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selftests/watchdog: add test for WDIOC_GETTEMP

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Add test for WDIOC_GETTEMP and this ioctl might not be supported by some
devices and if it is this test will print the following message:

Inappropriate ioctl for device

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Shuah Khan 2022-10-21 15:51:16 -06:00
parent 8856f710ed
commit ec7b451118
1 changed files with 8 additions and 1 deletions
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9
tools/testing/selftests/watchdog/watchdog-test.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Watchdog Driver Test Program
* - Tests all ioctls except WDIOC_GETTEMP
* - Tests all ioctls
* - Tests Magic Close - CONFIG_WATCHDOG_NOWAYOUT
* - Could be tested against softdog driver on systems that
* don't have watchdog hardware.
@ -177,6 +177,7 @@ int main(int argc, char *argv[])
int oneshot = 0;
char *file = "/dev/watchdog";
struct watchdog_info info;
int temperature;
setbuf(stdout, NULL);
@ -255,6 +256,12 @@ int main(int argc, char *argv[])
print_status(flags);
else
printf("WDIOC_GETSTATUS error '%s'\n", strerror(errno));
ret = ioctl(fd, WDIOC_GETTEMP, &temperature);
if (ret)
printf("WDIOC_GETTEMP: '%s'\n", strerror(errno));
else
printf("Temeprature: %d\n", temperature);
break;
case 't':
flags = strtoul(optarg, NULL, 0);