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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2023-02-01 02:00:49 +0000
committerMark Brown <broonie@kernel.org>2023-02-01 11:43:54 +0000
commitbeab0aad7276795952d4bb52f88fe6bd2406404c (patch)
treeff69ef56c2c1b6c9a9fbb0c6555bf36ff6e42421 /sound/soc/sh
parentASoC: rsnd: tidyup rsnd_dma_addr() (diff)
downloadwireguard-linux-beab0aad7276795952d4bb52f88fe6bd2406404c.tar.xz
wireguard-linux-beab0aad7276795952d4bb52f88fe6bd2406404c.zip
ASoC: rsnd: dma.c: tidyup rsnd_dma_probe()
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@renesas.com> Link: https://lore.kernel.org/r/87r0va5elq.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh')
-rw-r--r--sound/soc/sh/rcar/dma.c9
1 files 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);