On 09/12/2014 11:31 PM, Grégory Soutadé wrote:
> Replace ext_csd "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 | 14 +++++++++-----
> include/linux/mmc/card.h | 2 +-
> include/linux/mmc/mmc.h | 2 ++
> 3 files changed, 12 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 77b4cf3..d8d3aef 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -314,7 +314,6 @@ static void mmc_manage_enhanced_area(struct mmc_card *card, u8 *ext_csd)
> hc_wp_grp_sz =
> ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
>
> - card->ext_csd.enhanced_area_en = 1;
> /*
> * calculate the enhanced data area offset, in bytes
> */
> @@ -355,13 +354,11 @@ static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd)
> */
> if (ext_csd[EXT_CSD_PARTITION_SUPPORT] &
> EXT_CSD_PART_SUPPORT_PART_EN) {
> - if (card->ext_csd.enhanced_area_en != 1) {
> + if (card->ext_csd.partition_setting_completed) {
> hc_erase_grp_sz =
> ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
> hc_wp_grp_sz =
> ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
> -
> - card->ext_csd.enhanced_area_en = 1;
> }
>
> for (idx = 0; idx < MMC_NUM_GP_PARTITION; idx++) {
> @@ -488,6 +485,13 @@ 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;
> + }
I remembered that Ulf mentioned these brackets can be removed.
Best Regards,
Jaehoon Chung
> +
> mmc_manage_enhanced_area(card, ext_csd);
>
> mmc_manage_gp_partitions(card, ext_csd);
> @@ -1324,7 +1328,7 @@ 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)
>
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