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coresight: Cleanup device subtype struct
Clean up our struct a little bit by using a union instead of a struct for tracking the subtype of a device. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> 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>
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1 changed files with 12 additions and 9 deletions
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@ -63,17 +63,20 @@ enum coresight_dev_subtype_source {
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};
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/**
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* struct coresight_dev_subtype - further characterisation of a type
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* union coresight_dev_subtype - further characterisation of a type
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* @sink_subtype: type of sink this component is, as defined
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by @coresight_dev_subtype_sink.
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* by @coresight_dev_subtype_sink.
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* @link_subtype: type of link this component is, as defined
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by @coresight_dev_subtype_link.
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* by @coresight_dev_subtype_link.
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* @source_subtype: type of source this component is, as defined
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by @coresight_dev_subtype_source.
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* by @coresight_dev_subtype_source.
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*/
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struct coresight_dev_subtype {
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enum coresight_dev_subtype_sink sink_subtype;
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enum coresight_dev_subtype_link link_subtype;
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union coresight_dev_subtype {
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/* We have some devices which acts as LINK and SINK */
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struct {
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enum coresight_dev_subtype_sink sink_subtype;
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enum coresight_dev_subtype_link link_subtype;
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};
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enum coresight_dev_subtype_source source_subtype;
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};
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@ -111,7 +114,7 @@ struct coresight_platform_data {
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*/
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struct coresight_desc {
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enum coresight_dev_type type;
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struct coresight_dev_subtype subtype;
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union coresight_dev_subtype subtype;
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const struct coresight_ops *ops;
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struct coresight_platform_data *pdata;
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struct device *dev;
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@ -155,7 +158,7 @@ struct coresight_device {
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int nr_inport;
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int nr_outport;
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enum coresight_dev_type type;
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struct coresight_dev_subtype subtype;
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union coresight_dev_subtype subtype;
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const struct coresight_ops *ops;
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struct device dev;
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atomic_t *refcnt;
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