From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Thu, 12 Mar 2015 10:14:29 +0000 Subject: [PATCH v10 16/21] irqchip: Add GICv2 specific ACPI boot support In-Reply-To: <20150311231141.GG21998@io.lakedaemon.net> References: <1426077587-1561-1-git-send-email-hanjun.guo@linaro.org> <1426077587-1561-17-git-send-email-hanjun.guo@linaro.org> <20150311231141.GG21998@io.lakedaemon.net> Message-ID: <55016705.5010406@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/03/15 23:11, Jason Cooper wrote: > Hey Grant, > > On Wed, Mar 11, 2015 at 06:04:50PM +0000, Grant Likely wrote: >> On 11 Mar 2015 12:42, "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 >> >> BTW, Thomas is taking a bit of a break, do he is unlikely to give an ack >> here in a timely manner. I've not heard from Jason. Personally, I think we >> can proceed without their ack if everything else is in order (heck, I used >> to help with the irq subsystem, use me as an ack of you want). The patch is >> low impact and only had effect for ARM ACPI builds. > > I'm not talking much, but I am tracking and collecting everything for irqchip. > We do have some other changes in this driver this time around. So it'd be nice > if I could take this. > > I had reached out to Olof for his thoughts on this and he hasn't had enough > cycles to look at it. iirc, Marc reviewed a previous version and was happy with > the changes. FWIW, and given the prominent "NOTE" in the commit message, please have my: Acked-by: Marc Zyngier Thanks, M. -- Jazz is not dead. It just smells funny...