be2net: replace udelay() with schedule_timeout() in mbox polling

As mbox polling is done only in process context, it is better to
use schedule_timeout() instead of udelay().

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 9e305d7fb4bd..ce437b639cf8 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -186,7 +186,7 @@ static int be_mcc_notify_wait(struct be_adapter *adapter)
 
 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
 {
-        int cnt = 0, wait = 5;
+        int msecs = 0;
         u32 ready;
 
         do {
@@ -201,15 +201,14 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
                 if (ready)
                         break;
 
-                if (cnt > 4000000) {
+                if (msecs > 4000) {
                         dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
                         return -1;
                 }
 
-                if (cnt > 50)
-                        wait = 200;
-                cnt += wait;
-                udelay(wait);
+                set_current_state(TASK_INTERRUPTIBLE);
+                schedule_timeout(msecs_to_jiffies(1));
+                msecs++;
         } while (true);
 
         return 0;