3 files changed, 8 insertions, 11 deletions

diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 2acdff4c1dfe..180b3024bec3 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -174,6 +174,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
 static struct clock_event_device clkevt = {
         .name           = "at91_tick",
         .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+        .shift          = 32,
         .rating         = 150,
         .set_next_event = clkevt32k_next_event,
         .set_mode       = clkevt32k_mode,
@@ -264,9 +265,11 @@ void __init at91rm9200_timer_init(void)
         at91_st_write(AT91_ST_RTMR, 1);
 
         /* Setup timer clockevent, with minimum of two ticks (important!!) */
+        clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift);
+        clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt);
+        clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1;
         clkevt.cpumask = cpumask_of(0);
-        clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK,
-                                        2, AT91_ST_ALMV);
+        clockevents_register_device(&clkevt);
 
         /* register clocksource */
         clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK);
diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c
index 13cdbcd48f51..c7d670d11802 100644
--- a/arch/arm/mach-at91/at91sam9n12.c
+++ b/arch/arm/mach-at91/at91sam9n12.c
@@ -223,13 +223,7 @@ static void __init at91sam9n12_map_io(void)
         at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE);
 }
 
-void __init at91sam9n12_initialize(void)
-{
-        at91_extern_irq = (1 << AT91SAM9N12_ID_IRQ0);
-}
-
 AT91_SOC_START(at91sam9n12)
         .map_io = at91sam9n12_map_io,
         .register_clocks = at91sam9n12_register_clocks,
-        .init = at91sam9n12_initialize,
 AT91_SOC_END
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 31df12029c4e..2bd7f51b0b82 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -179,9 +179,9 @@ extern void __iomem *at91_pmc_base;
 #define         AT91_PMC_PCR_CMD        (0x1  <<  12)           /* Command (read=0, write=1) */
 #define         AT91_PMC_PCR_DIV(n)     ((n)  <<  16)           /* Divisor Value */
 #define                 AT91_PMC_PCR_DIV0       0x0                     /* Peripheral clock is MCK */
-#define                 AT91_PMC_PCR_DIV2       0x2                     /* Peripheral clock is MCK/2 */
-#define                 AT91_PMC_PCR_DIV4       0x4                     /* Peripheral clock is MCK/4 */
-#define                 AT91_PMC_PCR_DIV8       0x8                     /* Peripheral clock is MCK/8 */
+#define                 AT91_PMC_PCR_DIV2       0x1                     /* Peripheral clock is MCK/2 */
+#define                 AT91_PMC_PCR_DIV4       0x2                     /* Peripheral clock is MCK/4 */
+#define                 AT91_PMC_PCR_DIV8       0x3                     /* Peripheral clock is MCK/8 */
 #define         AT91_PMC_PCR_EN         (0x1  <<  28)           /* Enable */
 
 #endif