selftests: rtc: skip when RTC is not present

There is no point in failing the tests when RTC is not present.

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>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index 2b9d929..63ce02d 100644 (file)
--- 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);