sky2: PCI irq issues

Add some read's to avoid any PCI posting issues when controlling
irq's.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2009-06-17 07:30:34 +00:00 • committed by David S. Miller
commit 1fd82f3caf