void ps3_write_pm()

in ps3-lpm.c [439:500]

• 60 lines of code
• 15 McCabe index (conditional complexity)

void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val)
{
	int result = 0;
	u64 dummy;

	switch (reg) {
	case group_control:
		if (val != lpm_priv->shadow.group_control)
			result = lv1_set_lpm_group_control(lpm_priv->lpm_id,
							   val,
							   PS3_WRITE_PM_MASK,
							   &dummy);
		lpm_priv->shadow.group_control = val;
		break;
	case debug_bus_control:
		if (val != lpm_priv->shadow.debug_bus_control)
			result = lv1_set_lpm_debug_bus_control(lpm_priv->lpm_id,
							      val,
							      PS3_WRITE_PM_MASK,
							      &dummy);
		lpm_priv->shadow.debug_bus_control = val;
		break;
	case pm_control:
		if (use_start_stop_bookmark)
			val |= (PS3_PM_CONTROL_PPU_TH0_BOOKMARK |
				PS3_PM_CONTROL_PPU_TH1_BOOKMARK);
		if (val != lpm_priv->shadow.pm_control)
			result = lv1_set_lpm_general_control(lpm_priv->lpm_id,
							     val,
							     PS3_WRITE_PM_MASK,
							     0, 0, &dummy,
							     &dummy);
		lpm_priv->shadow.pm_control = val;
		break;
	case pm_interval:
		result = lv1_set_lpm_interval(lpm_priv->lpm_id, val,
					      PS3_WRITE_PM_MASK, &dummy);
		break;
	case pm_start_stop:
		if (val != lpm_priv->shadow.pm_start_stop)
			result = lv1_set_lpm_trigger_control(lpm_priv->lpm_id,
							     val,
							     PS3_WRITE_PM_MASK,
							     &dummy);
		lpm_priv->shadow.pm_start_stop = val;
		break;
	case trace_address:
	case ext_tr_timer:
	case pm_status:
		break;
	default:
		dev_dbg(sbd_core(), "%s:%u: unknown reg: %d\n", __func__,
			__LINE__, reg);
		BUG();
		break;
	}

	if (result)
		dev_err(sbd_core(), "%s:%u: lv1 set_control failed: "
			"reg %u, %s\n", __func__, __LINE__, reg,
			ps3_result(result));
}