commit | 5fc6d897fde352bad5db5767e7260741a8cdd9e9 | [log] [tgz] |
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author | Dan Williams <dan.j.williams@intel.com> | Thu Oct 07 16:44:50 2010 -0700 |
committer | Dan Williams <dan.j.williams@intel.com> | Thu Oct 07 17:08:32 2010 -0700 |
tree | cb918dd33b8288aadead08b04b9f308f9d8bcbd1 | |
parent | 400fb7f6a0cfe13025cb0296fdb4737da7025a8a [diff] |
async_tx: make async_tx channel switching opt-in The majority of drivers in drivers/dma/ will never establish cross channel operation chains and do not need the extra overhead in struct dma_async_tx_descriptor. Make channel switching opt-in by default. Cc: Anatolij Gustschin <agust@denx.de> Cc: Ira Snyder <iws@ovro.caltech.edu> Cc: Linus Walleij <linus.walleij@stericsson.com> Cc: Saeed Bishara <saeed@marvell.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>