[PATCH] ARC: Don't check presense of Timer1 in SMP builds

Vineet Gupta Vineet.Gupta1 at synopsys.com
Tue Feb 13 11:53:23 PST 2018


On 02/13/2018 11:35 AM, Alexey Brodkin wrote:
> In case of SMP we use GFRC from ARconnect and Timer1 is left
> untouched. Still with that check in place we're panicing if Timer1
> is missing in current hardware which is quite unexpected.
>
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> ---
>   arch/arc/kernel/setup.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
> index cf97f7d88934..1142d76a7e8f 100644
> --- a/arch/arc/kernel/setup.c
> +++ b/arch/arc/kernel/setup.c
> @@ -391,8 +391,10 @@ static void arc_chk_core_config(void)
>   	if (!cpu->extn.timer0)
>   		panic("Timer0 is not present!\n");
>   
> +#ifndef CONFIG_SMP
>   	if (!cpu->extn.timer1)
>   		panic("Timer1 is not present!\n");
> +#endif

Curious, you have a config w/o TIMER1, so is this a fallout of recent discussions !

-Vineet



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