From mboxrd@z Thu Jan 1 00:00:00 1970 From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) Date: Wed, 15 Jan 2014 20:54:45 +0100 Subject: v3.12 regression from "ARM: kirkwood: convert to DT irqchip and clocksource" on non-DT kirkwood platforms In-Reply-To: <1389777972.12434.115.camel@kazak.uk.xensource.com> References: <1389775235.10695.51.camel@dagon.hellion.org.uk> <52D651CD.5020307@gmail.com> <1389777972.12434.115.camel@kazak.uk.xensource.com> Message-ID: <52D6E785.4000706@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/15/2014 10:26 AM, Ian Campbell wrote: > On Wed, 2014-01-15 at 10:15 +0100, Sebastian Hesselbarth wrote: >> On 01/15/14 09:40, Ian Campbell wrote: >>> The bootlogs are below or in the bug. It stops after "Console: colour >>> dummy device 80x30", I think next would normally be the >>> BogoMIPS/calibrate_delay output. >> >> That would indicate the timer (clocksource) or irq (irqchip) is not >> running correctly. Again, that could be non-DT and DT fighting for it. >> I'll investigate that. > > That seems logical. > >> In the meantime, can you recompile your kernel and set >> CONFIG_ARCH_KIRKWOOD_DT=n ? > > I can confirm that v3.13-rc8 with CONFIG_ARCH_KIRKWOOD_DT=n works. > Ian, please try the following two patches on top of v3.13-rc8 and report back, if it solves the regression. I have tested this on a revived non-DT Kirkwood Dockstar with and without DT support enabled. I also compile tested it for Orion5x and Dove. While I will not send any patches for non-DT mach-dove boards as none of them is really used anymore, Gregory is on Cc for hopefully testing orion5x. For possible -stable patches, I know it is quite a huge patch but I didn't dare to touch arch/arm/kernel/foo for this kind of regression. Sebastian (I hope the fscking Thunderbird inlines both patches correctly) -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-ARM-orion-provide-C-style-interrupt-handler-for-MULT.patch Type: text/x-patch Size: 2724 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: 0002-ARM-kirkwood-set-C-style-handle_irq-if-MULTI_IRQ_HAN.patch Type: text/x-patch Size: 8378 bytes Desc: not available URL: