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* [PATCH] selftests: rtc: skip when RTC is not present
@ 2022-11-15 20:04 alexandre.belloni
  2022-11-15 20:10 ` Shuah Khan
  0 siblings, 1 reply; 3+ messages in thread
From: alexandre.belloni @ 2022-11-15 20:04 UTC (permalink / raw)
  To: Alessandro Zummo, Alexandre Belloni, Shuah Khan
  Cc: Linux Kernel Functional Testing, Daniel Diaz, linux-rtc,
	linux-kselftest, linux-kernel

From: Alexandre Belloni <alexandre.belloni@bootlin.com>

There is not point in failing the tests when there the RTC is not present,
simply skip the test.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Tested-by:  Daniel Diaz <daniel.diaz@linaro.org>
---
 tools/testing/selftests/rtc/rtctest.c | 33 ++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index 2b9d929a24ed..63ce02d1d5cc 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -31,7 +31,6 @@ FIXTURE(rtc) {
 
 FIXTURE_SETUP(rtc) {
 	self->fd = open(rtc_file, O_RDONLY);
-	ASSERT_NE(-1, self->fd);
 }
 
 FIXTURE_TEARDOWN(rtc) {
@@ -42,6 +41,10 @@ TEST_F(rtc, date_read) {
 	int rc;
 	struct rtc_time rtc_tm;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	/* Read the RTC time/date */
 	rc = ioctl(self->fd, RTC_RD_TIME, &rtc_tm);
 	ASSERT_NE(-1, rc);
@@ -85,6 +88,10 @@ TEST_F_TIMEOUT(rtc, date_read_loop, READ_LOOP_DURATION_SEC + 2) {
 	struct rtc_time rtc_tm;
 	time_t start_rtc_read, prev_rtc_read;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	TH_LOG("Continuously reading RTC time for %ds (with %dms breaks after every read).",
 	       READ_LOOP_DURATION_SEC, READ_LOOP_SLEEP_MS);
 
@@ -119,6 +126,10 @@ TEST_F_TIMEOUT(rtc, uie_read, NUM_UIE + 2) {
 	int i, rc, irq = 0;
 	unsigned long data;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	/* Turn on update interrupts */
 	rc = ioctl(self->fd, RTC_UIE_ON, 0);
 	if (rc == -1) {
@@ -144,6 +155,10 @@ TEST_F(rtc, uie_select) {
 	int i, rc, irq = 0;
 	unsigned long data;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	/* Turn on update interrupts */
 	rc = ioctl(self->fd, RTC_UIE_ON, 0);
 	if (rc == -1) {
@@ -183,6 +198,10 @@ TEST_F(rtc, alarm_alm_set) {
 	time_t secs, new;
 	int rc;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);
 	ASSERT_NE(-1, rc);
 
@@ -237,6 +256,10 @@ TEST_F(rtc, alarm_wkalm_set) {
 	time_t secs, new;
 	int rc;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
 	ASSERT_NE(-1, rc);
 
@@ -285,6 +308,10 @@ TEST_F_TIMEOUT(rtc, alarm_alm_set_minute, 65) {
 	time_t secs, new;
 	int rc;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	rc = ioctl(self->fd, RTC_RD_TIME, &tm);
 	ASSERT_NE(-1, rc);
 
@@ -339,6 +366,10 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) {
 	time_t secs, new;
 	int rc;
 
+	if (self->fd == -1 && errno == ENOENT)
+		SKIP(return, "Skipping test since %s does not exist", rtc_file);
+	ASSERT_NE(-1, self->fd);
+
 	rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
 	ASSERT_NE(-1, rc);
 
-- 
2.38.1


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2022-11-15 20:04 [PATCH] selftests: rtc: skip when RTC is not present alexandre.belloni
2022-11-15 20:10 ` Shuah Khan
2022-11-15 20:22   ` Alexandre Belloni

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