[Intel-wired-lan] [next PATCH S49 15/15] i40evf: avoid an extra msleep while waiting for reset
Bimmy Pujari
bimmy.pujari at intel.com
Thu Sep 29 17:11:35 UTC 2016
From: Jacob Keller <jacob.e.keller at intel.com>
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.
Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
Change-ID: Ib2086f0a142402b614f67846bc091754203a0b9a
---
HSD-number: 10020117
drivers/net/ethernet/intel/i40evf/i40evf_main.c | 8 +++++---
1 file 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 2099517..8b37556 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;
--
2.4.11
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