diff options
Diffstat (limited to 'sound/soc/stm/stm32_spdifrx.c')
| -rw-r--r-- | sound/soc/stm/stm32_spdifrx.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c index 48145f553588..6f7882c4fe6a 100644 --- a/sound/soc/stm/stm32_spdifrx.c +++ b/sound/soc/stm/stm32_spdifrx.c @@ -12,6 +12,7 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/of_platform.h> +#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/reset.h> @@ -405,12 +406,9 @@ static int stm32_spdifrx_dma_ctrl_register(struct device *dev, int ret; spdifrx->ctrl_chan = dma_request_chan(dev, "rx-ctrl"); - if (IS_ERR(spdifrx->ctrl_chan)) { - if (PTR_ERR(spdifrx->ctrl_chan) != -EPROBE_DEFER) - dev_err(dev, "dma_request_slave_channel error %ld\n", - PTR_ERR(spdifrx->ctrl_chan)); - return PTR_ERR(spdifrx->ctrl_chan); - } + if (IS_ERR(spdifrx->ctrl_chan)) + return dev_err_probe(dev, PTR_ERR(spdifrx->ctrl_chan), + "dma_request_slave_channel error\n"); spdifrx->dmab = devm_kzalloc(dev, sizeof(struct snd_dma_buffer), GFP_KERNEL); @@ -929,12 +927,9 @@ static int stm32_spdifrx_parse_of(struct platform_device *pdev, spdifrx->phys_addr = res->start; spdifrx->kclk = devm_clk_get(&pdev->dev, "kclk"); - if (IS_ERR(spdifrx->kclk)) { - if (PTR_ERR(spdifrx->kclk) != -EPROBE_DEFER) - dev_err(&pdev->dev, "Could not get kclk: %ld\n", - PTR_ERR(spdifrx->kclk)); - return PTR_ERR(spdifrx->kclk); - } + if (IS_ERR(spdifrx->kclk)) + return dev_err_probe(&pdev->dev, PTR_ERR(spdifrx->kclk), + "Could not get kclk\n"); spdifrx->irq = platform_get_irq(pdev, 0); if (spdifrx->irq < 0) @@ -955,6 +950,7 @@ static int stm32_spdifrx_remove(struct platform_device *pdev) snd_dmaengine_pcm_unregister(&pdev->dev); snd_soc_unregister_component(&pdev->dev); + pm_runtime_disable(&pdev->dev); return 0; } @@ -985,12 +981,9 @@ static int stm32_spdifrx_probe(struct platform_device *pdev) spdifrx->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "kclk", spdifrx->base, spdifrx->regmap_conf); - if (IS_ERR(spdifrx->regmap)) { - if (PTR_ERR(spdifrx->regmap) != -EPROBE_DEFER) - dev_err(&pdev->dev, "Regmap init error %ld\n", - PTR_ERR(spdifrx->regmap)); - return PTR_ERR(spdifrx->regmap); - } + if (IS_ERR(spdifrx->regmap)) + return dev_err_probe(&pdev->dev, PTR_ERR(spdifrx->regmap), + "Regmap init error\n"); ret = devm_request_irq(&pdev->dev, spdifrx->irq, stm32_spdifrx_isr, 0, dev_name(&pdev->dev), spdifrx); @@ -1000,23 +993,20 @@ static int stm32_spdifrx_probe(struct platform_device *pdev) } rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL); - if (IS_ERR(rst)) { - if (PTR_ERR(rst) != -EPROBE_DEFER) - dev_err(&pdev->dev, "Reset controller error %ld\n", - PTR_ERR(rst)); - return PTR_ERR(rst); - } + if (IS_ERR(rst)) + return dev_err_probe(&pdev->dev, PTR_ERR(rst), + "Reset controller error\n"); + reset_control_assert(rst); udelay(2); reset_control_deassert(rst); + pm_runtime_enable(&pdev->dev); + pcm_config = &stm32_spdifrx_pcm_config; ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, 0); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, "PCM DMA register error %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, "PCM DMA register error\n"); ret = snd_soc_register_component(&pdev->dev, &stm32_spdifrx_component, |