linux-kernel - Re: [PATCH 2/2] ARM: configs: keystone: Remove this defconfig

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Date: Wed, 24 Jan 2024 12:52:09 -0600
From: Andrew Davis <afd@...com>
To: Nishanth Menon <nm@...com>
CC: Russell King <linux@...linux.org.uk>, Arnd Bergmann <arnd@...db.de>,
        Vignesh Raghavendra <vigneshr@...com>,
        Santosh Shilimkar
	<ssantosh@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] ARM: configs: keystone: Remove this defconfig

On 1/24/24 12:04 PM, Nishanth Menon wrote:
> On 11:31-20240124, Andrew Davis wrote:
>> On 1/24/24 10:41 AM, Nishanth Menon wrote:
>>> On 10:28-20240124, Andrew Davis wrote:
>>>> TI Keystone devices can and should use the common multi-v7 defconfig.
>>>> Currently it is not clear which defconfig should be used and so config
>>>> options for Keystone boards are added to either both defconfigs, or only
>>>> one or the other. As nice as it is to have a config just for this platform
>>>> it is a maintenance burden. As it is not used by generic distros it is not
>>>> very useful to continue to maintain. Remove this defconfig.
>>>>
>>>> Signed-off-by: Andrew Davis <afd@...com>
>>>> ---
>>>>    arch/arm/configs/keystone_defconfig | 238 ----------------------------
>>>>    1 file changed, 238 deletions(-)
>>>>    delete mode 100644 arch/arm/configs/keystone_defconfig
>>>>
>>>
>>> There are a bunch of downstream folks who will have recipe fails etc if
>>> we do that. I am not sure we need to go down that route.
>>>
>>
>> That is the point of this patch, we want to stop any remaining downstream
>> folks from using this defconfig. It is not maintained nor updated like
>> the multi_v7_defconfig, any new or needed options will only be added to
>> multi-v7 defconfig.
>>
> 
> I am going to have to defer to ARM maintainers what they think..
> enabling LPAE etc in common multi_v7_config.
> 

We are not enabling LPAE in common multi_v7_config, that can't be
done as many plats do not support it. Keystone will use the new
multi_v7_lpae_defconfig which was just added:

e9faf9b0b07a ("ARM: add multi_v7_lpae_defconfig")

That is what prompted me to make this change, we now have a
commonish config that works for Keystone.

Andrew


> --
> Regards,
> Nishanth Menon
> Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D