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authorDave Jiang <dave.jiang@intel.com>2017-08-21 20:23:13 +0300
committerVinod Koul <vinod.koul@intel.com>2017-08-22 06:52:11 +0300
commitc678fa66341c7b82a57cfed0ba3656162e970f99 (patch)
tree1573dfbd3e1afb9ea57a8231183f836e51e12c43 /Documentation/dmaengine
parent61b5f54d8c1fafb97dace958a54cdd72b37138c3 (diff)
downloadlinux-c678fa66341c7b82a57cfed0ba3656162e970f99.tar.xz
dmaengine: remove DMA_SG as it is dead code in kernel
There are no in kernel consumers for DMA_SG op. Removing operation, dead code, and test code in dmatest. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Gary Hook <gary.hook@amd.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: Kedareswara rao Appana <appana.durga.rao@xilinx.com> Cc: Li Yang <leoyang.li@nxp.com> Cc: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'Documentation/dmaengine')
-rw-r--r--Documentation/dmaengine/provider.txt7
1 files changed, 0 insertions, 7 deletions
diff --git a/Documentation/dmaengine/provider.txt b/Documentation/dmaengine/provider.txt
index e33bc1c8ed2c..a75f52ff2e49 100644
--- a/Documentation/dmaengine/provider.txt
+++ b/Documentation/dmaengine/provider.txt
@@ -181,13 +181,6 @@ Currently, the types available are:
- Used by the client drivers to register a callback that will be
called on a regular basis through the DMA controller interrupt
- * DMA_SG
- - The device supports memory to memory scatter-gather
- transfers.
- - Even though a plain memcpy can look like a particular case of a
- scatter-gather transfer, with a single chunk to transfer, it's a
- distinct transaction type in the mem2mem transfers case
-
* DMA_PRIVATE
- The devices only supports slave transfers, and as such isn't
available for async transfers.