On Thursday 10 December 2015 15:14:15 Linus Walleij wrote: > Some RealView platforms have broken outer_sync, see: > http://marc.info/?l=linux-kernel&m=144846940516899&w=2 > > We got rid of the custom barriers from the machine by disabling > outer sync, but that was just for the boardfile case. We have > to be able to do the same in the device tree case. > > Since __l2c_init() is cloning and copying the L2C vtable, > we pass an argument to this function to optionally numb > the outer sync operation if desired, before initializing > the cache. > > After this we can set up the cache correctly on the RealView > PB11MPCore, and it boots rock solid with the cache enabled. > Before this, spurious crashes would occur if we try to set > up the cache properly. > > Cc: Russell King <linux@xxxxxxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> This has the same effect as my "ARM: realview: remove private barrier implementation" patch and replaces part of that, correct? Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
