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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-01-07 15:31:40 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-15 11:24:23 +0100 |
| commit | c392f56c946033bd136043079a62b9188888828d (patch) | |
| tree | f2917dafcc643ce4d107f9bc355163ed64cfba41 /drivers/iommu/irq_remapping.c | |
| parent | 84d0779304b5c45134311dfc31b5a2325ce3ad84 (diff) | |
| download | lwn-c392f56c946033bd136043079a62b9188888828d.tar.gz lwn-c392f56c946033bd136043079a62b9188888828d.zip | |
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.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 91d5884d3ed9..e7449b42504d 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 |