc->erase_grp_size =