linux-kernel - [PATCH 11/12] misc: atmel_tclib: do not probe already used TCBs

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Message-Id: <20190403141120.32754-12-alexandre.belloni@bootlin.com>
Date:   Wed,  3 Apr 2019 16:11:19 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexander Dahl <ada@...rsis.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pwm@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 11/12] misc: atmel_tclib: do not probe already used TCBs

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 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 c79190525862..b610cc894cd8 100644
--- a/drivers/misc/atmel_tclib.c
+++ b/drivers/misc/atmel_tclib.c
@@ -79,6 +79,9 @@ 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 0;
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return -EINVAL;
-- 
2.20.1