On Fri, Sep 21, 2012 at 12:43 AM, Rajaram R <rajaram.officemail@xxxxxxxxx> wrote: > On Thu, Sep 20, 2012 at 9:38 PM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: >> >> On Thu, Sep 20, 2012 at 11:23 PM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: >> > >> > I will try to study 'lsusb' to see if there is one problem and try to >> > solve it. >> >> If what you concern is about accessing device via libusb, it should be >> OK since the device will be resumed in its open() and suspended in >> its close(). >> >> Could you let me know if there is other thing which may cause 'lsusb' >> mess if we change hub's autosuspend delay as 0? > > Did you try a fast connect and disconnect of a USB Stick( Mass > Storage) ? I just did it, and there is no any problem from the view of usb hub function. > Does it enumerate/mount properly everytime? Sometimes it may enumerate not successfully because it is disconnected during enumeration. But it is nothing to do with the patch because it may happen without the patch. If you need a log, I can provide it to you since it is a bit big. Thanks, -- Ming Lei -- 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
