DSA: Convert repeated msleep calls to timeouts

Convert DSA msleep calls to timeout/usleep_range calls
as reported by checkpatch.pl.

Signed-off-by: Barry Grussling <barry@grussling.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index b61381887587..dadfafba64e9 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -8,6 +8,8 @@
  * (at your option) any later version.
  */
 
+#include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -42,6 +44,7 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds)
 {
         int i;
         int ret;
+        unsigned long timeout;
 
         /* Set all ports to the disabled state. */
         for (i = 0; i < 11; i++) {
@@ -50,20 +53,21 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds)
         }
 
         /* Wait for transmit queues to drain. */
-        msleep(2);
+        usleep_range(2000, 4000);
 
         /* Reset the switch. */
         REG_WRITE(REG_GLOBAL, 0x04, 0xc400);
 
         /* Wait up to one second for reset to complete. */
-        for (i = 0; i < 1000; i++) {
+        timeout = jiffies + 1 * HZ;
+        while (time_before(jiffies, timeout)) {
                 ret = REG_READ(REG_GLOBAL, 0x00);
                 if ((ret & 0xc800) == 0xc800)
                         break;
 
-                msleep(1);
+                usleep_range(1000, 2000);
         }
-        if (i == 1000)
+        if (time_after(jiffies, timeout))
                 return -ETIMEDOUT;
 
         return 0;