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To: Boris Lysov , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20220117190112.2b2c2f53@pc> From: Guenter Roeck Message-ID: <60dceae6-5c7c-9f2d-9fcb-5e849f1d8ce5@roeck-us.net> Date: Mon, 17 Jan 2022 08:34:57 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20220117190112.2b2c2f53@pc> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220117_083505_378438_A5CB797C X-CRM114-Status: GOOD ( 15.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 1/17/22 8:01 AM, Boris Lysov wrote: > Hello everyone, > > I stumbled upon the ARM TWD Watchdog driver which seems to be missing (or I'm > just blind). > > As per commit a33f5c380c4bd3fa5278d690421b72052456d9fe ("Merge tag > 'xfs-5.17-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux"), multiple > device trees declare usage of arm-twd: > > arch/arm/boot/dts/arm-realview-eb-mp.dtsi > arch/arm/boot/dts/arm-realview-pb11mp.dts > arch/arm/boot/dts/arm-realview-pbx-a9.dts > arch/arm/boot/dts/bcm5301x.dtsi > arch/arm/boot/dts/bcm63138.dtsi > arch/arm/boot/dts/bcm-hr2.dtsi > arch/arm/boot/dts/bcm-nsp.dtsi > arch/arm/boot/dts/berlin2cd.dtsi > arch/arm/boot/dts/highbank.dts > arch/arm/boot/dts/mmp3.dtsi > arch/arm/boot/dts/owl-s500.dtsi > arch/arm/boot/dts/spear13xx.dtsi > arch/arm/boot/dts/ste-dbx5x0.dtsi > arch/arm/boot/dts/vexpress-v2p-ca5s.dts > arch/arm/boot/dts/vexpress-v2p-ca9.dts > > and it is documented in > Documentation/devicetree/bindings/watchdog/arm,twd-wdt.yaml > > However I could not find the driver itself. I tried running case-insensitive > grep and ripgrep to no avail. Does this driver actually exist? Is it gone? > I may be missing it, but I do not see any evidence that it ever existed. Guenter _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel