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Define the fields of the DEVARCH register for identifying a component as an ETMv4.x unit. Going forward, we use the DEVARCH register for the component identification, rather than the TRCIDR3. Link: https://lore.kernel.org/r/20210110224850.1880240-14-suzuki.poulose@arm.com Cc: Mike Leach <mike.leach@linaro.org> 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/20210201181351.1475223-16-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>