From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 5/6] ARM: dts: sunxi: Add all CPUs in cooling maps Date: Mon, 19 Nov 2018 15:39:46 +0100 Message-ID: <20181119143946.qqipcb2c34imc2td@flea> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="e65cvqpkt4byjzbm" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Viresh Kumar Cc: Mark Rutland , Rob Herring , Chen-Yu Tsai , devicetree@vger.kernel.org, Vincent Guittot , Daniel Lezcano , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org --e65cvqpkt4byjzbm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 16, 2018 at 03:31:14PM +0530, Viresh Kumar wrote: > Each CPU can (and does) participate in cooling down the system but the > DT only captures a handful of them, normally CPU0, in the cooling maps. > Things work by chance currently as under normal circumstances its the > first CPU of each cluster which is used by the operating systems to > probe the cooling devices. But as soon as this CPU ordering changes and > any other CPU is used to bring up the cooling device, we will start > seeing failures. >=20 > Also the DT is rather incomplete when we list only one CPU in the > cooling maps, as the hardware doesn't have any such limitations. >=20 > Update cooling maps to include all devices affected by individual trip > points. >=20 > Signed-off-by: Viresh Kumar Applied, thanks! Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --e65cvqpkt4byjzbm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCW/LLMgAKCRDj7w1vZxhR xRtJAQDOkaLC6alOxQ7wIVemizO2wVY5u3Qkz+GeMF/6ZrXtRgEA27cm5xkG74Oy 3/4ibMTbAN4sUM/j6HQjOraKu7e+ogE= =p7xv -----END PGP SIGNATURE----- --e65cvqpkt4byjzbm--