[PATCH 6/7] gpio: vf610: Use devres to remove gpiochip

[Andrey Smirnov]

Now that the driver's custom remove hook contains only a single
action, replace it by converting the code to use
devm_gpiochip_add_data() to simplify things.

Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
Cc: Linus Walleij <linus.wall...@linaro.org>
Cc: Bartosz Golaszewski <bgolaszew...@baylibre.com>
Cc: Chris Healy <cphe...@gmail.com>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Heiner Kallweit <hkallwe...@gmail.com>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: linux-g...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-...@nxp.com
---
 drivers/gpio/gpio-vf610.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index f7445468677d..7db2fa229035 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -297,8 +297,6 @@ static int vf610_gpio_probe(struct platform_device *pdev)
                return PTR_ERR(port->clk_gpio);
        }
 
-       platform_set_drvdata(pdev, port);
-
        gc = &port->gc;
        gc->of_node = np;
        gc->parent = dev;
@@ -321,7 +319,7 @@ static int vf610_gpio_probe(struct platform_device *pdev)
        ic->irq_set_type = vf610_gpio_irq_set_type;
        ic->irq_set_wake = vf610_gpio_irq_set_wake;
 
-       ret = gpiochip_add_data(gc, port);
+       ret = devm_gpiochip_add_data(dev, gc, port);
        if (ret < 0)
                return ret;
 
@@ -335,7 +333,6 @@ static int vf610_gpio_probe(struct platform_device *pdev)
        ret = gpiochip_irqchip_add(gc, ic, 0, handle_edge_irq, IRQ_TYPE_NONE);
        if (ret) {
                dev_err(dev, "failed to add irqchip\n");
-               gpiochip_remove(gc);
                return ret;
        }
        gpiochip_set_chained_irqchip(gc, ic, port->irq,
@@ -344,22 +341,12 @@ static int vf610_gpio_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int vf610_gpio_remove(struct platform_device *pdev)
-{
-       struct vf610_gpio_port *port = platform_get_drvdata(pdev);
-
-       gpiochip_remove(&port->gc);
-
-       return 0;
-}
-
 static struct platform_driver vf610_gpio_driver = {
        .driver         = {
                .name   = "gpio-vf610",
                .of_match_table = vf610_gpio_dt_ids,
        },
        .probe          = vf610_gpio_probe,
-       .remove         = vf610_gpio_remove,
 };
 
 builtin_platform_driver(vf610_gpio_driver);
-- 
2.20.1