linux-kernel - [PATCH 2/3] pinctrl: sx150x: register pinctrl before adding the gpiochip

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Date:   Wed, 17 Jan 2018 14:34:22 +0100
From:   Peter Rosin <peda@...ntia.se>
To:     linux-kernel@...r.kernel.org
Cc:     Peter Rosin <peda@...ntia.se>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Jeffery <andrew@...id.au>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        linux-gpio@...r.kernel.org
Subject: [PATCH 2/3] pinctrl: sx150x: register pinctrl before adding the gpiochip

Various gpiolib activity depend on the pinctrl to be up and kicking.
Therefore, register the pinctrl before adding a gpiochip.

Suggested-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/pinctrl/pinctrl-sx150x.c | 35 +++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index f926ba044577..049dd15e04ef 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -1144,6 +1144,27 @@ static int sx150x_probe(struct i2c_client *client,
 	if (ret)
 		return ret;
 
+	/* Pinctrl_desc */
+	pctl->pinctrl_desc.name = "sx150x-pinctrl";
+	pctl->pinctrl_desc.pctlops = &sx150x_pinctrl_ops;
+	pctl->pinctrl_desc.confops = &sx150x_pinconf_ops;
+	pctl->pinctrl_desc.pins = pctl->data->pins;
+	pctl->pinctrl_desc.npins = pctl->data->npins;
+	pctl->pinctrl_desc.owner = THIS_MODULE;
+
+	ret = devm_pinctrl_register_and_init(dev, &pctl->pinctrl_desc,
+					     pctl, &pctl->pctldev);
+	if (ret) {
+		dev_err(dev, "Failed to register pinctrl device\n");
+		return ret;
+	}
+
+	ret = pinctrl_enable(pctl->pctldev);
+	if (ret) {
+		dev_err(dev, "Failed to enable pinctrl device\n");
+		return ret;
+	}
+
 	/* Register GPIO controller */
 	pctl->gpio.label = devm_kstrdup(dev, client->name, GFP_KERNEL);
 	pctl->gpio.base = -1;
@@ -1217,20 +1238,6 @@ static int sx150x_probe(struct i2c_client *client,
 					    client->irq);
 	}
 
-	/* Pinctrl_desc */
-	pctl->pinctrl_desc.name = "sx150x-pinctrl";
-	pctl->pinctrl_desc.pctlops = &sx150x_pinctrl_ops;
-	pctl->pinctrl_desc.confops = &sx150x_pinconf_ops;
-	pctl->pinctrl_desc.pins = pctl->data->pins;
-	pctl->pinctrl_desc.npins = pctl->data->npins;
-	pctl->pinctrl_desc.owner = THIS_MODULE;
-
-	pctl->pctldev = devm_pinctrl_register(dev, &pctl->pinctrl_desc, pctl);
-	if (IS_ERR(pctl->pctldev)) {
-		dev_err(dev, "Failed to register pinctrl device\n");
-		return PTR_ERR(pctl->pctldev);
-	}
-
 	return 0;
 }
 
-- 
2.11.0