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authorAdrian Hunter <adrian.hunter@intel.com>2015-02-06 14:12:57 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2015-06-01 09:07:13 +0200
commitb097e07f57930eda774c83aa46e8e401686d01dc (patch)
tree95d8979dd8fec7f787b30e1538f960e999e3c1ef /include/linux/mmc/card.h
parent3853a042325e8f497c199020979c4fc824528c6e (diff)
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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 2f073d555793..4d3776d25925 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 */