diff options
| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-28 14:59:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-28 14:59:07 -0700 |
| commit | adb2705a89e8b41abcf29c0ed86f4ce93ab36734 (patch) | |
| tree | 01d772570d58cce24b61874e711fd9f51e2729e7 /include/asm-alpha | |
| parent | f340c0d1a3f40fdcba69cd291530a4debc58748f (diff) | |
| parent | 8644d2a42bdba2d513f71c07eaf1b6f9b718b8eb (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
Diffstat (limited to 'include/asm-alpha')
| -rw-r--r-- | include/asm-alpha/pci.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h index 0c7b57bc043..b7806aa3785 100644 --- a/include/asm-alpha/pci.h +++ b/include/asm-alpha/pci.h @@ -223,6 +223,25 @@ pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, /* Nothing to do. */ } +#ifdef CONFIG_PCI +static inline void pci_dma_burst_advice(struct pci_dev *pdev, + enum pci_dma_burst_strategy *strat, + unsigned long *strategy_parameter) +{ + unsigned long cacheline_size; + u8 byte; + + pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); + if (byte == 0) + cacheline_size = 1024; + else + cacheline_size = (int) byte * 4; + + *strat = PCI_DMA_BURST_BOUNDARY; + *strategy_parameter = cacheline_size; +} +#endif + /* TODO: integrate with include/asm-generic/pci.h ? */ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { |