linux-kernel - Re: [PATCH v9 00/13] dmaengine: edma: add freescale edma v3 support

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Date:   Sun, 2 Jul 2023 22:22:22 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Frank Li <Frank.li@....com>, vkoul@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        peng.fan@....com, joy.zou@....com, shenwei.wang@....com,
        imx@...ts.linux.dev
Subject: Re: [PATCH v9 00/13] dmaengine: edma: add freescale edma v3 support

On 28/06/2023 16:45, Frank Li wrote:
> On Tue, Jun 20, 2023 at 04:12:08PM -0400, Frank Li wrote:
>> This patch series introduces support for the eDMA version 3 from
>> Freescale. The eDMA v3 brings alterations in the register layout,
>> particularly, the separation of channel control registers into
>> different channels. The Transfer Control Descriptor (TCD) layout,
>> however, remains identical with only the offset being changed.
>>
>> The first 11 patches aim at tidying up the existing Freescale
>> eDMA code and laying the groundwork for the integration of eDMA v3
>> support.
>>
>> Patch 1-11:
>> These patches primarily focus on cleaning up and refactoring the existing
>> fsl_edma driver code. This is to accommodate the upcoming changes and new
>> features introduced with the eDMA v3.
>>
>> Patch 12:
>> This patch introduces support for eDMA v3. In addition, this patch has
>> been designed with an eye towards future upgradability, specifically for
>> transitioning to eDMA v5. The latter involves a significant upgrade
>> where the TCD address would need to support 64 bits.
>>
>> Patch 13:
>> This patch focuses on the device tree bindings and their modifications
>> to properly handle and integrate the changes brought about by eDMA v3
> 
> @vkoul:
>   Do you have chance to check these patches? Any chance to come into 6.5
>   All audio parts of i.MX8x and i.MX9 was dependent on these patches.

Why do you ping during the merge window?

v6.5? And what about having it in next for two weeks? One thing is to
ping for something forgotten, different thing is to try squeeze patches
skipping our process.

Best regards,
Krzysztof