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ASoC: audio-graph-card2: Purge absent supplies for device tree nodes

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The audio graph card doesn't mark its subnodes such as multi {}, dpcm {}
and c2c {} as not requiring any suppliers. This causes a hang as Linux
waits for these phantom suppliers to show up on boot.
Make it clear these nodes have no suppliers.

Example error message:
[   15.208558] platform 2034000.i2s: deferred probe pending: platform: wait for supplier /sound/multi
[   15.208584] platform sound: deferred probe pending: asoc-audio-graph-card2: parse error

Signed-off-by: John Watts <contact@jookia.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20241108-graph_dt_fix-v1-1-173e2f9603d6@jookia.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
John Watts 2024-11-08 12:37:15 +11:00 committed by Mark Brown
parent 48b86532c1
commit f8da001ae7
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1 changed files with 3 additions and 0 deletions
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3
sound/soc/generic/audio-graph-card2.c
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@ -270,16 +270,19 @@ static enum graph_type __graph_get_type(struct device_node *lnk)
if (of_node_name_eq(np, GRAPH_NODENAME_MULTI)) {
ret = GRAPH_MULTI;
fw_devlink_purge_absent_suppliers(&np->fwnode);
goto out_put;
}
if (of_node_name_eq(np, GRAPH_NODENAME_DPCM)) {
ret = GRAPH_DPCM;
fw_devlink_purge_absent_suppliers(&np->fwnode);
goto out_put;
}
if (of_node_name_eq(np, GRAPH_NODENAME_C2C)) {
ret = GRAPH_C2C;
fw_devlink_purge_absent_suppliers(&np->fwnode);
goto out_put;
}