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PM / Runtime: Fix runtime accounting calculation error

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With delta type being int, its value is made zero
for all values of now > 0x80000000.
Hence fixing it.

Signed-off-by: venu byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
venu byravarasu 2011-11-03 10:12:14 +01:00 committed by Rafael J. Wysocki
parent e9db50b839
commit def0c0a37d
1 changed files with 1 additions and 4 deletions
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5
drivers/base/power/runtime.c
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@ -29,13 +29,10 @@ static int rpm_suspend(struct device *dev, int rpmflags);
void update_pm_runtime_accounting(struct device *dev)
{
unsigned long now = jiffies;
int delta;
unsigned long delta;
delta = now - dev->power.accounting_timestamp;
if (delta < 0)
delta = 0;
dev->power.accounting_timestamp = now;
if (dev->power.disable_depth > 0)