On 2015-02-06 20:21, Uwe Kleine-König wrote: > Hallo Stefan, > > On Fri, Feb 06, 2015 at 05:30:56PM +0100, Stefan Agner wrote: >> - memset(info->pin_regs, 0xff, sizeof(*info->pin_regs) * info->npins); >> + >> + for (i = 0; i < info->npins; i++) { >> + info->pin_regs[i].mux_reg = -1; >> + info->pin_regs[i].conf_reg = -1; >> + } > looks definitely better. Just out of interest, did you check if it > changes the generated code? Just checked quickly, before it branched to memset. The object file is 24 bytes larger. I guess memset might be a bit faster due to optimized memory access. But not worth for some error handling relevant initialization code IMHO... -- Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html