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SubjectRE: [PATCH] watchdog: change ITCO_WDT type from tristate to bool
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Hi, Roeck

Yes, this patch submitted more than 1 year ago in our internal tree, I just tested latest 4.18 kernel, even without this patch, there is no error.
So I am ok to reject this patch.

Thanks
Tim

-----Original Message-----
From: Guenter Roeck [mailto:groeck7@gmail.com] On Behalf Of Guenter Roeck
Sent: Monday, July 2, 2018 9:17 PM
To: Tian, Baofeng <baofeng.tian@intel.com>; wim@linux-watchdog.org; linux-watchdog@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: Re: [PATCH] watchdog: change ITCO_WDT type from tristate to bool

On 07/02/2018 01:18 AM, Tian, Baofeng wrote:
> From: "Tian, Baofeng" <baofeng.tian@intel.com
> <mailto:baofeng.tian@intel.com>>
> Subject: [PATCH] watchdog: change ITCO_WDT type from tristate to bool
>
> tristate will allow kernel config it to M and build ko file, this will
> cause build allmodconfig errors as necessary symbols have not been
> exported.
> change it to bool, only allow config ITCO_WDT to yes/no.
>
> Signed-off-by: Tian, Baofeng <baofeng.tian@intel.com
> <mailto:baofeng.tian@intel.com>>

This works today. I don't see a point changing it, and I am wary doing so.
There are systems where the iTCO watchdog doesn't work (I own one of those), even though it instantiates, and I am wary of force-loading it.

Besides, you don't explain which "necessary symbols have not been exported".
I do not plan to spend time trying to find out what those symbols are, and why this would suddenly be a problem.

Guenter

> ---
>  drivers/watchdog/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index
> 9af07fd..f991e93 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -1049,7 +1049,7 @@ config INTEL_MID_WATCHDOG
>         To compile this driver as a module, choose M here.
>
>  config ITCO_WDT
> -     tristate "Intel TCO Timer/Watchdog"
> +     bool "Intel TCO Timer/Watchdog"
>       depends on (X86 || IA64) && PCI
>       select WATCHDOG_CORE
>       depends on I2C || I2C=n
> --
> 2.7.4
>

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