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Diffstat (limited to 'arch/x86/pci/i386.c')
-rw-r--r--arch/x86/pci/i386.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 794b092d01ae..91821a1a0c3a 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -254,26 +254,6 @@ void __init pcibios_resource_survey(void)
254 */ 254 */
255fs_initcall(pcibios_assign_resources); 255fs_initcall(pcibios_assign_resources);
256 256
257/*
258 * If we set up a device for bus mastering, we need to check the latency
259 * timer as certain crappy BIOSes forget to set it properly.
260 */
261unsigned int pcibios_max_latency = 255;
262
263void pcibios_set_master(struct pci_dev *dev)
264{
265 u8 lat;
266 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
267 if (lat < 16)
268 lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
269 else if (lat > pcibios_max_latency)
270 lat = pcibios_max_latency;
271 else
272 return;
273 dev_printk(KERN_DEBUG, &dev->dev, "setting latency timer to %d\n", lat);
274 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
275}
276
277static const struct vm_operations_struct pci_mmap_ops = { 257static const struct vm_operations_struct pci_mmap_ops = {
278 .access = generic_access_phys, 258 .access = generic_access_phys,
279}; 259};