u32 ps3_read_phys_ctr()

in ps3-lpm.c [198:232]

• 32 lines of code
• 7 McCabe index (conditional complexity)

u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr)
{
	int result;
	u64 counter0415;
	u64 counter2637;

	if (phys_ctr >= NR_PHYS_CTRS) {
		dev_dbg(sbd_core(), "%s:%u: phys_ctr too big: %u\n", __func__,
			__LINE__, phys_ctr);
		return 0;
	}

	result = lv1_set_lpm_counter(lpm_priv->lpm_id, 0, 0, 0, 0, &counter0415,
				     &counter2637);
	if (result) {
		dev_err(sbd_core(), "%s:%u: lv1_set_lpm_counter failed: "
			"phys_ctr %u, %s\n", __func__, __LINE__, phys_ctr,
			ps3_result(result));
		return 0;
	}

	switch (phys_ctr) {
	case 0:
		return counter0415 >> 32;
	case 1:
		return counter0415 & PS3_PM_COUNTER_MASK_LO;
	case 2:
		return counter2637 >> 32;
	case 3:
		return counter2637 & PS3_PM_COUNTER_MASK_LO;
	default:
		BUG();
	}
	return 0;
}