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rcar: src: skip disabled-SRC nodes 

The current device tree representation of the R-Car Sample Rate Converters
(SRC) assumes that they are numbered consecutively, starting from 0. Alas,
this  is not  the case with the R8A7794 SoC where SRC0 isn't present.  In
order to keep the existing  device trees working, I'm suggesting to use a
disabled node for SRC0.  Teach the SRC probe  to just skip disabled nodes.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sergei Shtylyov 2016-05-12 01:36:40 +03:00 committed by Mark Brown
parent ee057d2ee7
commit de1965159a
1 changed files with 4 additions and 0 deletions
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4
sound/soc/sh/rcar/src.c
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@ -572,6 +572,9 @@ int rsnd_src_probe(struct rsnd_priv *priv)
i = 0;
for_each_child_of_node(node, np) {
if (!of_device_is_available(np))
goto skip;
src = rsnd_src_get(priv, i);
snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d",
@ -595,6 +598,7 @@ int rsnd_src_probe(struct rsnd_priv *priv)
if (ret)
goto rsnd_src_probe_done;
skip:
i++;
}