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Diffstat (limited to 'sound/soc/fsl/imx-rpmsg.c')
-rw-r--r--sound/soc/fsl/imx-rpmsg.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c
index e5bd63dab10c..0f1ad7ad7d27 100644
--- a/sound/soc/fsl/imx-rpmsg.c
+++ b/sound/soc/fsl/imx-rpmsg.c
@@ -108,10 +108,8 @@ static int imx_rpmsg_late_probe(struct snd_soc_card *card)
static int imx_rpmsg_probe(struct platform_device *pdev)
{
struct snd_soc_dai_link_component *dlc;
- struct device *dev = pdev->dev.parent;
- /* rpmsg_pdev is the platform device for the rpmsg node that probed us */
- struct platform_device *rpmsg_pdev = to_platform_device(dev);
- struct device_node *np = rpmsg_pdev->dev.of_node;
+ struct snd_soc_dai *cpu_dai;
+ struct device_node *np = NULL;
struct of_phandle_args args;
const char *platform_name;
struct imx_rpmsg *data;
@@ -127,10 +125,6 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
goto fail;
}
- ret = of_reserved_mem_device_init_by_idx(&pdev->dev, np, 0);
- if (ret)
- dev_warn(&pdev->dev, "no reserved DMA memory\n");
-
data->dai.cpus = &dlc[0];
data->dai.num_cpus = 1;
data->dai.platforms = &dlc[1];
@@ -152,6 +146,23 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
*/
data->dai.ignore_pmdown_time = 1;
+ data->dai.cpus->dai_name = pdev->dev.platform_data;
+ cpu_dai = snd_soc_find_dai(data->dai.cpus);
+ if (!cpu_dai) {
+ ret = -EPROBE_DEFER;
+ goto fail;
+ }
+ np = cpu_dai->dev->of_node;
+ if (!np) {
+ dev_err(&pdev->dev, "failed to parse CPU DAI device node\n");
+ ret = -ENODEV;
+ goto fail;
+ }
+
+ ret = of_reserved_mem_device_init_by_idx(&pdev->dev, np, 0);
+ if (ret)
+ dev_warn(&pdev->dev, "no reserved DMA memory\n");
+
/* Optional codec node */
ret = of_parse_phandle_with_fixed_args(np, "audio-codec", 0, 0, &args);
if (ret) {
@@ -170,7 +181,6 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
data->sysclk = clk_get_rate(clk);
}
- data->dai.cpus->dai_name = dev_name(&rpmsg_pdev->dev);
if (!of_property_read_string(np, "fsl,rpmsg-channel-name", &platform_name))
data->dai.platforms->name = platform_name;
else