On Monday 06 October 2014 19:21:53 Matthew Garrett wrote:
> On Mon, Oct 06, 2014 at 08:19:37PM +0200, Arnd Bergmann wrote:
>
> > Interesting. Does this also define a way to get access to registers
> > that are normally in PCI config space, provided they are accessible at
> > all?
>
> Unfortunately not. I'd assume that PM registers are expected to be
> accessed via the _PS* methods instead. Does MSI make sense outside the
> context of PCI interrupts?
Yes, the ARM GIC has a weird sense of what MSI is used for, and
apparently some SoC vendors have started using MSI by default for
all on-chip peripherals.
A patch series to extend MSI to platform devices is currently
under review.
Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
