On Thu, Jan 29, 2015 at 08:50:18AM +0100, Hans de Goede wrote:
> Hi,
>
> On 28-01-15 16:17, Arnd Bergmann wrote:
> >The sun4i-ts driver has had a dependency on the thermal code
> >since it was first merged,
>
> The "since it was first merged bit" is not true, this is caused
> by recent changes by ChenYu.
>
> Other then that no objections from me against the proposed fix.
>
> Regards,
>
> Hans
>
>
> but this is not currently enforced
> >in Kconfig, so in some randconfig builds we get
> >
> >drivers/built-in.o: In function `sun4i_ts_remove':
> >:(.text+0x2376f4): undefined reference to `thermal_zone_of_sensor_unregister'
> >drivers/built-in.o: In function `sun4i_ts_probe':
> >:(.text+0x237a94): undefined reference to `thermal_zone_of_sensor_register'
> >:(.text+0x237c00): undefined reference to `thermal_zone_of_sensor_unregister'
> >
> >We need the dependency on THERMAL in order to ensure that this
> >driver becomes a loadable module if the thermal support itself
> >is modular, while the dependency on THERMAL_OF is a runtime dependency
> >and the driver will still build but not work if it is missing.
> >
> >Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> >Fixes: 6decea7c5438e2 ("Input: add driver for Allwinner sunxi SoC's rtp controller")
> >
> >diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
> >index 58917525126e..e2447f0063b7 100644
> >--- a/drivers/input/touchscreen/Kconfig
> >+++ b/drivers/input/touchscreen/Kconfig
> >@@ -943,6 +943,8 @@ config TOUCHSCREEN_SUN4I
> > tristate "Allwinner sun4i resistive touchscreen controller support"
> > depends on ARCH_SUNXI || COMPILE_TEST
> > depends on HWMON
> >+ depends on THERMAL
> >+ depends on THERMAL_OF || COMPILE_TEST
THERMAL_OF does have proper stubs and I do not see why we need to force
having TERMAL even if we don't do compile test. Should the dependency be:
depends on !THERMAL_OF || TERMAL
Thanks.
--
Dmitry
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