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thermal: allow spear-thermal driver to be a module

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

drivers/thermal/built-in.o: In function `spear_thermal_exit':
spear_thermal.c:(.text+0xf8): undefined reference to `thermal_zone_device_unregister'
drivers/thermal/built-in.o: In function `spear_thermal_probe':
spear_thermal.c:(.text+0x230): undefined reference to `thermal_zone_device_register'

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 17:44:11 +01:00 committed by Eduardo Valentin
parent d612c64d1f
commit 4d2f1794c0
1 changed files with 1 additions and 1 deletions
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2
drivers/thermal/Kconfig
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@ -195,7 +195,7 @@ config IMX_THERMAL
passive trip is crossed. passive trip is crossed.
config SPEAR_THERMAL config SPEAR_THERMAL
bool "SPEAr thermal sensor driver" tristate "SPEAr thermal sensor driver"
depends on PLAT_SPEAR || COMPILE_TEST depends on PLAT_SPEAR || COMPILE_TEST
depends on OF depends on OF
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