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Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hpk2Z-0006U1-NM; Tue, 23 Jul 2019 03:56:31 +0200 Date: Tue, 23 Jul 2019 03:56:31 +0200 From: Andrew Lunn To: Evgeny Kolesnikov Subject: Re: [PATCH 0/5] Add support for WD MyCloud EX2 Ultra (+ versatile UART-based restart/poweroff drivers) Message-ID: <20190723015631.GI8972@lunn.ch> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_185645_288477_E7A2D91C X-CRM114-Status: GOOD ( 13.60 ) 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: Mark Rutland , devicetree@vger.kernel.org, Jason Cooper , linux-pm@vger.kernel.org, Gregory Clement , linux-kernel@vger.kernel.org, Sebastian Reichel , Rob Herring , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth 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 On Mon, Jul 22, 2019 at 09:53:00PM +0200, Evgeny Kolesnikov wrote: > This patchset consists of the DTS, which describes the WD MyCloud EX2 Ultra device, > 'poweroff' and 'resert' drivers for power-managing MCUs connected to a board via UART > (these drivers are more versatile than qnap-poweroff and could be used as a substitude), > and DT bindings for these drivers. > > The difference between uart-poweroff and qnap-poweroff is small, but important: > uart-poweroff is able to send to an MCU a command of arbitrary length, and the command > itself is defined in a DTS file for a specific device/board, thus making this driver > applicable to wider range of devices. Hi Evgeny There is a lot of replicated code here, and in the original qnap-poweroff.c driver. Please consolidate it by extending the current driver. It should be easy to add a new compatible string, and turn power_off_cfg.cmd into an array. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel