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Subject[PATCH] driver core: Simplify async probe test code by using ktime_ms_delta()
Date
Simplify async probe test code by using ktime_ms_delta().

Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
---
drivers/base/test/test_async_driver_probe.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/base/test/test_async_driver_probe.c b/drivers/base/test/test_async_driver_probe.c
index 3bb7beb127a9..4d1976ca5072 100644
--- a/drivers/base/test/test_async_driver_probe.c
+++ b/drivers/base/test/test_async_driver_probe.c
@@ -104,7 +104,7 @@ static int __init test_async_probe_init(void)
struct platform_device **pdev = NULL;
int async_id = 0, sync_id = 0;
unsigned long long duration;
- ktime_t calltime, delta;
+ ktime_t calltime;
int err, nid, cpu;

pr_info("registering first set of asynchronous devices...\n");
@@ -133,8 +133,7 @@ static int __init test_async_probe_init(void)
goto err_unregister_async_devs;
}

- delta = ktime_sub(ktime_get(), calltime);
- duration = (unsigned long long) ktime_to_ms(delta);
+ duration = (unsigned long long)ktime_ms_delta(ktime_get(), calltime);
pr_info("registration took %lld msecs\n", duration);
if (duration > TEST_PROBE_THRESHOLD) {
pr_err("test failed: probe took too long\n");
@@ -161,8 +160,7 @@ static int __init test_async_probe_init(void)
async_id++;
}

- delta = ktime_sub(ktime_get(), calltime);
- duration = (unsigned long long) ktime_to_ms(delta);
+ duration = (unsigned long long)ktime_ms_delta(ktime_get(), calltime);
dev_info(&(*pdev)->dev,
"registration took %lld msecs\n", duration);
if (duration > TEST_PROBE_THRESHOLD) {
@@ -197,8 +195,7 @@ static int __init test_async_probe_init(void)
goto err_unregister_sync_devs;
}

- delta = ktime_sub(ktime_get(), calltime);
- duration = (unsigned long long) ktime_to_ms(delta);
+ duration = (unsigned long long)ktime_ms_delta(ktime_get(), calltime);
pr_info("registration took %lld msecs\n", duration);
if (duration < TEST_PROBE_THRESHOLD) {
dev_err(&(*pdev)->dev,
@@ -223,8 +220,7 @@ static int __init test_async_probe_init(void)

sync_id++;

- delta = ktime_sub(ktime_get(), calltime);
- duration = (unsigned long long) ktime_to_ms(delta);
+ duration = (unsigned long long)ktime_ms_delta(ktime_get(), calltime);
dev_info(&(*pdev)->dev,
"registration took %lld msecs\n", duration);
if (duration < TEST_PROBE_THRESHOLD) {
--
2.18.0
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