[PATCH] arm64: cpufeature: Use defined macro instead of magic numbers
From: Shaokun Zhang <hidden>
Date: 2021-07-14 06:16:27
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Macro 'CLIDR_LOUU_SHIFT' and 'CLIDR_LOUIS_SHIFT' are defined, so use these to replace the magic numbers. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Signed-off-by: Shaokun Zhang <redacted> --- arch/arm64/kernel/cpufeature.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 125d5c9471ac..4ee3496bcff8 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c@@ -1733,7 +1733,7 @@ static void cpu_has_fwb(const struct arm64_cpu_capabilities *__unused) u64 val = read_sysreg_s(SYS_CLIDR_EL1); /* Check that CLIDR_EL1.LOU{U,IS} are both 0 */ - WARN_ON(val & (7 << 27 | 7 << 21)); + WARN_ON(val & (7 << CLIDR_LOUU_SHIFT | 7 << CLIDR_LOUIS_SHIFT)); } #ifdef CONFIG_ARM64_PAN
--
2.7.4
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