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authorMartin Roth <martinroth@google.com>2015-12-08 14:00:07 -0700
committerMartin Roth <martinroth@google.com>2015-12-10 16:32:21 +0100
commitf77516cb6dcc4671938475926d2ee55952cd2eec (patch)
tree67dd2c2237ed9c55da4166d332817f90e28a08e4 /src/mainboard/asus/f2a85-m_le
parent91d9cbc2fbc62ede85e4eae07c52c43ffe7a4eb3 (diff)
ACPI: Work around IASL warning reading/writing same register
The newer versions of IASL are unhappy when an operator has the same object as both source and destination. The warning can be completely disabled with a command line argument, but in general, I'd really rather not just disable warnings. The bits in this register are write 1 to clear, so reading and writing the same register is what we want to do. Instead, store it in a temporary register then write it in a second operation. Fixes warning: dsdt.aml 1396: Store(PWST, PWST) Warning 3023 - ^ Duplicate value in list (Source is the same as Target) Change-Id: I52d73d4431db237be83016d67cd397f31b53d9c6 Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/12691 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/asus/f2a85-m_le')
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