| Message ID | 1473015587-15589-3-git-send-email-robert.jarzmik@free.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 1b03ff639836..abd94ff83a6c 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/errno.h> +#include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -1183,6 +1184,9 @@ static int sa1111_probe(struct platform_device *pdev) if (irq < 0) return irq; + if (!irq_get_chip(irq)) + return -EPROBE_DEFER; + return __sa1111_probe(&pdev->dev, mem, irq); }
In order to be able to cope with ordering problems, especially when the interrupt descriptor is allocated only after the sa1111 is probed, add a workaround to "wait" for the interrupt chip to be available. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> --- arch/arm/common/sa1111.c | 4 ++++ 1 file changed, 4 insertions(+)