linux-stable/drivers/hwtracing
Anshuman Khandual c00701125c coresight: trbe: Directly use ID_AA64DFR0_EL1_TraceBuffer_IMP
is_trbe_available() checks for the TRBE support via extracting TraceBuffer
field value from ID_AA64DFR0_EL1, and ensures that it is implemented. This
replaces the open encoding '0b0001' with 'ID_AA64DFR0_EL1_TraceBuffer_IMP'
which is now available via sysreg tools. Functional change is not intended.

Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: James Clark <james.clark@arm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230802063658.1069813-1-anshuman.khandual@arm.com
2023-08-02 12:53:28 +01:00
..
coresight coresight: trbe: Directly use ID_AA64DFR0_EL1_TraceBuffer_IMP 2023-08-02 12:53:28 +01:00
intel_th Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
ptt hwtracing: hisi_ptt: Fix potential sleep in atomic context 2023-06-21 11:52:39 +01:00
stm - Daniel Verkamp has contributed a memfd series ("mm/memfd: add 2023-02-23 17:09:35 -08:00
Kconfig hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device 2022-09-08 16:26:17 -06:00