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We are about to rely on TRCDEVARCH for detecting the ETM and its architecture version, falling back to TRCIDR1 if the former is not implemented (in older broken implementations). Also, we use the architecture version information to make some decisions. Streamline the architecture version handling by adding helpers. Link: https://lore.kernel.org/r/20210110224850.1880240-18-suzuki.poulose@arm.com Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20210201181351.1475223-20-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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