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authorAndrei Warkentin <andreiw@motorola.com>2011-05-23 15:06:38 -0500
committerChris Ball <cjb@laptop.org>2011-05-25 16:49:03 -0400
commitf0d89972b01798cf9d245dfa1cacfa0ee78a3593 (patch)
treea3e69fc95825971384798eac4281148db837f891 /include/linux/mmc
parente89d456fcdde2df008c032bf928e69e628e07a28 (diff)
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mmc: core: Block CMD23 support for UHS104/SDXC cards.
SD cards operating at UHS104 or better support SET_BLOCK_COUNT. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Reviewed-by: Arindam Nath <arindam.nath@amd.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/card.h3
-rw-r--r--include/linux/mmc/sd.h2
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 4a0e27b..c6927a4 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -72,6 +72,9 @@ struct sd_scr {
unsigned char bus_widths;
#define SD_SCR_BUS_WIDTH_1 (1<<0)
#define SD_SCR_BUS_WIDTH_4 (1<<2)
+ unsigned char cmds;
+#define SD_SCR_CMD20_SUPPORT (1<<0)
+#define SD_SCR_CMD23_SUPPORT (1<<1)
};
struct sd_ssr {
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index c648878..7d35d52 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -66,7 +66,7 @@
#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
-#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
+#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
/*
* SD bus widths