linux-kernel - Re: [PATCH] ARM: s3c: Fix a build error after the s3c24xx dma driver was removed

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Date:   Sun, 20 Nov 2022 12:22:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Arnd Bergmann <arnd@...nel.org>, Vinod Koul <vkoul@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Ben Dooks <ben-linux@...ff.org>,
        Simtec Linux Team <linux@...tec.co.uk>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        dmaengine@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        kernel@...gutronix.de
Subject: Re: [PATCH] ARM: s3c: Fix a build error after the s3c24xx dma driver
 was removed

On 20/11/2022 11:31, Krzysztof Kozlowski wrote:
> On 18/11/2022 22:54, Uwe Kleine-König wrote:
>> The linux/platform_data/dma-s3c24xx.h header file was removed. It didn't
>> declare or define any symbol needed in devs.c though, so the #include
>> can just be dropped.
>>
>> Fixes: cccc46ae3623 ("dmaengine: remove s3c24xx driver")
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
>> ---
> 
> The file was not removed... or it should not have been yet. The s3c24xx
> dma driver removal should be part of Arnd series taken via SoC ARM.

Also: I don't think the fix is correct. The header was used in mach-s3c,
so removing the header should still cause broken build.

It also fails in other places:

arch/arm/mach-s3c/s3c24xx.c:21:10: fatal error:
linux/platform_data/dma-s3c24xx.h: No such file or directory
   21 | #include <linux/platform_data/dma-s3c24xx.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.

I think that commit should be just dropped instead.

Best regards,
Krzysztof