diff options
| -rw-r--r-- | drivers/mmc/core/mmc.c | 6 | ||||
| -rw-r--r-- | include/linux/mmc/card.h | 1 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 1b67e30..e01e70c 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -546,6 +546,12 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) if (card->ext_csd.man_bkops_en) pr_debug("%s: MAN_BKOPS_EN bit is set\n", mmc_hostname(card->host)); + card->ext_csd.auto_bkops_en = + (ext_csd[EXT_CSD_BKOPS_EN] & + EXT_CSD_AUTO_BKOPS_MASK); + if (card->ext_csd.auto_bkops_en) + pr_debug("%s: AUTO_BKOPS_EN bit is set\n", + mmc_hostname(card->host)); } /* check whether the eMMC card supports HPI */ diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 29d00c9..77e61e0 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -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 */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 7406d9b..3ffc27a 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -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 |
