diff options
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 0121486ac4fa..d00b38eb268e 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1381,29 +1381,24 @@ static int serial_omap_probe(struct platform_device *pdev) return -ENODEV; } - if (!request_mem_region(mem->start, resource_size(mem), + if (!devm_request_mem_region(&pdev->dev, mem->start, resource_size(mem), pdev->dev.driver->name)) { dev_err(&pdev->dev, "memory region already claimed\n"); return -EBUSY; } dma_rx = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); - if (!dma_rx) { - ret = -EINVAL; - goto err; - } + if (!dma_rx) + return -ENXIO; dma_tx = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); - if (!dma_tx) { - ret = -EINVAL; - goto err; - } + if (!dma_tx) + return -ENXIO; + + up = devm_kzalloc(&pdev->dev, sizeof(*up), GFP_KERNEL); + if (!up) + return -ENOMEM; - up = kzalloc(sizeof(*up), GFP_KERNEL); - if (up == NULL) { - ret = -ENOMEM; - goto do_release_region; - } up->pdev = pdev; up->port.dev = &pdev->dev; up->port.type = PORT_OMAP; @@ -1423,16 +1418,17 @@ static int serial_omap_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get alias/pdev id, errno %d\n", up->port.line); ret = -ENODEV; - goto err; + goto err_port_line; } sprintf(up->name, "OMAP UART%d", up->port.line); up->port.mapbase = mem->start; - up->port.membase = ioremap(mem->start, resource_size(mem)); + up->port.membase = devm_ioremap(&pdev->dev, mem->start, + resource_size(mem)); if (!up->port.membase) { dev_err(&pdev->dev, "can't ioremap UART\n"); ret = -ENOMEM; - goto err; + goto err_ioremap; } up->port.flags = omap_up_info->flags; @@ -1478,16 +1474,19 @@ static int serial_omap_probe(struct platform_device *pdev) ret = uart_add_one_port(&serial_omap_reg, &up->port); if (ret != 0) - goto do_release_region; + goto err_add_port; pm_runtime_put(&pdev->dev); platform_set_drvdata(pdev, up); return 0; -err: + +err_add_port: + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); +err_ioremap: +err_port_line: dev_err(&pdev->dev, "[UART%d]: failure [%s]: %d\n", pdev->id, __func__, ret); -do_release_region: - release_mem_region(mem->start, resource_size(mem)); return ret; } @@ -1499,8 +1498,6 @@ static int serial_omap_remove(struct platform_device *dev) pm_runtime_disable(&up->pdev->dev); uart_remove_one_port(&serial_omap_reg, &up->port); pm_qos_remove_request(&up->pm_qos_request); - - kfree(up); } platform_set_drvdata(dev, NULL); |