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-rw-r--r--drivers/mmc/core/mmc.c16
-rw-r--r--include/linux/mmc/card.h1
-rw-r--r--include/linux/mmc/mmc.h1
3 files changed, 14 insertions, 4 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 2a4c9a4d3c00..7dde373d1439 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -458,6 +458,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
else
card->erased_byte = 0x0;
+ if (card->ext_csd.rev >= 6)
+ card->ext_csd.generic_cmd6_time = 10 *
+ ext_csd[EXT_CSD_GENERIC_CMD6_TIME];
+ else
+ card->ext_csd.generic_cmd6_time = 0;
+
out:
return err;
}
@@ -801,7 +807,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
*/
if (card->ext_csd.enhanced_area_en) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_ERASE_GROUP_DEF, 1, 0);
+ EXT_CSD_ERASE_GROUP_DEF, 1,
+ card->ext_csd.generic_cmd6_time);
if (err && err != -EBADMSG)
goto free_card;
@@ -844,7 +851,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
if ((card->ext_csd.hs_max_dtr != 0) &&
(host->caps & MMC_CAP_MMC_HIGHSPEED)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_HS_TIMING, 1, 0);
+ EXT_CSD_HS_TIMING, 1,
+ card->ext_csd.generic_cmd6_time);
if (err && err != -EBADMSG)
goto free_card;
@@ -924,7 +932,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
ext_csd_bits[idx][0],
- 0);
+ card->ext_csd.generic_cmd6_time);
if (!err) {
mmc_set_bus_width(card->host, bus_width);
@@ -955,7 +963,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
ext_csd_bits[idx][1],
- 0);
+ card->ext_csd.generic_cmd6_time);
}
if (err) {
printk(KERN_WARNING "%s: switch to bus width %d ddr %d "
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 92762865f7e0..2fcd24ccd38c 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -54,6 +54,7 @@ struct mmc_ext_csd {
u8 rst_n_function;
unsigned int part_time; /* Units: ms */
unsigned int sa_timeout; /* Units: 100ns */
+ unsigned int generic_cmd6_time; /* Units: 10ms */
unsigned int hs_max_dtr;
unsigned int sectors;
unsigned int card_type;
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index ea558eb44c79..cd63c2dc95cc 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -305,6 +305,7 @@ struct _mmc_csd {
#define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */
#define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */
#define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */
+#define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
/*
* EXT_CSD field definitions