summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/irq_remapping.c
diff options
context:
space:
mode:
authorJiang Liu <jiang.liu@linux.intel.com>2015-01-07 15:31:40 +0800
committerThomas Gleixner <tglx@linutronix.de>2015-01-15 11:24:23 +0100
commitc392f56c946033bd136043079a62b9188888828d (patch)
treef2917dafcc643ce4d107f9bc355163ed64cfba41 /drivers/iommu/irq_remapping.c
parent84d0779304b5c45134311dfc31b5a2325ce3ad84 (diff)
downloadop-kernel-dev-c392f56c946033bd136043079a62b9188888828d.zip
op-kernel-dev-c392f56c946033bd136043079a62b9188888828d.tar.gz
iommu/irq_remapping: Kill function irq_remapping_supported() and related code
Simplify irq_remapping code by killing irq_remapping_supported() and related interfaces. Joerg posted a similar patch at https://lkml.org/lkml/2014/12/15/490, so assume an signed-off from Joerg. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> Tested-by: Joerg Roedel <joro@8bytes.org> Cc: Tony Luck <tony.luck@intel.com> Cc: iommu@lists.linux-foundation.org Cc: H. Peter Anvin <hpa@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: David Rientjes <rientjes@google.com> Cc: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Richard Weinberger <richard@nod.at> Cc: Oren Twaig <oren@scalemp.com> Link: http://lkml.kernel.org/r/1420615903-28253-14-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/iommu/irq_remapping.c')
-rw-r--r--drivers/iommu/irq_remapping.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 91d5884d..e7449b4 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -199,19 +199,11 @@ void set_irq_remapping_broken(void)
irq_remap_broken = 1;
}
-int irq_remapping_supported(void)
+int __init irq_remapping_prepare(void)
{
if (disable_irq_remap)
- return 0;
-
- if (!remap_ops || !remap_ops->supported)
- return 0;
+ return -ENOSYS;
- return remap_ops->supported();
-}
-
-int __init irq_remapping_prepare(void)
-{
remap_ops = &intel_irq_remap_ops;
#ifdef CONFIG_AMD_IOMMU
OpenPOWER on IntegriCloud