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author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-04-19 14:50:29 +0200 |
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committer | Shuah Khan (Samsung OSG) <shuah@kernel.org> | 2018-05-30 15:21:51 -0600 |
commit | a12ab9e125f184454fc484483fe2029962fe6a34 (patch) | |
tree | 6bf247b02f226f8b73927887c54c4b479949ab64 /tools/testing/selftests/rtc/setdate.c | |
parent | 6d73ceab4d03c25d3a351723c72ad25d4c8cd643 (diff) | |
download | linux-a12ab9e125f184454fc484483fe2029962fe6a34.tar.gz linux-a12ab9e125f184454fc484483fe2029962fe6a34.tar.bz2 linux-a12ab9e125f184454fc484483fe2029962fe6a34.zip |
selftests: move RTC tests to rtc subfolder
Move the RTC tests out of the timers folder as they are mostly unrelated.
Keep rtcpie in timers as it only test hrtimers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Diffstat (limited to 'tools/testing/selftests/rtc/setdate.c')
-rw-r--r-- | tools/testing/selftests/rtc/setdate.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tools/testing/selftests/rtc/setdate.c b/tools/testing/selftests/rtc/setdate.c new file mode 100644 index 000000000000..2cb78489eca4 --- /dev/null +++ b/tools/testing/selftests/rtc/setdate.c @@ -0,0 +1,86 @@ +/* Real Time Clock Driver Test + * by: Benjamin Gaignard (benjamin.gaignard@linaro.org) + * + * To build + * gcc rtctest_setdate.c -o rtctest_setdate + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdio.h> +#include <linux/rtc.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <sys/types.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> + +static const char default_time[] = "00:00:00"; + +int main(int argc, char **argv) +{ + int fd, retval; + struct rtc_time new, current; + const char *rtc, *date; + const char *time = default_time; + + switch (argc) { + case 4: + time = argv[3]; + /* FALLTHROUGH */ + case 3: + date = argv[2]; + rtc = argv[1]; + break; + default: + fprintf(stderr, "usage: rtctest_setdate <rtcdev> <DD-MM-YYYY> [HH:MM:SS]\n"); + return 1; + } + + fd = open(rtc, O_RDONLY); + if (fd == -1) { + perror(rtc); + exit(errno); + } + + sscanf(date, "%d-%d-%d", &new.tm_mday, &new.tm_mon, &new.tm_year); + new.tm_mon -= 1; + new.tm_year -= 1900; + sscanf(time, "%d:%d:%d", &new.tm_hour, &new.tm_min, &new.tm_sec); + + fprintf(stderr, "Test will set RTC date/time to %d-%d-%d, %02d:%02d:%02d.\n", + new.tm_mday, new.tm_mon + 1, new.tm_year + 1900, + new.tm_hour, new.tm_min, new.tm_sec); + + /* Write the new date in RTC */ + retval = ioctl(fd, RTC_SET_TIME, &new); + if (retval == -1) { + perror("RTC_SET_TIME ioctl"); + close(fd); + exit(errno); + } + + /* Read back */ + retval = ioctl(fd, RTC_RD_TIME, ¤t); + if (retval == -1) { + perror("RTC_RD_TIME ioctl"); + exit(errno); + } + + fprintf(stderr, "\n\nCurrent RTC date/time is %d-%d-%d, %02d:%02d:%02d.\n", + current.tm_mday, current.tm_mon + 1, current.tm_year + 1900, + current.tm_hour, current.tm_min, current.tm_sec); + + close(fd); + return 0; +} |