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ACPI: processor_perflib: Simplify code and stop using CPUFREQ_START

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acpi_processor_ppc_notifier() can live without using CPUFREQ_START
(which is gonna be removed soon), as it is only used while setting
ignore_ppc to 0. This can be done with the help of "ignore_ppc < 0"
check alone. The notifier function anyway ignores all events except
CPUFREQ_ADJUST and dropping CPUFREQ_START wouldn't harm at all.

Once CPUFREQ_START event is removed from the cpufreq core,
acpi_processor_ppc_notifier() will get called only for CPUFREQ_NOTIFY or
CPUFREQ_ADJUST event. Drop the return statement from the first if block
to make sure we don't ignore any such events.

Signed-off-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Viresh Kumar 2017-01-30 09:59:57 +05:30 • committed by Rafael J. Wysocki
commit fa29ae5f22
1 changed files with 1 additions and 3 deletions
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4
drivers/acpi/processor_perflib.c
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@ -75,10 +75,8 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
struct acpi_processor *pr;
unsigned int ppc = 0;
if (event == CPUFREQ_START && ignore_ppc <= 0) {
if (ignore_ppc < 0)
ignore_ppc = 0;
return 0;
}
if (ignore_ppc)
return 0;