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| author | David S. Miller <davem@davemloft.net> | 2009-02-28 15:36:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-28 15:36:58 -0800 |
| commit | 18963caaf55240d6a0491bdb27b7fef2882ffb15 (patch) | |
| tree | d0e4365cae0ce401ba826809f4eef0bd755f4f2d /drivers/pci/intr_remapping.c | |
| parent | 98f8948f13b4d27c3695c49ac9a970a77166f9ee (diff) | |
| parent | 778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff) | |
| download | lwn-18963caaf55240d6a0491bdb27b7fef2882ffb15.tar.gz lwn-18963caaf55240d6a0491bdb27b7fef2882ffb15.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/pci/intr_remapping.c')
| -rw-r--r-- | drivers/pci/intr_remapping.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index f78371b22529..45effc5726c0 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -207,7 +207,7 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) return index; } -static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask) +static int qi_flush_iec(struct intel_iommu *iommu, int index, int mask) { struct qi_desc desc; @@ -215,7 +215,7 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask) | QI_IEC_SELECTIVE; desc.high = 0; - qi_submit_sync(&desc, iommu); + return qi_submit_sync(&desc, iommu); } int map_irq_to_irte_handle(int irq, u16 *sub_handle) @@ -283,6 +283,7 @@ int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index) int modify_irte(int irq, struct irte *irte_modified) { + int rc; int index; struct irte *irte; struct intel_iommu *iommu; @@ -303,14 +304,15 @@ int modify_irte(int irq, struct irte *irte_modified) set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1)); __iommu_flush_cache(iommu, irte, sizeof(*irte)); - qi_flush_iec(iommu, index, 0); - + rc = qi_flush_iec(iommu, index, 0); spin_unlock(&irq_2_ir_lock); - return 0; + + return rc; } int flush_irte(int irq) { + int rc; int index; struct intel_iommu *iommu; struct irq_2_iommu *irq_iommu; @@ -326,10 +328,10 @@ int flush_irte(int irq) index = irq_iommu->irte_index + irq_iommu->sub_handle; - qi_flush_iec(iommu, index, irq_iommu->irte_mask); + rc = qi_flush_iec(iommu, index, irq_iommu->irte_mask); spin_unlock(&irq_2_ir_lock); - return 0; + return rc; } struct intel_iommu *map_ioapic_to_ir(int apic) @@ -355,6 +357,7 @@ struct intel_iommu *map_dev_to_ir(struct pci_dev *dev) int free_irte(int irq) { + int rc = 0; int index, i; struct irte *irte; struct intel_iommu *iommu; @@ -375,7 +378,7 @@ int free_irte(int irq) if (!irq_iommu->sub_handle) { for (i = 0; i < (1 << irq_iommu->irte_mask); i++) set_64bit((unsigned long *)irte, 0); - qi_flush_iec(iommu, index, irq_iommu->irte_mask); + rc = qi_flush_iec(iommu, index, irq_iommu->irte_mask); } irq_iommu->iommu = NULL; @@ -385,7 +388,7 @@ int free_irte(int irq) spin_unlock(&irq_2_ir_lock); - return 0; + return rc; } static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode) |