diff options
author | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
commit | f46e374c1ea7fafce70a838f09fbd67de3e4d49f (patch) | |
tree | e191e5316bdb8558bd3e2b0981c715bedd225ca7 /drivers/iommu/intel_irq_remapping.c | |
parent | a4d3621e0d3ecf191961dc9214e4a378a7186780 (diff) | |
parent | eb8ca943bae2b84c3fc14dfd7a908cb334465fef (diff) |
Merge branch 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
* 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: marzen: enable thermal sensor
ARM: shmobile: marzen: fixup regulator id for smsc911x
ARM: shmobile: marzen: add SDHI0 support
+ sync to 3.6-rc4
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
-rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index e0b18f3ae9a..af8904de1d4 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -736,6 +736,7 @@ int __init parse_ioapics_under_ir(void) { struct dmar_drhd_unit *drhd; int ir_supported = 0; + int ioapic_idx; for_each_drhd_unit(drhd) { struct intel_iommu *iommu = drhd->iommu; @@ -748,13 +749,20 @@ int __init parse_ioapics_under_ir(void) } } - if (ir_supported && ir_ioapic_num != nr_ioapics) { - printk(KERN_WARNING - "Not all IO-APIC's listed under remapping hardware\n"); - return -1; + if (!ir_supported) + return 0; + + for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) { + int ioapic_id = mpc_ioapic_id(ioapic_idx); + if (!map_ioapic_to_ir(ioapic_id)) { + pr_err(FW_BUG "ioapic %d has no mapping iommu, " + "interrupt remapping will be disabled\n", + ioapic_id); + return -1; + } } - return ir_supported; + return 1; } int __init ir_dev_scope_init(void) |