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-rw-r--r--arch/arm/mach-ep93xx/core.c3
-rw-r--r--arch/arm/mach-ixp2000/core.c3
-rw-r--r--arch/arm/mach-ixp23xx/core.c4
-rw-r--r--arch/arm/mach-ixp4xx/common.c2
-rw-r--r--arch/arm/plat-omap/timer32k.c3
5 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index dcd417625389..d0eb364fc014 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -103,7 +103,8 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
103 write_seqlock(&xtime_lock); 103 write_seqlock(&xtime_lock);
104 104
105 __raw_writel(1, EP93XX_TIMER1_CLEAR); 105 __raw_writel(1, EP93XX_TIMER1_CLEAR);
106 while (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time 106 while ((signed long)
107 (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time)
107 >= TIMER4_TICKS_PER_JIFFY) { 108 >= TIMER4_TICKS_PER_JIFFY) {
108 last_jiffy_time += TIMER4_TICKS_PER_JIFFY; 109 last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
109 timer_tick(regs); 110 timer_tick(regs);
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 6e8d504aca55..186f632035b8 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -211,7 +211,8 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
211 /* clear timer 1 */ 211 /* clear timer 1 */
212 ixp2000_reg_wrb(IXP2000_T1_CLR, 1); 212 ixp2000_reg_wrb(IXP2000_T1_CLR, 1);
213 213
214 while ((next_jiffy_time - *missing_jiffy_timer_csr) > ticks_per_jiffy) { 214 while ((signed long)(next_jiffy_time - *missing_jiffy_timer_csr)
215 >= ticks_per_jiffy) {
215 timer_tick(regs); 216 timer_tick(regs);
216 next_jiffy_time -= ticks_per_jiffy; 217 next_jiffy_time -= ticks_per_jiffy;
217 } 218 }
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index affd1d5d7440..e2aad734080e 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -334,7 +334,7 @@ void __init ixp23xx_init_irq(void)
334/************************************************************************* 334/*************************************************************************
335 * Timer-tick functions for IXP23xx 335 * Timer-tick functions for IXP23xx
336 *************************************************************************/ 336 *************************************************************************/
337#define CLOCK_TICKS_PER_USEC CLOCK_TICK_RATE / (USEC_PER_SEC) 337#define CLOCK_TICKS_PER_USEC (CLOCK_TICK_RATE / USEC_PER_SEC)
338 338
339static unsigned long next_jiffy_time; 339static unsigned long next_jiffy_time;
340 340
@@ -353,7 +353,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
353{ 353{
354 /* Clear Pending Interrupt by writing '1' to it */ 354 /* Clear Pending Interrupt by writing '1' to it */
355 *IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND; 355 *IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
356 while ((*IXP23XX_TIMER_CONT - next_jiffy_time) > LATCH) { 356 while ((signed long)(*IXP23XX_TIMER_CONT - next_jiffy_time) >= LATCH) {
357 timer_tick(regs); 357 timer_tick(regs);
358 next_jiffy_time += LATCH; 358 next_jiffy_time += LATCH;
359 } 359 }
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 00b761ff0f9c..bf25a76e9bdf 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -276,7 +276,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs
276 /* 276 /*
277 * Catch up with the real idea of time 277 * Catch up with the real idea of time
278 */ 278 */
279 while ((*IXP4XX_OSTS - last_jiffy_time) > LATCH) { 279 while ((signed long)(*IXP4XX_OSTS - last_jiffy_time) >= LATCH) {
280 timer_tick(regs); 280 timer_tick(regs);
281 last_jiffy_time += LATCH; 281 last_jiffy_time += LATCH;
282 } 282 }
diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index b2a943bf11ef..3461a6c9665c 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -210,7 +210,8 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
210 210
211 now = omap_32k_sync_timer_read(); 211 now = omap_32k_sync_timer_read();
212 212
213 while (now - omap_32k_last_tick >= OMAP_32K_TICKS_PER_HZ) { 213 while ((signed long)(now - omap_32k_last_tick)
214 >= OMAP_32K_TICKS_PER_HZ) {
214 omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ; 215 omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ;
215 timer_tick(regs); 216 timer_tick(regs);
216 } 217 }