On Mon, Aug 29, 2011 at 11:52:20AM +0530, ABRAHAM, KISHON VIJAY wrote: > > + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); > > the irqflag should be always IRQF_SHARED? Why not? The ISR can always check if this IRQ belongs to this device. Sebastian -- 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