> From: Bin Meng [mailto:bmeng...@gmail.com]
> Sent: Wednesday, May 27, 2020 5:05 PM
> To: Rick Jian-Zhi Chen(陳建志); U-Boot Mailing List
> Cc: Atish Patra; Bin Meng
> Subject: [PATCH 2/2] riscv: sbi: Move sbi_probe_extension() out of
> CONFIG_SBI_V01
>
> From: Bin Meng <bin.m...@windriver.com>
>
> sbi_probe_extension() is an API defined in SBI v0.2, not v0.1.
>
> Fixes 7e249bc13aaf: ("riscv: Move all SMP related SBI calls to SBI_v01")
> Signed-off-by: Bin Meng <bin.m...@windriver.com>
> ---
Reviewed-by: Rick Chen <r...@andestech.com>
>
> arch/riscv/lib/sbi.c | 37 +++++++++++++++++++------------------
> 1 file changed, 19 insertions(+), 18 deletions(-)
>
> diff --git a/arch/riscv/lib/sbi.c b/arch/riscv/lib/sbi.c index
> f298846..8fbc238 100644
> --- a/arch/riscv/lib/sbi.c
> +++ b/arch/riscv/lib/sbi.c
> @@ -53,6 +53,25 @@ void sbi_set_timer(uint64_t stime_value) #endif }
>
> +/**
> + * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
> + * @extid: The extension ID to be probed.
> + *
> + * Return: Extension specific nonzero value f yes, -ENOTSUPP otherwise.
> + */
> +int sbi_probe_extension(int extid)
> +{
> + struct sbiret ret;
> +
> + ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, extid,
> + 0, 0, 0, 0, 0);
> + if (!ret.error)
> + if (ret.value)
> + return ret.value;
> +
> + return -ENOTSUPP;
> +}
> +
> #ifdef CONFIG_SBI_V01
>
> /**
> @@ -162,22 +181,4 @@ void sbi_remote_sfence_vma_asid(const unsigned long
> *hart_mask,
> (unsigned long)hart_mask, start, size, asid, 0, 0); }
>
> -/**
> - * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
> - * @extid: The extension ID to be probed.
> - *
> - * Return: Extension specific nonzero value f yes, -ENOTSUPP otherwise.
> - */
> -int sbi_probe_extension(int extid)
> -{
> - struct sbiret ret;
> -
> - ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, extid,
> - 0, 0, 0, 0, 0);
> - if (!ret.error)
> - if (ret.value)
> - return ret.value;
> -
> - return -ENOTSUPP;
> -}
> #endif /* CONFIG_SBI_V01 */
> --
> 2.7.4
>
