Current rsnd_dmaen_start() is calling of_node_put() for np,
but it is not needed if it goes through this loop.
This patch tidyup it
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
struct rsnd_mod *mod, char *name)
{
- struct dma_chan *chan;
+ struct dma_chan *chan = NULL;
struct device_node *np;
int i = 0;
for_each_child_of_node(of_node, np) {
- if (i == rsnd_mod_id(mod))
- break;
+ if (i == rsnd_mod_id(mod) && (!chan))
+ chan = of_dma_request_slave_channel(np, name);
i++;
}
- chan = of_dma_request_slave_channel(np, name);
-
- of_node_put(np);
+ /* It should call of_node_put(), since, it is rsnd_xxx_of_node() */
of_node_put(of_node);
return chan;