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arm64: cpufeature: Use defined macro instead of magic numbers 

Use defined macro to simplify the code and make it more readable.

Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/1626415089-57584-1-git-send-email-zhangshaokun@hisilicon.com
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Shaokun Zhang 2021-07-16 13:58:09 +08:00 committed by Catalin Marinas
parent 79d82cbcbb
commit ff85f10ba8
1 changed files with 1 additions and 1 deletions
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arch/arm64/kernel/cpufeature.c
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@ -1734,7 +1734,7 @@ 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(CLIDR_LOUU(val) || CLIDR_LOUIS(val));
}
#ifdef CONFIG_ARM64_PAN