[PATCH 1/2] ARM: cpuinfo: print CPU mainid if unknown

[Sascha Hauer]

On Fri, Jun 03, 2022 at 09:24:35AM +0200, Ahmad Fatoum wrote:
> Instead of e.g.
> 
>   core: unknown r0p3
> 
> We now get
> 
>   core: unknown (0x410fd083) r0p3
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  arch/arm/cpu/cpuinfo.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/cpu/cpuinfo.c b/arch/arm/cpu/cpuinfo.c
> index a08fc253efbb..5dce34536efc 100644
> --- a/arch/arm/cpu/cpuinfo.c
> +++ b/arch/arm/cpu/cpuinfo.c
> @@ -191,7 +191,7 @@ static int do_cpuinfo(int argc, char *argv[])
>  
>  	if (cpu_arch >= CPU_ARCH_ARMv7) {
>  		unsigned int major, minor;
> -		char *part;
> +		const char *part = NULL;
>  		major = (mainid >> 20) & 0xf;
>  		minor = mainid & 0xf;
>  		switch (mainid & 0xfff0) {
> @@ -217,9 +217,13 @@ static int do_cpuinfo(int argc, char *argv[])
>  			part = "Cortex-A57";
>  			break;
>  		default:
> -			part = "unknown";
> +			printf("core: unknown (0x%08lx) r%up%u\n",
> +			       mainid, major, minor);
> +			break;
>  		}
> -		printf("core: %s r%up%u\n", part, major, minor);
> +
> +		if (part)
> +			printf("core: %s r%up%u\n", part, major, minor);
>  	}
>  
>  	if (cache & (1 << 24)) {
> -- 
> 2.30.2
> 
> 
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