Message ID | 20190704134842.7900-1-radoslawx.tyl@intel.com |
---|---|
State | Accepted |
Delegated to: | Jeff Kirsher |
Headers | show |
Series | ixgbevf: Link lost in VM on ixgbevf when restoring from freeze or suspend | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Radoslaw Tyl > Sent: Thursday, July 4, 2019 6:49 AM > To: intel-wired-lan@lists.osuosl.org > Subject: [Intel-wired-lan] [PATCH] ixgbevf: Link lost in VM on ixgbevf when > restoring from freeze or suspend > > This patch fixed issue in VM which shows no link when hypervisor is restored > from low-power state. The driver is responsible for reenabling any features > of the device that had been disabled during suspend calls, such as IRQs and > bus mastering. > > Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com> > --- > drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 1 + > 1 file changed, 1 insertion(+) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index d189ed247665..e1b7fa9c39d6 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2514,6 +2514,7 @@ void ixgbevf_reinit_locked(struct ixgbevf_adapter *adapter) msleep(1); ixgbevf_down(adapter); + pci_set_master(adapter->pdev); ixgbevf_up(adapter); clear_bit(__IXGBEVF_RESETTING, &adapter->state);
This patch fixed issue in VM which shows no link when hypervisor is restored from low-power state. The driver is responsible for reenabling any features of the device that had been disabled during suspend calls, such as IRQs and bus mastering. Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com> --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 1 + 1 file changed, 1 insertion(+)