Re: [PATCH for-5.2 2/6] pc-bios/s390-ccw: Move ipl-related code from main() into a separate function

[Claudio Imbrenda <imbrenda@linux.ibm.com>]

On Tue, 28 Jul 2020 20:37:30 +0200
Thomas Huth <thuth@redhat.com> wrote:

> Let's move this part of the code into a separate function to be able
> to use it from multiple spots later.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  pc-bios/s390-ccw/main.c | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
> 
> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
> index 146a50760b..9b64eb0c24 100644
> --- a/pc-bios/s390-ccw/main.c
> +++ b/pc-bios/s390-ccw/main.c
> @@ -223,14 +223,8 @@ static void virtio_setup(void)
>      }
>  }
>  
> -int main(void)
> +static void ipl_boot_device(void)
>  {
> -    sclp_setup();
> -    css_setup();
> -    boot_setup();
> -    find_boot_device();
> -    enable_subchannel(blk_schid);
> -
>      switch (cutype) {
>      case CU_TYPE_DASD_3990:
>      case CU_TYPE_DASD_2107:
> @@ -242,8 +236,18 @@ int main(void)
>          break;
>      default:
>          print_int("Attempting to boot from unexpected device type",
> cutype);
> -        panic("");
> +        panic("\nBoot failed.\n");
>      }
> +}
> +
> +int main(void)
> +{
> +    sclp_setup();
> +    css_setup();
> +    boot_setup();
> +    find_boot_device();
> +    enable_subchannel(blk_schid);
> +    ipl_boot_device();
>  
>      panic("Failed to load OS from hard disk\n");
>      return 0; /* make compiler happy */

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>