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mmc: use the generic timeout for cmd6 (SWITCH) provided in the ext_csd

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Starting with rev 4.5, the eMMC can define a generic timeout for the
SWITCH command.

Following Linux Kernel code, the timeout also changed from 1000 -> 500

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot
2019-07-02 10:53:54 +02:00
committed by Peng Fan
parent cd0b80ec9c
commit 39320c537d
2 changed files with 11 additions and 1 deletions
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2
include/mmc.h
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@@ -230,6 +230,7 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx)
#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
#define EXT_CSD_BOOT_MULT 226 /* RO */
#define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
#define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
/*
@@ -585,6 +586,7 @@ struct mmc {
u8 part_attr;
u8 wr_rel_set;
u8 part_config;
u8 gen_cmd6_time;
uint tran_speed;
uint legacy_speed; /* speed for the legacy mode provided by the card */
uint read_bl_len;