[PATCH 15/15] misc: atmel_tclib: Do not probe already used TCBs

[Daniel Lezcano]

From: Alexandre Belloni <alexandre.bell...@bootlin.com>

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 <gre...@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.bell...@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
---
 drivers/misc/atmel_tclib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c
index 194f774ab3a1..2c6850ef0e9c 100644
--- 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;
-- 
2.17.1