linux-kernel - [PATCH 10/14] drivers/net/tokenring/3c359.c: Use time

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Message-Id: <1203003412-11594-11-git-send-email-caglar@pardus.org.tr>
Date:	Thu, 14 Feb 2008 17:36:48 +0200
From:	S.Çağlar Onur <caglar@...dus.org.tr>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org,
	S.Çağlar Onur <caglar@...dus.org.tr>
Subject: [PATCH 10/14] drivers/net/tokenring/3c359.c: Use time_* macros

The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values.

So following patch implements usage of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly

Cc: netdev@...r.kernel.org
Signed-off-by: S.Çağlar Onur <caglar@...dus.org.tr>
---
 drivers/net/tokenring/3c359.c |   21 +++++++++++----------
 1 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c
index 44a06f8..88fe955 100644
--- a/drivers/net/tokenring/3c359.c
+++ b/drivers/net/tokenring/3c359.c
@@ -42,6 +42,7 @@
 
 #define XL_DEBUG 0
 
+#include <linux/jiffies.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -408,7 +409,7 @@ static int xl_hw_reset(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 40*HZ) {
+		if(time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL  card not responding to global reset.\n", dev->name);
 			return -ENODEV;
 		}
@@ -519,7 +520,7 @@ static int xl_hw_reset(struct net_device *dev)
 	t=jiffies;
 	while ( !(readw(xl_mmio + MMIO_INTSTATUS_AUTO) & INTSTAT_SRB) ) { 
 		schedule();		
-		if(jiffies-t > 15*HZ) {
+		if(time_after(jiffies, t + 15 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			return -ENODEV; 
 		}
@@ -790,7 +791,7 @@ static int xl_open_hw(struct net_device *dev)
 	t=jiffies;
 	while (! (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_SRB)) { 
 		schedule();		
-		if(jiffies-t > 40*HZ) {
+		if(time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			break ; 
 		}
@@ -1003,7 +1004,7 @@ static void xl_reset(struct net_device *dev)
 
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
-		if(jiffies-t > 40*HZ) {
+		if(time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR "3COM 3C359 Velocity XL  card not responding.\n");
 			break ; 
 		}
@@ -1270,7 +1271,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNSTALL not responding.\n", dev->name);
 			break ; 
 		}
@@ -1279,7 +1280,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNDISABLE not responding.\n", dev->name);
 			break ;
 		}
@@ -1288,7 +1289,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-UPSTALL not responding.\n", dev->name);
 			break ; 
 		}
@@ -1305,7 +1306,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (!(readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_SRB)) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-CLOSENIC not responding.\n", dev->name);
 			break ; 
 		}
@@ -1334,7 +1335,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-UPRESET not responding.\n", dev->name);
 			break ; 
 		}
@@ -1343,7 +1344,7 @@ static int xl_close(struct net_device *dev)
 	t=jiffies;
 	while (readw(xl_mmio + MMIO_INTSTATUS) & INTSTAT_CMD_IN_PROGRESS) { 
 		schedule();		
-		if(jiffies-t > 10*HZ) {
+		if(time_after(jiffies, t + 10 * HZ)) {
 			printk(KERN_ERR "%s: 3COM 3C359 Velocity XL-DNRESET not responding.\n", dev->name);
 			break ; 
 		}
-- 
1.5.3.7

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