[PATCH 2/2] selftests/thermel/intel: conform the test to TAP output

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Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
---
 .../intel/power_floor/power_floor_test.c      | 68 ++++++++-----------
 1 file changed, 28 insertions(+), 40 deletions(-)

diff --git a/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.c b/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.c
index 0326b39a11b91..1626c6d92e621 100644
--- a/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.c
+++ b/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.c
@@ -9,6 +9,7 @@
 #include <fcntl.h>
 #include <poll.h>
 #include <signal.h>
+#include "../../../kselftest.h"
 
 #define POWER_FLOOR_ENABLE_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/power_limits/power_floor_enable"
 #define POWER_FLOOR_STATUS_ATTRIBUTE  "/sys/bus/pci/devices/0000:00:04.0/power_limits/power_floor_status"
@@ -20,17 +21,13 @@ void power_floor_exit(int signum)
 	/* Disable feature via sysfs knob */
 
 	fd = open(POWER_FLOOR_ENABLE_ATTRIBUTE, O_RDWR);
-	if (fd < 0) {
-		perror("Unable to open power floor enable file\n");
-		exit(1);
-	}
+	if (fd < 0)
+		ksft_exit_fail_perror("Unable to open power floor enable file");
 
-	if (write(fd, "0\n", 2) < 0) {
-		perror("Can' disable power floor notifications\n");
-		exit(1);
-	}
+	if (write(fd, "0\n", 2) < 0)
+		ksft_exit_fail_perror("Can' disable power floor notifications");
 
-	printf("Disabled power floor notifications\n");
+	ksft_print_msg("Disabled power floor notifications\n");
 
 	close(fd);
 }
@@ -41,6 +38,9 @@ int main(int argc, char **argv)
 	char status_str[3];
 	int fd, ret;
 
+	ksft_print_header();
+	ksft_set_plan(1);
+
 	if (signal(SIGINT, power_floor_exit) == SIG_IGN)
 		signal(SIGINT, SIG_IGN);
 	if (signal(SIGHUP, power_floor_exit) == SIG_IGN)
@@ -50,57 +50,45 @@ int main(int argc, char **argv)
 
 	/* Enable feature via sysfs knob */
 	fd = open(POWER_FLOOR_ENABLE_ATTRIBUTE, O_RDWR);
-	if (fd < 0) {
-		perror("Unable to open power floor enable file\n");
-		exit(1);
-	}
+	if (fd < 0)
+		ksft_exit_fail_perror("Unable to open power floor enable file");
 
-	if (write(fd, "1\n", 2) < 0) {
-		perror("Can' enable power floor notifications\n");
-		exit(1);
-	}
+	if (write(fd, "1\n", 2) < 0)
+		ksft_exit_fail_perror("Can' enable power floor notifications");
 
 	close(fd);
 
-	printf("Enabled power floor notifications\n");
+	ksft_print_msg("Enabled power floor notifications\n");
 
 	while (1) {
 		fd = open(POWER_FLOOR_STATUS_ATTRIBUTE, O_RDONLY);
-		if (fd < 0) {
-			perror("Unable to power floor status file\n");
-			exit(1);
-		}
+		if (fd < 0)
+			ksft_exit_fail_perror("Unable to power floor status file");
 
-		if ((lseek(fd, 0L, SEEK_SET)) < 0) {
-			fprintf(stderr, "Failed to set pointer to beginning\n");
-			exit(1);
-		}
+		if ((lseek(fd, 0L, SEEK_SET)) < 0)
+			ksft_exit_fail_perror("Failed to set pointer to beginning\n");
 
 		if (read(fd, status_str, sizeof(status_str)) < 0) {
-			fprintf(stderr, "Failed to read from:%s\n",
-			POWER_FLOOR_STATUS_ATTRIBUTE);
-			exit(1);
-		}
+			ksft_exit_fail_perror(stderr, "Failed to read from: power_floor_status");
 
 		ufd.fd = fd;
 		ufd.events = POLLPRI;
 
 		ret = poll(&ufd, 1, -1);
 		if (ret < 0) {
-			perror("poll error");
-			exit(1);
+			ksft_exit_fail_msg("Poll error\n");
 		} else if (ret == 0) {
-			printf("Poll Timeout\n");
+			ksft_print_msg("Poll Timeout\n");
 		} else {
-			if ((lseek(fd, 0L, SEEK_SET)) < 0) {
-				fprintf(stderr, "Failed to set pointer to beginning\n");
-				exit(1);
-			}
+			if ((lseek(fd, 0L, SEEK_SET)) < 0)
+				ksft_exit_fail_msg("Failed to set pointer to beginning\n");
 
-			if (read(fd, status_str, sizeof(status_str)) < 0)
-				exit(0);
+			if (read(fd, status_str, sizeof(status_str)) < 0) {
+				ksft_test_result_pass("Successfully read\n");
+				ksft_finished();
+			}
 
-			printf("power floor status: %s\n", status_str);
+			ksft_print_msg("power floor status: %s\n", status_str);
 		}
 
 		close(fd);
-- 
2.39.2





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