From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Date: Fri, 14 Mar 2014 17:33:25 +0000 Subject: Re: [PATCH] [RFC] ARM: shmobile: koelsch-reference: Work around core clock issues Message-Id: <53233D65.4050703@codethink.co.uk> List-Id: References: <1394720970-4749-1-git-send-email-geert@linux-m68k.org> In-Reply-To: <1394720970-4749-1-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On 14/03/14 16:48, Magnus Damm wrote: > Hi Ben, > > That would not surprise me. But it would trigger both for > multiplatform and legacy in such case, don't you think? > > If static enablement using the clock workaround fixes the > multiplatform case then it is most likely related to that the driver > assumes that Runtime PM controls the clock. Or perhaps some hidden > clock dependency that only triggers with CCF? It seems very sensitive to code (or possibly compiler) in some but not all cases we are seeing the system pm the device and then the driver does something that requires clocks. At the moment the depending on how much debug it either works, or does not. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius