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authorIngo Molnar <mingo@kernel.org>2015-02-26 14:24:50 +0300
committerIngo Molnar <mingo@kernel.org>2015-02-26 14:24:50 +0300
commite9e4e44309f866b115d08ab4a54834008c50a8a4 (patch)
treeae9f91e682a4d6592ef263f30a4a0b1a862b7987 /drivers/iommu/amd_iommu_init.c
parent8a26ce4e544659256349551283414df504889a59 (diff)
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
downloadlinux-e9e4e44309f866b115d08ab4a54834008c50a8a4.tar.xz
Merge tag 'v4.0-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
-rw-r--r--drivers/iommu/amd_iommu_init.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index b0522f15730f..450ef5001a65 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2007-2010 Advanced Micro Devices, Inc.
- * Author: Joerg Roedel <joerg.roedel@amd.com>
+ * Author: Joerg Roedel <jroedel@suse.de>
* Leo Duran <leo.duran@amd.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -2014,9 +2014,6 @@ static bool detect_ivrs(void)
/* Make sure ACS will be enabled during PCI probe */
pci_request_acs();
- if (!disable_irq_remap)
- amd_iommu_irq_remap = true;
-
return true;
}
@@ -2123,12 +2120,14 @@ static int __init iommu_go_to_state(enum iommu_init_state state)
#ifdef CONFIG_IRQ_REMAP
int __init amd_iommu_prepare(void)
{
- return iommu_go_to_state(IOMMU_ACPI_FINISHED);
-}
+ int ret;
-int __init amd_iommu_supported(void)
-{
- return amd_iommu_irq_remap ? 1 : 0;
+ amd_iommu_irq_remap = true;
+
+ ret = iommu_go_to_state(IOMMU_ACPI_FINISHED);
+ if (ret)
+ return ret;
+ return amd_iommu_irq_remap ? 0 : -ENODEV;
}
int __init amd_iommu_enable(void)