From: Mark Brown <broonie@kernel.org> mainline inclusion from mainline-v5.18-rc1 commit 3a87d53853c57c4abea0a2f37cc874c102c2c712 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8DFTV CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- Add a SYS_FIELD_GET() helper to match SYS_FIELD_PREP(), providing a simplified interface to FIELD_GET() when using the generated defines with standardized naming. Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20220704170302.2609529-5-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Junhao He <hejunhao3@huawei.com> --- arch/arm64/include/asm/sysreg.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 80a9dac43479..62b81a00ac58 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -1232,6 +1232,9 @@ #endif +#define SYS_FIELD_GET(reg, field, val) \ + FIELD_GET(reg##_##field##_MASK, val) + #define SYS_FIELD_PREP(reg, field, val) \ FIELD_PREP(reg##_##field##_MASK, val) -- 2.33.0