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-rw-r--r--include/asm-alpha/pci.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h
index 0c7b57bc043a..6c71dc1ad4ca 100644
--- a/include/asm-alpha/pci.h
+++ b/include/asm-alpha/pci.h
@@ -223,6 +223,23 @@ pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr,
223 /* Nothing to do. */ 223 /* Nothing to do. */
224} 224}
225 225
226static inline void pci_dma_burst_advice(struct pci_dev *pdev,
227 enum pci_dma_burst_strategy *strat,
228 unsigned long *strategy_parameter)
229{
230 unsigned long cacheline_size;
231 u8 byte;
232
233 pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
234 if (byte == 0)
235 cacheline_size = 1024;
236 else
237 cacheline_size = (int) byte * 4;
238
239 *strat = PCI_DMA_BURST_BOUNDARY;
240 *strategy_parameter = cacheline_size;
241}
242
226/* TODO: integrate with include/asm-generic/pci.h ? */ 243/* TODO: integrate with include/asm-generic/pci.h ? */
227static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 244static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
228{ 245{