On Fri, Dec 18, 2015 at 6:08 PM, Stanimir Varbanov <[email protected]> wrote: > There is no guarantees that enabling ATU will hit the hardware > immediately, and subsequent accesses to configuration / IO spaces > are reliable. So fixing this by read back PCIE_ATU_CR2 register > just after writing. > > Without such a fix the PCI device enumeration during kernel boot > is not reliable, and reading configuration space for particular > PCI device on the bus returns zero aka no device. > > Signed-off-by: Stanimir Varbanov <[email protected]>
Acked-by: Pratyush Anand <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
