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authorBjorn Helgaas2014-04-30 11:20:53 -0600
committerBjorn Helgaas2014-05-20 16:54:21 -0600
commit77f2ea2f8d0833f9e976368481fb9a0775acf9e7 (patch)
tree007a1fb1dcfa6f9cb0baa26548af80b90148fabd /Documentation/fb/vt8623fb.txt
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
DMA-API: Clarify physical/bus address distinction
The DMA-API documentation sometimes refers to "physical addresses" when it really means "bus addresses." Sometimes these are identical, but they may be different if the bridge leading to the bus performs address translation. Update the documentation to use "bus address" when appropriate. Also, consistently capitalize "DMA", use parens with function names, use dev_printk() in examples, and reword a few sections for clarity. No functional change; documentation changes only. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: James Bottomley <jbottomley@Parallels.com> Acked-by: Randy Dunlap <rdunlap@infradead.org>
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