diff options
Diffstat (limited to 'sound/soc/fsl/imx-rpmsg.c')
| -rw-r--r-- | sound/soc/fsl/imx-rpmsg.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c index e5bd63dab1..0f1ad7ad7d 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 |