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Date: Fri, 16 Oct 2020 13:53:40 -0500
From: Rob Herring <robh@kernel.org>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Subject: Re: [PATCH 11/20] dt-bindings: usb: dwc3: Add synopsys,dwc3
 compatible string
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References: <20201014101402.18271-1-Sergey.Semin@baikalelectronics.ru>
 <20201014101402.18271-12-Sergey.Semin@baikalelectronics.ru>
 <20201014201818.GA6926@kozik-lap>
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Cc: Neil Armstrong <narmstrong@baylibre.com>, linux-kernel@vger.kernel.org,
 Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>,
 Kevin Hilman <khilman@baylibre.com>, Krzysztof Kozlowski <krzk@kernel.org>,
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 Bjorn Andersson <bjorn.andersson@linaro.org>,
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 Felipe Balbi <balbi@kernel.org>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
 linux-usb@vger.kernel.org, linux-mips@vger.kernel.org,
 Serge Semin <fancer.lancer@gmail.com>, Manu Gautam <mgautam@codeaurora.org>,
 linuxppc-dev@lists.ozlabs.org
Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org
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 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

On Thu, Oct 15, 2020 at 12:35:54AM +0300, Serge Semin wrote:
> On Wed, Oct 14, 2020 at 10:18:18PM +0200, Krzysztof Kozlowski wrote:
> > On Wed, Oct 14, 2020 at 01:13:53PM +0300, Serge Semin wrote:
> > > The DWC USB3 driver and some DTS files like Exynos 5250, Keystone k2e, etc
> > > expects the DWC USB3 DT node to have the compatible string with the
> > > "synopsys" vendor prefix. Let's add the corresponding compatible string to
> > > the controller DT schema, but mark it as deprecated seeing the Synopsys,
> > > Inc. is presented with just "snps" vendor prefix.
> > 
> 
> > Instead of adding deprecated schema just correct the DTSes to use snps.
> > The "synopsys" is not even in vendor prefixes.
> 
> Yeah, it's not, but the driver and some dts'es use it this way. I am not sure
> that the solution suggested by you is much better than mine. So let's hear the
> Rob'es opinion out in this matter. @Rob, what do you think?

I think we should fix the dts files given there's only 5.

Rob