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mmc: core: Block CMD23 support for UHS104/SDXC cards.

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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>
This commit is contained in:
Andrei Warkentin
2011-05-23 15:06:38 -05:00
committed by Chris Ball
parent e89d456fcd
commit f0d89972b0
4 changed files with 12 additions and 4 deletions
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3
include/linux/mmc/card.h
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@@ -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 {