From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Thu, 30 Oct 2014 13:59:37 +0000 (+0200)
Subject: i2c: core: Dispose OF IRQ mapping at client removal time
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e4df3a0b62285130ac0a35cf07678c154ffb649d;p=openwrt%2Fstaging%2Fblogic.git

i2c: core: Dispose OF IRQ mapping at client removal time

Clients instantiated from OF get an IRQ mapping created at device
registration time. Dispose the mapping when the client is removed.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
---

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 17a1853c6c2f..f43b4e11647a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -665,6 +665,9 @@ static int i2c_device_remove(struct device *dev)
 		status = driver->remove(client);
 	}
 
+	if (dev->of_node)
+		irq_dispose_mapping(client->irq);
+
 	dev_pm_domain_detach(&client->dev, true);
 	return status;
 }