Re: Resuming rt73usb wireless network dongle: ep0in 3strikes
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 4 Sep 2007, Mattias Nissler wrote: > > > And how does CONFIG_USB_PERSIST relate to all that? > > > > It doesn't come into effect unless the host controller driver > > recognizes at resume time that power was lost, which apparently didn't > > happen. There were no "root hub lost power" messages in the log. > > Ok, can you give me some pointers where in the usb code this is to be > detected and handled? I'll try to debug this, but I haven't worked with > the USB subsystem before, so any help I can get is welcome ;-) It starts in drivers/usb/host/ehci-pci.c, in ehci_pci_resume(). Look at the test for whether or not FLAG_CF is still set. But first we need to check out the USB debugging log. It will tell us whether or not this code is relevant. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel