diff options
Diffstat (limited to 'arch/mn10300/unit-asb2305/pci-asb2305.c')
| -rw-r--r-- | arch/mn10300/unit-asb2305/pci-asb2305.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c index 8e6763e6f25..febb9cd8317 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.c +++ b/arch/mn10300/unit-asb2305/pci-asb2305.c @@ -213,28 +213,6 @@ void __init pcibios_resource_survey(void) pcibios_allocate_resources(1); } -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} - int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { @@ -243,7 +221,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, /* Leave vm_pgoff as-is, the PCI space address is the physical * address on this platform. */ - vma->vm_flags |= VM_LOCKED | VM_IO; + vma->vm_flags |= VM_LOCKED; prot = pgprot_val(vma->vm_page_prot); prot &= ~_PAGE_CACHE; |