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

From: Andrey Smirnov
Date: Mon Mar 11 2019 - 02:28:30 EST


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.smirnov@xxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-imx@xxxxxxx
---
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