u32 ps3_read_pm()

in ps3-lpm.c [387:432]

• 44 lines of code
• 11 McCabe index (conditional complexity)

u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg)
{
	int result = 0;
	u64 val = 0;

	switch (reg) {
	case pm_control:
		return lpm_priv->shadow.pm_control;
	case trace_address:
		return CBE_PM_TRACE_BUF_EMPTY;
	case pm_start_stop:
		return lpm_priv->shadow.pm_start_stop;
	case pm_interval:
		result = lv1_set_lpm_interval(lpm_priv->lpm_id, 0, 0, &val);
		if (result) {
			val = 0;
			dev_dbg(sbd_core(), "%s:%u: lv1 set_interval failed: "
				"reg %u, %s\n", __func__, __LINE__, reg,
				ps3_result(result));
		}
		return (u32)val;
	case group_control:
		return lpm_priv->shadow.group_control;
	case debug_bus_control:
		return lpm_priv->shadow.debug_bus_control;
	case pm_status:
		result = lv1_get_lpm_interrupt_status(lpm_priv->lpm_id,
						      &val);
		if (result) {
			val = 0;
			dev_dbg(sbd_core(), "%s:%u: lv1 get_lpm_status failed: "
				"reg %u, %s\n", __func__, __LINE__, reg,
				ps3_result(result));
		}
		return (u32)val;
	case ext_tr_timer:
		return 0;
	default:
		dev_dbg(sbd_core(), "%s:%u: unknown reg: %d\n", __func__,
			__LINE__, reg);
		BUG();
		break;
	}

	return 0;
}