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Message-ID: <894561a9-51b5-4e7d-a65d-5e8e6c32a3ff@linaro.org>
Date: Wed, 7 Feb 2024 10:14:49 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Sam Protsenko <semen.protsenko@...aro.org>, broonie@...nel.org,
 andi.shyti@...nel.org, krzysztof.kozlowski@...aro.org,
 alim.akhtar@...sung.com, linux-spi@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, andre.draszik@...aro.org,
 peter.griffin@...aro.org, kernel-team@...roid.com, willmcvicker@...gle.com,
 robh+dt@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] spi: s3c64xx: explicitly include <linux/types.h>



On 2/7/24 09:58, Greg Kroah-Hartman wrote:
> On Wed, Feb 07, 2024 at 06:20:56AM +0000, Tudor Ambarus wrote:
>>
>>
>> On 2/6/24 18:02, Sam Protsenko wrote:
>>> On Tue, Feb 6, 2024 at 2:52 AM Tudor Ambarus <tudor.ambarus@...aro.org> wrote:
>>>>
>>>> The driver uses u32 and relies on an implicit inclusion of
>>>> <linux/types.h>.
>>>>
>>>> It is good practice to directly include all headers used, it avoids
>>>> implicit dependencies and spurious breakage if someone rearranges
>>>> headers and causes the implicit include to vanish.
>>>>
>>>> Include the missing header.
>>>>
>>>> Fixes: 230d42d422e7 ("spi: Add s3c64xx SPI Controller driver")
>>>
>>> Not sure if Fixes tag is needed here.
>>
>> We have already talked about this. If a patch that causes the implicit
>> include to vanish is backported to stable, it will reveal the missing
>> header here and will result in backporting this patch as well.
> 
> So worry about this then, not now.
> 
>> So, as a
>> good practice let's allow this patch to be queued to stable, it will
>> avoid possible compilation errors.
> 
> "possible" does not mean "needed".
> 
> Please only tag stuff that you know is needed, if the stable developers
> break things, they can fix it up when it happens.
> 
> Adding .h includes is not a fixes: thing unless it actually fixes
> something in Linus's tree, otherwise it's an abuse of the tag.  Please
> don't do that.
> 

Okay, thanks for the clarification.

Cheers,
ta

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