Re: [PATCH] PCI: keystone: add a pci quirk to limit mrrs

[Jason Gunthorpe]

On Wed, Aug 06, 2014 at 12:56:04PM -0400, Murali Karicheri wrote:
> On 08/06/2014 12:30 PM, Jason Gunthorpe wrote:
> >On Wed, Aug 06, 2014 at 11:18:20AM -0400, Murali Karicheri wrote:
> >>Keystone PCI controller has a limitation that memory read request
> >>size must not exceed 256 bytes. This is a hardware limitation and
> >>add a quirk to force this limit on all downstream devices by
> >>updating mrrs.
> >
> >Does this still work if the tuning is enabled, or does the tuning run
> >after this?
> 
> Yes it works with tuning enabled. Tuning happens afterwards. The
> 'limiting mrrs to 256' below is from my patch.

That seems backwards to me...

Jason
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/