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authorThomas Chou <thomas@wytron.com.tw>2009-10-04 23:33:20 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-07 03:50:14 -0700
commit0baa080c75cea6357bfba9b93ba598d747457cbd (patch)
treefdfc6dbcb0d93226dd95a84d31192f43d147cfb6 /include
parent050f91dcd9a45a14449dded5180f633692b588d2 (diff)
downloadlinux-0baa080c75cea6357bfba9b93ba598d747457cbd.tar.bz2
ethoc: use system memory as buffer
This patch enabled the ethoc to allocate system memory as buffer when there is no dedicated buffer memory. Some hardware designs may not have dedicated buffer memory such as on chip or off chip SRAM. In this case, only one memory resource is supplied in the platform data instead of two. Then a DMA buffer can be allocated from system memory and used for the transfer. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
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