From e6a6b34f97efe3ded077b31f4370b4c1206c9e56 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 3 May 2022 18:02:22 +0100 Subject: [PATCH] arm64/sysreg: Introduce helpers for access to sysreg fields The macros we define for the bitfields within sysregs have very regular names, especially once we switch to automatic generation of those macros. Take advantage of this to define wrappers around FIELD_PREP() allowing us to simplify setting values in fields either numerically SYS_FIELD_PREP(SCTLR_EL1, TCF0, 0x0) or using the values of enumerations within the fields SYS_FIELD_PREP_ENUM(SCTLR_EL1, TCF0, ASYMM) Suggested-by: Mark Rutland Signed-off-by: Mark Brown Link: https://lore.kernel.org/r/20220503170233.507788-2-broonie@kernel.org Signed-off-by: Catalin Marinas --- arch/arm64/include/asm/sysreg.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index fbf5f8bb90555..8543a315c5caa 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -1345,4 +1345,10 @@ #endif +#define SYS_FIELD_PREP(reg, field, val) \ + FIELD_PREP(reg##_##field##_MASK, val) + +#define SYS_FIELD_PREP_ENUM(reg, field, val) \ + FIELD_PREP(reg##_##field##_MASK, reg##_##field##_##val) + #endif /* __ASM_SYSREG_H */ -- 2.30.2