From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Thu, 24 Nov 2011 16:53:44 +0000 Subject: cpu_pm breaks 3.2 boot on platforms with cascading GICs In-Reply-To: <4ECE7313.8070104@arm.com> References: <20111124161336.GB22031@mudshark.cambridge.arm.com> <4ECE7313.8070104@arm.com> Message-ID: <20111124165343.GD22031@mudshark.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Nov 24, 2011 at 04:38:43PM +0000, Marc Zyngier wrote: > On 24/11/11 16:13, Will Deacon wrote: > > > > I'm not sure how you want to handle this. Clearly you should only register one > > notifier for the GIC, but it does need to handle the cascading situation > > properly. > > > > This affects current mainline, so we need a solution for 3.2. > > I quickly hacked the attached patch, which allows me to boot on PB11MP. Great, this fixes my boot problem, thanks! I can't confirm the cpu_pm stuff works correctly, but it looks like the notifier walks all of the GICs anyway. Tested-by: Will Deacon Will