Alan Stern wrote: > On Fri, 8 Jan 2010, Gadiyar, Anand wrote: > > > Hi all, > > > > Is it necessary that a USB device driver has to unlink all > the pending urbs it submitted before calling > usb_autopm_put_interface? (I think it is necessary but I'm not sure). > > It isn't necessary. All the driver has to do is unlink the pending > URBs in its suspend method. > Thanks Alan! The driver author had assumed that the call to usb_autopm_put_interface() would eventually call usb_hcd_flush_endpoint(), where the pending urb list would be scanned and cleared. Unlinking the pending urbs in the drivers's suspend method fixed the EHCI XACT errors I was seeing while suspending the device. - Anand -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
