diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-28 14:59:07 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-28 14:59:07 -0700 |
commit | adb2705a89e8b41abcf29c0ed86f4ce93ab36734 (patch) | |
tree | 01d772570d58cce24b61874e711fd9f51e2729e7 /include/asm-parisc | |
parent | f340c0d1a3f40fdcba69cd291530a4debc58748f (diff) | |
parent | 8644d2a42bdba2d513f71c07eaf1b6f9b718b8eb (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
Diffstat (limited to 'include/asm-parisc')
-rw-r--r-- | include/asm-parisc/pci.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h index 0763c2982fb..ee741c15017 100644 --- a/include/asm-parisc/pci.h +++ b/include/asm-parisc/pci.h @@ -230,6 +230,25 @@ extern inline void pcibios_register_hba(struct pci_hba_data *x) /* export the pci_ DMA API in terms of the dma_ one */ #include <asm-generic/pci-dma-compat.h> +#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_MULTIPLE; + *strategy_parameter = cacheline_size; +} +#endif + extern void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res); |