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From e024f669994ad52e1df2ff4001f7715f9a86566b Mon Sep 17 00:00:00 2001
From: Guo Zhengkui <guozhengkui@vivo.com>
Date: Tue, 9 Nov 2021 15:50:51 +0800
Subject: [PATCH 65/86] ACPI: processor idle: Use swap() instead of open coding
it
commit 0e6078c3c6737df7d0bd0c890fbadf24a27fffbb upstream
Address the following coccicheck warning:
./drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c:914:40-41:
WARNING opportunity for swap().
by using swap() for the swapping of variable values and drop
the tmp variable that is not needed any more.
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
[ rjw: Subject and changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com>
---
drivers/acpi/processor_idle.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index dc880dad2ade..fdd0ce789cc8 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -20,6 +20,7 @@
#include <linux/tick.h>
#include <linux/cpuidle.h>
#include <linux/cpu.h>
+#include <linux/minmax.h>
#include <acpi/processor.h>
/*
@@ -400,13 +401,10 @@ static int acpi_cst_latency_cmp(const void *a, const void *b)
static void acpi_cst_latency_swap(void *a, void *b, int n)
{
struct acpi_processor_cx *x = a, *y = b;
- u32 tmp;
if (!(x->valid && y->valid))
return;
- tmp = x->latency;
- x->latency = y->latency;
- y->latency = tmp;
+ swap(x->latency, y->latency);
}
static int acpi_processor_power_verify(struct acpi_processor *pr)
--
2.37.3
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