mfd: tps6586x - free allocated resources when unload the module

[Axel Lin]

For the resources allocated in tps6586x_i2c_probe(),
we need to free it in tps6586x_i2c_remove().

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
---
 drivers/mfd/tps6586x.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 4cde31e..6eb2730 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -338,6 +338,21 @@ err_add_devs:
 
 static int __devexit tps6586x_i2c_remove(struct i2c_client *client)
 {
+	struct tps6586x *tps6586x = i2c_get_clientdata(client);
+	struct tps6586x_platform_data *pdata = client->dev.platform_data;
+	int ret;
+
+	if (pdata->gpio_base) {
+		ret = gpiochip_remove(&tps6586x->gpio);
+		if (ret) {
+			dev_err(&client->dev, "Can't remove gpio chip: %d\n",
+				ret);
+			return ret;
+		}
+	}
+
+	tps6586x_remove_subdevs(tps6586x);
+	kfree(tps6586x);
 	return 0;
 }
 
-- 
1.7.2



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