From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Fri, 26 Apr 2019 21:47:18 +0000 (+0200)
Subject: misc: atmel_tclib: Do not probe already used TCBs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8c9374068ef6dc3fdf244484b4711a6e10c84d1a;p=linux.git

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 194f774ab3a13..2c6850ef0e9c8 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;