Re: [Qemu-devel] [PATCH v2 07/11] block: m25p80: Dummy cycles for N25Q256/512

["Cédric Le Goater" <clg@fr.ibm.com>]

On 02/04/2016 01:23 PM, marcin.krzeminski@nokia.com wrote:
> From: Marcin Krzeminski <marcin.krzeminski@nokia.com>
> 
> This patch handles dummy cycles.
> 
> Signed-off-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
> ---
>  hw/block/m25p80.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
> index a213587..df1f829 100644
> --- a/hw/block/m25p80.c
> +++ b/hw/block/m25p80.c
> @@ -531,6 +531,10 @@ static void decode_new_cmd(Flash *s, uint32_t value)
>      case DOR:
>      case QOR:
>          s->needed_bytes = get_cmd_length(s);
> +        if ( ((s->pi->jedec >> 16) & 0xFF) == JEDEC_NUMONYX ) {

There are a few other areas where we check the manufactory id. May be we 
could add :

	#define manuf_id(pinfo) ((pinfo)->jedec >> 16) & 0xFF


> +            /* Dummy cycles - modeled with bytes writes instead of bits */
> +            s->needed_bytes += extract32(s->volatile_cfg,4,4);

white space issues ^

> +        }
>          s->pos = 0;
>          s->len = 0;
>          s->state = STATE_COLLECTING_DATA;
> @@ -544,6 +548,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
>              break;
>          case JEDEC_NUMONYX:
>              s->needed_bytes = get_cmd_length(s);
> +            s->needed_bytes += extract32(s->volatile_cfg,4,4);
>              break;
>          default:
>              s->needed_bytes = 5;
> @@ -561,6 +566,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
>              break;
>          case JEDEC_NUMONYX:
>              s->needed_bytes = get_cmd_length(s);
> +            s->needed_bytes += extract32(s->volatile_cfg,4,4);
>              break;
>          default:
>              s->needed_bytes = 8;
>