[GIT PULL] temporarily disable rk3288-smp
olof at lixom.net
Thu Dec 4 23:35:30 PST 2014
On Fri, Nov 28, 2014 at 12:37:01PM +0100, Arnd Bergmann wrote:
> On Saturday 22 November 2014, Heiko Stübner wrote:
> > it looks like not all bootloaders like the recently introduced
> > rk3288-smp-support. Uninitialized CNTVOFF registers of the
> > architected timer produce rcu stalls on some boards.
> > Both Olof and Kevin were affected by this. On Kevin's board
> > we could simply upgrade u-boot to a version behaving correctly
> > while Olof's board uses coreboot where no fix for this exists
> > currently. Also as far as I know Olof's board is the only one
> > in circulation using coreboot, but it would still be nice to keep
> > the boot tests working for the time being.
> > There exist an alternative approach for solving issues like this
> > consisting of
> > - clocksource: arch_timer: Fix code to use physical timers when requested 
> > - clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers 
> > So to keep Olof's boottests working, disable the rk3288-smp until this
> > gets sorted. Interested parties with a working bootloader can of course
> > always simply re-insert the enable-method to have working smp.
> Pulled into next/dt, thanks!
And I've just now reverted the disablement patch since I picked up those two
dependencies. Thanks, all.
More information about the Linux-rockchip