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Message-ID: <20221117024955.3319484-3-Perry.Yuan@amd.com>
Date: Thu, 17 Nov 2022 10:49:52 +0800
From: Perry Yuan <Perry.Yuan@....com>
To: <rafael.j.wysocki@...el.com>, <ray.huang@....com>,
<viresh.kumar@...aro.org>, <Mario.Limonciello@....com>
CC: <Nathan.Fontenot@....com>, <Alexander.Deucher@....com>,
<Deepak.Sharma@....com>, <Shimmer.Huang@....com>,
<Li.Meng@....com>, <Xiaojian.Du@....com>, <wyes.karny@....com>,
<gautham.shenoy@....com>, <ananth.narayan@....com>,
<linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Perry Yuan <Perry.Yuan@....com>
Subject: [PATCH 2/5] cpufreq: amd-pstate: change amd-pstate driver to be built-in type
Currently when the amd-pstate and acpi_cpufreq are both built into
kernel as module driver, amd-pstate will not be loaded by default
in this case.
Change amd-pstate driver as built-in type, it will resolve the loading
sequence problem to allow user to make amd-pstate driver as the default
cpufreq scaling driver.
Fixes: ec437d71db77 ("cpufreq: amd-pstate: Introduce a new AMD P-State driver to support future processors")
Signed-off-by: Perry Yuan <Perry.Yuan@....com>
---
drivers/cpufreq/Kconfig.x86 | 2 +-
drivers/cpufreq/amd-pstate.c | 11 +----------
2 files changed, 2 insertions(+), 11 deletions(-)
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 310779b07daf..00476e94db90 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -35,7 +35,7 @@ config X86_PCC_CPUFREQ
If in doubt, say N.
config X86_AMD_PSTATE
- tristate "AMD Processor P-State driver"
+ bool "AMD Processor P-State driver"
depends on X86 && ACPI
select ACPI_PROCESSOR
select ACPI_CPPC_LIB if X86_64
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index d844c6f97caf..701f49d6d240 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -663,16 +663,7 @@ static int __init amd_pstate_init(void)
return ret;
}
-
-static void __exit amd_pstate_exit(void)
-{
- cpufreq_unregister_driver(&amd_pstate_driver);
-
- amd_pstate_enable(false);
-}
-
-module_init(amd_pstate_init);
-module_exit(amd_pstate_exit);
+device_initcall(amd_pstate_init);
MODULE_AUTHOR("Huang Rui <ray.huang@....com>");
MODULE_DESCRIPTION("AMD Processor P-state Frequency Driver");
--
2.25.1
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