5 files changed, 26 insertions, 18 deletions

diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 4575f316e141..e510295c2580 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 
 #include <asm/div64.h>
+#include <asm/cnt32_to_63.h>
 #include <asm/hardware.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -118,15 +119,21 @@ EXPORT_SYMBOL(cpufreq_get);
 
 /*
  * This is the SA11x0 sched_clock implementation.  This has
- * a resolution of 271ns, and a maximum value of 1165s.
+ * a resolution of 271ns, and a maximum value of 32025597s (370 days).
+ *
+ * The return value is guaranteed to be monotonic in that range as
+ * long as there is always less than 582 seconds between successive
+ * calls to this function.
+ *
  *  ( * 1E9 / 3686400 => * 78125 / 288)
  */
 unsigned long long sched_clock(void)
 {
-        unsigned long long v;
+        unsigned long long v = cnt32_to_63(OSCR);
 
-        v = (unsigned long long)OSCR * 78125;
-        do_div(v, 288);
+        /* the <<1 gets rid of the cnt_32_to_63 top bit saving on a bic insn */
+        v *= 78125<<1;
+        do_div(v, 288<<1);
 
         return v;
 }
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index fa6dc71bd6ad..b034ad69a324 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -702,7 +702,7 @@ static u32 gpio_irq_mask[] = {
         GPIO2_SD_CON_SLT,
 };
 
-static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc)
+static void h3800_IRQ_demux(unsigned int irq, struct irq_desc *desc)
 {
         int i;
 
@@ -719,14 +719,14 @@ static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc)
                 if (0) printk("%s KPIO 0x%08X\n", __FUNCTION__, irq);
                 for (j = 0; j < H3800_KPIO_IRQ_COUNT; j++)
                         if (irq & kpio_irq_mask[j])
-                                do_edge_IRQ(H3800_KPIO_IRQ_COUNT + j, irq_desc + H3800_KPIO_IRQ_COUNT + j);
+                                handle_edge_irq(H3800_KPIO_IRQ_COUNT + j, irq_desc + H3800_KPIO_IRQ_COUNT + j);
 
                 /* GPIO2 */
                 irq = H3800_ASIC2_GPIINTFLAG;
                 if (0) printk("%s GPIO 0x%08X\n", __FUNCTION__, irq);
                 for (j = 0; j < H3800_GPIO_IRQ_COUNT; j++)
                         if (irq & gpio_irq_mask[j])
-                                do_edge_IRQ(H3800_GPIO_IRQ_COUNT + j, irq_desc + H3800_GPIO_IRQ_COUNT + j);
+                                handle_edge_irq(H3800_GPIO_IRQ_COUNT + j, irq_desc + H3800_GPIO_IRQ_COUNT + j);
         }
 
         if (i >= MAX_ASIC_ISR_LOOPS)
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index f4c6322ca33e..5642aeca079e 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -110,7 +110,7 @@ static struct irq_chip sa1100_low_gpio_chip = {
  * and call the handler.
  */
 static void
-sa1100_high_gpio_handler(unsigned int irq, struct irqdesc *desc)
+sa1100_high_gpio_handler(unsigned int irq, struct irq_desc *desc)
 {
         unsigned int mask;
 
@@ -327,19 +327,19 @@ void __init sa1100_init_irq(void)
 
         for (irq = 0; irq <= 10; irq++) {
                 set_irq_chip(irq, &sa1100_low_gpio_chip);
-                set_irq_handler(irq, do_edge_IRQ);
+                set_irq_handler(irq, handle_edge_irq);
                 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
         }
 
         for (irq = 12; irq <= 31; irq++) {
                 set_irq_chip(irq, &sa1100_normal_chip);
-                set_irq_handler(irq, do_level_IRQ);
+                set_irq_handler(irq, handle_level_irq);
                 set_irq_flags(irq, IRQF_VALID);
         }
 
         for (irq = 32; irq <= 48; irq++) {
                 set_irq_chip(irq, &sa1100_high_gpio_chip);
-                set_irq_handler(irq, do_edge_IRQ);
+                set_irq_handler(irq, handle_edge_irq);
                 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
         }
 
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 354d5e91da59..075d4d1d63be 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -29,12 +29,12 @@
  * is rather unfortunate.
  */
 static void
-neponset_irq_handler(unsigned int irq, struct irqdesc *desc)
+neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
         unsigned int irr;
 
         while (1) {
-                struct irqdesc *d;
+                struct irq_desc *d;
 
                 /*
                  * Acknowledge the parent IRQ.
@@ -168,9 +168,9 @@ static int neponset_probe(struct platform_device *dev)
          * Setup other Neponset IRQs.  SA1111 will be done by the
          * generic SA1111 code.
          */
-        set_irq_handler(IRQ_NEPONSET_SMC9196, do_simple_IRQ);
+        set_irq_handler(IRQ_NEPONSET_SMC9196, handle_simple_irq);
         set_irq_flags(IRQ_NEPONSET_SMC9196, IRQF_VALID | IRQF_PROBE);
-        set_irq_handler(IRQ_NEPONSET_USAR, do_simple_IRQ);
+        set_irq_handler(IRQ_NEPONSET_USAR, handle_simple_irq);
         set_irq_flags(IRQ_NEPONSET_USAR, IRQF_VALID | IRQF_PROBE);
 
         /*
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 4284bd6f7a1f..29c89f9eb2ce 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -118,6 +118,7 @@ static struct irqaction sa1100_timer_irq = {
 static void __init sa1100_timer_init(void)
 {
         struct timespec tv;
+        unsigned long flags;
 
         set_rtc = sa1100_set_rtc;
 
@@ -126,12 +127,12 @@ static void __init sa1100_timer_init(void)
         do_settimeofday(&tv);
 
         OIER = 0;               /* disable any timer interrupts */
-        OSCR = LATCH*2;         /* push OSCR out of the way */
-        OSMR0 = LATCH;          /* set initial match */
         OSSR = 0xf;             /* clear status on all timers */
         setup_irq(IRQ_OST0, &sa1100_timer_irq);
+        local_irq_save(flags);
         OIER = OIER_E0;         /* enable match on timer 0 to cause interrupts */
-        OSCR = 0;               /* initialize free-running timer */
+        OSMR0 = OSCR + LATCH;   /* set initial match */
+        local_irq_restore(flags);
 }
 
 #ifdef CONFIG_NO_IDLE_HZ