AuxXxilium/linux_dsm_epyc7002
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c3ac42626e
linux_dsm_epyc7002/drivers/hwtracing
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Suzuki K Poulose c3ac42626e coresight: etm4x: Fix accesses to TRCCIDCTLR1 
commit f2603b22e3d2dcffd8b0736e5c68df497af6bc84 upstream.

The TRCCIDCTLR1 is only implemented if TRCIDR4.NUMCIDC > 4.
Don't touch the register if it is not implemented.

Cc: stable@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
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/20201127175256.1092685-5-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-26 16:02:41 +01:00
..
coresight coresight: etm4x: Fix accesses to TRCCIDCTLR1 2020-12-26 16:02:41 +01:00
intel_th intel_th: pci: Add Alder Lake CPU support 2020-10-05 12:43:54 +02:00
stm stm class: ftrace: Use different channel accroding to CPU 2020-10-05 12:43:54 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00