linux-kernel - [PATCH v4 05/30] coresight: tpiu: Clean up device specific data

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]

Date:   Wed, 22 May 2019 11:34:38 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, mathieu.poirier@...aro.org,
        coresight@...ts.linaro.org,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: [PATCH v4 05/30] coresight: tpiu: Clean up device specific data

Switch to using the coresight device instead of the parent
amba device.

Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/hwtracing/coresight/coresight-tpiu.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 63d9af3..4dd3e7f 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -49,13 +49,11 @@
 
 /**
  * @base:	memory mapped base address for this component.
- * @dev:	the device entity associated to this component.
  * @atclk:	optional clock for the core parts of the TPIU.
  * @csdev:	component vitals needed by the framework.
  */
 struct tpiu_drvdata {
 	void __iomem		*base;
-	struct device		*dev;
 	struct clk		*atclk;
 	struct coresight_device	*csdev;
 };
@@ -75,7 +73,7 @@ static int tpiu_enable(struct coresight_device *csdev, u32 mode, void *__unused)
 
 	tpiu_enable_hw(drvdata);
 	atomic_inc(csdev->refcnt);
-	dev_dbg(drvdata->dev, "TPIU enabled\n");
+	dev_dbg(&csdev->dev, "TPIU enabled\n");
 	return 0;
 }
 
@@ -104,7 +102,7 @@ static int tpiu_disable(struct coresight_device *csdev)
 
 	tpiu_disable_hw(drvdata);
 
-	dev_dbg(drvdata->dev, "TPIU disabled\n");
+	dev_dbg(&csdev->dev, "TPIU disabled\n");
 	return 0;
 }
 
@@ -139,7 +137,6 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
 	if (!drvdata)
 		return -ENOMEM;
 
-	drvdata->dev = &adev->dev;
 	drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */
 	if (!IS_ERR(drvdata->atclk)) {
 		ret = clk_prepare_enable(drvdata->atclk);
-- 
2.7.4