On 08/16/2012 09:29 PM, Rafał Miłecki wrote: > 2012/8/16 Arend van Spriel <arend@xxxxxxxxxxxx>: >> On 08/16/2012 07:39 PM, Rafał Miłecki wrote: >>> >>> 2012/8/16 Florian Fainelli<florian@xxxxxxxxxxx>: >>>>> >>>>>>> +void __init bcm47xx_gpio_init(void) >>>>>>> +{ >>>>>>> + int err; >>>>>>> + >>>>>>> + switch (bcm47xx_bus_type) { >>>>>>> +#ifdef CONFIG_BCM47XX_SSB >>>>>>> + case BCM47XX_BUS_TYPE_SSB: >>>>>>> + bcm47xx_gpio_count = ssb_gpio_count(&bcm47xx_bus.ssb); >>>>>>> +#endif >>>>>>> +#ifdef CONFIG_BCM47XX_BCMA >>>>>>> + case BCM47XX_BUS_TYPE_BCMA: >>>>>>> + bcm47xx_gpio_count = >>>>>>> bcma_gpio_count(&bcm47xx_bus.bcma.bus); >>>>>>> +#endif >>>>>>> + } >>>> >>>>> >>>>> Is this exclusive? Cannot we have both SSB and BCMA on the same device? >>> >>> This applies to SoC only, so I believe it's fine. We don't have SoCs >>> based on BCMA and SSB at the same time. >> >> >> It is indeed more than unlikely for a chip to have two silicon >> interconnects, which is what SSB and BCMA are. However, it does look >> suspicious from a code reading perspective. So I general I stick to the rule >> that each case must have a break and fall-thru are clearly commented. > > Ahh, I though question is related to the enum used for bustype. I > definitely vote for using "break" I will add the missing break. Hauke