linux-kernel - [PATCH 13/25] coresight: etb10: Clean up device specific data

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Message-Id: <1553107783-3340-14-git-send-email-suzuki.poulose@arm.com>
Date:   Wed, 20 Mar 2019 18:49:30 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        coresight@...ts.linaro.org, mike.leach@...aro.org,
        robert.walker@....com, Suzuki K Poulose <suzuki.poulose@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: [PATCH 13/25] coresight: etb10: Clean up device specific data

Track the coresight device instead of the real device.

Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/hwtracing/coresight/coresight-etb10.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 105782e..a471cbd 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -97,12 +97,12 @@ static unsigned int etb_get_buffer_depth(struct etb_drvdata *drvdata)
 {
 	u32 depth = 0;
 
-	pm_runtime_get_sync(drvdata->dev);
+	pm_runtime_get_sync(drvdata->dev->parent);
 
 	/* RO registers don't need locking */
 	depth = readl_relaxed(drvdata->base + ETB_RAM_DEPTH_REG);
 
-	pm_runtime_put(drvdata->dev);
+	pm_runtime_put(drvdata->dev->parent);
 	return depth;
 }
 
@@ -701,7 +701,6 @@ static int etb_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);
@@ -740,6 +739,7 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
 	if (IS_ERR(drvdata->csdev))
 		return PTR_ERR(drvdata->csdev);
 
+	drvdata->dev = &drvdata->csdev->dev;
 	drvdata->miscdev.name = pdata->name;
 	drvdata->miscdev.minor = MISC_DYNAMIC_MINOR;
 	drvdata->miscdev.fops = &etb_fops;
-- 
2.7.4