Re: [PATCH 3/3] thermal: allow u8500-thermal driver to be a module

From: Linus Walleij
Date: Fri Feb 05 2016 - 09:44:47 EST


On Mon, Jan 25, 2016 at 5:44 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:

> 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@xxxxxxxx>

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij