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

Suzuki K Poulose
2019-03-20T18:50:36Z

Track the coresight device instead of the real device.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.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