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(parent: 24b33c9) | patch
staging: xillybus: Open Firmware driver supporting coherent DMA
authorEli Billauer <eli.billauer@gmail.com>
Mon, 30 Dec 2013 21:16:25 +0000 (23:16 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Jan 2014 18:42:36 +0000 (10:42 -0800)
commitcc212550eed155d99e1d4b3e0cfa3510a3d9f9af
treea48a60af69bd10009cc8664debdbd73035e44c00tree | snapshot (tar.gz zip)
parent24b33c909ec9096c0613ae30aedd2b4ba2e89efacommit | diff
staging: xillybus: Open Firmware driver supporting coherent DMA

If the "dma-coherent" property is present in the device tree, the driver will
not perform cache invalidations. This feature significantly improves data
throughput and reduces CPU load.

Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/xillybus/xillybus_of.c diff | blob | blame | history