misc: atmel_tclib: Do not probe already used TCBs

The TCBs that have children are using the proper DT bindings and don't need
to be handled by tclib.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c
index 194f774ab3a13562324c4daef282530aa932ca5b..2c6850ef0e9c8a244cebe66772494e1cc496e31d 100644 (file)
--- a/drivers/misc/atmel_tclib.c
+++ b/drivers/misc/atmel_tclib.c
@@ -111,6 +111,9 @@ static int __init tc_probe(struct platform_device *pdev)
        struct resource *r;
        unsigned int    i;
 
+       if (of_get_child_count(pdev->dev.of_node))
+               return -EBUSY;
+
        irq = platform_get_irq(pdev, 0);
        if (irq < 0)
                return -EINVAL;