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thermal: allow u8500-thermal driver to be a module

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When the thermal subsystem is a loadable module, the u8500 driver
fails to build:

drivers/thermal/built-in.o: In function `db8500_thermal_probe':
db8500_thermal.c:(.text+0x96c): undefined reference to `thermal_zone_device_register'
drivers/thermal/built-in.o: In function `db8500_thermal_work':
db8500_thermal.c:(.text+0xab4): undefined reference to `thermal_zone_device_update'

This changes the symbol to a tristate, so Kconfig can track the
dependency correctly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Arnd Bergmann 2016-01-25 17:44:12 +01:00 committed by Eduardo Valentin
parent 4d2f1794c0
commit 26716ce124
2 changed files with 5 additions and 2 deletions
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3
drivers/mfd/db8500-prcmu.c
View File

@ -2048,6 +2048,7 @@ int db8500_prcmu_config_hotmon(u8 low, u8 high)
return 0;
}
EXPORT_SYMBOL_GPL(db8500_prcmu_config_hotmon);
static int config_hot_period(u16 val)
{
@ -2074,11 +2075,13 @@ int db8500_prcmu_start_temp_sense(u16 cycles32k)
return config_hot_period(cycles32k);
}
EXPORT_SYMBOL_GPL(db8500_prcmu_start_temp_sense);
int db8500_prcmu_stop_temp_sense(void)
{
return config_hot_period(0xFFFF);
}
EXPORT_SYMBOL_GPL(db8500_prcmu_stop_temp_sense);
static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3)
{

4
drivers/thermal/Kconfig
View File

@ -237,8 +237,8 @@ config DOVE_THERMAL
framework.
config DB8500_THERMAL
bool "DB8500 thermal management"
depends on ARCH_U8500
tristate "DB8500 thermal management"
depends on MFD_DB8500_PRCMU
default y
help
Adds DB8500 thermal management implementation according to the thermal