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coresight: platform: Cleanup coresight connection handling

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The platform code parses the component connections and populates
a platform-description of the output connections in arrays of fields
(which is never freed). This is later copied in the coresight_register
to a newly allocated area, represented by coresight_connection(s).

This patch cleans up the code dealing with connections by making
use of the "coresight_connection" structure right at the platform
code and lets the generic driver simply re-use information provided
by the platform.

Thus making it reader friendly as well as avoiding the wastage of
unused memory.

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 2018-09-20 13:17:42 -06:00 • committed by Greg Kroah-Hartman
parent 2058224f54
commit c2c729415b
3 changed files with 22 additions and 61 deletions
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9
include/linux/coresight.h
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@ -94,20 +94,15 @@ union coresight_dev_subtype {
* @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.
* @outports: list of remote endpoint port number.
* @child_names:name of all child components connected to this device.
* @child_ports:child component port number the current component is
connected to.
* @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 *outports;
const char **child_names;
int *child_ports;
int nr_outport;
struct coresight_connection *conns;
};
/**