static void em_stop(void)
{
em_call_function(arm11_stop_pmu);
arm11_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs);
scu_stop();
release_pmu(pmu_irqs);
}
static int em_start(void)
{
int ret;
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(pmu_irqs->irqs,
pmu_irqs->num_irqs);
} else {
release_pmu(pmu_irqs);
pmu_irqs = NULL;
}
}
out:
return ret;
}
/*
* Glue to stick the individual ARM11 PMUs and the SCU
* into the oprofile framework.
*/
static int em_setup_ctrs(void)
{
int ret;
/* Configure CPU counters by cross-calling to the other CPUs */
ret = em_call_function(arm11_setup_pmu);
if (ret == 0)
scu_setup();
return 0;
}
static int em_start(void)
{
int ret;
ret = arm11_request_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
if (ret == 0) {
em_call_function(arm11_start_pmu);
ret = scu_start();
if (ret)
arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
}
return ret;
}
static void em_stop(void)
{
em_call_function(arm11_stop_pmu);
arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs));
scu_stop();
}
