[PATCH RESEND] PCI: mvebu: Dynamically detect if the PEX link is up to enable hot plug

[Jason Cooper]

On Tue, Oct 01, 2013 at 11:58:00AM -0600, Jason Gunthorpe wrote:
> Otherwise hotplugging the PEX doesn't work at all since the driver
> detects the link state at probe time. Simply replacing the two tests
> of haslink with a register read is enough to fix it.
> 
> Tested on kirkwood with repeated plug/unplug of the link partner.
> 
> Signed-off-by: Jason Gunthorpe <jgunthorpe at obsidianresearch.com>
> ---
>  drivers/pci/host/pci-mvebu.c | 16 ++--------------
>  1 file changed, 2 insertions(+), 14 deletions(-)

Applied to mvebu/drivers with Thomas' Ack and Tested-by.

thx,

Jason.