static int op_powerpc_setup(void)
{
-#ifdef __powerpc64__
int err;
/* Grab the hardware */
err = reserve_pmc_hardware(op_handle_interrupt);
if (err)
return err;
-#else /* __powerpc64__ */
- /* Install our interrupt handler into the existing hook. */
- if (request_perfmon_irq(&op_handle_interrupt))
- return -EBUSY;
- mb();
-#endif /* __powerpc64__ */
/* Pre-compute the values to stuff in the hardware registers. */
model->reg_setup(ctr, &sys, model->num_counters);
static void op_powerpc_shutdown(void)
{
-#ifdef __powerpc64__
release_pmc_hardware();
-#else /* __powerpc64__ */
- mb();
- /* Remove our interrupt handler. We may be removing this module. */
- free_perfmon_irq();
-#endif /* __powerpc64__ */
}
static void op_powerpc_cpu_start(void *dummy)