CSR18_PIFS 371 drivers/net/wireless/ralink/rt2x00/rt2400pci.c rt2x00_set_field32(®, CSR18_PIFS, erp->pifs); CSR18_PIFS 376 drivers/net/wireless/ralink/rt2x00/rt2500pci.c rt2x00_set_field32(®, CSR18_PIFS, erp->pifs);