On Fri, Jul 22, 2016 at 05:39:27AM +0800, Tom Yan wrote: > Let me know how I should polish the description for this. The above is because the signed ones are getting sign-extended making them different from the unsigned ones which don't get padded in the high bits. Converting to u8 is the right thing to do but nothing here is getting truncated. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html