From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Tue, 14 Aug 2012 09:37:46 +0000 Subject: [GIT PULL] io.h clean-up for PCI In-Reply-To: <20120814091407.GB26070@mudshark.cambridge.arm.com> References: <50049285.1060100@gmail.com> <20120814091407.GB26070@mudshark.cambridge.arm.com> Message-ID: <201208140937.46974.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 14 August 2012, Will Deacon wrote: > On Mon, Jul 30, 2012 at 12:07:56AM +0100, Olof Johansson wrote: > > > On 07/16/2012 05:15 PM, Rob Herring wrote: > > > The following changes since commit 84a1caf1453c3d44050bd22db958af4a7f99315c: > > > > > > Linux 3.5-rc7 (2012-07-14 15:40:28 -0700) > > > > > > are available in the git repository at: > > > > > > git://sources.calxeda.com/kernel/linux.git io-cleanup-pci-v2 > > > > I have replaced the current staging/io-cleanup-pci contents with the > > above branch. Ideally I'd like to see a fix to the issues on > > integrator before we send it up though. > > I finally got to the bottom of the issues I was seeing on my integrator > board with these patches. The ATX PSU I was using doesn't have a thumping > great resistor across it and, since the board draws very little current, the > voltage is all over the shop. Of the 3 PCI slots, this made one completely > unusable, one slightly temperamental and the other `rock solid'. > > I was using the temperamental slot and the probing of the VGA console > combined with the later PCI initialisation somehow pushes it over the edge > and locks up the board. Swapping the PSU for one with an artifical load > across it makes all of the slots jump into life. > > Late in the day, but I worked for this!: > > Tested-by: Will Deacon Just to let you know, I've started getting the arm-soc tree into shape for v3.7, and the series is now scheduled for integration in the next merge window as a regular branch. Arnd