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mmc: core: Indicate SD specs higher than 4.0

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SD specs version 4.x and 5.x have a dedicated slices in the SCR register.
Higher versions will rely on a combination of the existing fields.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Avri Altman
2019-02-06 13:28:06 +02:00
committed by Ulf Hansson
parent 01904ff776
commit 68539e2bc3
2 changed files with 7 additions and 0 deletions
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include/linux/mmc/card.h
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@@ -133,6 +133,8 @@ struct mmc_ext_csd {
struct sd_scr {
unsigned char sda_vsn;
unsigned char sda_spec3;
unsigned char sda_spec4;
unsigned char sda_specx;
unsigned char bus_widths;
#define SD_SCR_BUS_WIDTH_1 (1<<0)
#define SD_SCR_BUS_WIDTH_4 (1<<2)