On Thursday 29 January 2015 23:14:46 Ricardo Ribalda Delgado wrote: > What about the different return type? u8 vs int Too many drivers use all sorts of different types, I've given up hope of changing drivers to agree on the same type here. Basically you can think of 'void __iomem *' as the magic keyword for something that gets returned from ioremap, can take an integer offset and gets passed into readb/readw/readl/write..., but any other assumption beyond that is dangerous. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html