diff options
Diffstat (limited to 'drivers/mfd/ab8500-gpadc.c')
-rw-r--r-- | drivers/mfd/ab8500-gpadc.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c index af1db2a45e86..65f72284185d 100644 --- a/drivers/mfd/ab8500-gpadc.c +++ b/drivers/mfd/ab8500-gpadc.c @@ -878,9 +878,12 @@ static int ab8500_gpadc_runtime_suspend(struct device *dev) static int ab8500_gpadc_runtime_resume(struct device *dev) { struct ab8500_gpadc *gpadc = dev_get_drvdata(dev); + int ret; - regulator_enable(gpadc->regu); - return 0; + ret = regulator_enable(gpadc->regu); + if (ret) + dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret); + return ret; } static int ab8500_gpadc_runtime_idle(struct device *dev) @@ -968,7 +971,7 @@ static int ab8500_gpadc_probe(struct platform_device *pdev) } /* VTVout LDO used to power up ab8500-GPADC */ - gpadc->regu = regulator_get(&pdev->dev, "vddadc"); + gpadc->regu = devm_regulator_get(&pdev->dev, "vddadc"); if (IS_ERR(gpadc->regu)) { ret = PTR_ERR(gpadc->regu); dev_err(gpadc->dev, "failed to get vtvout LDO\n"); @@ -977,7 +980,11 @@ static int ab8500_gpadc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gpadc); - regulator_enable(gpadc->regu); + ret = regulator_enable(gpadc->regu); + if (ret) { + dev_err(gpadc->dev, "Failed to enable vtvout LDO: %d\n", ret); + goto fail_enable; + } pm_runtime_set_autosuspend_delay(gpadc->dev, GPADC_AUDOSUSPEND_DELAY); pm_runtime_use_autosuspend(gpadc->dev); @@ -990,6 +997,7 @@ static int ab8500_gpadc_probe(struct platform_device *pdev) return 0; +fail_enable: fail_irq: free_irq(gpadc->irq_sw, gpadc); free_irq(gpadc->irq_hw, gpadc); |