On Mon, 12 Aug 2013 19:55:35 +0200, you wrote: > > From: drivers/net/ethernet/realtek/8139cp.c > [snip] > > If I comment the assignment to pci_using_dac, the compiler issues > warnings, but it makes no visible difference to assign 1 or 0. > > If I had real hardware what could I brake by playing with this code? > Does the following help: <URL:http://en.wikipedia.org/wiki/Conventional_PCI#Dual-cycle_address> On real hardware, when using a PCI bus, setting the PCIDAC flag in 8139cp.c is intended to signify that 64-bit addressing is being used. -- Gareth Davies, Lotwillow Ltd _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
