linux-kernel - Re: [PATCH v4 11/14] dmaengine: imx-sdma: fix ecspi1 rx dma not work on i.mx8mm

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Message-ID: <20190523053433.GU15118@vkoul-mobl>
Date:   Thu, 23 May 2019 11:04:33 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Robin Gong <yibin.gong@....com>
Cc:     "robh@...nel.org" <robh@...nel.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        "plyatov@...il.com" <plyatov@...il.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>
Subject: Re: [PATCH v4 11/14] dmaengine: imx-sdma: fix ecspi1 rx dma not work
 on i.mx8mm

On 22-05-19, 10:00, Robin Gong wrote:
> Because the number of ecspi1 rx event on i.mx8mm is 0, the condition
> check ignore such special case without dma channel enabled, which caused
> ecspi1 rx works failed. Actually, no need to check event_id0/event_id1
> and replace checking 'event_id1' with 'DMA_DEV_TO_DEV', so that configure
> event_id1 only in case DEV_TO_DEV.

Acked-by: Vinod Koul <vkoul@...nel.org>

-- 
~Vinod