thermal: allow u8500-thermal driver to be a module
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>
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26716ce124
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@ -2048,6 +2048,7 @@ int db8500_prcmu_config_hotmon(u8 low, u8 high)
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return 0;
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}
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EXPORT_SYMBOL_GPL(db8500_prcmu_config_hotmon);
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static int config_hot_period(u16 val)
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{
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@ -2074,11 +2075,13 @@ int db8500_prcmu_start_temp_sense(u16 cycles32k)
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return config_hot_period(cycles32k);
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}
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EXPORT_SYMBOL_GPL(db8500_prcmu_start_temp_sense);
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int db8500_prcmu_stop_temp_sense(void)
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{
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return config_hot_period(0xFFFF);
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}
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EXPORT_SYMBOL_GPL(db8500_prcmu_stop_temp_sense);
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static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3)
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{
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@ -237,8 +237,8 @@ config DOVE_THERMAL
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framework.
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config DB8500_THERMAL
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bool "DB8500 thermal management"
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depends on ARCH_U8500
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tristate "DB8500 thermal management"
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depends on MFD_DB8500_PRCMU
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default y
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help
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Adds DB8500 thermal management implementation according to the thermal
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