[PATCH v2 17/17] RTC: rtctest: Change no IRQ detection for RTC_IRQP_SET

[Andrey Smirnov]

A call to ioctl(..., RTC_IRQP_SET, ...) should never result in
ENOTTY. All new style RTC drivers implement it and all of the old style
drivers return EINVAL when they don't support periodic IRQs.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
 tools/testing/selftests/timers/rtctest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/timers/rtctest.c b/tools/testing/selftests/timers/rtctest.c
index 97beadf..4230d30 100644
--- a/tools/testing/selftests/timers/rtctest.c
+++ b/tools/testing/selftests/timers/rtctest.c
@@ -218,7 +218,7 @@ test_PIE:
 		retval = ioctl(fd, RTC_IRQP_SET, tmp);
 		if (retval == -1) {
 			/* not all RTCs can change their periodic IRQ rate */
-			if (errno == ENOTTY) {
+			if (errno == EINVAL) {
 				fprintf(stderr,
 					"\n...Periodic IRQ rate is fixed\n");
 				goto done;
-- 
2.5.5