From b9702ae564c275436aaa1cdf9d4bf7af9b92a43c Mon Sep 17 00:00:00 2001 From: patrick Date: Fri, 26 Nov 2021 15:21:26 +0000 Subject: [PATCH] The IORT table usually only contains single mappings. While on the LX2K there is a non-single mapping for the networking subsystem, we don't yet have support for it and apparently Linux has trouble with it as well. So for now we can remove the code, because it uses an uninitialized variable and there's no easy way to fix it without re-thinking the concept. The code got there in the first place because it's a copy of the same pattern in our other IOMMU code. ok jsg@ --- sys/arch/arm64/dev/acpiiort.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/sys/arch/arm64/dev/acpiiort.c b/sys/arch/arm64/dev/acpiiort.c index 7bee4dac83e..93626c915c0 100644 --- a/sys/arch/arm64/dev/acpiiort.c +++ b/sys/arch/arm64/dev/acpiiort.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpiiort.c,v 1.4 2021/06/25 17:41:22 patrick Exp $ */ +/* $OpenBSD: acpiiort.c,v 1.5 2021/11/26 15:21:26 patrick Exp $ */ /* * Copyright (c) 2021 Patrick Wildt * @@ -169,13 +169,6 @@ acpiiort_device_map(struct aml_node *root, bus_dma_tag_t dmat) rid = map[i].output_base; break; } - - /* Mapping encodes number of IDs in the range minus one. */ - if (map[i].input_base <= rid && - rid <= map[i].input_base + map[i].number_of_ids) { - rid = map[i].output_base + (rid - map[i].input_base); - break; - } } /* No mapping found? Even weirder. */ -- 2.20.1