[PATCH] drivers/net/*: use time_after() and friends
They deal with wrapping correctly and are nicer to read. Also make
jiffies-holding variables unsigned long.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c
index 6a93b66..d52deb8 100644
--- a/drivers/net/arm/etherh.c
+++ b/drivers/net/arm/etherh.c
@@ -46,6 +46,7 @@
#include <linux/device.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/jiffies.h>
#include <asm/system.h>
#include <asm/ecard.h>
@@ -355,7 +356,7 @@
dma_start = jiffies;
while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
- if (jiffies - dma_start > 2*HZ/100) { /* 20ms */
+ if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
dev->name);
etherh_reset (dev);