diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/amba-pl011.c | 8 | ||||
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 8 | ||||
| -rw-r--r-- | drivers/tty/serial/pmac_zilog.c | 2 | ||||
| -rw-r--r-- | drivers/tty/serial/serial-tegra.c | 7 |
4 files changed, 21 insertions, 4 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 1b7331e40d79..8a9e213387a7 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2553,11 +2553,17 @@ static int sbsa_uart_probe(struct platform_device *pdev) if (!uap) return -ENOMEM; + ret = platform_get_irq(pdev, 0); + if (ret < 0) { + dev_err(&pdev->dev, "cannot obtain irq\n"); + return ret; + } + uap->port.irq = ret; + uap->reg_offset = vendor_sbsa.reg_offset; uap->vendor = &vendor_sbsa; uap->fifosize = 32; uap->port.iotype = vendor_sbsa.access_32b ? UPIO_MEM32 : UPIO_MEM; - uap->port.irq = platform_get_irq(pdev, 0); uap->port.ops = &sbsa_uart_pops; uap->fixed_baud = baudrate; diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 3d790033744e..7f95f782a485 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1830,7 +1830,13 @@ static int lpuart_probe(struct platform_device *pdev) sport->port.dev = &pdev->dev; sport->port.type = PORT_LPUART; sport->port.iotype = UPIO_MEM; - sport->port.irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) { + dev_err(&pdev->dev, "cannot obtain irq\n"); + return ret; + } + sport->port.irq = ret; + if (sport->lpuart32) sport->port.ops = &lpuart32_pops; else diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index e156e39d620c..b24b0556f5a8 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1720,7 +1720,7 @@ static int __init pmz_init_port(struct uart_pmac_port *uap) r_ports = platform_get_resource(uap->pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(uap->pdev, 0); - if (!r_ports || !irq) + if (!r_ports || irq <= 0) return -ENODEV; uap->port.mapbase = r_ports->start; diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index 1dba6719db8d..731ac35acb31 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1317,7 +1317,12 @@ static int tegra_uart_probe(struct platform_device *pdev) } u->iotype = UPIO_MEM32; - u->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) { + dev_err(&pdev->dev, "Couldn't get IRQ\n"); + return ret; + } + u->irq = ret; u->regshift = 2; ret = uart_add_one_port(&tegra_uart_driver, u); if (ret < 0) { |