linux-kernel - [PATCH] mfd: tps6586x: Invert GPIO and subdevices initialization

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Date:	Wed, 19 Jan 2011 09:52:09 -0500
From:	Vincent Palatin <vpalatin@...omium.org>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Olof Johansson <olofj@...omium.org>,
	Vincent Palatin <vpalatin@...omium.org>
Subject: [PATCH] mfd: tps6586x: Invert GPIO and subdevices initialization

When using a fixed voltage regulator triggered by a TPS6586x GPIO,
this allows to declare and initialize it conveniently from the "subdev" list.

Signed-off-by: Vincent Palatin <vpalatin@...omium.org>
---
 drivers/mfd/tps6586x.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index 627cf57..fdb16ed 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -517,19 +517,25 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
 		}
 	}
 
+	tps6586x_gpio_init(tps6586x, pdata->gpio_base);
+
 	ret = tps6586x_add_subdevs(tps6586x, pdata);
 	if (ret) {
 		dev_err(&client->dev, "add devices failed: %d\n", ret);
 		goto err_add_devs;
 	}
 
-	tps6586x_gpio_init(tps6586x, pdata->gpio_base);
-
 	return 0;
 
 err_add_devs:
 	if (client->irq)
 		free_irq(client->irq, tps6586x);
+	if (pdata->gpio_base) {
+		ret = gpiochip_remove(&tps6586x->gpio);
+		if (ret)
+			dev_err(&client->dev, "Can't remove gpio chip: %d\n",
+				ret);
+	}
 err_irq_init:
 	kfree(tps6586x);
 	return ret;
-- 
1.7.3.1

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