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authorPatrick Rudolph <patrick.rudolph@9elements.com>2019-12-13 12:16:06 +0100
committerFelix Held <felix-coreboot@felixheld.de>2020-01-09 14:22:51 +0000
commitc83bab62b3657d97299c8368b6c610e4cbf994b6 (patch)
treef568d7f66b4a3491c6292040db29905111771de4 /LICENSES
parent5c8ff794a8dcb0760c137d3b2dff1879a4a8dad6 (diff)
acpi: Be more ACPI compliant when generating _UID
* Add function to generate unique _UID using CRC32 * Add function to write the _UID based on a device's ACPI path ACPI devices that have the same _HID must use different _UID. Linux doesn't care about _UID if it's not used. Windows 10 verifies the ACPI code on boot and BSODs if two devices with the same _HID share the same _UID. Fixes BSOD seen on Windows 10. Change-Id: I47cd5396060d325f9ce338afced6af021e7ff2b4 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37695 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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