diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 14e10de4a548..47fcebf39e9e 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -742,9 +742,6 @@ static int __init intel_prepare_irq_remapping(void) pr_info("%s does not support EIM\n", iommu->name); eim = 0; } - - /* Disable IRQ remapping if it is already enabled */ - iommu_disable_irq_remapping(iommu); } eim_mode = eim; @@ -777,7 +774,8 @@ static int __init intel_enable_irq_remapping(void) * Setup Interrupt-remapping for all the DRHD's now. */ for_each_iommu(iommu, drhd) { - iommu_enable_irq_remapping(iommu); + if (!ir_pre_enabled(iommu)) + iommu_enable_irq_remapping(iommu); setup = true; } |