On Thu, 1 Jan 2009, Hin-Tak Leung wrote: > So it has... I found Documentation/usb/power-management.txt a bit brief... > and I am planning to read > http://ols.fedoraproject.org/OLS/Reprints-2008/brown-reprint.pdf > which seems to be quite relevant... It doesn't cover USB suspend/resume specifically. But maybe it will help you. > do you have any recommended readings? I have tried "use the source", > but the majority of wireless device drivers don't have any > suspend/resume hooks :-). The behavior of 2.6.26pre - somewhere in > usbcore forces unloading of all usb device drivers on suspend - was > useable. There aren't any other good documents to read, as far as I know. 2.6.28 also forces unloading of all USB drivers that don't have suspend/resume support -- that was the part of the problem which started this thread. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
