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Message-ID: <CAHp75Vd0shZi3JA0cK9wVfRm1vZuKye_-eAhXYf-dYqA5QwK2g@mail.gmail.com>
Date: Wed, 29 Apr 2020 01:05:08 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Guenter Roeck <linux@...ck-us.net>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Lee Jones <lee.jones@...aro.org>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
linux-watchdog@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] watchdog: iTCO: fix link error
On Wed, Apr 29, 2020 at 12:33 AM Arnd Bergmann <arnd@...db.de> 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@...db.de>
> ---
> drivers/watchdog/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 66ca69f30f01..67a83578810e 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -1217,6 +1217,7 @@ config ITCO_WDT
> depends on (X86 || IA64) && PCI
> select WATCHDOG_CORE
> depends on I2C || I2C=n
> + depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT
Can we use same format as for I2C?
> select LPC_ICH if !EXPERT
> select I2C_I801 if !EXPERT && I2C
> ---help---
> --
> 2.26.0
>
--
With Best Regards,
Andy Shevchenko
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