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mmc: Adding AUTO_BKOPS_EN bit set for Auto BKOPS support

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Adding dedicated flag for AUTO_BKOPS in card->ext_csd structure.
Read AUTO_BKOPS bit value from the device EXT_CSD and set to the
card->ext_csd structure.
In mmc_decode_ext_csd() add a print message in case the AUTO_BKOPS
is enabled

Signed-off-by: Uri Yanai <uri.yanai@sandisk.com>
Signed-off-by: Alex Lemberg <alex.lemberg@sandisk.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Uri Yanai 2017-02-07 18:00:01 +02:00 • committed by Ulf Hansson
parent 6962c2fb20
commit efff8e7879
3 changed files with 8 additions and 0 deletions
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1
include/linux/mmc/card.h
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@ -83,6 +83,7 @@ struct mmc_ext_csd {
unsigned int hpi_cmd; /* cmd used as HPI */
bool bkops; /* background support bit */
bool man_bkops_en; /* manual bkops enable bit */
bool auto_bkops_en; /* auto bkops enable bit */
unsigned int data_sector_size; /* 512 bytes or 4KB */
unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
unsigned int boot_ro_lock; /* ro lock support */

1
include/linux/mmc/mmc.h
View file

@ -407,6 +407,7 @@ static inline bool mmc_op_multi(u32 opcode)
* BKOPS modes
*/
#define EXT_CSD_MANUAL_BKOPS_MASK 0x01
#define EXT_CSD_AUTO_BKOPS_MASK 0x02
/*
* Command Queue