[PATCH 1/1] riscv: fix building with CONFIG_SPL_SMP=n

[Rick Chen]

> From: Heinrich Schuchardt [mailto:xypron.glpk at gmx.de]
> Sent: Tuesday, August 04, 2020 5:26 AM
> To: Rick Jian-Zhi Chen(陳建志)
> Cc: Simon Glass; Anup Patel; Lukas Auer; Bin Meng; Daniel Schwierzeck; u-boot at lists.denx.de; Heinrich Schuchardt
> Subject: [PATCH 1/1] riscv: fix building with CONFIG_SPL_SMP=n
>
> Building with CONFIG_SPL_SMP=n results in:
>
> arch/riscv/lib/spl.c: In function ‘jump_to_image_no_args’:
> arch/riscv/lib/spl.c:33:6:
> error: unused variable ‘ret’ [-Werror=unused-variable]
>    33 |  int ret;
>       |      ^~~
>
> Define the variable ret as __maybe_unused.
>
> Fixes: 191636e44898 ("riscv: Introduce SPL_SMP Kconfig option for U-Boot
> SPL")
> Fixes: 8c59f2023cc8 ("riscv: add SPL support")
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  arch/riscv/lib/spl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Rick Chen <rick at andestech.com>

> diff --git a/arch/riscv/lib/spl.c b/arch/riscv/lib/spl.c index c47dcd46ce..ef00ec2bcc 100644
> --- a/arch/riscv/lib/spl.c
> +++ b/arch/riscv/lib/spl.c
> @@ -30,7 +30,7 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)  {
>         typedef void __noreturn (*image_entry_riscv_t)(ulong hart, void *dtb);
>         void *fdt_blob;
> -       int ret;
> +       __maybe_unused int ret;
>
>  #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
>         fdt_blob = spl_image->fdt_addr;
> --
> 2.27.0