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From: Felipe Balbi <balbi@kernel.org>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>, Mathias Nyman
 <mathias.nyman@intel.com>, Greg Kroah-Hartman
 <gregkh@linuxfoundation.org>, Rob Herring <robh+dt@kernel.org>, Jason
 Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>, Gregory
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 Shilimkar <ssantosh@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Li Yang
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 <xuwei5@hisilicon.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson
 <bjorn.andersson@linaro.org>
Subject: Re: [PATCH 20/20] arch: dts: Fix DWC USB3 DT nodes name
In-Reply-To: <20201014101402.18271-21-Sergey.Semin@baikalelectronics.ru>
References: <20201014101402.18271-1-Sergey.Semin@baikalelectronics.ru>
 <20201014101402.18271-21-Sergey.Semin@baikalelectronics.ru>
Date: Wed, 14 Oct 2020 17:09:37 +0300
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Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
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Hi Serge,

Serge Semin <Sergey.Semin@baikalelectronics.ru> writes:
> In accordance with the DWC USB3 bindings the corresponding node name is
> suppose to comply with Generic USB HCD DT schema, which requires the USB

DWC3 is not a simple HDC, though.

> nodes to have the name acceptable by the regexp: "^usb(@.*)?" . But a lot
> of the DWC USB3-compatible nodes defined in the ARM/ARM64 DTS files have
> name as "^dwc3@.*" or "^usb[1-3]@.*" or even "^dwusb@.*", which will cause
> the dtbs_check procedure failure. Let's fix the nodes naming to be
> compatible with the DWC USB3 DT schema to make dtbs_check happy.
>
> Note we don't change the DWC USB3-compatible nodes names of
> arch/arm64/boot/dts/apm/{apm-storm.dtsi,apm-shadowcat.dtsi} since the
> in-source comment says that the nodes name need to be preserved as
> "^dwusb@.*" for some backward compatibility.

interesting, compatibility with what? Some debugfs files, perhaps? :-)

In any case, I don't have any problems with this, so I'll let other
folks comment.

=2D-=20
balbi

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