linux-kernel - Re: [PATCH] arm64: dts: exynosautov9: Add dpum SysMMU

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Message-ID: <2e38f14b-41f4-401f-915e-fe3a4c1bfbe8@linaro.org>
Date: Thu, 22 Aug 2024 08:21:52 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Kwanghoon Son <k.son@...sung.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: exynosautov9: Add dpum SysMMU

On 22/08/2024 04:16, Kwanghoon Son wrote:
> On Wed, 2024-08-21 at 13:29 +0200, Krzysztof Kozlowski wrote:
>> On 21/08/2024 13:28, Krzysztof Kozlowski wrote:
>>>
>>> On Mon, 19 Aug 2024 16:55:45 +0900, Kwanghoon Son wrote:
>>>> Add System Memory Management Unit(SysMMU) for dpum also called iommu.
>>>>
>>>> This sysmmu is version 7.4, which has same functionality as exynos850.
>>>>
>>>> DPUM has 4 dma channel, each channel is mapped to one iommu.
>>>>
>>>>
>>>> [...]
>>>
>>> Applied, thanks!
>>>
>>> [1/1] arm64: dts: exynosautov9: Add dpum SysMMU
>>>       (no commit info)
>>
>> I should reply here - unapplied. Does not build.
>>
>> Best regards,
>> Krzysztof
>>
> 
> I apologize for the inconvenience.
> 
> This should come after
> https://lore.kernel.org/linux-samsung-soc/20240809-clk_dpum-v3-0-359decc30fe2@samsung.com/
> patch (already merged in next) as 'next'.
> 
> Would it be okay to you if I write 'next' on title and required patch
> in cover-letter? or anything more make you more easy to review.

'next' has no meaning. It is impossible to apply patches on next.

You should document the dependency in changelog or cover letter.

Best regards,
Krzysztof