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author | Jeff Garzik <jgarzik@pobox.com> | 2005-06-30 00:49:18 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-30 00:49:18 -0400 |
commit | 0c168775709faa74c1b87f1e61046e0c51ade7f3 (patch) | |
tree | c40fd8818c64c5d7d1d90afab0bd6ffd94505526 /include/asm-sparc64/pci.h | |
parent | 9bd481f85940726bf66aae5cd03c5b912ad0ae4c (diff) | |
parent | 9b4311eedb17fa88f02e4876cd6aa9a08e383cd6 (diff) | |
download | kernel-crypto-0c168775709faa74c1b87f1e61046e0c51ade7f3.tar.gz kernel-crypto-0c168775709faa74c1b87f1e61046e0c51ade7f3.tar.xz kernel-crypto-0c168775709faa74c1b87f1e61046e0c51ade7f3.zip |
Merge upstream 2.6.13-rc1-git1 into 'ieee80211' branch of netdev-2.6.
Diffstat (limited to 'include/asm-sparc64/pci.h')
-rw-r--r-- | include/asm-sparc64/pci.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h index 2a0c85cd1c1..84e41c1ef3f 100644 --- a/include/asm-sparc64/pci.h +++ b/include/asm-sparc64/pci.h @@ -220,6 +220,25 @@ static inline int pci_dma_mapping_error(dma_addr_t dma_addr) return (dma_addr == PCI_DMA_ERROR_CODE); } +#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 + /* Return the index of the PCI controller for device PDEV. */ extern int pci_domain_nr(struct pci_bus *bus); |