linux-kernel - Re: [PATCH v14 00/12] add ecspi ERR009165 for i.mx6/7 soc family

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Message-ID: <CAOMZO5CVyaOXNxwv9hKV3RB9Q4kzW4VchEeBj1=b9PvHkskcow@mail.gmail.com>
Date:   Mon, 14 Jun 2021 23:12:36 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Robin Gong <yibin.gong@....com>
Cc:     Vinod <vkoul@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Martin Fuzzey <martin.fuzzey@...wbird.group>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Dan Williams <dan.j.williams@...el.com>,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        Schrempf Frieder <frieder.schrempf@...tron.de>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Clark Wang <xiaoning.wang@....com>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        dmaengine@...r.kernel.org, NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH v14 00/12] add ecspi ERR009165 for i.mx6/7 soc family

Hi Robin,

On Wed, Apr 7, 2021 at 4:15 AM Robin Gong <yibin.gong@....com> wrote:
>
> There is ecspi ERR009165 on i.mx6/7 soc family, which cause FIFO
> transfer to be send twice in DMA mode. Please get more information from:
> https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf. The workaround is adding
> new sdma ram script which works in XCH  mode as PIO inside sdma instead
> of SMC mode, meanwhile, 'TX_THRESHOLD' should be 0. The issue should be

Could you please confirm whether the sdma-imx7d.bin firmware available at
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/log/imx/sdma/sdma-imx7d.bin

contains the "new sdma ram script which works in XCH  mode as PIO
inside sdma instead
of SMC mode" fix?

Thanks,

Fabio Estevam