summaryrefslogtreecommitdiffstats
path: root/include/asm-sparc64/pci.h
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-06-30 00:49:18 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-30 00:49:18 -0400
commit0c168775709faa74c1b87f1e61046e0c51ade7f3 (patch)
treec40fd8818c64c5d7d1d90afab0bd6ffd94505526 /include/asm-sparc64/pci.h
parent9bd481f85940726bf66aae5cd03c5b912ad0ae4c (diff)
parent9b4311eedb17fa88f02e4876cd6aa9a08e383cd6 (diff)
downloadkernel-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.h19
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);