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authorMark-PK Tsai <mark-pk.tsai@mediatek.com>2021-07-01 08:45:38 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-07-01 18:44:02 +0200
commit75674eb06a28816af2a7331dcee4088cc1ab5f6d (patch)
tree8fb4b9a60e5320443fe4bd7d61a1764ddacbba42 /drivers/base
parent3563f55ce65462063543dfa6a8d8c7fbfb9d7772 (diff)
PM: sleep: Use ktime_us_delta() in initcall_debug_report()
Use ktime_us_delta() to make the debug log more precise instead of shifting the return value of ktime_to_ns() applied to a ktime_sub() result by 10 bit positions to the right. Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com> [ rjw: Changelog rewrite, subject edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index f893c3c5af07..d568772152c2 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -220,16 +220,13 @@ static void initcall_debug_report(struct device *dev, ktime_t calltime,
void *cb, int error)
{
ktime_t rettime;
- s64 nsecs;
if (!pm_print_times_enabled)
return;
rettime = ktime_get();
- nsecs = (s64) ktime_to_ns(ktime_sub(rettime, calltime));
-
dev_info(dev, "%pS returned %d after %Ld usecs\n", cb, error,
- (unsigned long long)nsecs >> 10);
+ (unsigned long long)ktime_us_delta(rettime, calltime));
}
/**