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coresight: tpiu: Clean up device specific data

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

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2019-06-19 11:29:14 -06:00 committed by Greg Kroah-Hartman
parent c95e224fee
commit fa87fa7967
1 changed files with 2 additions and 5 deletions
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7
drivers/hwtracing/coresight/coresight-tpiu.c
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@ -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);