cpupower: Recognise amd-pstate active mode driver

amd-pstate active mode driver name is "amd-pstate-epp". Use common
prefix for string matching condition to recognise amd-pstate active mode
driver.

Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Perry Yuan <Perry.Yuan@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c
index 9547b29..0c56fc7 100644 (file)
--- a/tools/power/cpupower/utils/helpers/misc.c
+++ b/tools/power/cpupower/utils/helpers/misc.c
@@ -95,7 +95,7 @@ bool cpupower_amd_pstate_enabled(void)
        if (!driver)
                return ret;
 
-       if (!strcmp(driver, "amd-pstate"))
+       if (!strncmp(driver, "amd", 3))
                ret = true;
 
        cpufreq_put_driver(driver);