[PATCH i-g-t] intel_reg: Stop warning if register spec is not there

[Zbigniew Kempczyński]

On Wed, Apr 10, 2024 at 04:17:10PM -0700, Lucas De Marchi wrote:
> Stop suffering when using igt from the git checkout, which is the case
> for all/most developers.
> 
> 	$ sudo ./build/tools/intel_reg write 0x2358 0xdeadbeef
> 	Warning: stat '/usr/local/share/igt-gpu-tools/registers' failed: No such file or directory. Using builtin register spec.
> 
> Pretty annoying when you have a bunch of commands to run and don't want
> to simply ignore stderr.  Keep the other warnings as if the file is
> there and can't be read for some reason, it's good to give a warning.
> However if the file simply isn't there, let it pass.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>  tools/intel_reg.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/tools/intel_reg.c b/tools/intel_reg.c
> index 6c37e14d1..ec311a05a 100644
> --- a/tools/intel_reg.c
> +++ b/tools/intel_reg.c
> @@ -1114,12 +1114,8 @@ static int read_reg_spec(struct config *config)
>  		path = IGT_DATADIR"/registers";
>  
>  	r = stat(path, &st);
> -	if (r) {
> -		fprintf(stderr, "Warning: stat '%s' failed: %s. "
> -			"Using builtin register spec.\n",
> -			path, strerror(errno));

Maybe this warning should stay when verbosity >= 0?

--
Zbigniew

> +	if (r)
>  		goto builtin;
> -	}
>  
>  	if (S_ISDIR(st.st_mode)) {
>  		r = get_reg_spec_file(buf, sizeof(buf), path, config->devid);
> -- 
> 2.43.0
>