diff options
| author |   Jacob Keller <jacob.e.keller@intel.com> | 2016-10-05 09:30:45 -0700 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-10-31 14:26:40 -0700 |
| commit | 7d3f04af69bed2db87d6a72d100e182f773e54b7 (patch) | |
| tree | da12cca751307fadc235605ee012753faeac86d0 /drivers | |
| parent | i40e: replace PTP Rx timestamp hang logic (diff) | |
| download | linux-dev-7d3f04af69bed2db87d6a72d100e182f773e54b7.tar.xz linux-dev-7d3f04af69bed2db87d6a72d100e182f773e54b7.zip | |
i40evf: avoid an extra msleep while
Remove the second call to msleep outside the loop, and move the msleep
within the loop as the first step. This guarantees that a single loop
will wait the minimum time first, and then after the reset finishes we
no longer need an extra msleep.
Change-ID: Ib2086f0a142402b614f67846bc091754203a0b9a
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index bcb1cafdf28a..db36744c6691 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1746,15 +1746,17 @@ static void i40evf_reset_task(struct work_struct *work) /* wait until the reset is complete and the PF is responding to us */ for (i = 0; i < I40EVF_RESET_WAIT_COUNT; i++) { + /* sleep first to make sure a minimum wait time is met */ + msleep(I40EVF_RESET_WAIT_MS); + reg_val = rd32(hw, I40E_VFGEN_RSTAT) & I40E_VFGEN_RSTAT_VFR_STATE_MASK; if (reg_val == I40E_VFR_VFACTIVE) 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) { struct i40evf_mac_filter *ftmp; struct i40evf_vlan_filter *fv, *fvtmp; |