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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-12-18 22:34:21 +0100
committerShuah Khan <shuah@kernel.org>2019-01-14 18:49:14 -0700
commit7b3027728f4d4f6763f4d7e771acfc9424cdd0e6 (patch)
tree29975132d7f423435d352008a61cd370411468b4 /tools/testing
parentfdac94489c4d247088b3885875b39b3e1eb621ef (diff)
selftests: rtc: rtctest: add alarm test on minute boundary
Unfortunately, some RTC don't have a second resolution for alarm so also test for alarm on a minute boundary. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Shuah Khan <shuah@kernel.org>
Diffstat (limited to 'tools/testing')
-rw-r--r--tools/testing/selftests/rtc/rtctest.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index dea4e3d6d9e1..b2065536d407 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -211,6 +211,108 @@ TEST_F(rtc, alarm_wkalm_set) {
ASSERT_EQ(new, secs);
}
+TEST_F(rtc, alarm_alm_set_minute) {
+ struct timeval tv = { .tv_sec = 62 };
+ unsigned long data;
+ struct rtc_time tm;
+ fd_set readfds;
+ time_t secs, new;
+ int rc;
+
+ rc = ioctl(self->fd, RTC_RD_TIME, &tm);
+ ASSERT_NE(-1, rc);
+
+ secs = timegm((struct tm *)&tm) + 60 - tm.tm_sec;
+ gmtime_r(&secs, (struct tm *)&tm);
+
+ rc = ioctl(self->fd, RTC_ALM_SET, &tm);
+ if (rc == -1) {
+ ASSERT_EQ(EINVAL, errno);
+ TH_LOG("skip alarms are not supported.");
+ return;
+ }
+
+ rc = ioctl(self->fd, RTC_ALM_READ, &tm);
+ ASSERT_NE(-1, rc);
+
+ TH_LOG("Alarm time now set to %02d:%02d:%02d.",
+ tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+ /* Enable alarm interrupts */
+ rc = ioctl(self->fd, RTC_AIE_ON, 0);
+ ASSERT_NE(-1, rc);
+
+ FD_ZERO(&readfds);
+ FD_SET(self->fd, &readfds);
+
+ rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
+ ASSERT_NE(-1, rc);
+ ASSERT_NE(0, rc);
+
+ /* Disable alarm interrupts */
+ rc = ioctl(self->fd, RTC_AIE_OFF, 0);
+ ASSERT_NE(-1, rc);
+
+ rc = read(self->fd, &data, sizeof(unsigned long));
+ ASSERT_NE(-1, rc);
+ TH_LOG("data: %lx", data);
+
+ rc = ioctl(self->fd, RTC_RD_TIME, &tm);
+ ASSERT_NE(-1, rc);
+
+ new = timegm((struct tm *)&tm);
+ ASSERT_EQ(new, secs);
+}
+
+TEST_F(rtc, alarm_wkalm_set_minute) {
+ struct timeval tv = { .tv_sec = 62 };
+ struct rtc_wkalrm alarm = { 0 };
+ struct rtc_time tm;
+ unsigned long data;
+ fd_set readfds;
+ time_t secs, new;
+ int rc;
+
+ rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
+ ASSERT_NE(-1, rc);
+
+ secs = timegm((struct tm *)&alarm.time) + 60 - alarm.time.tm_sec;
+ gmtime_r(&secs, (struct tm *)&alarm.time);
+
+ alarm.enabled = 1;
+
+ rc = ioctl(self->fd, RTC_WKALM_SET, &alarm);
+ if (rc == -1) {
+ ASSERT_EQ(EINVAL, errno);
+ TH_LOG("skip alarms are not supported.");
+ return;
+ }
+
+ rc = ioctl(self->fd, RTC_WKALM_RD, &alarm);
+ ASSERT_NE(-1, rc);
+
+ TH_LOG("Alarm time now set to %02d/%02d/%02d %02d:%02d:%02d.",
+ alarm.time.tm_mday, alarm.time.tm_mon + 1,
+ alarm.time.tm_year + 1900, alarm.time.tm_hour,
+ alarm.time.tm_min, alarm.time.tm_sec);
+
+ FD_ZERO(&readfds);
+ FD_SET(self->fd, &readfds);
+
+ rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
+ ASSERT_NE(-1, rc);
+ ASSERT_NE(0, rc);
+
+ rc = read(self->fd, &data, sizeof(unsigned long));
+ ASSERT_NE(-1, rc);
+
+ rc = ioctl(self->fd, RTC_RD_TIME, &tm);
+ ASSERT_NE(-1, rc);
+
+ new = timegm((struct tm *)&tm);
+ ASSERT_EQ(new, secs);
+}
+
static void __attribute__((constructor))
__constructor_order_last(void)
{