From: Leo Yan <leo.yan@arm.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>,
James Clark <james.clark@linaro.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Cc: Leo Yan <leo.yan@arm.com>
Subject: [PATCH v2 8/9] coresight: Make clock sequence consistent
Date: Wed, 23 Apr 2025 16:17:25 +0100 [thread overview]
Message-ID: <20250423151726.372561-9-leo.yan@arm.com> (raw)
In-Reply-To: <20250423151726.372561-1-leo.yan@arm.com>
Since atclk is enabled after pclk during the probe phase, this commit
maintains the same sequence for the runtime resume flow.
Signed-off-by: Leo Yan <leo.yan@arm.com>
---
drivers/hwtracing/coresight/coresight-funnel.c | 6 +++---
drivers/hwtracing/coresight/coresight-replicator.c | 6 +++---
drivers/hwtracing/coresight/coresight-stm.c | 6 +++---
drivers/hwtracing/coresight/coresight-tpiu.c | 6 +++---
4 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index 173fee3aaa6e..62e5125c37ad 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -296,11 +296,11 @@ static int funnel_runtime_resume(struct device *dev)
{
struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
- if (drvdata && !IS_ERR(drvdata->atclk))
- clk_prepare_enable(drvdata->atclk);
-
if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk))
clk_prepare_enable(drvdata->pclk);
+
+ if (drvdata && !IS_ERR(drvdata->atclk))
+ clk_prepare_enable(drvdata->atclk);
return 0;
}
#endif
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 7250a2174145..56b03e6d8336 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -334,11 +334,11 @@ static int replicator_runtime_resume(struct device *dev)
{
struct replicator_drvdata *drvdata = dev_get_drvdata(dev);
- if (drvdata && !IS_ERR(drvdata->atclk))
- clk_prepare_enable(drvdata->atclk);
-
if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk))
clk_prepare_enable(drvdata->pclk);
+
+ if (drvdata && !IS_ERR(drvdata->atclk))
+ clk_prepare_enable(drvdata->atclk);
return 0;
}
#endif
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 89e90e7f54de..f17986edac00 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -969,11 +969,11 @@ static int stm_runtime_resume(struct device *dev)
{
struct stm_drvdata *drvdata = dev_get_drvdata(dev);
- if (drvdata && !IS_ERR(drvdata->atclk))
- clk_prepare_enable(drvdata->atclk);
-
if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk))
clk_prepare_enable(drvdata->pclk);
+
+ if (drvdata && !IS_ERR(drvdata->atclk))
+ clk_prepare_enable(drvdata->atclk);
return 0;
}
#endif
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index b3d0db0e53b9..4701b34778bd 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -218,11 +218,11 @@ static int tpiu_runtime_resume(struct device *dev)
{
struct tpiu_drvdata *drvdata = dev_get_drvdata(dev);
- if (drvdata && !IS_ERR(drvdata->atclk))
- clk_prepare_enable(drvdata->atclk);
-
if (drvdata && !IS_ERR_OR_NULL(drvdata->pclk))
clk_prepare_enable(drvdata->pclk);
+
+ if (drvdata && !IS_ERR(drvdata->atclk))
+ clk_prepare_enable(drvdata->atclk);
return 0;
}
#endif
--
2.34.1
next prev parent reply other threads:[~2025-04-23 15:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-23 15:17 [PATCH v2 0/9] coresight: Fix and improve clock usage Leo Yan
2025-04-23 15:17 ` [PATCH v2 1/9] coresight: tmc: Support atclk Leo Yan
2025-04-23 15:17 ` [PATCH v2 2/9] coresight: catu: " Leo Yan
2025-04-23 15:17 ` [PATCH v2 3/9] coresight: etm4x: " Leo Yan
2025-04-23 15:17 ` [PATCH v2 4/9] coresight: Disable programming clock properly Leo Yan
2025-05-02 6:10 ` Anshuman Khandual
2025-05-06 9:54 ` Leo Yan
2025-05-07 5:59 ` Anshuman Khandual
2025-04-23 15:17 ` [PATCH v2 5/9] coresight: Disable trace bus " Leo Yan
2025-05-02 6:31 ` Anshuman Khandual
2025-04-23 15:17 ` [PATCH v2 6/9] coresight: Avoid enable programming clock duplicately Leo Yan
2025-05-02 6:38 ` Anshuman Khandual
2025-05-06 9:18 ` Leo Yan
2025-05-07 5:55 ` Anshuman Khandual
2025-04-23 15:17 ` [PATCH v2 7/9] coresight: Consolidate clock enabling Leo Yan
2025-05-05 7:28 ` Anshuman Khandual
2025-05-06 10:53 ` Leo Yan
2025-05-07 5:51 ` Anshuman Khandual
2025-04-23 15:17 ` Leo Yan [this message]
2025-05-02 6:56 ` [PATCH v2 8/9] coresight: Make clock sequence consistent Anshuman Khandual
2025-04-23 15:17 ` [PATCH v2 9/9] coresight: Refactor runtime PM Leo Yan
2025-05-02 8:45 ` Anshuman Khandual
2025-05-06 10:16 ` Leo Yan
2025-05-07 5:39 ` Anshuman Khandual
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