tree cd76d7c44f00b1462753abdc98f371611acafc0f
parent 1141301c20706acd444637d7c5c6b201ad878c6e
author Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> 1562233985 +0530
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1562235806 +0200

coresight: Do not default to CPU0 for missing CPU phandle

Coresight platform support assumes that a missing "cpu" phandle
defaults to CPU0. This could be problematic and unnecessarily binds
components to CPU0, where they may not be. In coresight etm and
cpu-debug drivers, abort the probe for such cases.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Tested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/f1955ea19c714cf64ea54ec356a9aa85f3cd17b8.1562229018.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>