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References: <20220620124146.5330-1-mtwget@gmail.com> <YrmMdcz9mJS1sXyS@atomide.com>
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From:   Yu-Tung Chang <mtwget@gmail.com>
Date:   Fri, 1 Jul 2022 14:04:01 +0800
Message-ID: <CAHRgzyOsxaC2HM=xAMxFUadTEdTBk-yiMjC=-Y=UynoiULSXDw@mail.gmail.com>
Subject: Re: [PATCH v2] ARM: dts: am33xx: Fix MMCHS0 dma properties
To:     Tony Lindgren <tony@atomide.com>
Cc:     Benoit Cousson <bcousson@baylibre.com>, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, linux-omap@vger.kernel.org,
        devicetree@vger.kernel.org,
        open list <linux-kernel@vger.kernel.org>
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Tony Lindgren <tony@atomide.com> =E4=BA=8E2022=E5=B9=B46=E6=9C=8827=E6=97=
=A5=E5=91=A8=E4=B8=80 18:54=E5=86=99=E9=81=93=EF=BC=9A

>
> Hi,
>
> * YuTong Chang <mtwget@gmail.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 thi=
s
> 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