Hi, On Fri, Oct 14, 2016 at 2:54 PM, Niklas Cassel <[email protected]> wrote: > From: Niklas Cassel <[email protected]> > > dw_pcie_iatu_unroll_enabled reads a dbi_base register. > Reading any dbi_base register before pp->ops->host_init has been called > causes "imprecise external abort" on platforms like ARTPEC-6, where the > PCIe module is disabled at boot and first enabled in pp->ops->host_init. > Move dw_pcie_iatu_unroll_enabled to dw_pcie_setup_rc, since it is after > pp->ops->host_init, but before pp->iatu_unroll_enabled is actually used. > > Fixes: a0601a470537 ("PCI: designware: Add iATU Unroll feature") > Signed-off-by: Niklas Cassel <[email protected]>
This fixes the regression I've seen on i.MX6 devices in my board farm as well. Acked-by: Olof Johansson <[email protected]> Bjorn, can you please pick this up and get it sent up for 4.9-rc soon? I worry about losing bisectability if this remains broken for a while. Thanks! -Olof
