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Diffstat (limited to 'arch/arm/oprofile/op_model_mpcore.c')
-rw-r--r--arch/arm/oprofile/op_model_mpcore.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c
index 4ce0f9801e2e..f73ce875a395 100644
--- a/arch/arm/oprofile/op_model_mpcore.c
+++ b/arch/arm/oprofile/op_model_mpcore.c
@@ -32,6 +32,7 @@
/* #define DEBUG */
#include <linux/types.h>
#include <linux/errno.h>
+#include <linux/err.h>
#include <linux/sched.h>
#include <linux/oprofile.h>
#include <linux/interrupt.h>
@@ -43,6 +44,7 @@
#include <mach/hardware.h>
#include <mach/board-eb.h>
#include <asm/system.h>
+#include <asm/pmu.h>
#include "op_counter.h"
#include "op_arm_model.h"
@@ -58,6 +60,7 @@
* Bitmask of used SCU counters
*/
static unsigned int scu_em_used;
+static const struct pmu_irqs *pmu_irqs;
/*
* 2 helper fns take a counter number from 0-7 (not the userspace-visible counter number)
@@ -225,33 +228,40 @@ static int em_setup_ctrs(void)
return 0;
}
-static int arm11_irqs[] = {
- [0] = IRQ_EB11MP_PMU_CPU0,
- [1] = IRQ_EB11MP_PMU_CPU1,
- [2] = IRQ_EB11MP_PMU_CPU2,
- [3] = IRQ_EB11MP_PMU_CPU3
-};
-
static int em_start(void)
{
int ret;
- ret = arm11_request_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
+ pmu_irqs = reserve_pmu();
+ if (IS_ERR(pmu_irqs)) {
+ ret = PTR_ERR(pmu_irqs);
+ goto out;
+ }
+
+ ret = arm11_request_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs);
if (ret == 0) {
em_call_function(arm11_start_pmu);
ret = scu_start();
- if (ret)
- arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
+ if (ret) {
+ arm11_release_interrupts(pmu_irqs->irqs,
+ pmu_irqs->num_irqs);
+ } else {
+ release_pmu(pmu_irqs);
+ pmu_irqs = NULL;
+ }
}
+
+out:
return ret;
}
static void em_stop(void)
{
em_call_function(arm11_stop_pmu);
- arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
+ arm11_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs);
scu_stop();
+ release_pmu(pmu_irqs);
}
/*
@@ -283,15 +293,7 @@ static int em_setup(void)
em_route_irq(IRQ_EB11MP_PMU_SCU6, 3);
em_route_irq(IRQ_EB11MP_PMU_SCU7, 3);
- /*
- * Send CP15 PMU interrupts to the owner CPU.
- */
- em_route_irq(IRQ_EB11MP_PMU_CPU0, 0);
- em_route_irq(IRQ_EB11MP_PMU_CPU1, 1);
- em_route_irq(IRQ_EB11MP_PMU_CPU2, 2);
- em_route_irq(IRQ_EB11MP_PMU_CPU3, 3);
-
- return 0;
+ return init_pmu();
}
struct op_arm_model_spec op_mpcore_spec = {