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From:   "Yuan, Perry" <Perry.Yuan@amd.com>
To:     "Karny, Wyes" <Wyes.Karny@amd.com>,
        "trenn@suse.com" <trenn@suse.com>,
        "shuah@kernel.org" <shuah@kernel.org>
CC:     "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "rafael@kernel.org" <rafael@kernel.org>,
        "Shenoy, Gautham Ranjal" <gautham.shenoy@amd.com>,
        "Limonciello, Mario" <Mario.Limonciello@amd.com>,
        "Huang, Ray" <Ray.Huang@amd.com>
Subject: RE: [PATCH v3 1/5] cpupower: Recognise amd-pstate active mode driver
Thread-Topic: [PATCH v3 1/5] cpupower: Recognise amd-pstate active mode driver
Thread-Index: AQHZouEO9VXDIpPojkyzLl5KiJ9lNa+TA5sQ
Date:   Tue, 20 Jun 2023 03:10:03 +0000
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[AMD Official Use Only - General]

> -----Original Message-----
> From: Karny, Wyes <Wyes.Karny@amd.com>
> Sent: Tuesday, June 20, 2023 3:05 AM
> To: trenn@suse.com; shuah@kernel.org
> Cc: linux-pm@vger.kernel.org; linux-kernel@vger.kernel.org; rafael@kernel=
.org;
> Shenoy, Gautham Ranjal <gautham.shenoy@amd.com>; Limonciello, Mario
> <Mario.Limonciello@amd.com>; Huang, Ray <Ray.Huang@amd.com>; Yuan,
> Perry <Perry.Yuan@amd.com>; Karny, Wyes <Wyes.Karny@amd.com>
> Subject: [PATCH v3 1/5] 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>
> ---
>  tools/power/cpupower/utils/helpers/misc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/power/cpupower/utils/helpers/misc.c
> b/tools/power/cpupower/utils/helpers/misc.c
> index 9547b29254a7..0c56fc77f93b 100644
> --- 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 =3D true;
>
>       cpufreq_put_driver(driver);
> --
> 2.34.1

Tested-by: Perry Yuan <Perry.Yuan@amd.com>