Input: i8042 - print debug data when testing AUX IRQ delivery (d3d2dfe2) · Commits · 戴 / test

drivers/input/serio/i8042.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -609,6 +609,8 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
		str = i8042_read_status();
		if (str & I8042_STR_OBF) {
		data = i8042_read_data();
		dbg("%02x <- i8042 (aux_test_irq, %s)",
		data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
		if (i8042_irq_being_tested &&
		data == 0xa5 && (str & I8042_STR_AUXDATA))
		complete(&i8042_aux_irq_delivered);
		@@ -750,6 +752,7 @@ static int __init i8042_check_aux(void)
		* AUX IRQ was never delivered so we need to flush the controller to
		* get rid of the byte we put there; otherwise keyboard may not work.
		*/
		dbg(" -- i8042 (aux irq test timeout)");
		i8042_flush();
		retval = -1;
		}