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 | 3 |
3 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 9a4b1a859cfa..5a1493c19ade 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -644,6 +644,9 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) mmc_hostname(card->host), card->ext_csd.barrier_support, card->ext_csd.cache_flush_policy); + card->ext_csd.enhanced_rpmb_supported = + (card->ext_csd.rel_param & + EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR); } else { card->ext_csd.cmdq_support = 0; card->ext_csd.cmdq_depth = 0; @@ -797,6 +800,8 @@ 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); static ssize_t mmc_fwrev_show(struct device *dev, @@ -832,6 +837,7 @@ 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, NULL, }; diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 895fc0ceaf6f..5c6c10be3fd1 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -56,6 +56,7 @@ 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 1cde2e5eb283..9cd5afaef626 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -298,7 +298,8 @@ struct _mmc_csd { * EXT_CSD field definitions */ -#define EXT_CSD_WR_REL_PARAM_EN (1<<2) +#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) |