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?
> + if (pcie_get_readrq(dev) > 256) {
> + pr_info("limiting mrrs to 256\n");
> + pcie_set_readrq(dev, 256);
The pr_info should either go away, or at least print the PCI bdf..
Jason
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