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From: James Clark <james.clark@arm.com>
To: suzuki.poulose@arm.com, mathieu.poirier@linaro.org,
	coresight@lists.linaro.org
Cc: leo.yan@linaro.com, mike.leach@linaro.org,
	James Clark <james.clark@arm.com>, Leo Yan <leo.yan@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 07/15] coresight: Make ETM4x TRCEVENTCTL1R register accesses consistent with sysreg.h
Date: Thu,  3 Feb 2022 12:05:55 +0000	[thread overview]
Message-ID: <20220203120604.128396-8-james.clark@arm.com> (raw)
In-Reply-To: <20220203120604.128396-1-james.clark@arm.com>

This is a no-op change for style and consistency and has no effect on the
binary produced by gcc-11.

Signed-off-by: James Clark <james.clark@arm.com>
---
 .../coresight/coresight-etm4x-sysfs.c         | 25 +++++++++++--------
 drivers/hwtracing/coresight/coresight-etm4x.h |  9 +++++++
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index 4c29ab4464a0..cfa6f72a1e39 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -384,16 +384,16 @@ static ssize_t mode_store(struct device *dev,
 	/* bit[11], AMBA Trace Bus (ATB) trigger enable bit */
 	if ((config->mode & ETM_MODE_ATB_TRIGGER) &&
 	    (drvdata->atbtrig == true))
-		config->eventctrl1 |= BIT(11);
+		config->eventctrl1 |= TRCEVENTCTL1R_ATB;
 	else
-		config->eventctrl1 &= ~BIT(11);
+		config->eventctrl1 &= ~TRCEVENTCTL1R_ATB;
 
 	/* bit[12], Low-power state behavior override bit */
 	if ((config->mode & ETM_MODE_LPOVERRIDE) &&
 	    (drvdata->lpoverride == true))
-		config->eventctrl1 |= BIT(12);
+		config->eventctrl1 |= TRCEVENTCTL1R_LPOVERRIDE;
 	else
-		config->eventctrl1 &= ~BIT(12);
+		config->eventctrl1 &= ~TRCEVENTCTL1R_LPOVERRIDE;
 
 	/* bit[8], Instruction stall bit */
 	if ((config->mode & ETM_MODE_ISTALL_EN) && (drvdata->stallctl == true))
@@ -534,7 +534,7 @@ static ssize_t event_instren_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	val = BMVAL(config->eventctrl1, 0, 3);
+	val = REG_VAL(config->eventctrl1, TRCEVENTCTL1R_INSTEN);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -551,23 +551,28 @@ static ssize_t event_instren_store(struct device *dev,
 
 	spin_lock(&drvdata->spinlock);
 	/* start by clearing all instruction event enable bits */
-	config->eventctrl1 &= ~(BIT(0) | BIT(1) | BIT(2) | BIT(3));
+	config->eventctrl1 &= ~(TRCEVENTCTL1R_INSTEN_MASK << TRCEVENTCTL1R_INSTEN_SHIFT);
 	switch (drvdata->nr_event) {
 	case 0x0:
 		/* generate Event element for event 1 */
-		config->eventctrl1 |= val & BIT(1);
+		config->eventctrl1 |= val & TRCEVENTCTL1R_INSTEN_1;
 		break;
 	case 0x1:
 		/* generate Event element for event 1 and 2 */
-		config->eventctrl1 |= val & (BIT(0) | BIT(1));
+		config->eventctrl1 |= val & (TRCEVENTCTL1R_INSTEN_0 | TRCEVENTCTL1R_INSTEN_1);
 		break;
 	case 0x2:
 		/* generate Event element for event 1, 2 and 3 */
-		config->eventctrl1 |= val & (BIT(0) | BIT(1) | BIT(2));
+		config->eventctrl1 |= val & (TRCEVENTCTL1R_INSTEN_0 |
+					     TRCEVENTCTL1R_INSTEN_1 |
+					     TRCEVENTCTL1R_INSTEN_2);
 		break;
 	case 0x3:
 		/* generate Event element for all 4 events */
-		config->eventctrl1 |= val & 0xF;
+		config->eventctrl1 |= val & (TRCEVENTCTL1R_INSTEN_0 |
+					     TRCEVENTCTL1R_INSTEN_1 |
+					     TRCEVENTCTL1R_INSTEN_2 |
+					     TRCEVENTCTL1R_INSTEN_3);
 		break;
 	default:
 		break;
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index 55e756020a94..eb72b81bbf85 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -211,6 +211,15 @@
 #define TRCCONFIGR_DA				BIT(16)
 #define TRCCONFIGR_DV				BIT(17)
 
+#define TRCEVENTCTL1R_INSTEN_SHIFT		0
+#define TRCEVENTCTL1R_INSTEN_MASK		GENMASK(3, 0)
+#define TRCEVENTCTL1R_INSTEN_0			BIT(0)
+#define TRCEVENTCTL1R_INSTEN_1			BIT(1)
+#define TRCEVENTCTL1R_INSTEN_2			BIT(2)
+#define TRCEVENTCTL1R_INSTEN_3			BIT(3)
+#define TRCEVENTCTL1R_ATB			BIT(11)
+#define TRCEVENTCTL1R_LPOVERRIDE		BIT(12)
+
 /*
  * System instructions to access ETM registers.
  * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions
-- 
2.28.0


  parent reply	other threads:[~2022-02-03 12:06 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-03 12:05 [PATCH v2 00/15] Make ETM " James Clark
2022-02-03 12:05 ` [PATCH v2 01/15] coresight: Make ETM4x TRCIDR0 " James Clark
2022-02-07  5:44   ` Anshuman Khandual
2022-02-07 19:02     ` Mathieu Poirier
2022-02-08 15:04     ` Suzuki K Poulose
2022-02-09  9:32       ` Mike Leach
2022-02-25 16:28         ` James Clark
2022-02-08 11:36   ` Mike Leach
2022-02-03 12:05 ` [PATCH v2 02/15] coresight: Make ETM4x TRCIDR2 " James Clark
2022-02-03 12:05 ` [PATCH v2 03/15] coresight: Make ETM4x TRCIDR3 " James Clark
2022-02-03 12:05 ` [PATCH v2 04/15] coresight: Make ETM4x TRCIDR4 " James Clark
2022-02-03 12:05 ` [PATCH v2 05/15] coresight: Make ETM4x TRCIDR5 " James Clark
2022-02-03 12:05 ` [PATCH v2 06/15] coresight: Make ETM4x TRCCONFIGR " James Clark
2022-02-03 12:05 ` James Clark [this message]
2022-02-07 19:03   ` [PATCH v2 07/15] coresight: Make ETM4x TRCEVENTCTL1R " Mathieu Poirier
2022-02-03 12:05 ` [PATCH v2 08/15] coresight: Make ETM4x TRCSTALLCTLR " James Clark
2022-02-03 12:05 ` [PATCH v2 09/15] coresight: Make ETM4x TRCVICTLR " James Clark
2022-02-03 12:05 ` [PATCH v2 10/15] coresight: Make ETM3x ETMTECR1 " James Clark
2022-02-03 12:05 ` [PATCH v2 11/15] coresight: Make ETM4x TRCACATRn " James Clark
2022-02-03 12:06 ` [PATCH v2 12/15] coresight: Make ETM4x TRCSSCCRn and TRCSSCSRn " James Clark
2022-02-03 12:06 ` [PATCH v2 13/15] coresight: Make ETM4x TRCSSPCICRn " James Clark
2022-02-03 12:06 ` [PATCH v2 14/15] coresight: Make ETM4x TRCBBCTLR " James Clark
2022-02-03 12:06 ` [PATCH v2 15/15] coresight: Make ETM4x TRCRSCTLRn " James Clark
2022-02-08 18:58   ` Mathieu Poirier
2022-02-07  5:51 ` [PATCH v2 00/15] Make ETM " Anshuman Khandual
2022-02-07 10:03   ` James Clark

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