static bool bcma_sprom_onchip_available()

in sprom.c [516:555]

• 35 lines of code
• 12 McCabe index (conditional complexity)

static bool bcma_sprom_onchip_available(struct bcma_bus *bus)
{
	u32 chip_status;
	u32 otpsize = 0;
	bool present;

	chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
	switch (bus->chipinfo.id) {
	case BCMA_CHIP_ID_BCM4313:
		present = chip_status & BCMA_CC_CHIPST_4313_OTP_PRESENT;
		break;

	case BCMA_CHIP_ID_BCM4331:
		present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
		break;
	case BCMA_CHIP_ID_BCM43142:
	case BCMA_CHIP_ID_BCM43224:
	case BCMA_CHIP_ID_BCM43225:
		/* for these chips OTP is always available */
		present = true;
		break;
	case BCMA_CHIP_ID_BCM43131:
	case BCMA_CHIP_ID_BCM43217:
	case BCMA_CHIP_ID_BCM43227:
	case BCMA_CHIP_ID_BCM43228:
	case BCMA_CHIP_ID_BCM43428:
		present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT;
		break;
	default:
		present = false;
		break;
	}

	if (present) {
		otpsize = bus->drv_cc.capabilities & BCMA_CC_CAP_OTPS;
		otpsize >>= BCMA_CC_CAP_OTPS_SHIFT;
	}

	return otpsize != 0;
}