linux-kernel - Re: [PATCH v2] ARM: dts: am33xx: Fix MMCHS0 dma properties

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Date:   Mon, 4 Jul 2022 09:25:35 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Yu-Tung Chang <mtwget@...il.com>
Cc:     Benoit Cousson <bcousson@...libre.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ARM: dts: am33xx: Fix MMCHS0 dma properties

* Yu-Tung Chang <mtwget@...il.com> [220701 06:09]:
> Yu-Tung Chang <mtwget@...il.com> 于2022年7月1日周五 14:04写道：
> >
> > Tony Lindgren <tony@...mide.com> 于2022年6月27日周一 18:54写道：
> >
> > >
> > > Hi,
> > >
> > > * YuTong Chang <mtwget@...il.com> [220620 15:36]:
> > > > According to technical manual(table 11-24), the DMA of MMCHS0 should be
> > > > direct mapped.
> > >
> > > Could this be a bug in the manual assuming mmchs0 is working? Or does this
> > > fix something for you?
> > >
> > It modified in commit b5e5090660742c838ddc0b5d1a001e6fe3d5bfd5,
> > the dma of mmc1 was changed to edma_xbar and did not explain why it should
> > not match the document.
> > > Regards,
> > >
> > > Tony
> No evidence of any official documentation error, before submitting
> b5e5090660742c838ddc0b5d1a001e6fe3d5bfd5, the mmc1 dma properties
> matches the official documentation.

OK thanks for clarifying. will apply to fixes with a fixes tag.

Regards,

Tony