Re: [net-next] pci_regs.h: Add PCI bus link speed and width defines
From: Bjorn Helgaas
Date: Fri Jan 03 2014 - 19:01:10 EST
On Fri, Jan 3, 2014 at 4:56 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Date: Fri, 3 Jan 2014 15:15:57 -0700
>> However, I do raise my eyebrows a bit at drivers that poke around in
>> the PCIe capability. I would prefer to have PCI core interfaces that
>> handle that instead. But I haven't seen Jeff's changes yet.
> The changes just read the link status to interpret the speed at which
> the PCI-E link is running at.
Several drivers want to do that. It'd be nice if somebody abstracted
that out somehow. Jacob added pcie_get_minimum_link() which is
similar. But maybe Jeff needs something more in this case.
In any case, it's not a blocker for this patch.
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