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cpufreq/amd-pstate: Remove the switch case in amd_pstate_init()

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Replace the switch case with a more readable if condition.

Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20241017100528.300143-4-Dhananjay.Ugwekar@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
This commit is contained in:
Dhananjay Ugwekar
2024-10-17 10:05:31 +00:00
committed by Mario Limonciello
parent e3591eebec
commit 162cfa4eba
1 changed files with 5 additions and 11 deletions
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16
drivers/cpufreq/amd-pstate.c
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@@ -1843,21 +1843,15 @@ static int __init amd_pstate_init(void)
cppc_state = CONFIG_X86_AMD_PSTATE_DEFAULT_MODE;
}
switch (cppc_state) {
case AMD_PSTATE_DISABLE:
if (cppc_state == AMD_PSTATE_DISABLE) {
pr_info("driver load is disabled, boot with specific mode to enable this\n");
return -ENODEV;
case AMD_PSTATE_PASSIVE:
case AMD_PSTATE_ACTIVE:
case AMD_PSTATE_GUIDED:
ret = amd_pstate_set_driver(cppc_state);
if (ret)
return ret;
break;
default:
return -EINVAL;
}
ret = amd_pstate_set_driver(cppc_state);
if (ret)
return ret;
/* capability check */
if (cpu_feature_enabled(X86_FEATURE_CPPC)) {
pr_debug("AMD CPPC MSR based functionality is supported\n");