Re: [PATCH] watchdog: iTCO: fix link error

From: Mika Westerberg
Date: Wed Apr 29 2020 - 08:52:08 EST


On Tue, Apr 28, 2020 at 11:29:11PM +0200, Arnd Bergmann wrote:
> When the MFD driver is a loadable module, the watchdog driver fails
> to get linked into the kernel:
>
> drivers/watchdog/iTCO_wdt.o: In function `update_no_reboot_bit_pmc':
> iTCO_wdt.c:(.text+0x54f): undefined reference to `intel_pmc_gcr_update'
>
> The code is written to support operation without the MFD driver, so
> add a Kconfig dependency that allows this, while disallowing the watchdog
> to be built-in when the MFD driver is a module.
>
> Fixes: 25f1ca31e230 ("platform/x86: intel_pmc_ipc: Convert to MFD")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>