linux-kernel - Re: [PATCH V12 3/5] i2c: tegra: Add DMA support

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Message-ID: <304c1916-e836-fa95-5cec-887fef8f3eb2@gmail.com>
Date:   Wed, 6 Feb 2019 16:05:56 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mantravadi Karthik <mkarthik@...dia.com>,
        Shardar Mohammed <smohammed@...dia.com>,
        Timo Alho <talho@...dia.com>
Cc:     "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
Subject: Re: [PATCH V12 3/5] i2c: tegra: Add DMA support

06.02.2019 16:03, Sowjanya Komatineni пишет:
>> BTW, I'm seeing "atmel_mxt_ts 0-004c: Warning: Info CRC error - device=0xF436DC file=0x000000" whithout making any modifications to the original patch as well and it shall not happen, hence there is bug somewhere. Probably FIFO triggers are still not set up correctly... ?
>>
>>
> In snippet you sent, I see you are forcing dma_burst to 1 always which is what set for fifo trigger levels as well and also you are forcing dma all the time.
> So always it will be 1 word dma burst and 1 word trigger level and that should not be an issue.
> 

I reverted that snippet, this log is collected with the yours original patch.