Commit a9ba0fd4 authored by Mario Limonciello's avatar Mario Limonciello
Browse files

cpufreq/amd-pstate: Show a warning when a CPU fails to setup 



I came across a system that MSR_AMD_CPPC_CAP1 for some CPUs isn't
populated.  This is an unexpected behavior that is most likely a
BIOS bug. In the event it happens I'd like users to report bugs
to properly root cause and get this fixed.

Reviewed-by: default avatarGautham R. Shenoy <gautham.shenoy@amd.com>
Reviewed-by: default avatarDhananjay Ugwekar <dhananjay.ugwekar@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
parent b7a41156

drivers/cpufreq/amd-pstate.c

+2 −0
Original line number Diff line number Diff line
@@ -1028,6 +1028,7 @@ static int amd_pstate_cpu_init(struct cpufreq_policy *policy) 
free_cpudata2:

	freq_qos_remove_request(&cpudata->req[0]);

free_cpudata1:

	pr_warn("Failed to initialize CPU %d: %d\n", policy->cpu, ret);

	kfree(cpudata);

	return ret;

}
@@ -1521,6 +1522,7 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy) 
	return 0;



free_cpudata1:

	pr_warn("Failed to initialize CPU %d: %d\n", policy->cpu, ret);

	kfree(cpudata);

	return ret;

}