On 8/17/21 6:20 PM, Ye Li wrote:
> HS400_ES is missed when down grade to HS mode during
> device_remove the mmc device
>
> Signed-off-by: Ye Li <ye...@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.ch...@samsung.com>
Best Regards,
Jaehoon Chung
> ---
> drivers/mmc/mmc.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index a1fd533..3cb6fda 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -2092,14 +2092,16 @@ static int mmc_select_mode_and_width(struct mmc *mmc,
> uint card_caps)
> }
>
> #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
> - CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
> + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) || \
> + CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT)
> /*
> * In case the eMMC is in HS200/HS400 mode, downgrade to HS mode
> * before doing anything else, since a transition from either of
> * the HS200/HS400 mode directly to legacy mode is not supported.
> */
> if (mmc->selected_mode == MMC_HS_200 ||
> - mmc->selected_mode == MMC_HS_400)
> + mmc->selected_mode == MMC_HS_400 ||
> + mmc->selected_mode == MMC_HS_400_ES)
> mmc_set_card_speed(mmc, MMC_HS, true);
> else
> #endif
> @@ -2952,7 +2954,7 @@ int mmc_deinit(struct mmc *mmc)
> return sd_select_mode_and_width(mmc, caps_filtered);
> } else {
> caps_filtered = mmc->card_caps &
> - ~(MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400));
> + ~(MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400) |
> MMC_CAP(MMC_HS_400_ES));
>
> return mmc_select_mode_and_width(mmc, caps_filtered);
> }
>
