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coresight: Remove cpu field from platform data

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CPU field is only used by ETMs and there is a separate API
for fetching the same. So, let us use that instead of using
the common platform probing helper. Also, remove it from the
platform_data.

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 13:52:56 -06:00 committed by Greg Kroah-Hartman
parent 91824db2ea
commit aff70a45fe
4 changed files with 2 additions and 5 deletions
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2
drivers/hwtracing/coresight/coresight-etm3x.c
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@ -819,7 +819,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
drvdata->cpu = pdata ? pdata->cpu : 0;
drvdata->cpu = coresight_get_cpu(dev);
cpus_read_lock();
etmdrvdata[drvdata->cpu] = drvdata;

2
drivers/hwtracing/coresight/coresight-etm4x.c
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@ -1105,7 +1105,7 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
spin_lock_init(&drvdata->spinlock);
drvdata->cpu = pdata ? pdata->cpu : 0;
drvdata->cpu = coresight_get_cpu(dev);
cpus_read_lock();
etmdrvdata[drvdata->cpu] = drvdata;

1
drivers/hwtracing/coresight/coresight-platform.c
View File

@ -325,7 +325,6 @@ coresight_get_platform_data(struct device *dev)
/* Use device name as sysfs handle */
pdata->name = dev_name(dev);
pdata->cpu = coresight_get_cpu(dev);
if (is_of_node(fwnode))
ret = of_get_coresight_platform_data(dev, pdata);

2
include/linux/coresight.h
View File

@ -91,14 +91,12 @@ union coresight_dev_subtype {
/**
* struct coresight_platform_data - data harvested from the DT specification
* @cpu: the CPU a source belongs to. Only applicable for ETM/PTMs.
* @name: name of the component as shown under sysfs.
* @nr_inport: number of input ports for this component.
* @nr_outport: number of output ports for this component.
* @conns: Array of nr_outport connections from this component
*/
struct coresight_platform_data {
int cpu;
const char *name;
int nr_inport;
int nr_outport;