Re: [PATCH] mainstone: Make providing flash images non-mandatory

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 2/17/20 10:08 PM, Guenter Roeck wrote:
> Up to now, the mainstone machine only boots if two flash images are
> provided. This is not really necessary; the machine can boot from initrd
> or from SD without it. At the same time, having to provide dummy flash
> images is a nuisance and does not add any real value. Make it optional.
> 
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
>   hw/arm/mainstone.c | 11 +----------
>   1 file changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/hw/arm/mainstone.c b/hw/arm/mainstone.c
> index b01ce3ce08..6e64dfab50 100644
> --- a/hw/arm/mainstone.c
> +++ b/hw/arm/mainstone.c
> @@ -138,19 +138,10 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
>       /* There are two 32MiB flash devices on the board */
>       for (i = 0; i < 2; i ++) {
>           dinfo = drive_get(IF_PFLASH, 0, i);
> -        if (!dinfo) {
> -            if (qtest_enabled()) {
> -                break;
> -            }
> -            error_report("Two flash images must be given with the "
> -                         "'pflash' parameter");
> -            exit(1);
> -        }
> -
>           if (!pflash_cfi01_register(mainstone_flash_base[i],
>                                      i ? "mainstone.flash1" : "mainstone.flash0",
>                                      MAINSTONE_FLASH,
> -                                   blk_by_legacy_dinfo(dinfo),
> +                                   dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
>                                      sector_len, 4, 0, 0, 0, 0, be)) {
>               error_report("Error registering flash memory");
>               exit(1);
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>