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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2014-06-18 12:15:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-05 14:52:24 -0700 |
| commit | 5257a3de5b34b7f89f71026fb553a0b84736ff66 (patch) | |
| tree | 0df0950b432911e66fc2ce258e749945892ad9b0 /block | |
| parent | 97a4115f3d3b7add0983dcc78dfd99ff19007bdd (diff) | |
| download | lwn-5257a3de5b34b7f89f71026fb553a0b84736ff66.tar.gz lwn-5257a3de5b34b7f89f71026fb553a0b84736ff66.zip | |
dmaengine: dw: don't perform DMA when dmaengine_submit is called
commit dd8ecfcac66b4485416b2d1df0ec4798b198d7d6 upstream.
Accordingly to discussion [1] and followed up documentation the DMA controller
driver shouldn't start any DMA operations when dmaengine_submit() is called.
This patch fixes the workflow in dw_dmac driver to follow the documentation.
[1] http://www.spinics.net/lists/arm-kernel/msg125987.html
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Cc: "Petallo, MauriceX R" <mauricex.r.petallo@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions