On Thu, Oct 28, 2010 at 09:07:55AM +0800, Huang, FrankR wrote: > Florian and Martin, > > From the mail, I am not quite clear about the malfunction condition of your device on USB device with 5536. > Several monthes ago, I fixed a bug for the CS5536 USB part. That board uses an USB mouse/keyboard and some minutes later after linux boots up, the USB device will hang and does not respond to OS. > I add a patch to the OHCI driver in ohci_irq() at that time. It is because the interrupt status bit can not be cleared that leads to this bug. > The patch is as below. You can check the interrupt function(OHCI and EHCI) to find the root cause for your bug. Hope it helps. > Can you provide this patch in a format that I can apply it in? Please read the file, Documentation/SubmittingPatches for how to create it in the correct way. > --- drivers/usb/host/ohci-hcd.c 2009-11-18 08:39:29.000000000 +0800 > +++ /home/frankr/lemote/linglong-1113/drivers/usb/host/ohci-hcd.c 2009-12-31 18:18:11.000000000 +0800 2009? What kernel version are you generating this diff against? thanks, greg k-h -- 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
