Commit b84733a1 authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by Hans de Goede
Browse files

tools/power/x86/intel-speed-select: Process mailbox read error for core-power 



Some older kernels don't support reading core-power status. In that case
mailbox command fails. So, display core-power status as "unknown" instead
of supported.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 2e70b710

tools/power/x86/intel-speed-select/isst-config.c

+4 −0
Original line number Diff line number Diff line
@@ -959,6 +959,10 @@ static void isst_print_extended_platform_info(void) 
		fprintf(outf, "Intel(R) SST-BF (feature base-freq) is not supported\n");



	ret = isst_read_pm_config(i, &cp_state, &cp_cap);

	if (ret) {

		fprintf(outf, "Intel(R) SST-CP (feature core-power) status is unknown\n");

		return;

	}

	if (cp_cap)

		fprintf(outf, "Intel(R) SST-CP (feature core-power) is supported\n");

	else