[PATCH] arm64: zynqmp: Do not clear reset reason

[Michal Simek]

út 9. 2. 2021 v 8:52 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> There is no need to clear reset reason register because it is protected by
> PMUFW already which is reported when verbose log is enabled as:
> pm_core.c at 733 APU> No write permission to 0xFF5E0220
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  board/xilinx/zynqmp/zynqmp.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
> index a216eeb35f15..6babc0ebce3e 100644
> --- a/board/xilinx/zynqmp/zynqmp.c
> +++ b/board/xilinx/zynqmp/zynqmp.c
> @@ -496,11 +496,7 @@ static int reset_reason(void)
>
>         env_set("reset_reason", reason);
>
> -       ret = zynqmp_mmio_write((ulong)&crlapb_base->reset_reason, ~0, ~0);
> -       if (ret)
> -               return -EINVAL;
> -
> -       return ret;
> +       return 0;
>  }
>
>  static int set_fdtfile(void)
> --
> 2.30.0
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs