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[217.229.29.98]) by smtp.gmail.com with ESMTPSA id 19sm11461613wmo.3.2020.04.14.08.47.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Apr 2020 08:47:54 -0700 (PDT) Date: Tue, 14 Apr 2020 17:47:53 +0200 From: Thierry Reding To: Dmitry Osipenko Subject: Re: [PATCH v6 11/14] memory: tegra: Support derated timings on Tegra210 Message-ID: <20200414154753.GQ3593749@ulmo> References: <20200409175238.3586487-1-thierry.reding@gmail.com> <20200409175238.3586487-12-thierry.reding@gmail.com> <7f23f140-4c56-3d9a-946e-f29bc569f40c@gmail.com> MIME-Version: 1.0 In-Reply-To: <7f23f140-4c56-3d9a-946e-f29bc569f40c@gmail.com> User-Agent: Mutt/1.13.1 (2019-12-14) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200414_084757_080312_6E24891B X-CRM114-Status: GOOD ( 12.62 ) 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, Stephen Boyd , Michael Turquette , Jon Hunter , Rob Herring , Joseph Lo , linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============9009579722167363084==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============9009579722167363084== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zfSPj0+0wxNpTjLN" Content-Disposition: inline --zfSPj0+0wxNpTjLN Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 10, 2020 at 02:44:16AM +0300, Dmitry Osipenko wrote: > 09.04.2020 20:52, Thierry Reding =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > ... > > tegra210_emc_debugfs_init(emc); > > =20 > > + cd =3D devm_thermal_of_cooling_device_register(emc->dev, np, "emc", e= mc, > > + &tegra210_emc_cd_ops); > > + if (IS_ERR(cd)) { > > + err =3D PTR_ERR(cd); > > + dev_err(emc->dev, "failed to register cooling device: %d\n", > > + err); >=20 > > + goto detach; >=20 > I think it's not really worthwhile to fail whole EMC driver because of > the failed CDEV. Well, we do kind of need this cooling device mechanism in order for the memory to continue to operate properly at high temperatures. It's also very unlikely that this will ever fail, so I don't see any harm in making this mandatory. Thierry --zfSPj0+0wxNpTjLN Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl6V2ykACgkQ3SOs138+ s6EAeA/+IsxKWQvGh2RYgVTWhjjt4UXdnCKicikH4x5BNbL8tXenzOzKPEmGNWD5 Ts2RFpne3QaRGscpN0bTZry+XjKv8UHoInOHgYZtd1KyS1+yJUbgZYeoHBA87Z+P bF7X/Pq8ZJPhqgvn6dAuNO2GWl/EpR9h5ne+TI7cEL84bqgAfaqRQjdqnyJdnc6X gg2eP8U7dff0CO9jR4JJHt1PckFrb/r6cwsCg9WlYbu+MBXj8mCXJzo0PvXHM9ea uLVXjEDdN8RV9kqypiiDiLpWxdaDBZqwD14yvdOfTYSXW/S/Ai8txPjlD2NqaqJE v+WikKx5xk3wUx4ul+v21cj3Xm1IClxl30UULyvznZGm5MqNHf/Nh+t/2ehgVslS CyzybTooPUv5qDkvlOPV+0ipG4UEask6NU80mNE90f27g9d5JhghOD2OgFKjiNLH hhzBwzz2innAetUGUI92suwYpXf3MyJqLnXdS9aGOQTT/lS68zMYRzCQvNwebT1K RzRzzPIywb2oegonGMCc6Y2aokC3dMmlyXaAkzmZD4rgjGjU8Q4i4iAvgqgAsRzu ZJdWtLqmc9IzFjWLDS1ThvojvXWSqtp/o08teaSw8Wv259svK8sfOm5/2K5zFKdk AmE9XGUvw/1zolMRomOMUkvvbDH9M7vBzeQbQqPwBBHAnz75HO8= =4S/7 -----END PGP SIGNATURE----- --zfSPj0+0wxNpTjLN-- --===============9009579722167363084== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============9009579722167363084==--