fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / arm / oprofile / op_model_xscale.c

diff --git a/arch/arm/oprofile/op_model_xscale.c b/arch/arm/oprofile/op_model_xscale.c
index 447653d..7c3289c 100644 (file)
--- a/arch/arm/oprofile/op_model_xscale.c
+++ b/arch/arm/oprofile/op_model_xscale.c
@@ -20,7 +20,8 @@
 #include <linux/sched.h>
 #include <linux/oprofile.h>
 #include <linux/interrupt.h>
-#include <asm/irq.h>
+#include <linux/irq.h>
+
 #include <asm/system.h>
 
 #include "op_counter.h"
@@ -33,14 +34,14 @@
 #define PMU_CNT64      0x008   /* Make CCNT count every 64th cycle */
 
 /* TODO do runtime detection */
-#ifdef CONFIG_ARCH_IOP310
-#define XSCALE_PMU_IRQ  IRQ_XS80200_PMU
+#ifdef CONFIG_ARCH_IOP32X
+#define XSCALE_PMU_IRQ  IRQ_IOP32X_CORE_PMU
 #endif
-#ifdef CONFIG_ARCH_IOP321
-#define XSCALE_PMU_IRQ  IRQ_IOP321_CORE_PMU
+#ifdef CONFIG_ARCH_IOP33X
+#define XSCALE_PMU_IRQ  IRQ_IOP33X_CORE_PMU
 #endif
-#ifdef CONFIG_ARCH_IOP331
-#define XSCALE_PMU_IRQ  IRQ_IOP331_CORE_PMU
+#ifdef CONFIG_ARCH_PXA
+#define XSCALE_PMU_IRQ  IRQ_PMU
 #endif
 
 /*
@@ -85,7 +86,7 @@ static struct pmu_counter results[MAX_COUNTERS];
 /*
  * There are two versions of the PMU in current XScale processors
  * with differing register layouts and number of performance counters.
- * e.g. IOP321 is xsc1 whilst IOP331 is xsc2.
+ * e.g. IOP32x is xsc1 whilst IOP33x is xsc2.
  * We detect which register layout to use in xscale_detect_pmu()
  */
 enum { PMU_XSC1, PMU_XSC2 };
@@ -305,9 +306,9 @@ static void inline __xsc1_check_ctrs(void)
        /*       Overflow bit gets cleared. There's no workaround.       */
        /*       Fixed in B stepping or later                            */
 
-       pmnc &= ~(PMU_ENABLE | pmu->cnt_ovf[PMN0] | pmu->cnt_ovf[PMN1] |
-               pmu->cnt_ovf[CCNT]);
-       write_pmnc(pmnc);
+       /* Write the value back to clear the overflow flags. Overflow */
+       /* flags remain in pmnc for use below */
+       write_pmnc(pmnc & ~PMU_ENABLE);
 
        for (i = CCNT; i <= PMN1; i++) {
                if (!(pmu->int_mask[i] & pmu->int_enable))
@@ -341,10 +342,9 @@ static void inline __xsc2_check_ctrs(void)
        __asm__ __volatile__ ("mcr p14, 0, %0, c5, c1, 0" : : "r" (flag));
 }
 
-static irqreturn_t xscale_pmu_interrupt(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t xscale_pmu_interrupt(int irq, void *arg)
 {
-       unsigned long pc = profile_pc(regs);
-       int i, is_kernel = !user_mode(regs);
+       int i;
        u32 pmnc;
 
        if (pmu->id == PMU_XSC1)
@@ -357,7 +357,7 @@ static irqreturn_t xscale_pmu_interrupt(int irq, void *arg, struct pt_regs *regs
                        continue;
 
                write_counter(i, -(u32)results[i].reset_counter);
-               oprofile_add_sample(pc, is_kernel, i, smp_processor_id());
+               oprofile_add_sample(get_irq_regs(), i);
                results[i].ovf--;
        }
 
@@ -382,7 +382,7 @@ static int xscale_pmu_start(void)
        int ret;
        u32 pmnc = read_pmnc();
 
-       ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, SA_INTERRUPT,
+       ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, IRQF_DISABLED,
                        "XScale PMU", (void *)results);
 
        if (ret < 0) {