diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 390031df3edf..033dce563c99 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -430,9 +430,9 @@ static const struct intel_th_subdevice { .nres = 1, .res = { { - /* Handle TSCU from GTH driver */ + /* Handle TSCU and CTS from GTH driver */ .start = REG_GTH_OFFSET, - .end = REG_TSCU_OFFSET + REG_TSCU_LENGTH - 1, + .end = REG_CTS_OFFSET + REG_CTS_LENGTH - 1, .flags = IORESOURCE_MEM, }, }, @@ -988,6 +988,27 @@ int intel_th_trace_enable(struct intel_th_device *thdev) EXPORT_SYMBOL_GPL(intel_th_trace_enable); /** + * intel_th_trace_switch() - execute a switch sequence + * @thdev: output device that requests tracing switch + */ +int intel_th_trace_switch(struct intel_th_device *thdev) +{ + struct intel_th_device *hub = to_intel_th_device(thdev->dev.parent); + struct intel_th_driver *hubdrv = to_intel_th_driver(hub->dev.driver); + + if (WARN_ON_ONCE(hub->type != INTEL_TH_SWITCH)) + return -EINVAL; + + if (WARN_ON_ONCE(thdev->type != INTEL_TH_OUTPUT)) + return -EINVAL; + + hubdrv->trig_switch(hub, &thdev->output); + + return 0; +} +EXPORT_SYMBOL_GPL(intel_th_trace_switch); + +/** * intel_th_trace_disable() - disable tracing for an output device * @thdev: output device that requests tracing be disabled */ |