From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932933AbeB1QzX (ORCPT ); Wed, 28 Feb 2018 11:55:23 -0500 Received: from foss.arm.com ([217.140.101.70]:54056 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932082AbeB1QzT (ORCPT ); Wed, 28 Feb 2018 11:55:19 -0500 Date: Wed, 28 Feb 2018 16:54:59 +0000 Message-ID: <86woyx2gws.wl-marc.zyngier@arm.com> From: Marc Zyngier To: Sudeep Holla Cc: , , Liviu Dudau , Robin Murphy Subject: Re: [PATCH] arm64: dts: juno: fix size of GICv2m MSI frames In-Reply-To: <1519832935-7338-1-git-send-email-sudeep.holla@arm.com> References: <20180207143255.17003-3-marc.zyngier@arm.com> <1519832935-7338-1-git-send-email-sudeep.holla@arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL/10.8 EasyPG/1.0.0 Emacs/25.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Organization: ARM Ltd MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 28 Feb 2018 15:48:55 +0000, sudeep holla wrote: > > Currently the size of GICv2m MSI frames are listed as 4kB while the > Juno TRM specifies 64kB for each of these MSI frames. > > Though the devices connected themself might just use the first 4kB, > to be consistent with the genaral practice of 64kB boundary alignment > to all the devices, lets keep the size as 64kB. This might also help > in avoiding any surprise when passing the device to a VM. > > This patch increase the size of each GICv2m MSI frames from 4kB to 64kB > as per the specification. > > Cc: Liviu Dudau > Cc: Robin Murphy > Cc: Marc Zyngier > Signed-off-by: Sudeep Holla Acked-by: Marc Zyngier M. -- Jazz is not dead, it just smell funny.