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[217.229.28.220]) by smtp.gmail.com with ESMTPSA id s15sm25038525wrr.45.2020.03.23.06.42.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2020 06:42:21 -0700 (PDT) Date: Mon, 23 Mar 2020 14:42:21 +0100 From: Thierry Reding To: Dmitry Osipenko Cc: Thomas Gleixner , Rob Herring , Jon Hunter , linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/7] clocksource: Add Tegra186 timers support Message-ID: <20200323134221.GI3883508@ulmo> References: <20200320133452.3705040-1-thierry.reding@gmail.com> <20200320133452.3705040-3-thierry.reding@gmail.com> <48b2099c-dd83-d4dc-aab4-8c6f68a215cf@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="BWWlCdgt6QLN7tv3" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.13.1 (2019-12-14) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --BWWlCdgt6QLN7tv3 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 20, 2020 at 06:38:32PM +0300, Dmitry Osipenko wrote: > 20.03.2020 18:11, Dmitry Osipenko =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > > 20.03.2020 16:34, Thierry Reding =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > >> From: Thierry Reding > >> > >> Currently this only supports a single watchdog, which uses a timer in > >> the background for countdown. Eventually the timers could be used for > >> various time-keeping tasks, but by default the architected timer will > >> already provide that functionality. > >> > >> Signed-off-by: Thierry Reding > >> --- > >=20 > > ... > >> +config TEGRA186_TIMER > >> + bool "NVIDIA Tegra186 timer driver" > >=20 > > tristate? > >=20 > >> + depends on ARCH_TEGRA || COMPILE_TEST > >=20 > > depends on WATCHDOG && WATCHDOG_CORE? >=20 > Actually `select WATCHDOG_CORE` for the WATCHDOG_CORE. WATCHDOG_CORE is user-visible, so it's not safe to select it. Any reason depends on WATCHDOG && WATCHDOG_CORE wouldn't work? I guess a dependency on WATCHDOG_CORE would be enough because that itself already depends on WATCHDOG. 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