On Fri, Jul 20, 2018 at 6:38 PM, Daniel Kurtz <djkurtz@xxxxxxxxxxxx> wrote: > Sounds reasonable. How about: > > - /* Clear interrupt. > - * We must read the pin register again, in case the > - * value was changed while executing > - * generic_handle_irq() above. > + /* > + * Write-1-to-clear irq/wake status bits in MSByte. > + * All other bits in this byte are read-only. > + * This avoids modifying the lower 24-bits > because they may have > + * changed while executing generic_handle_irq() above. > */ That looks good. Thanks Daniel -- 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