From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
This patch tidyups rsnd_dma_probe(), but there is no effect.
This is prepare for Gen4 support.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
sound/soc/sh/rcar/dma.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index b422c3bd34de..9aca5ff791a3 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -885,13 +885,18 @@ int rsnd_dma_probe(struct rsnd_priv *priv)
/*
* for Gen2 or later
*/
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "audmapp");
dmac = devm_kzalloc(dev, sizeof(*dmac), GFP_KERNEL);
- if (!dmac || !res) {
+ if (!dmac) {
dev_err(dev, "dma allocate failed\n");
return 0; /* it will be PIO mode */
}
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "audmapp");
+ if (!res) {
+ dev_err(dev, "lack of audmapp in DT\n");
+ return 0; /* it will be PIO mode */
+ }
+
dmac->dmapp_num = 0;
dmac->ppres = res->start;
dmac->ppbase = devm_ioremap_resource(dev, res);
--
2.25.1
