[PATCH v3 1/5] Documentation: DT: vdma: Rename vdma-chan prefix to dma-chan

On Wed, 2016-04-06 at 22:13:59 +0000, Koul, Vinod wrote:

On Wed, 2016-04-06 at 23:16 +0200, Lars-Peter Clausen wrote:

quoted

On 04/06/2016 06:25 PM, Appana Durga Kedareswara Rao wrote:

quoted

a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt

quoted

quoted

+++
b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt

@@ -24,8 +24,8 @@ Optional properties:
 	{3}, flush s2mm channel

 Required child node properties:
-- compatible: It should be either "xlnx,axi-vdma-mm2s-channel"

or
-	"xlnx,axi-vdma-s2mm-channel".
+- compatible: It should be either "xlnx,axi-dma-mm2s-channel"
or
+	"xlnx,axi-dma-s2mm-channel".

This change is not backwards compatible and breaks every user of
the current
binding.

This commit http://git.kernel.org/cgit/linux/kernel/git/vkoul/slave-
dma.git/commit/?h=next&id=8e66e7d682b04f7141f8ae666908c8dcd7fc0bfa 
Renames xilinx_vdma_ prefix to xilinx_dma which includes renaming of
the above properties.

That patch changes driver from vdma to dma. It does not change property
name!

It does. Unfortunately there are no line numbers on that website, hence here an excerpt
from the commit you mention:

@@ -1220,26 +1220,26 @@ static int xilinx_vdma_chan_probe(struct xilinx_vdma_device *xdev,
 	if (!has_dre)
 		xdev->common.copy_align = fls(width - 1);
 
-	if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel")) {
+	if (of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel")) {
 		chan->direction = DMA_MEM_TO_DEV;
 		chan->id = 0;

	S?ren