diff options
| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-10-24 23:35:30 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-10-28 20:26:28 +0100 |
| commit | 79eb3581bcaae9b5677629d945e14da212aa76e2 (patch) | |
| tree | 1f68ed298a38909d142c70db262c3f08984f78ff /drivers/iommu/intel/irq_remapping.c | |
| parent | x86: Kill all traces of irq_remapping_get_irq_domain() (diff) | |
| download | linux-79eb3581bcaae9b5677629d945e14da212aa76e2.tar.xz linux-79eb3581bcaae9b5677629d945e14da212aa76e2.zip | |
iommu/vt-d: Simplify intel_irq_remapping_select()
Now that the old get_irq_domain() method has gone, consolidate on just the
map_XXX_to_iommu() functions.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-31-dwmw2@infradead.org
Diffstat (limited to 'drivers/iommu/intel/irq_remapping.c')
| -rw-r--r-- | drivers/iommu/intel/irq_remapping.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index bca44015bc1d..aeffda92b10b 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -203,13 +203,13 @@ static int modify_irte(struct irq_2_iommu *irq_iommu, return rc; } -static struct irq_domain *map_hpet_to_ir(u8 hpet_id) +static struct intel_iommu *map_hpet_to_iommu(u8 hpet_id) { int i; for (i = 0; i < MAX_HPET_TBS; i++) { if (ir_hpet[i].id == hpet_id && ir_hpet[i].iommu) - return ir_hpet[i].iommu->ir_domain; + return ir_hpet[i].iommu; } return NULL; } @@ -225,13 +225,6 @@ static struct intel_iommu *map_ioapic_to_iommu(int apic) return NULL; } -static struct irq_domain *map_ioapic_to_ir(int apic) -{ - struct intel_iommu *iommu = map_ioapic_to_iommu(apic); - - return iommu ? iommu->ir_domain : NULL; -} - static struct irq_domain *map_dev_to_ir(struct pci_dev *dev) { struct dmar_drhd_unit *drhd = dmar_find_matched_drhd_unit(dev); @@ -1418,12 +1411,14 @@ static int intel_irq_remapping_select(struct irq_domain *d, struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token) { + struct intel_iommu *iommu = NULL; + if (x86_fwspec_is_ioapic(fwspec)) - return d == map_ioapic_to_ir(fwspec->param[0]); + iommu = map_ioapic_to_iommu(fwspec->param[0]); else if (x86_fwspec_is_hpet(fwspec)) - return d == map_hpet_to_ir(fwspec->param[0]); + iommu = map_hpet_to_iommu(fwspec->param[0]); - return 0; + return iommu && d == iommu->ir_domain; } static const struct irq_domain_ops intel_ir_domain_ops = { |