Re: [RFC PATCH 09/15] sd: emmc: Add support for emmc erase

[Alistair Francis]

On Thu, Feb 11, 2021 at 12:19 AM Sai Pavan Boddu
<sai.pavan.boddu@xilinx.com> wrote:
>
> Add CMD35 and CMD36 which sets the erase start and end.
>
> Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> ---
>  hw/sd/sd.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index 236f2b8..7aab647 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1544,6 +1544,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
> SDRequest req)
>
>      /* Erase commands (Class 5) */
>      case 32:   /* CMD32:  ERASE_WR_BLK_START */
> +    case 35:

Can you comment the CMD here?

>          switch (sd->state) {
>          case sd_transfer_state:
>              sd->erase_start = req.arg;
> @@ -1555,6 +1556,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
> SDRequest req)
>          break;
>
>      case 33:   /* CMD33:  ERASE_WR_BLK_END */
> +    case 36:

and here?

Alistair

>          switch (sd->state) {
>          case sd_transfer_state:
>              sd->erase_end = req.arg;
> --
> 2.7.4
>
>