From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Thu, 12 Mar 2015 08:25:32 +0000 Subject: [PATCH v6] ARM: imx6: convert GPC to stacked domains In-Reply-To: <20150312022613.GE20455@dragon> References: <1426088672-15587-1-git-send-email-marc.zyngier@arm.com> <20150312022613.GE20455@dragon> Message-ID: <55014D7C.2030304@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Shawn, On 12/03/15 02:26, Shawn Guo wrote: > On Wed, Mar 11, 2015 at 03:44:32PM +0000, Marc Zyngier wrote: >> IMX6 has been (ab)using the gic_arch_extn to provide >> wakeup from suspend, and it makes a lot of sense to convert >> this code to use stacked domains instead. >> >> This patch does just this, updating the DT files to actually >> reflect what the HW provides. >> >> BIG FAT WARNING: because the DTs were so far lying by not >> exposing the fact that the GPC block is actually the first >> interrupt controller in the chain, kernels with this patch >> applied wont have any suspend-resume facility when booted >> with old DTs, and old kernels with updated DTs won't even boot. >> >> Tested-by: Stefan Agner >> Acked-by: Stefan Agner >> Signed-off-by: Marc Zyngier >> --- >> * From v5: >> - Added a big fat warning when an old DT is detected (as requested by Jason) >> - Allow interrupt affinity to be changed > > Marc, > > I already applied v5 [1]. Can these change become an incremental patch? Ah, my bad, I should have thought of that. I'll send this as a couple of patches your way. Sorry for the noise, M. -- Jazz is not dead. It just smells funny...