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Subject[PATCH 15/15] misc: atmel_tclib: Do not probe already used TCBs
Date
From: Alexandre Belloni <alexandre.belloni@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 <gregkh@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@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
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