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i40evf: enable bus master after reset 

If the VF is reset via VFLR, the device will be knocked out of bus
master mode, and the driver will fail to recover from the reset. Fix
this by enabling bus mastering after every reset. In a non-VFLR case,
the bus master bit will not be disabled, and this call will have no effect.

Change-ID: Id515859ac7a691db478222228add6d149e96801a
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams 2015-12-23 12:05:52 -08:00 committed by Jeff Kirsher
parent 1d73b2db4b
commit 509a447ae8
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/intel/i40evf/i40evf_main.c
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@ -1837,6 +1837,7 @@ static void i40evf_reset_task(struct work_struct *work)
break;
msleep(I40EVF_RESET_WAIT_MS);
}
pci_set_master(adapter->pdev);
/* extra wait to make sure minimum wait is met */
msleep(I40EVF_RESET_WAIT_MS);
if (i == I40EVF_RESET_WAIT_COUNT) {