On Thu, Aug 09, 2007 at 04:37:27PM -0500, Nathan Lynch wrote: > The pasemi pci configuration space write method reads the written > location immediately after the write is performed, presumably in order > to flush the write. However, configuration space writes are not > allowed to be posted, making these reads gratuitous. Furthermore, > this behavior potentially causes us to violate the PCI PM spec when > changing between e.g. D0 and D3 states, because a delay of up to 10ms > may be required before the OS accesses configuration space after the > write which initiates the transition. > > Remove the unnecessary reads from pa_pxp_write_config.
Thanks! > Signed-off-by: Nathan Lynch <[EMAIL PROTECTED]> Acked-by: Olof Johansson <[EMAIL PROTECTED]> -Olof _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
