[PATCH v6 02/12] arm64/mte: Make TCF0 naming and field values more standard

[Mark Brown]

In preparation for automatic generation of SCTLR_EL1 register definitions
make the macros used to define SCTLR_EL1.TCF0 and the enumeration values it
has more standard so they can be used with FIELD_PREP() via the newly
defined SYS_FIELD_PREP_ helpers.

Since the field also exists in SCTLR_EL2 with the same values also rename
the macros to SCTLR_ELx rather than SCTLR_EL1.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Brown <broonie at kernel.org>
Acked-by: Mark Rutland <mark.rutland at arm.com
---
 arch/arm64/include/asm/sysreg.h | 8 ++++----
 arch/arm64/kernel/mte.c         | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 8543a315c5ca..6dc840be0268 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -678,10 +678,10 @@
 #define SCTLR_EL1_ATA0		(BIT(42))
 
 #define SCTLR_EL1_TCF0_SHIFT	38
-#define SCTLR_EL1_TCF0_NONE	(UL(0x0) << SCTLR_EL1_TCF0_SHIFT)
-#define SCTLR_EL1_TCF0_SYNC	(UL(0x1) << SCTLR_EL1_TCF0_SHIFT)
-#define SCTLR_EL1_TCF0_ASYNC	(UL(0x2) << SCTLR_EL1_TCF0_SHIFT)
-#define SCTLR_EL1_TCF0_ASYMM	(UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
+#define SCTLR_EL1_TCF0_NONE	(UL(0x0))
+#define SCTLR_EL1_TCF0_SYNC	(UL(0x1))
+#define SCTLR_EL1_TCF0_ASYNC	(UL(0x2))
+#define SCTLR_EL1_TCF0_ASYMM	(UL(0x3))
 #define SCTLR_EL1_TCF0_MASK	(UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
 
 #define SCTLR_EL1_BT1		(BIT(36))
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 78b3e0f8e997..41469b69a48e 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -216,11 +216,11 @@ static void mte_update_sctlr_user(struct task_struct *task)
 	 * default order.
 	 */
 	if (resolved_mte_tcf & MTE_CTRL_TCF_ASYMM)
-		sctlr |= SCTLR_EL1_TCF0_ASYMM;
+		sctlr |= SYS_FIELD_PREP_ENUM(SCTLR_EL1, TCF0, ASYMM);
 	else if (resolved_mte_tcf & MTE_CTRL_TCF_ASYNC)
-		sctlr |= SCTLR_EL1_TCF0_ASYNC;
+		sctlr |= SYS_FIELD_PREP_ENUM(SCTLR_EL1, TCF0, ASYNC);
 	else if (resolved_mte_tcf & MTE_CTRL_TCF_SYNC)
-		sctlr |= SCTLR_EL1_TCF0_SYNC;
+		sctlr |= SYS_FIELD_PREP_ENUM(SCTLR_EL1, TCF0, SYNC);
 	task->thread.sctlr_user = sctlr;
 }
 
-- 
2.30.2