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authorSergey Nemov <sergey.nemov@intel.com>2018-05-18 12:58:40 +0300
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2018-06-04 20:11:14 +0300
commit06140c793db51476585ee9abf032845e221982cb (patch)
treee87b3f9b92083f17b59f935ec1304d7cd30d2de1
parent1ec2297c5cacefd9198a3cc4a27751b6a2203cf3 (diff)
downloadlinux-06140c793db51476585ee9abf032845e221982cb.tar.xz
igb: Wait 10ms just once after TX queues reset
Move 10ms sleep out of function resetting TX queue. Reset all the TX queues in one turn and wait for all of them just once. Use usleep_range() instead of mdelay() in order not to affect transmission on other interfaces. Signed-off-by: Sergey Nemov <sergey.nemov@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 20b728218d20..c33821d2afb3 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4055,11 +4055,6 @@ void igb_configure_tx_ring(struct igb_adapter *adapter,
u64 tdba = ring->dma;
int reg_idx = ring->reg_idx;
- /* disable the queue */
- wr32(E1000_TXDCTL(reg_idx), 0);
- wrfl();
- mdelay(10);
-
wr32(E1000_TDLEN(reg_idx),
ring->count * sizeof(union e1000_adv_tx_desc));
wr32(E1000_TDBAL(reg_idx),
@@ -4090,8 +4085,16 @@ void igb_configure_tx_ring(struct igb_adapter *adapter,
**/
static void igb_configure_tx(struct igb_adapter *adapter)
{
+ struct e1000_hw *hw = &adapter->hw;
int i;
+ /* disable the queues */
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ wr32(E1000_TXDCTL(adapter->tx_ring[i]->reg_idx), 0);
+
+ wrfl();
+ usleep_range(10000, 20000);
+
for (i = 0; i < adapter->num_tx_queues; i++)
igb_configure_tx_ring(adapter, adapter->tx_ring[i]);
}