On 23/06/20 4:33 pm, Akshu Agrawal wrote:
> HS400/HS200/eMMC HS doesn't have Preset Value register.
> Hence, sdhci_set_ios function overrides the value set by fmw to
> SDHCI_CTRL_DRV_TYPE_B.
> This patch sets drv_type to MMC_SET_DRIVER_TYPE_A
> so that host_control2 register gets updated with the required
> strength value.
> 
> Signed-off-by: Akshu Agrawal <[email protected]>

Acked-by: Adrian Hunter <[email protected]>

> ---
>  drivers/mmc/host/sdhci-acpi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
> index d8b76cb8698a..48ecbd0b180d 100644
> --- a/drivers/mmc/host/sdhci-acpi.c
> +++ b/drivers/mmc/host/sdhci-acpi.c
> @@ -542,6 +542,7 @@ static int amd_select_drive_strength(struct mmc_card 
> *card,
>                                    unsigned int max_dtr, int host_drv,
>                                    int card_drv, int *drv_type)
>  {
> +     *drv_type = MMC_SET_DRIVER_TYPE_A;
>       return MMC_SET_DRIVER_TYPE_A;
>  }
>  
> 

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