Replace "enhanced_area_en" attribute by "partition_setting_completed". It was used whether or not enhanced user area is defined and without checks of EXT_CSD_PARTITION_SETTING_COMPLETED bit. Signed-off-by: Grégory Soutadé <gsoutade@xxxxxxxxxxx> --- drivers/mmc/core/mmc.c | 8 +++++++- include/linux/mmc/card.h | 2 +- include/linux/mmc/mmc.h | 2 ++ 3 files changed, 10 insertions(+), 2 deletions(-) >From commit 33caee39925b887a99a2400dc5c980097c3573f9 in master linux tree. diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 793c6f7..ef25d91 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -403,6 +403,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) ext_csd[EXT_CSD_TRIM_MULT]; card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT]; if (card->ext_csd.rev >= 4) { + if (ext_csd[EXT_CSD_PARTITION_SETTING_COMPLETED] & + EXT_CSD_PART_SETTING_COMPLETED) { + card->ext_csd.partition_setting_completed = 1; + } else { + card->ext_csd.partition_setting_completed = 0; + } /* * Enhanced area feature support -- check whether the eMMC * card has the Enhanced area enabled. If so, export enhanced @@ -1309,7 +1315,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * If enhanced_area_en is TRUE, host needs to enable ERASE_GRP_DEF * bit. This bit will be lost every time after a reset or power off. */ - if (card->ext_csd.enhanced_area_en || + if (card->ext_csd.partition_setting_completed || (card->ext_csd.rev >= 3 && (host->caps2 & MMC_CAP2_HC_ERASE_SZ))) { err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_ERASE_GROUP_DEF, 1, diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index d424b9d..38175be 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -74,7 +74,7 @@ struct mmc_ext_csd { unsigned int sec_trim_mult; /* Secure trim multiplier */ unsigned int sec_erase_mult; /* Secure erase multiplier */ unsigned int trim_timeout; /* In milliseconds */ - bool enhanced_area_en; /* enable bit */ + bool partition_setting_completed; /* enable bit */ unsigned long long enhanced_area_offset; /* Units: Byte */ unsigned int enhanced_area_size; /* Units: KB */ unsigned int cache_size; /* Units: KB */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 64ec963..78753bc 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -281,6 +281,7 @@ struct _mmc_csd { #define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */ #define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */ #define EXT_CSD_GP_SIZE_MULT 143 /* R/W */ +#define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */ #define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */ #define EXT_CSD_PARTITION_SUPPORT 160 /* RO */ #define EXT_CSD_HPI_MGMT 161 /* R/W */ @@ -349,6 +350,7 @@ struct _mmc_csd { #define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3) #define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4) +#define EXT_CSD_PART_SETTING_COMPLETED (0x1) #define EXT_CSD_PART_SUPPORT_PART_EN (0x1) #define EXT_CSD_CMD_SET_NORMAL (1<<0) -- 1.7.9.5
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