On Sun, 2016-06-26 at 18:42 +0100, Darren Stevens wrote: > > commit d6a9996e84ac4beb7713e9485f4563e100a9b03e > powerpc/mm: vmalloc abstraction in preparation for radix > > This commit introduced variables for some linux kernel addresses that had > before been constants, unfortunately this stopped PaSemi PA6T systems(*) from > booting as they call ioremap to map SoC registers before the mmu is > initialised. The > attached patch adds a hard-coded init of pci_io_base to the pas_init_early() > function which which allows the kernel to boot normally.
Tell me more, when is that mapping done ? I'm changing things so that platform probe is called much later so that might have an impact. What consumes pci_io_base before it's been initialized ? > The value will be harmlessly set again once pci starts up. > > (*) At the moment this has only been tested on an AmigaOneX1000, but I > expect PaSemi > reference systems to have been affected in the same way. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
