USB_NET_DRV = 'pegasus|kaweth|cdcether|rtl8150|catc|usbnet|eagle-usb|atmel|asix' : ''
+NET_DRV    = '(RE:USB_NET_DRV)' : ''

USB_EXTRA_DRV = 'keyboard|storage|printer|belkin_sa|cyberjack|digi_acceleport|empeg|ftdi_sio|io_edgeport|io_ti|ipaq|ir-usb|keyspan|keyspan_pda|kl5kusb105|kobil_sct|mct_u232|omninet|pl2303|visor|whitehead|cdc-acm' : ''

USB_LOW= 'ehci|uhci|ohci' : ''
+USB_LOW(KERNEL_VERSION=~'^2\.4\..*$') = 'uhci-alt' : ''

USB_LOWLEVEL= '' : ''
+USB_LOWLEVEL(KERNEL_VERSION=~'^2\.6\..*$') = '(RE:USB_LOW)([[:space:]]+(RE:USB_LOW))*' : 'no valid usb lowlevel driver, should be uhci, ohci, ehci'
+USB_LOWLEVEL(KERNEL_VERSION=~'^2\.4\..*$') = '(RE:USB_LOW)([[:space:]]+(RE:USB_LOW))*' : 'no valid usb lowlevel driver, should be uhci, ohci, ehci, uhci-alt'