tty: serial: altera_uart: Check for NULL platform_data in probe.

[linux-flexiantxendom0.git] / drivers / tty / serial / altera_uart.c

diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index 50bc5a5..5ba0898 100644 (file)
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -315,7 +315,7 @@ static int altera_uart_startup(struct uart_port *port)
                return 0;
        }
 
-       ret = request_irq(port->irq, altera_uart_interrupt, IRQF_DISABLED,
+       ret = request_irq(port->irq, altera_uart_interrupt, 0,
                        DRV_NAME, port);
        if (ret) {
                pr_err(DRV_NAME ": unable to attach Altera UART %d "
@@ -555,7 +555,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev)
        res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res_mem)
                port->mapbase = res_mem->start;
-       else if (platp->mapbase)
+       else if (platp)
                port->mapbase = platp->mapbase;
        else
                return -EINVAL;
@@ -563,7 +563,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev)
        res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        if (res_irq)
                port->irq = res_irq->start;
-       else if (platp->irq)
+       else if (platp)
                port->irq = platp->irq;
 
        /* Check platform data first so we can override device node data */
@@ -616,8 +616,6 @@ static struct of_device_id altera_uart_match[] = {
        {},
 };
 MODULE_DEVICE_TABLE(of, altera_uart_match);
-#else
-#define altera_uart_match NULL
 #endif /* CONFIG_OF */
 
 static struct platform_driver altera_uart_platform_driver = {
@@ -626,7 +624,7 @@ static struct platform_driver altera_uart_platform_driver = {
        .driver = {
                .name           = DRV_NAME,
                .owner          = THIS_MODULE,
-               .of_match_table = altera_uart_match,
+               .of_match_table = of_match_ptr(altera_uart_match),
        },
 };