From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752155AbbCNSoo (ORCPT ); Sat, 14 Mar 2015 14:44:44 -0400 Received: from aso-006-i438.relay.mailchannels.net ([23.91.64.119]:12934 "EHLO relay.mailchannels.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751491AbbCNSol (ORCPT ); Sat, 14 Mar 2015 14:44:41 -0400 X-Sender-Id: duocircle|x-authuser|jac299792458 X-Sender-Id: duocircle|x-authuser|jac299792458 X-MC-Relay: Neutral X-MailChannels-SenderId: duocircle|x-authuser|jac299792458 X-MailChannels-Auth-Id: duocircle X-MC-Loop-Signature: 1426358673663:2532788951 X-MC-Ingress-Time: 1426358673663 X-Mail-Handler: DuoCircle Outbound SMTP X-Originating-IP: 72.84.113.125 X-Report-Abuse-To: abuse@duocircle.com (see https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information for abuse reporting information) X-MHO-User: U2FsdGVkX1/Gnk1RsxoAJpWcko35qp+KirIeu7MOeAo= X-DKIM: OpenDKIM Filter v2.6.8 io 5F5CA80169 Date: Sat, 14 Mar 2015 18:44:20 +0000 From: Jason Cooper To: Hanjun Guo Cc: Catalin Marinas , "Rafael J. Wysocki" , Will Deacon , Olof Johansson , Grant Likely , Lorenzo Pieralisi , Arnd Bergmann , Mark Rutland , Graeme Gregory , Sudeep Holla , Jon Masters , Marc Zyngier , Mark Brown , Robert Richter , Timur Tabi , Ashwin Chaugule , suravee.suthikulpanit@amd.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Tomasz Nowicki , Thomas Gleixner Subject: Re: [PATCH v10 16/21] irqchip: Add GICv2 specific ACPI boot support Message-ID: <20150314184420.GT21998@io.lakedaemon.net> References: <1426077587-1561-1-git-send-email-hanjun.guo@linaro.org> <1426077587-1561-17-git-send-email-hanjun.guo@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1426077587-1561-17-git-send-email-hanjun.guo@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-AuthUser: jac299792458 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 11, 2015 at 08:39:42PM +0800, Hanjun Guo wrote: > From: Tomasz Nowicki > > ACPI kernel uses MADT table for proper GIC initialization. It needs to > parse GIC related subtables, collect CPU interface and distributor > addresses and call driver initialization function (which is hardware > abstraction agnostic). In a similar way, FDT initialize GICv1/2. > > NOTE: This commit allow to initialize GICv1/2 basic functionality. > While now simple GICv2 init call is used, any further GIC features > require generic infrastructure for proper ACPI irqchip initialization. > That mechanism and stacked irqdomains to support GICv2 MSI/virtualization > extension, GICv3/4 and its ITS are considered as next steps. > > CC: Jason Cooper > CC: Marc Zyngier > CC: Thomas Gleixner > Tested-by: Suravee Suthikulpanit > Tested-by: Yijing Wang > Tested-by: Mark Langsdorf > Tested-by: Jon Masters > Tested-by: Timur Tabi > Tested-by: Robert Richter > Acked-by: Robert Richter > Reviewed-by: Grant Likely > Signed-off-by: Tomasz Nowicki > Signed-off-by: Hanjun Guo > --- > arch/arm64/include/asm/acpi.h | 2 + > arch/arm64/include/asm/irq.h | 13 +++++ > arch/arm64/kernel/acpi.c | 25 +++++++++ > drivers/irqchip/irq-gic.c | 102 +++++++++++++++++++++++++++++++++++ > drivers/irqchip/irqchip.c | 3 ++ > include/linux/acpi_irq.h | 10 ++++ > include/linux/irqchip/arm-gic-acpi.h | 31 +++++++++++ > 7 files changed, 186 insertions(+) > create mode 100644 include/linux/acpi_irq.h > create mode 100644 include/linux/irqchip/arm-gic-acpi.h Acked-by: Jason Cooper thx, Jason.