From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Date: Fri, 9 Sep 2005 20:03:15 +0000 (-0700)
Subject: [PATCH] dvb: ttusb-budget: use time_after_eq()
X-Git-Tag: v2.6.14-rc1~385
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4da006c63fb4758ee2d688aa65a461337b3ed065;p=linux-2.6

[PATCH] dvb: ttusb-budget: use time_after_eq()

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@feitoza.com.br>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index c1acd4bb34..d200ab0ad9 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -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 ttusb_channel *channel,
 				  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 *urb, struct pt_regs *ptregs)
 			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",