diff options
| -rw-r--r-- | drivers/dma/sh/usb-dmac.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index ebd8a5f398b0..f305738b5adf 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -679,8 +679,11 @@ static int usb_dmac_runtime_suspend(struct device *dev) struct usb_dmac *dmac = dev_get_drvdata(dev); int i; - for (i = 0; i < dmac->n_channels; ++i) + for (i = 0; i < dmac->n_channels; ++i) { + if (!dmac->channels[i].iomem) + break; usb_dmac_chan_halt(&dmac->channels[i]); + } return 0; } @@ -803,7 +806,6 @@ static int usb_dmac_probe(struct platform_device *pdev) } ret = usb_dmac_init(dmac); - pm_runtime_put(&pdev->dev); if (ret) { dev_err(&pdev->dev, "failed to reset device\n"); @@ -851,10 +853,12 @@ static int usb_dmac_probe(struct platform_device *pdev) if (ret < 0) goto error; + pm_runtime_put(&pdev->dev); return 0; error: of_dma_controller_free(pdev->dev.of_node); + pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return ret; } |