diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 41 |
1 files changed, 12 insertions, 29 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 5d19a49..2d9b03c 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -943,7 +943,7 @@ omap_i2c_probe(struct platform_device *pdev) { struct omap_i2c_dev *dev; struct i2c_adapter *adap; - struct resource *mem, *irq, *ioarea; + struct resource *mem, *irq; struct omap_i2c_bus_platform_data *pdata = pdev->dev.platform_data; struct device_node *node = pdev->dev.of_node; const struct of_device_id *match; @@ -962,17 +962,16 @@ omap_i2c_probe(struct platform_device *pdev) return -ENODEV; } - ioarea = request_mem_region(mem->start, resource_size(mem), - pdev->name); - if (!ioarea) { - dev_err(&pdev->dev, "I2C region already claimed\n"); - return -EBUSY; + dev = devm_kzalloc(&pdev->dev, sizeof(struct omap_i2c_dev), GFP_KERNEL); + if (!dev) { + dev_err(&pdev->dev, "Menory allocation failed\n"); + return -ENOMEM; } - dev = kzalloc(sizeof(struct omap_i2c_dev), GFP_KERNEL); - if (!dev) { - r = -ENOMEM; - goto err_release_region; + dev->base = devm_request_and_ioremap(&pdev->dev, mem); + if (!dev->base) { + dev_err(&pdev->dev, "I2C region already claimed\n"); + return -ENOMEM; } match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev); @@ -995,11 +994,6 @@ omap_i2c_probe(struct platform_device *pdev) dev->dev = &pdev->dev; dev->irq = irq->start; - dev->base = ioremap(mem->start, resource_size(mem)); - if (!dev->base) { - r = -ENOMEM; - goto err_free_mem; - } platform_set_drvdata(pdev, dev); init_completion(&dev->cmd_complete); @@ -1057,7 +1051,8 @@ omap_i2c_probe(struct platform_device *pdev) isr = (dev->rev < OMAP_I2C_OMAP1_REV_2) ? omap_i2c_omap1_isr : omap_i2c_isr; - r = request_irq(dev->irq, isr, IRQF_NO_SUSPEND, pdev->name, dev); + r = devm_request_irq(&pdev->dev, dev->irq, isr, IRQF_NO_SUSPEND, + pdev->name, dev); if (r) { dev_err(dev->dev, "failure requesting irq %i\n", dev->irq); @@ -1081,7 +1076,7 @@ omap_i2c_probe(struct platform_device *pdev) r = i2c_add_numbered_adapter(adap); if (r) { dev_err(dev->dev, "failure adding adapter\n"); - goto err_free_irq; + goto err_unuse_clocks; } of_i2c_register_devices(adap); @@ -1090,18 +1085,12 @@ omap_i2c_probe(struct platform_device *pdev) return 0; -err_free_irq: - free_irq(dev->irq, dev); err_unuse_clocks: omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); pm_runtime_put(dev->dev); - iounmap(dev->base); pm_runtime_disable(&pdev->dev); err_free_mem: platform_set_drvdata(pdev, NULL); - kfree(dev); -err_release_region: - release_mem_region(mem->start, resource_size(mem)); return r; } @@ -1109,12 +1098,10 @@ err_release_region: static int __devexit omap_i2c_remove(struct platform_device *pdev) { struct omap_i2c_dev *dev = platform_get_drvdata(pdev); - struct resource *mem; int ret; platform_set_drvdata(pdev, NULL); - free_irq(dev->irq, dev); i2c_del_adapter(&dev->adapter); ret = pm_runtime_get_sync(&pdev->dev); if (IS_ERR_VALUE(ret)) @@ -1123,10 +1110,6 @@ static int __devexit omap_i2c_remove(struct platform_device *pdev) omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); - iounmap(dev->base); - kfree(dev); - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(mem->start, resource_size(mem)); return 0; } |