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ARM: 8873/1: perf: cleanup cppcheck shifting warning 

There is error from cppcheck tool.
"Shifting signed 32-bit value by 31 bits is undefined behaviour errors"

This error is false positive.
change to use BIT() macro for improvement.

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Phong Tran 2019-06-27 16:37:24 +01:00 committed by Russell King
parent fb2eca315d
commit 6f8f3570f2
1 changed files with 3 additions and 3 deletions
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6
arch/arm/kernel/perf_event_v7.c
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@ -697,9 +697,9 @@ static struct attribute_group armv7_pmuv2_events_attr_group = {
/*
* Event filters for PMUv2
*/
#define ARMV7_EXCLUDE_PL1 (1 << 31)
#define ARMV7_EXCLUDE_USER (1 << 30)
#define ARMV7_INCLUDE_HYP (1 << 27)
#define ARMV7_EXCLUDE_PL1 BIT(31)
#define ARMV7_EXCLUDE_USER BIT(30)
#define ARMV7_INCLUDE_HYP BIT(27)
/*
* Secure debug enable reg