linux-kernel - [PATCH v2 10/15] coresight: Make ETM3x ETMTECR1 register accesses consistent with sysreg.h

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220203120604.128396-11-james.clark@arm.com>
Date:   Thu,  3 Feb 2022 12:05:58 +0000
From:   James Clark <james.clark@....com>
To:     suzuki.poulose@....com, mathieu.poirier@...aro.org,
        coresight@...ts.linaro.org
Cc:     leo.yan@...aro.com, mike.leach@...aro.org,
        James Clark <james.clark@....com>,
        Leo Yan <leo.yan@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 10/15] coresight: Make ETM3x ETMTECR1 register accesses consistent with sysreg.h

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@....com>
---
 drivers/hwtracing/coresight/coresight-etm3x-core.c  | 2 +-
 drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index cf64ce73a741..35e4bdee848c 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -204,7 +204,7 @@ void etm_set_default(struct etm_config *config)
 	 *  set all bits in register 0x007, the ETMTECR2, to 0
 	 *  set register 0x008, the ETMTEEVR, to 0x6F (TRUE).
 	 */
-	config->enable_ctrl1 = BIT(24);
+	config->enable_ctrl1 = ETMTECR1_INC_EXC;
 	config->enable_ctrl2 = 0x0;
 	config->enable_event = ETM_HARD_WIRE_RES_A;
 
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
index e8c7649f123e..68fcbf4ce7a8 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
@@ -474,7 +474,7 @@ static ssize_t addr_start_store(struct device *dev,
 	config->addr_val[idx] = val;
 	config->addr_type[idx] = ETM_ADDR_TYPE_START;
 	config->startstop_ctrl |= (1 << idx);
-	config->enable_ctrl1 |= BIT(25);
+	config->enable_ctrl1 |= ETMTECR1_START_STOP;
 	spin_unlock(&drvdata->spinlock);
 
 	return size;
-- 
2.28.0