diff options
| -rw-r--r-- | drivers/char/hw_random/omap-rng.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index d2903e772..52aebbe73 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -127,7 +127,12 @@ static int omap_rng_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, priv); pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "Failed to runtime_get device: %d\n", ret); + pm_runtime_put_noidle(&pdev->dev); + goto err_ioremap; + } ret = hwrng_register(&omap_rng_ops); if (ret) @@ -182,8 +187,15 @@ static int omap_rng_suspend(struct device *dev) static int omap_rng_resume(struct device *dev) { struct omap_rng_private_data *priv = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_get_sync(dev); + if (ret) { + dev_err(dev, "Failed to runtime_get device: %d\n", ret); + pm_runtime_put_noidle(dev); + return ret; + } - pm_runtime_get_sync(dev); omap_rng_write_reg(priv, RNG_MASK_REG, 0x1); return 0; |