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| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-02-06 14:12:57 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-06-01 09:07:13 +0200 |
| commit | b097e07f57930eda774c83aa46e8e401686d01dc (patch) | |
| tree | 95d8979dd8fec7f787b30e1538f960e999e3c1ef /include/linux/mmc/card.h | |
| parent | 3853a042325e8f497c199020979c4fc824528c6e (diff) | |
| download | op-kernel-dev-b097e07f57930eda774c83aa46e8e401686d01dc.zip op-kernel-dev-b097e07f57930eda774c83aa46e8e401686d01dc.tar.gz | |
mmc: mmc: Read card's valid driver strength mask
In preparation for supporing drive strength selection
for eMMC, read the card's valid driver strengths.
Note that though the SD spec uses the term "drive strength",
the JEDEC eMMC spec uses the term "driver strength".
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc/card.h')
| -rw-r--r-- | include/linux/mmc/card.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 2f073d5..4d3776d 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -97,6 +97,7 @@ struct mmc_ext_csd { u8 raw_erased_mem_count; /* 181 */ u8 raw_ext_csd_structure; /* 194 */ u8 raw_card_type; /* 196 */ + u8 raw_driver_strength; /* 197 */ u8 out_of_int_time; /* 198 */ u8 raw_pwr_cl_52_195; /* 200 */ u8 raw_pwr_cl_26_195; /* 201 */ |
