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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id b12sm3471485wro.66.2020.03.19.07.01.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Mar 2020 07:01:23 -0700 (PDT) Subject: Re: [RFC PATCH 2/2] phy: phy-rockchip-inno-usb2: remove support for rockchip, rk3366-usb2phy To: Robin Murphy , kishon@ti.com References: <20200318192901.5023-1-jbx6244@gmail.com> <20200318192901.5023-2-jbx6244@gmail.com> <233769c3-a44a-0ebd-7a2c-6fab17fb56f2@arm.com> From: Johan Jonker Message-ID: <625d2904-458b-1edc-d91c-21614653a274@gmail.com> Date: Thu, 19 Mar 2020 15:01:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <233769c3-a44a-0ebd-7a2c-6fab17fb56f2@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200319_070126_538451_9A4CCF91 X-CRM114-Status: GOOD ( 16.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Some questions. Can Rockchip or Heiko explain why we have half finished support in the upstream kernel for rk3366? What happened? Are any plans to add a rk3366.dtsi? How wide spread was the use of rk3366? Products? ie. When does support stop? There's also a rk3368. Is there a need for "rockchip,rk3368-usb2phy"? We'll keep "rockchip,rk3366-usb2phy" aboard for v2. Thanks On 3/19/20 2:07 PM, Robin Murphy wrote: > Hi Johan, > > On 2020-03-18 7:29 pm, Johan Jonker wrote: >> 'phy-rockchip-inno-usb2.txt' is updated to yaml, whereby >> the compatible string 'rockchip,rk3366-usb2phy' was removed, >> because it's not in use by a dts file, so remove support >> in the code as well. > > Here's a DT using it: > > https://github.com/rockchip-linux/kernel/blob/develop-4.4/arch/arm64/boot/dts/rockchip/rk3366.dtsi#L820 > > > Please note that although DT bindings happen to be primarily maintained > in the upstream kernel tree at the moment, it is mostly as a consequence > of Linux being the source of most active development. Bindings should > not be considered to be "owned" by upstream Linux since there are many > other consumers, both downstream, and in completely different projects > like the BSDs. As far as I'm aware there is still a long-term plan to > eventually flip the switch and move maintenance to a standalone repo: > > https://git.kernel.org/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing.git > > > Things like PCI Device IDs and ACPI HIDs aren't even documented as > formally as DT bindings, so by the reasoning here we could arguably > delete the majority of drivers from the kernel... > > Robin. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel