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USB: serial: use generic method if no alternative is provided in usb serial layer

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This patch makes use of the generic method if a serial driver provides
no implementation. This simplifies implementing suspend/resume support
in serial drivers.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum 2009-02-06 18:06:43 +01:00 • committed by Greg Kroah-Hartman
parent 81d043c2f3
commit c49cfa9170
1 changed files with 5 additions and 2 deletions
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7
drivers/usb/serial/usb-serial.c
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@ -1085,12 +1085,15 @@ EXPORT_SYMBOL(usb_serial_suspend);
int usb_serial_resume(struct usb_interface *intf) int usb_serial_resume(struct usb_interface *intf)
{ {
struct usb_serial *serial = usb_get_intfdata(intf); struct usb_serial *serial = usb_get_intfdata(intf);
int rv;
serial->suspending = 0; serial->suspending = 0;
if (serial->type->resume) if (serial->type->resume)
return serial->type->resume(serial); rv = serial->type->resume(serial);
else
rv = usb_serial_generic_resume(serial);
return 0; return rv;
} }
EXPORT_SYMBOL(usb_serial_resume); EXPORT_SYMBOL(usb_serial_resume);