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>

4 files changed, 34 insertions, 18 deletions

diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index 637373cebf78..8548f8d9f75e 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.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>
@@ -66,6 +68,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
 {
         int i;
         int ret;
+        unsigned long timeout;
 
         /* Set all ports to the disabled state. */
         for (i = 0; i < 6; i++) {
@@ -74,20 +77,21 @@ static int mv88e6060_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, 0x0a, 0xa130);
 
         /* 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 & 0x8000) == 0x0000)
                         break;
 
-                msleep(1);
+                usleep_range(1000, 2000);
         }
-        if (i == 1000)
+        if (time_after(jiffies, timeout))
                 return -ETIMEDOUT;
 
         return 0;
diff --git a/drivers/net/dsa/mv88e6123_61_65.c b/drivers/net/dsa/mv88e6123_61_65.c
index a644fc9fe093..41ee5b6ae917 100644
--- a/drivers/net/dsa/mv88e6123_61_65.c
+++ b/drivers/net/dsa/mv88e6123_61_65.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>
@@ -50,6 +52,7 @@ static int mv88e6123_61_65_switch_reset(struct dsa_switch *ds)
 {
         int i;
         int ret;
+        unsigned long timeout;
 
         /* Set all ports to the disabled state. */
         for (i = 0; i < 8; i++) {
@@ -58,20 +61,21 @@ static int mv88e6123_61_65_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;
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;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index d436668cb515..afe7d80001e2 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.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>
@@ -196,14 +198,15 @@ int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val)
 static int mv88e6xxx_ppu_disable(struct dsa_switch *ds)
 {
         int ret;
-        int i;
+        unsigned long timeout;
 
         ret = REG_READ(REG_GLOBAL, 0x04);
         REG_WRITE(REG_GLOBAL, 0x04, ret & ~0x4000);
 
-        for (i = 0; i < 1000; i++) {
+        timeout = jiffies + 1 * HZ;
+        while (time_before(jiffies, timeout)) {
                 ret = REG_READ(REG_GLOBAL, 0x00);
-                msleep(1);
+                usleep_range(1000, 2000);
                 if ((ret & 0xc000) != 0xc000)
                         return 0;
         }
@@ -214,14 +217,15 @@ static int mv88e6xxx_ppu_disable(struct dsa_switch *ds)
 static int mv88e6xxx_ppu_enable(struct dsa_switch *ds)
 {
         int ret;
-        int i;
+        unsigned long timeout;
 
         ret = REG_READ(REG_GLOBAL, 0x04);
         REG_WRITE(REG_GLOBAL, 0x04, ret | 0x4000);
 
-        for (i = 0; i < 1000; i++) {
+        timeout = jiffies + 1 * HZ;
+        while (time_before(jiffies, timeout)) {
                 ret = REG_READ(REG_GLOBAL, 0x00);
-                msleep(1);
+                usleep_range(1000, 2000);
                 if ((ret & 0xc000) == 0xc000)
                         return 0;
         }