On 11/24/07, Alan Cox <[EMAIL PROTECTED]> wrote: > On Fri, 23 Nov 2007 21:10:39 -0800 > Greg KH <[EMAIL PROTECTED]> wrote: > > > On Fri, Nov 23, 2007 at 05:24:31PM -0700, Grant Likely wrote: > > > From: Peter Korsgaard <[EMAIL PROTECTED]> > > > > > > Some multi-role (host/peripheral) USB controllers use a shared interrupt > > > line for all parts of the chip. Export usb_hcd_irq so drivers can call it > > > from their interrupt handler instead of duplicating code. > > > Drivers pass an irqnum of 0 to usb_add_hcd to signal that the interrupt > > > handler > > > shouldn't be registerred by the core. > > > > What about for platforms where irq 0 is a valid irq? > > There are no such platforms. Linus made that absolutely clear every time > this came up before > > 0 - No IRQ > > A platform with a physical or bus IRQ of 0 needs to remap it to a > different constant.
Regardless, I should probably use the NO_IRQ macro instead. g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. [EMAIL PROTECTED] (403) 399-0195 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
