2884132ae8
With new version of TMC ETR, there are differing set of features supported by the TMC. Add the capability of a given TMC ETR for making safer decisions at runtime. The device configuration register of the TMC (DEVID) lists some of the capabilities. So, we can detect some of them at probe. However, some of the features (or changes in behavior) are not advertised and we have to depend on the PID to infer the features. So we use a static description of the "unadvertised" capabilities attached to the PID. Combining both, the static and the dynamic capabilities, we maintain a bitmask of the available features which can be later checked to take appropriate actions. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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