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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-08-23 08:52:00 +0200 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2018-03-28 17:47:21 +0200 |
| commit | 282ffec565c2e9fe18bbb48c19767cccd2437f11 (patch) | |
| tree | 1f18aab2d7194f8f983b96a02f06b9805ac8431b /drivers/hwtracing/intel_th/intel_th.h | |
| parent | intel_th: Pick up irq number from resources (diff) | |
| download | linux-282ffec565c2e9fe18bbb48c19767cccd2437f11.tar.xz linux-282ffec565c2e9fe18bbb48c19767cccd2437f11.zip | |
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.h | 4 |
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) |