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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id c34sm516369otu.42.2021.07.14.07.59.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jul 2021 07:59:43 -0700 (PDT) Date: Wed, 14 Jul 2021 09:59:41 -0500 From: Bjorn Andersson To: Serge Semin Cc: John Stultz , Serge Semin , Felipe Balbi , Krzysztof Kozlowski , Florian Fainelli , Rob Herring , Greg Kroah-Hartman , Andy Gross , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , linux-arm-msm , Linux USB List , lkml , linux-arm-kernel , Amit Pundir Subject: Re: [PATCH 29/29] arm64: dts: qcom: Harmonize DWC USB3 DT nodes name Message-ID: References: <20201020115959.2658-1-Sergey.Semin@baikalelectronics.ru> <20201020115959.2658-30-Sergey.Semin@baikalelectronics.ru> <20210714124807.o22mottsrg3tv6nt@mobilestation> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210714124807.o22mottsrg3tv6nt@mobilestation> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 14 Jul 07:48 CDT 2021, Serge Semin wrote: [..] > As Krzysztof said in > https://lore.kernel.org/lkml/20201221210423.GA2504@kozik-lap/ > and Bjorn noted in his response to your email, the only way to solve > the problem is to fix the user-land app so one would be able to deal > with both old and new DT-nodes name. How do you suggest this to be done? The userspace ABI in question is used to bind a USB gadgets to the particular USB controller, using the device name of the USB controller. > Alternatively you can just > replace the dts with older one, where the name still have > the "dwc3"-prefix. > This is exactly what Linus has mind when he tells us not to break user space. Regards, Bjorn