Robin Murphy 65aabd2966 ACPI/IORT: Check node revision for PMCG resources ... commit da5fb9e1ad upstream. The original version of the IORT PMCG definition had an oversight wherein there was no way to describe the second register page for an implementation using the recommended RELOC_CTRS feature. Although the spec was fixed, and the final patches merged to ACPICA and Linux written against the new version, it seems that some old firmware based on the original revision has survived and turned up in the wild. Add a check for the original PMCG definition, and avoid filling in the second memory resource with nonsense if so. Otherwise it is likely that something horrible will happen when the PMCG driver attempts to probe. Reported-by: Michael Petlan <mpetlan@redhat.com> Fixes: 24e5160493 ("ACPI/IORT: Add support for PMCG") Cc: <stable@vger.kernel.org> # 5.2.x Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Link: https://lore.kernel.org/r/75628ae41c257fb73588f7bf1c4459160e04be2b.1643916258.git.robin.murphy@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-02-16 12:56:19 +01:00
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Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	ACPI: arm64: Move DMA setup operations out of IORT	2021-06-25 15:02:43 +02:00
dma.c	ACPI: arm64: Move DMA setup operations out of IORT	2021-06-25 15:02:43 +02:00
gtdt.c	acpi/arm64: fix next_platform_timer() section mismatch error	2021-10-12 17:41:19 +01:00
iort.c	ACPI/IORT: Check node revision for PMCG resources	2022-02-16 12:56:19 +01:00