[PATCH V3 04/14] arm64/sysreg: Rename TRBSR_EL1 fields per auto-gen tools format

Anshuman Khandual anshuman.khandual at arm.com
Tue Jun 13 23:59:39 PDT 2023


This renames TRBSR_EL1 register fields per auto-gen tools format without
causing any functional change in the TRBE driver.

Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: Marc Zyngier <maz at kernel.org>
Cc: Mark Brown <broonie at kernel.org>
Cc: Rob Herring <robh at kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose at arm.com>
Cc: James Morse <james.morse at arm.com>
Cc: kvmarm at lists.linux.dev
Cc: coresight at lists.linaro.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
---
 arch/arm64/include/asm/sysreg.h              | 26 ++++++++++----------
 drivers/hwtracing/coresight/coresight-trbe.c | 12 ++++-----
 drivers/hwtracing/coresight/coresight-trbe.h | 16 ++++++------
 3 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 896b9b6334b4..6ee331a52bb2 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -264,19 +264,19 @@
 #define TRBPTR_EL1_PTR_SHIFT		0
 #define TRBBASER_EL1_BASE_MASK		GENMASK_ULL(63, 12)
 #define TRBBASER_EL1_BASE_SHIFT		12
-#define TRBSR_EC_MASK			GENMASK(5, 0)
-#define TRBSR_EC_SHIFT			26
-#define TRBSR_IRQ			BIT(22)
-#define TRBSR_TRG			BIT(21)
-#define TRBSR_WRAP			BIT(20)
-#define TRBSR_ABORT			BIT(18)
-#define TRBSR_STOP			BIT(17)
-#define TRBSR_MSS_MASK			GENMASK(15, 0)
-#define TRBSR_MSS_SHIFT			0
-#define TRBSR_BSC_MASK			GENMASK(5, 0)
-#define TRBSR_BSC_SHIFT			0
-#define TRBSR_FSC_MASK			GENMASK(5, 0)
-#define TRBSR_FSC_SHIFT			0
+#define TRBSR_EL1_EC_MASK		GENMASK(31, 26)
+#define TRBSR_EL1_EC_SHIFT		26
+#define TRBSR_EL1_IRQ			BIT(22)
+#define TRBSR_EL1_TRG			BIT(21)
+#define TRBSR_EL1_WRAP			BIT(20)
+#define TRBSR_EL1_EA			BIT(18)
+#define TRBSR_EL1_S			BIT(17)
+#define TRBSR_EL1_MSS_MASK		GENMASK(15, 0)
+#define TRBSR_EL1_MSS_SHIFT		0
+#define TRBSR_EL1_BSC_MASK		GENMASK(5, 0)
+#define TRBSR_EL1_BSC_SHIFT		0
+#define TRBSR_EL1_FSC_MASK		GENMASK(5, 0)
+#define TRBSR_EL1_FSC_SHIFT		0
 #define TRBMAR_SHARE_MASK		GENMASK(1, 0)
 #define TRBMAR_SHARE_SHIFT		8
 #define TRBMAR_OUTER_MASK		GENMASK(3, 0)
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index 1d9d141c62e9..1bab91ce8e95 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -582,12 +582,12 @@ static void clr_trbe_status(void)
 	u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
 
 	WARN_ON(is_trbe_enabled());
-	trbsr &= ~TRBSR_IRQ;
-	trbsr &= ~TRBSR_TRG;
-	trbsr &= ~TRBSR_WRAP;
-	trbsr &= ~(TRBSR_EC_MASK << TRBSR_EC_SHIFT);
-	trbsr &= ~(TRBSR_BSC_MASK << TRBSR_BSC_SHIFT);
-	trbsr &= ~TRBSR_STOP;
+	trbsr &= ~TRBSR_EL1_IRQ;
+	trbsr &= ~TRBSR_EL1_TRG;
+	trbsr &= ~TRBSR_EL1_WRAP;
+	trbsr &= ~TRBSR_EL1_EC_MASK;
+	trbsr &= ~TRBSR_EL1_BSC_MASK;
+	trbsr &= ~TRBSR_EL1_S;
 	write_sysreg_s(trbsr, SYS_TRBSR_EL1);
 }
 
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
index 0b73d9d10aa8..3743d9085355 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.h
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -39,7 +39,7 @@ static inline bool is_trbe_enabled(void)
 
 static inline int get_trbe_ec(u64 trbsr)
 {
-	return (trbsr >> TRBSR_EC_SHIFT) & TRBSR_EC_MASK;
+	return (trbsr & TRBSR_EL1_EC_MASK) >> TRBSR_EL1_EC_SHIFT;
 }
 
 #define TRBE_BSC_NOT_STOPPED 0
@@ -48,40 +48,40 @@ static inline int get_trbe_ec(u64 trbsr)
 
 static inline int get_trbe_bsc(u64 trbsr)
 {
-	return (trbsr >> TRBSR_BSC_SHIFT) & TRBSR_BSC_MASK;
+	return (trbsr & TRBSR_EL1_BSC_MASK) >> TRBSR_EL1_BSC_SHIFT;
 }
 
 static inline void clr_trbe_irq(void)
 {
 	u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
 
-	trbsr &= ~TRBSR_IRQ;
+	trbsr &= ~TRBSR_EL1_IRQ;
 	write_sysreg_s(trbsr, SYS_TRBSR_EL1);
 }
 
 static inline bool is_trbe_irq(u64 trbsr)
 {
-	return trbsr & TRBSR_IRQ;
+	return trbsr & TRBSR_EL1_IRQ;
 }
 
 static inline bool is_trbe_trg(u64 trbsr)
 {
-	return trbsr & TRBSR_TRG;
+	return trbsr & TRBSR_EL1_TRG;
 }
 
 static inline bool is_trbe_wrap(u64 trbsr)
 {
-	return trbsr & TRBSR_WRAP;
+	return trbsr & TRBSR_EL1_WRAP;
 }
 
 static inline bool is_trbe_abort(u64 trbsr)
 {
-	return trbsr & TRBSR_ABORT;
+	return trbsr & TRBSR_EL1_EA;
 }
 
 static inline bool is_trbe_running(u64 trbsr)
 {
-	return !(trbsr & TRBSR_STOP);
+	return !(trbsr & TRBSR_EL1_S);
 }
 
 #define TRBE_TRIG_MODE_STOP		0
-- 
2.25.1




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