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authorElyes HAOUAS <ehaouas@noos.fr>2019-03-01 10:45:44 +0100
committerPatrick Georgi <pgeorgi@google.com>2019-03-04 13:57:45 +0000
commit2796b242b20ca4276f64d09ddabc3ee4c5a81148 (patch)
treed32d368a73afd34f1ac73021163acd11d72fb0af /Documentation/community
parentee69f73dbf1934db7a45088eb3ad1d8b110cbb92 (diff)
downloadcoreboot-2796b242b20ca4276f64d09ddabc3ee4c5a81148.tar.xz
nb/intel/i945: Remove redundant use of ACPI offset operator
IASL version 20180927 and greater, detects Unnecessary/redundant uses of the Offset() operator within a Field Unit list. It then sends a remark "^ Unnecessary/redundant use of Offset" example: OperationRegion (OPR1, SystemMemory, 0x100, 0x100) Field (OPR1) { Offset (0), // Never needed FLD1, 32, Offset (4), // Redundant, offset is already 4 (bytes) FLD2, 8, Offset (64), // OK use of Offset. FLD3, 16, } We will have those remarks: dsdt.asl 14: Offset (0), Remark 2158 - ^ Unnecessary/redundant use of Offset operator dsdt.asl 16: Offset (4), Remark 2158 - ^ Unnecessary/redundant use of Offset operator Change-Id: Ie1f2a2ace335af7984209c9e286b9f85e5342a7e Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/31671 Reviewed-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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