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Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/altera_jtaguart.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index 23c4e0e79694..37bffe406b18 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -418,8 +418,9 @@ static int altera_jtaguart_probe(struct platform_device *pdev)
struct altera_jtaguart_platform_uart *platp =
dev_get_platdata(&pdev->dev);
struct uart_port *port;
- struct resource *res_irq, *res_mem;
+ struct resource *res_mem;
int i = pdev->id;
+ int irq;
/* -1 emphasizes that the platform must have one port, no .N suffix */
if (i == -1)
@@ -438,9 +439,11 @@ static int altera_jtaguart_probe(struct platform_device *pdev)
else
return -ENODEV;
- res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res_irq)
- port->irq = res_irq->start;
+ irq = platform_get_irq_optional(pdev, 0);
+ if (irq < 0 && irq != -ENXIO)
+ return irq;
+ if (irq > 0)
+ port->irq = irq;
else if (platp)
port->irq = platp->irq;
else