From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC Date: Thu, 14 Jan 2016 15:14:53 +0100 Message-ID: <20160114141453.GD23082@ulmo> References: <1449241037-22193-1-git-send-email-jonathanh@nvidia.com> <1449241037-22193-10-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mSxgbZZZvrAyzONB" Return-path: Content-Disposition: inline In-Reply-To: <1449241037-22193-10-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jon Hunter Cc: Philipp Zabel , Stephen Warren , Alexandre Courbot , Rafael Wysocki , Kevin Hilman , Ulf Hansson , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Vince Hsu , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org --mSxgbZZZvrAyzONB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 04, 2015 at 02:57:10PM +0000, Jon Hunter wrote: > For Tegra124 and Tegra210, the GPU partition cannot be toggled on and off > via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the > partition is simply powered up and down via an external regulator. > Describe in the PMC SoC data in which devices the GPU partition can be > controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0 register and ensure that > no one can incorrectly try to toggle the GPU partition via the > APBDEV_PMC_PWRGATE_TOGGLE_0 register. >=20 > Signed-off-by: Jon Hunter > --- > drivers/soc/tegra/pmc.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) The TRM doesn't mention anything like this. Will this be updated in the TRM as well? Thierry --mSxgbZZZvrAyzONB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJWl61dAAoJEN0jrNd/PrOh9IgP/RtUAxXToxNCJn4+XuWbLRpx P/OgmmrwJFe4pCWtt0HBk6nnvqyCCywjBXn6AE+JaE3xjHvNnfc/udjSAucO4FZM IB8BNZc4//y6PVrrNDTFET/XIG/4teuk3eMwFuHpGV9o8V9JJI3kEhjX+HD00Y7x IK1QM9VZMYvUwNUihJ0PXZgNLf5Znuw+2mlPCaK0qTmkJEf7pocNUnhRhlpuoVlo vib5JwQM1qtBjQsFAJfh73ft7WXyKi3eCAXbsUe9Zxwrn2g61SEuhfKVbpjH0IYC 3c6TjyJyam/wNgMao8uh0VsCednuKGPxJNl7nN9T78S4IOINdombWgY8tfY7w72Q dyCGUXNenFomIljKtxQqKzqG06wrEHhsaIMiKuixKv5f31lgY4j6FaBiznUzaXR3 oHyq7Qh8xjFGTkBIIuHyRCuf8Rm/g+fF08mEHx6RrNCZjRZLX1b1eCNXn9O3KewW 1WXvcaRv5Gk/UzuZbFnkGxe0GcMvmMOVaK1PPSTSSr/Is3/0kq4DtBDL/CkXP/qL TJPLKchg/dLnD3lpbwSOXn4tO8d75cNielsc+gsY2IYzLcn2z4abiy2W7fstLJ1Q WgqgW8K687iA0mflgYkvIFofdJy8QWlQSldaEOUfyEZPnvV5RfpaQ77+1uwEgHU3 93bjo7p+GWF2zD7WbuYG =BfOI -----END PGP SIGNATURE----- --mSxgbZZZvrAyzONB-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754734AbcANOPA (ORCPT ); Thu, 14 Jan 2016 09:15:00 -0500 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33427 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753283AbcANOO5 (ORCPT ); Thu, 14 Jan 2016 09:14:57 -0500 Date: Thu, 14 Jan 2016 15:14:53 +0100 From: Thierry Reding To: Jon Hunter Cc: Philipp Zabel , Stephen Warren , Alexandre Courbot , Rafael Wysocki , Kevin Hilman , Ulf Hansson , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Vince Hsu , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC Message-ID: <20160114141453.GD23082@ulmo> References: <1449241037-22193-1-git-send-email-jonathanh@nvidia.com> <1449241037-22193-10-git-send-email-jonathanh@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mSxgbZZZvrAyzONB" Content-Disposition: inline In-Reply-To: <1449241037-22193-10-git-send-email-jonathanh@nvidia.com> User-Agent: Mutt/1.5.23+102 (2ca89bed6448) (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mSxgbZZZvrAyzONB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 04, 2015 at 02:57:10PM +0000, Jon Hunter wrote: > For Tegra124 and Tegra210, the GPU partition cannot be toggled on and off > via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the > partition is simply powered up and down via an external regulator. > Describe in the PMC SoC data in which devices the GPU partition can be > controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0 register and ensure that > no one can incorrectly try to toggle the GPU partition via the > APBDEV_PMC_PWRGATE_TOGGLE_0 register. >=20 > Signed-off-by: Jon Hunter > --- > drivers/soc/tegra/pmc.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) The TRM doesn't mention anything like this. Will this be updated in the TRM as well? 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