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Thu, 02 Apr 2020 23:00:49 -0700 (PDT) Date: Thu, 2 Apr 2020 23:00:48 -0700 From: Guenter Roeck To: Evan Benn Subject: Re: [PATCH v2 2/2] watchdog: Add new arm_smd_wdt watchdog driver Message-ID: <20200403060048.GA206691@roeck-us.net> References: <20200403052900.258855-1-evanbenn@chromium.org> <20200403162742.v2.2.Ia92bb4d4ce84bcefeba1d00aaa1c1e919b6164ef@changeid> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200403162742.v2.2.Ia92bb4d4ce84bcefeba1d00aaa1c1e919b6164ef@changeid> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200402_230051_735278_F0F34101 X-CRM114-Status: GOOD ( 11.88 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , Bjorn Andersson , Manivannan Sadhasivam , Leonard Crestez , Will Deacon , xingyu.chen@amlogic.com, Rob Herring , Andy Shevchenko , Anson Huang , Mauro Carvalho Chehab , Marcin Juszkiewicz , Valentin Schneider , linux-watchdog@vger.kernel.org, linux-mediatek@lists.infradead.org, Jonathan Cameron , Matthias Brugger , Wim Van Sebroeck , linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , LKML , Vinod Koul , Olof Johansson , jwerner@chromium.org, Shawn Guo , "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Fri, Apr 03, 2020 at 04:29:00PM +1100, Evan Benn wrote: > From: Julius Werner > > This patch adds a watchdog driver that can be used on ARM systems > with the appropriate watchdog implemented in Secure Monitor firmware. > The driver communicates with firmware via a Secure Monitor Call. > This may be useful for platforms using TrustZone that want > the Secure Monitor firmware to have the final control over the watchdog. > > This is implemented on mt8173 chromebook devices oak, elm and hana in > arm trusted firmware file plat/mediatek/mt8173/drivers/wdt/wdt.c. > > Signed-off-by: Julius Werner > Signed-off-by: Evan Benn Reviewed-by: Guenter Roeck Guenter _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek