[DVB patch 54/54] ttusb-budget: use time_after_eq()

[Johannes Stezenbach]

From: Marcelo Feitoza Parisi <marcelo@xxxxxxxxxxxxxx>

Use of the time_after_eq() macro, defined at linux/jiffies.h, which deal
with wrapping correctly and are nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@xxxxxxxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>
Signed-off-by: Johannes Stezenbach <js@xxxxxxxxxxx>

 drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- linux-2.6.13-git4.orig/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c	2005-09-04 22:28:03.000000000 +0200
+++ linux-2.6.13-git4/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c	2005-09-04 22:31:06.000000000 +0200
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/errno.h>
+#include <linux/jiffies.h>
 #include <asm/semaphore.h>
 
 #include "dvb_frontend.h"
@@ -570,7 +571,8 @@ static void ttusb_handle_sec_data(struct
 				  const u8 * data, int len);
 #endif
 
-static int numpkt = 0, lastj, numts, numstuff, numsec, numinvalid;
+static int numpkt = 0, numts, numstuff, numsec, numinvalid;
+static unsigned long lastj;
 
 static void ttusb_process_muxpack(struct ttusb *ttusb, const u8 * muxpack,
 			   int len)
@@ -779,7 +781,7 @@ static void ttusb_iso_irq(struct urb *ur
 			u8 *data;
 			int len;
 			numpkt++;
-			if ((jiffies - lastj) >= HZ) {
+			if (time_after_eq(jiffies, lastj + HZ)) {
 #if DEBUG > 2
 				printk
 				    ("frames/s: %d (ts: %d, stuff %d, sec: %d, invalid: %d, all: %d)\n",

--

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