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 17a1853..f43b4e1 100644 (file)
--- 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;
 }