u32 bcma_chipco_watchdog_timer_set()

in driver_chipcommon.c [236:262]

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

u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
{
	u32 maxt;

	maxt = bcma_chipco_watchdog_get_max_timer(cc);
	if (bcma_core_cc_has_pmu_watchdog(cc)) {
		if (ticks == 1)
			ticks = 2;
		else if (ticks > maxt)
			ticks = maxt;
		bcma_pmu_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks);
	} else {
		struct bcma_bus *bus = cc->core->bus;

		if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4707 &&
		    bus->chipinfo.id != BCMA_CHIP_ID_BCM47094 &&
		    bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
			bcma_core_set_clockmode(cc->core,
						ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);

		if (ticks > maxt)
			ticks = maxt;
		/* instant NMI */
		bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks);
	}
	return ticks;
}