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authorAnshuman Khandual <anshuman.khandual@arm.com>2024-04-04 12:59:34 +0530
committerSuzuki K Poulose <suzuki.poulose@arm.com>2024-05-01 11:12:02 +0100
commit8877ef45ef9ec281849870d88039f8dc84cde774 (patch)
treec593b063a97f8c2d3caedf6b1cbaa512a7b42d28 /fs/fhandle.c
parent2d7e8a64a1e79f76b9d1165db0b92190d4663848 (diff)
downloadlwn-8877ef45ef9ec281849870d88039f8dc84cde774.tar.gz
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coresight: tmc: Enable SG capability on ACPI based SoC-400 TMC ETR devices
This detects and enables the scatter gather capability (SG) on ACPI based Soc-400 TMC ETR devices via a new property called 'arm-armhc97c-sg-enable'. The updated ACPI spec can be found below, which contains this new property. https://developer.arm.com/documentation/den0067/latest/ This preserves current handling for the property 'arm,scatter-gather' both on ACPI and DT based platforms i.e the presence of the property is checked instead of the value. Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: James Clark <james.clark@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> 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/20240404072934.940760-1-anshuman.khandual@arm.com
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