static void coresight_disable_sink(struct coresight_device *csdev)
{
if (atomic_dec_return(csdev->refcnt) == 0) {
if (sink_ops(csdev)->disable) {
sink_ops(csdev)->disable(csdev);
csdev->enable = false;
}
}
}
static int coresight_enable_sink(struct coresight_device *csdev, u32 mode)
{
int ret;
if (!csdev->enable) {
if (sink_ops(csdev)->enable) {
ret = sink_ops(csdev)->enable(csdev, mode);
if (ret)
return ret;
}
csdev->enable = true;
}
atomic_inc(csdev->refcnt);
return 0;
}
static int coresight_enable_sink(struct coresight_device *csdev,
u32 mode, void *data)
{
int ret;
/*
* We need to make sure the "new" session is compatible with the
* existing "mode" of operation.
*/
if (sink_ops(csdev)->enable) {
ret = sink_ops(csdev)->enable(csdev, mode, data);
if (ret)
return ret;
csdev->enable = true;
}
atomic_inc(csdev->refcnt);
return 0;
}
