summaryrefslogtreecommitdiff
path: root/drivers/hwtracing/intel_th/intel_th.h
diff options
context:
space:
mode:
authorAlexander Shishkin <alexander.shishkin@linux.intel.com>2017-08-23 09:52:00 +0300
committerAlexander Shishkin <alexander.shishkin@linux.intel.com>2018-03-28 18:47:21 +0300
commit282ffec565c2e9fe18bbb48c19767cccd2437f11 (patch)
tree1f18aab2d7194f8f983b96a02f06b9805ac8431b /drivers/hwtracing/intel_th/intel_th.h
parent661b0df8489a35da4ee8acaaf43f204a913ccfc9 (diff)
intel_th: Allow forcing host mode through drvdata
Some devices can only operate in host mode, so we need means of communicating this to the core driver on per-device basis. This adds a flag to drvdata to signal host-only capability to the core. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Diffstat (limited to 'drivers/hwtracing/intel_th/intel_th.h')
-rw-r--r--drivers/hwtracing/intel_th/intel_th.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index cdeed3b017d0..780206dc9012 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -42,9 +42,11 @@ struct intel_th_output {
/**
* struct intel_th_drvdata - describes hardware capabilities and quirks
* @tscu_enable: device needs SW to enable time stamping unit
+ * @host_mode_only: device can only operate in 'host debugger' mode
*/
struct intel_th_drvdata {
- unsigned int tscu_enable : 1;
+ unsigned int tscu_enable : 1,
+ host_mode_only : 1;
};
#define INTEL_TH_CAP(_th, _cap) ((_th)->drvdata ? (_th)->drvdata->_cap : 0)