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net/mlx5e: Wait for RX buffers initialization in a more proper manner 

Use jiffies rather than wait loop with msleep().

The wait loop didn't take into consideration time when the
process was not executing.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Achiad Shochat 2015-11-03 08:07:19 +02:00 committed by David S. Miller
parent a198574090
commit 01c196a2d3
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -442,12 +442,12 @@ static void mlx5e_disable_rq(struct mlx5e_rq *rq)
static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq)
{
unsigned long exp_time = jiffies + msecs_to_jiffies(20000);
struct mlx5e_channel *c = rq->channel;
struct mlx5e_priv *priv = c->priv;
struct mlx5_wq_ll *wq = &rq->wq;
int i;
for (i = 0; i < 1000; i++) {
while (time_before(jiffies, exp_time)) {
if (wq->cur_sz >= priv->params.min_rx_wqes)
return 0;