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[PATCH] Use time_before in hamradio drivers
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Use of time_before() 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: Ralf Baechle DL5RB <ralf@linux-mips.org>

 baycom_epp.c     |    3 ++-
 baycom_par.c     |    3 ++-
 baycom_ser_fdx.c |    3 ++-
 baycom_ser_hdx.c |    3 ++-
 mkiss.c          |    3 ++-
 5 files changed, 10 insertions(+), 5 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Marcelo Feitoza Parisi authored and Jeff Garzik committed Jul 31, 2005
1 parent 6b9b97c commit cd8749b
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Showing 5 changed files with 10 additions and 5 deletions.
3 changes: 2 additions & 1 deletion drivers/net/hamradio/baycom_epp.c
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@
#include <linux/kmod.h>
#include <linux/hdlcdrv.h>
#include <linux/baycom.h>
#include <linux/jiffies.h>
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
/* prototypes for ax25_encapsulate and ax25_rebuild_header */
#include <net/ax25.h>
Expand Down Expand Up @@ -287,7 +288,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
* measure the interrupt frequency
*/
bc->debug_vals.cur_intcnt++;
if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
bc->debug_vals.last_jiffies = cur_jiffies;
bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
bc->debug_vals.cur_intcnt = 0;
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3 changes: 2 additions & 1 deletion drivers/net/hamradio/baycom_par.c
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@
#include <linux/baycom.h>
#include <linux/parport.h>
#include <linux/bitops.h>
#include <linux/jiffies.h>

#include <asm/bug.h>
#include <asm/system.h>
Expand Down Expand Up @@ -165,7 +166,7 @@ static void __inline__ baycom_int_freq(struct baycom_state *bc)
* measure the interrupt frequency
*/
bc->debug_vals.cur_intcnt++;
if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
bc->debug_vals.last_jiffies = cur_jiffies;
bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
bc->debug_vals.cur_intcnt = 0;
Expand Down
3 changes: 2 additions & 1 deletion drivers/net/hamradio/baycom_ser_fdx.c
Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@
#include <asm/io.h>
#include <linux/hdlcdrv.h>
#include <linux/baycom.h>
#include <linux/jiffies.h>

/* --------------------------------------------------------------------- */

Expand Down Expand Up @@ -159,7 +160,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
* measure the interrupt frequency
*/
bc->debug_vals.cur_intcnt++;
if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
bc->debug_vals.last_jiffies = cur_jiffies;
bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
bc->debug_vals.cur_intcnt = 0;
Expand Down
3 changes: 2 additions & 1 deletion drivers/net/hamradio/baycom_ser_hdx.c
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@
#include <asm/io.h>
#include <linux/hdlcdrv.h>
#include <linux/baycom.h>
#include <linux/jiffies.h>

/* --------------------------------------------------------------------- */

Expand Down Expand Up @@ -150,7 +151,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
* measure the interrupt frequency
*/
bc->debug_vals.cur_intcnt++;
if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
bc->debug_vals.last_jiffies = cur_jiffies;
bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
bc->debug_vals.cur_intcnt = 0;
Expand Down
3 changes: 2 additions & 1 deletion drivers/net/hamradio/mkiss.c
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/jiffies.h>

#include <net/ax25.h>

Expand Down Expand Up @@ -429,7 +430,7 @@ static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
* May be we must check transmitter timeout here ?
* 14 Oct 1994 Dmitry Gorodchanin.
*/
if (jiffies - dev->trans_start < 20 * HZ) {
if (time_before(jiffies, dev->trans_start + 20 * HZ)) {
/* 20 sec timeout not reached */
return 1;
}
Expand Down

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