diff options
| author | Seungwon Jeon <tgih.jun@samsung.com> | 2012-04-25 16:17:37 +0900 |
|---|---|---|
| committer | Riham Haidar <rhaidar@nvidia.com> | 2013-09-16 12:28:10 -0700 |
| commit | c9972a13e1c1877bcfc486a2c6e63613d61f6963 (patch) | |
| tree | 1fc16f2f5a8cc16110dc3db53a2263e6b182d8d0 /include/linux/mmc/card.h | |
| parent | 1583d3b4fbbdcf82efb61ba327d3a017fe7d3185 (diff) | |
mmc: core: fix the decision of HS200/DDR card-type
Current implementation decides the card type exclusively. Even though
eMMC device can support both HS200 and DDR mode, card type will be
set only for HS200. If the host doesn't support HS200 but has DDR
capability, then DDR mode can't be selected.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
(cherry picked from commit 96cf5f02aee8bbeff38824b18b9ec583d687f846)
Reviewed-on: http://git-master/r/227757
(cherry picked from commit 084aa8cc074b0e95883934f82f5521d0cc5e0941)
Change-Id: Id2b9095f8ffe59c520850acd40681a9ef15c3ff9
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Signed-off-by: Naveen Kumar Arepalli <naveenk@nvidia.com>
Change-Id: I3bb070fdb724b817de4475a77c3191b77e654243
Reviewed-on: http://git-master/r/274991
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Diffstat (limited to 'include/linux/mmc/card.h')
| -rw-r--r-- | include/linux/mmc/card.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index c7d90bd3f3bf..22d11242eb93 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -62,6 +62,10 @@ struct mmc_ext_csd { unsigned int generic_cmd6_time; /* Units: 10ms */ unsigned int power_off_longtime; /* Units: ms */ unsigned int hs_max_dtr; +#define MMC_HIGH_26_MAX_DTR 26000000 +#define MMC_HIGH_52_MAX_DTR 52000000 +#define MMC_HIGH_DDR_MAX_DTR 52000000 +#define MMC_HS200_MAX_DTR 200000000 unsigned int sectors; unsigned int card_type; unsigned int hc_erase_size; /* In sectors */ |