linux-kernel - Re: [PATCH v5 0/6] add edma2 for i.mx7ulp

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Date:   Wed, 3 Jul 2019 13:28:48 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     yibin.gong@....com
Cc:     robh@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        festevam@...il.com, mark.rutland@....com, dan.j.williams@...el.com,
        angelo@...am.it, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        kernel@...gutronix.de
Subject: Re: [PATCH v5 0/6] add edma2 for i.mx7ulp

On 25-06-19, 17:43, yibin.gong@....com wrote:
> From: Robin Gong <yibin.gong@....com>
> 
> This patch set add new version of edma for i.mx7ulp, the main changes
> are as belows:
>  1. only one dmamux.
>  2. another clock dma_clk except dmamux clk.
>  3. 16 independent interrupts instead of only one interrupt for
>     all channels
> For the first change, need modify fsl-edma-common.c and mcf-edma,
> so create the first two patches to prepare without any function impact.
> 
> For the third change, need request single irq for every channel with
> the legacy handler. But actually 2 dma channels share one interrupt(16
> channel interrupts, but 32 channels.),ch0/ch16,ch1/ch17... For now, just
> simply request irq without IRQF_SHARED flag, since 16 channels are enough
> on i.mx7ulp whose M4 domain own some peripherals.

Applied patches 1-5, thanks
-- 
~Vinod