usb: fix ipw.c build error, select USB_SERIAL_WWAN
USB_SERIAL_IPW needs to select USB_SERIAL_WWAN to fix build errors:
ipw.c:(.text+0x333841): undefined reference to `usb_wwan_close'
ipw.c:(.text+0x3339e6): undefined reference to `usb_wwan_open'
ipw.c:(.text+0x333bb9): undefined reference to `usb_wwan_release'
drivers/built-in.o:(.data+0x29dac): undefined reference to `usb_wwan_startup'
drivers/built-in.o:(.data+0x29db4): undefined reference to `usb_wwan_disconnect'
drivers/built-in.o:(.data+0x29dd4): undefined reference to `usb_wwan_write'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index b71e309..677f577 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -252,6 +252,7 @@
config USB_SERIAL_IPW
tristate "USB IPWireless (3G UMTS TDD) Driver"
+ select USB_SERIAL_WWAN
help
Say Y here if you want to use a IPWireless USB modem such as
the ones supplied by Axity3G/Sentech South Africa.