Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752347Ab3FJTzR (ORCPT ); Mon, 10 Jun 2013 15:55:17 -0400 Received: from mail-bk0-f48.google.com ([209.85.214.48]:63440 "EHLO mail-bk0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751034Ab3FJTzQ (ORCPT ); Mon, 10 Jun 2013 15:55:16 -0400 Date: Mon, 10 Jun 2013 21:55:12 +0200 From: Thierry Reding To: Jay Agarwal Cc: linux@arm.linux.org.uk, swarren@wwwdotorg.org, thierry.reding@avionic-design.de, bhelgaas@google.com, ldewangan@nvidia.com, olof@lixom.net, hdoyu@nvidia.com, pgaikwad@nvidia.com, mturquette@linaro.org, pdeschrijver@nvidia.com, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, jtukkinen@nvidia.com, kthota@nvidia.com Subject: Re: [PATCH V3 3/4] ARM: dts: tegra: Correct PCIe entry Message-ID: <20130610195511.GC25859@mithrandir> References: <1370372252-4332-1-git-send-email-jagarwal@nvidia.com> <1370372252-4332-3-git-send-email-jagarwal@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/Uq4LBwYP4y1W6pO" Content-Disposition: inline In-Reply-To: <1370372252-4332-3-git-send-email-jagarwal@nvidia.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2129 Lines: 49 --/Uq4LBwYP4y1W6pO Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jun 05, 2013 at 12:27:31AM +0530, Jay Agarwal wrote: [...] > @@ -29,7 +29,7 @@ > ranges = <0x82000000 0 0x00000000 0x00000000 0 0x00001000 /* port 0 configuration space */ > 0x82000000 0 0x00001000 0x00001000 0 0x00001000 /* port 1 configuration space */ > 0x82000000 0 0x00004000 0x00004000 0 0x00001000 /* port 2 configuration space */ > - 0x81000000 0 0 0x02000000 0 0x00010000 /* downstream I/O */ > + 0x81000000 0 0 0x02000000 0 0x00100000 /* downstream I/O */ > 0x82000000 0 0x20000000 0x20000000 0 0x10000000 /* non-prefetchable memory */ > 0xc2000000 0 0x30000000 0x30000000 0 0x10000000>; /* prefetchable memory */ That increases the I/O region size from 64 KiB to 1 MiB. Why is that necessary? I/O operations can only address 64 KiB, so I don't think adding more makes any sense. Thierry --/Uq4LBwYP4y1W6pO Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBAgAGBQJRti8fAAoJEN0jrNd/PrOhxjgQAK+1wN9vDfIequNMrEXlvb6d Js6PT0otdyJqyYIOkyLDQWX0QxL14v/OKgI0zrcWoxD/IyYNAbEfLbPK9Eu0vTEv 6rRGBzNLml1vg3DLctY07pkJ6reJGszQraqTSyRID98Hf/AfcHMAnjTU54jtvQ4j sS6Guay5XtYa+dR/3EhTIuVjv4lTPWX36DYKh2fiZeNQfKEZosnPoIVKZtWfTWHU ozdi8X24PK+5lLVeJpMgAD0/TzIOzzAFgvSqW/SdfLesIPUQk7oqk2WlHlZx75ni H9o0gujde9Fij2q3ySRNEvRiJAOMxNInGAmo9QyUPxJ928bP2x5FkFN7dcFseFZI UgPM42ZfZw+nluGQ+ILH153g/YyaSkhwY5tf01mWNe/BIgOqTQ0r0W67HuLCHm92 PPqXwL1xrXpw2QUePolgdR7gHXDGRANlq8Q9yQ2xCiS/p2bSEhZxPlZ+0q7VMWdv TtM0RJHrL6N3C0O6Wwig004mjqR8/EidoVlB54rfI9Ig74RBr2i6oMx98H9AGmkG WLgCRHyEXLmF875NOz8Bz38MsFzXhQAlAfqV0Ufxuwvti4bWb14GjOyy5wOLfxpL vV16A/f3DDkIuLnkqmi/H9FdOii3xYyF8iyfQqGl7qvkayHEebHUaodiAYc/NDBy +f0h+yfoazYuRKpjrOU3 =xmA8 -----END PGP SIGNATURE----- --/Uq4LBwYP4y1W6pO-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/