From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752781AbcEDQMC (ORCPT ); Wed, 4 May 2016 12:12:02 -0400 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:23593 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752468AbcEDQMB (ORCPT ); Wed, 4 May 2016 12:12:01 -0400 X-IronPort-AV: E=Sophos;i="5.24,577,1455004800"; d="scan'208";a="94189115" Subject: Re: [PATCH 1/2] dt-bindings: arm,gic: Indtroduce optional property 'arm,msi-offset-spi' for gicv2m To: Chris Brand References: <1462319245-32532-1-git-send-email-ray.jui@broadcom.com> <1462319245-32532-2-git-send-email-ray.jui@broadcom.com> Cc: Thomas Gleixner , Jason Cooper , Marc Zyngier , linux-kernel@vger.kernel.org, BCM Kernel Feedback , linux-arm-kernel@lists.infradead.org, Alex Barba From: Ray Jui Message-ID: <3997ed69-760a-9bc1-a451-d07323a6e163@broadcom.com> Date: Wed, 4 May 2016 09:11:58 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/4/2016 8:57 AM, Chris Brand wrote: > You have a typo in the subject line - "Indtroduce". Thanks, but now this patch will be gone based on review comments from Marc on PATCH 2/2. > > Chris > > On Tue, May 3, 2016 at 4:47 PM, Ray Jui wrote: >> Update the GICv2m binding document by adding an optional property >> 'arm,msi-offset-spi'. >> >> Some implementations of gicv2m have an erratum where the MSI data is >> the SPI number subtracted by an offset. This is required for the >> correct MSI interrupt to be triggered. >> >> Signed-off-by: Ray Jui >> --- >> Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt >> index 793c20f..550960f 100644 >> --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt >> +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt >> @@ -140,6 +140,12 @@ Optional properties: >> value, this property should contain the number of >> SPIs assigned to the frame, overriding the HW value. >> >> +- arm,msi-offset-spi: Some implementations of gicv2m have an erratum where >> + the MSI data is the SPI number subtracted by an offset. >> + This is required for the correct MSI interrupt to be >> + triggered. This property should contain the required >> + offset. >> + >> Example: >> >> interrupt-controller@e1101000 { >> -- >> 2.1.4 >>