[PATCH 1/2] ACPI: processor_perflib: Simplify code and stop using CPUFREQ_START

From: Viresh Kumar
Date: Thu Jan 05 2017 - 01:06:28 EST


acpi_processor_ppc_notifier() can live without using CPUFREQ_START
(which is gonna be removed soon). Simplify it a bit.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
Rebased over: https://marc.info/?l=linux-kernel&m=148359167516831&w=2

drivers/acpi/processor_perflib.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index f0b4a981b8d3..1ceea1143a1c 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -75,14 +75,12 @@ 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) {
- ignore_ppc = 0;
- return 0;
- }
-
if (ignore_ppc)
return 0;

+ if (ignore_ppc < 0)
+ ignore_ppc = 0;
+
if (event != CPUFREQ_ADJUST)
return 0;

--
2.7.1.410.g6faf27b