diff options
| -rw-r--r-- | drivers/power/jz4740-battery.c | 33 |
1 files changed, 6 insertions, 27 deletions
diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c index 529d22a..fc7550d 100644 --- a/drivers/power/jz4740-battery.c +++ b/drivers/power/jz4740-battery.c @@ -33,7 +33,6 @@ struct jz_battery { struct jz_battery_platform_data *pdata; struct platform_device *pdev; - struct resource *mem; void __iomem *base; int irq; @@ -244,6 +243,7 @@ static int __devinit jz_battery_probe(struct platform_device *pdev) struct jz_battery_platform_data *pdata = pdev->dev.parent->platform_data; struct jz_battery *jz_battery; struct power_supply *battery; + struct resource *mem; if (!pdata) { dev_err(&pdev->dev, "No platform_data supplied\n"); @@ -264,26 +264,11 @@ static int __devinit jz_battery_probe(struct platform_device *pdev) return jz_battery->irq; } - jz_battery->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!jz_battery->mem) { - dev_err(&pdev->dev, "Failed to get platform mmio resource\n"); - return -ENOENT; - } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - jz_battery->mem = request_mem_region(jz_battery->mem->start, - resource_size(jz_battery->mem), pdev->name); - if (!jz_battery->mem) { - dev_err(&pdev->dev, "Failed to request mmio memory region\n"); + jz_battery->base = devm_request_and_ioremap(&pdev->dev, mem); + if (!jz_battery->base) return -EBUSY; - } - - jz_battery->base = ioremap_nocache(jz_battery->mem->start, - resource_size(jz_battery->mem)); - if (!jz_battery->base) { - ret = -EBUSY; - dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); - goto err_release_mem_region; - } battery = &jz_battery->battery; battery->name = pdata->info.name; @@ -306,7 +291,7 @@ static int __devinit jz_battery_probe(struct platform_device *pdev) jz_battery); if (ret) { dev_err(&pdev->dev, "Failed to request irq %d\n", ret); - goto err_iounmap; + goto err; } disable_irq(jz_battery->irq); @@ -363,11 +348,8 @@ err_free_gpio: gpio_free(jz_battery->pdata->gpio_charge); err_free_irq: free_irq(jz_battery->irq, jz_battery); -err_iounmap: +err: platform_set_drvdata(pdev, NULL); - iounmap(jz_battery->base); -err_release_mem_region: - release_mem_region(jz_battery->mem->start, resource_size(jz_battery->mem)); return ret; } @@ -387,9 +369,6 @@ static int __devexit jz_battery_remove(struct platform_device *pdev) free_irq(jz_battery->irq, jz_battery); - iounmap(jz_battery->base); - release_mem_region(jz_battery->mem->start, resource_size(jz_battery->mem)); - return 0; } |