diff options
| author | Andy Voltz <andy.voltz@timesys.com> | 2010-11-15 16:00:38 -0500 |
|---|---|---|
| committer | Andy Voltz <andy.voltz@timesys.com> | 2010-11-17 11:30:34 -0500 |
| commit | 2e0ae4bf137e282e825b27b02eb46f86c59d004e (patch) | |
| tree | 7c2534acd757ca414f02c5b983ee67eb2b2493c6 /arch/x86/pci | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
Bump Linux kernel to 2.6.32.25
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/i386.c | 9 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index b22d13b0c71d..a672f12afe34 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -282,6 +282,15 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, return -EINVAL; prot = pgprot_val(vma->vm_page_prot); + + /* + * Return error if pat is not enabled and write_combine is requested. + * Caller can followup with UC MINUS request and add a WC mtrr if there + * is a free mtrr slot. + */ + if (!pat_enabled && write_combine) + return -EINVAL; + if (pat_enabled && write_combine) prot |= _PAGE_CACHE_WC; else if (pat_enabled || boot_cpu_data.x86 > 3) diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 0696d506c4ad..b02f6d8ac922 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -590,6 +590,8 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH10_1: case PCI_DEVICE_ID_INTEL_ICH10_2: case PCI_DEVICE_ID_INTEL_ICH10_3: + case PCI_DEVICE_ID_INTEL_CPT_LPC1: + case PCI_DEVICE_ID_INTEL_CPT_LPC2: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; |