coresight: trbe: Move check for kernel page table isolation from EL0 to probe

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Currently with the check present in the module initialisation, it shouts
on all the systems irrespective of presence of coresight trace buffer
extensions.

Similar to Arm SPE perf driver, move the check for kernel page table
isolation from  EL0 to the device probe stage instead of the module
initialisation so that it complains only on the systems that support TRBE.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: coresight@lists.linaro.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220203190159.3145272-1-sudeep.holla@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

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Sudeep Holla 2022-02-03 19:01:59 +00:00 • committed by Suzuki K Poulose

parent d05bbad013

commit ef1dacf4b3

1 changed files with 6 additions and 5 deletions

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drivers/hwtracing/coresight/coresight-trbe.c

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