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spi: mpc5xxx-psc: Return immediately if IRQ resource is unavailable
[linux-2.6-microblaze.git]
/
drivers
/
spi
/
spi-mpc52xx-psc.c
diff --git
a/drivers/spi/spi-mpc52xx-psc.c
b/drivers/spi/spi-mpc52xx-psc.c
index
1bf728f
..
b75bc24
100644
(file)
--- a/
drivers/spi/spi-mpc52xx-psc.c
+++ b/
drivers/spi/spi-mpc52xx-psc.c
@@
-328,6
+328,9
@@
static int mpc52xx_psc_spi_of_probe(struct platform_device *pdev)
mps->fifo = ((void __iomem *)mps->psc) + sizeof(struct mpc52xx_psc);
mps->irq = platform_get_irq(pdev, 0);
+ if (mps->irq < 0)
+ return mps->irq;
+
ret = devm_request_irq(dev, mps->irq, mpc52xx_psc_spi_isr, 0,
"mpc52xx-psc-spi", mps);
if (ret)