projects/linux·commit 3c2002ae

cpufreq: mediatek: allow building as a module

3c2002ae · Arnd Bergmann <[email protected]> · 2016-02-29 17:04:21 +01:00

The MT8173 cpufreq driver can currently only be built-in, but
it has a Kconfig dependency on the thermal core. THERMAL
can be a loadable module, which in turn makes this driver
impossible to build.

It is nicer to make the cpufreq driver a module as well, so
this patch turns the option in to a 'tristate' and adapts
the dependency accordingly.

The driver has no module_exit() function, so it will continue
to not support unloading, but it can be built as a module
and loaded at runtime now.

Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: 5269e7067cd6 (cpufreq: Add ARM_MT8173_CPUFREQ dependency on THERMAL)
Signed-off-by: Rafael J. Wysocki <[email protected]>
Commit
3c2002aec3ee3a9fc86ff8f8618f1253c94ec919
Parents
ddd30ef4

Changes

2 files changed · +3 −2

FileStatusAddDelContent
drivers/cpufreq/Kconfig.armmodified+2−2View file
drivers/cpufreq/mt8173-cpufreq.cmodified+1−0View file

drivers/cpufreq/Kconfig.arm

View file
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 0031069..14b1f93 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -84,10 +84,10 @@ config ARM_KIRKWOOD_CPUFREQ
SoCs.
config ARM_MT8173_CPUFREQ
- bool "Mediatek MT8173 CPUFreq support"
+ tristate "Mediatek MT8173 CPUFreq support"
depends on ARCH_MEDIATEK && REGULATOR
depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
- depends on !CPU_THERMAL || THERMAL=y
+ depends on !CPU_THERMAL || THERMAL
select PM_OPP
help
This adds the CPUFreq driver support for Mediatek MT8173 SoC.

drivers/cpufreq/mt8173-cpufreq.c

View file
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c
index 1efba34..2058e6d 100644
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mt8173-cpufreq.c
@@ -17,6 +17,7 @@
#include <linux/cpu_cooling.h>
#include <linux/cpufreq.h>
#include <linux/cpumask.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>