u32 bcma_pmu_get_alp_clock()

in driver_chipcommon_pmu.c [309:348]

• 37 lines of code
• 23 McCabe index (conditional complexity)

u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
{
	struct bcma_bus *bus = cc->core->bus;

	switch (bus->chipinfo.id) {
	case BCMA_CHIP_ID_BCM4313:
	case BCMA_CHIP_ID_BCM43224:
	case BCMA_CHIP_ID_BCM43225:
	case BCMA_CHIP_ID_BCM43227:
	case BCMA_CHIP_ID_BCM43228:
	case BCMA_CHIP_ID_BCM4331:
	case BCMA_CHIP_ID_BCM43421:
	case BCMA_CHIP_ID_BCM43428:
	case BCMA_CHIP_ID_BCM43431:
	case BCMA_CHIP_ID_BCM4716:
	case BCMA_CHIP_ID_BCM47162:
	case BCMA_CHIP_ID_BCM4748:
	case BCMA_CHIP_ID_BCM4749:
	case BCMA_CHIP_ID_BCM5357:
	case BCMA_CHIP_ID_BCM53572:
	case BCMA_CHIP_ID_BCM6362:
		/* always 20Mhz */
		return 20000 * 1000;
	case BCMA_CHIP_ID_BCM4706:
	case BCMA_CHIP_ID_BCM5356:
		/* always 25Mhz */
		return 25000 * 1000;
	case BCMA_CHIP_ID_BCM43460:
	case BCMA_CHIP_ID_BCM4352:
	case BCMA_CHIP_ID_BCM4360:
		if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
			return 40000 * 1000;
		else
			return 20000 * 1000;
	default:
		bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
			  bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
	}
	return BCMA_CC_PMU_ALP_CLOCK;
}