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 de94fbe629bd..4203303f946a 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -647,6 +647,9 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) mmc_hostname(card->host), card->ext_csd.cmdq_depth); } + card->ext_csd.enhanced_rpmb_supported = + (card->ext_csd.rel_param & + EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR); } out: return err; @@ -786,6 +789,8 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n", card->ext_csd.enhanced_area_offset); MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size); MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult); +MMC_DEV_ATTR(enhanced_rpmb_supported, "%#x\n", + card->ext_csd.enhanced_rpmb_supported); MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors); MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); MMC_DEV_ATTR(rca, "0x%04x\n", card->rca); @@ -843,6 +848,7 @@ static struct attribute *mmc_std_attrs[] = { &dev_attr_enhanced_area_offset.attr, &dev_attr_enhanced_area_size.attr, &dev_attr_raw_rpmb_size_mult.attr, + &dev_attr_enhanced_rpmb_supported.attr, &dev_attr_rel_sectors.attr, &dev_attr_ocr.attr, &dev_attr_rca.attr, diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index cf3780a6ccc4..7d46411ffaa2 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -48,6 +48,7 @@ struct mmc_ext_csd { u8 sec_feature_support; u8 rel_sectors; u8 rel_param; + bool enhanced_rpmb_supported; u8 part_config; u8 cache_ctrl; u8 rst_n_function; diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 4b85ef05a906..d9a65c6a8816 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -325,6 +325,7 @@ static inline bool mmc_ready_for_data(u32 status) */ #define EXT_CSD_WR_REL_PARAM_EN (1<<2) +#define EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR (1<<4) #define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40) #define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10) |