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2015-02-04coresight: remove the unnecessary function coresight_is_bit_set()Kaixu Xia1-3/+0
This function coresight_is_bit_set() isn't called, so we should remove it. Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-12coresight: Fixing wrong #ifdef/#endif placementMathieu Poirier1-5/+5
Fixing problem reported by: https://lkml.org/lkml/2015/1/6/86 The #ifdef/#endif is wrong and prevents the stub of function of_get_coresight_platform_data() from being visible when CONFIG_OF is not defined. Moving CONFIG_OF condition out of CONFIG_CORESIGHT, making them both independent. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-12coresight: remove the unused macro CORESIGHT_DEBUGFS_ENTRYXia Kaixu1-9/+0
Debugfs isn't used for coresight configuration, so the macro CORESIGHT_DEBUGFS_ENTRY is unnecessary, just remove it. Signed-off-by: Xia Kaixu <xiakaixu@huawei.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26coresight: fixed comments in coresight.hPankaj Dubey1-3/+3
fixes following minor issues in code comments in coresight.h - typo %s/enpoint/endpoint - alignment of comment section for struct coresight_desc - correction of comment for struct coresight_connection and struct coresight_device. Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07coresight: add CoreSight core layer frameworkPratik Patel1-0/+263
CoreSight components are compliant with the ARM CoreSight architecture specification and can be connected in various topologies to suit a particular SoC tracing needs. These trace components can generally be classified as sources, links and sinks. Trace data produced by one or more sources flows through the intermediate links connecting the source to the currently selected sink. The CoreSight framework provides an interface for the CoreSight trace drivers to register themselves with. It's intended to build up a topological view of the CoreSight components and configure the correct serie of components on user input via sysfs. For eg., when enabling a source, the framework builds up a path consisting of all the components connecting the source to the currently selected sink(s) and enables all of them. The framework also supports switching between available sinks and provides status information to user space applications through the debugfs interface. Signed-off-by: Pratik Patel <pratikp@codeaurora.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>