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[PATCH 55/61] gpio: viperboard: Use devm_gpiochip_add_data() for gpio registration

From Laxman Dewangan <ldewangan@nvidia.com>
Newsgroups linux.kernel
Subject [PATCH 55/61] gpio: viperboard: Use devm_gpiochip_add_data() for gpio registration
Date 2016-02-22 15:30 +0100
Message-ID <r4ZEW-741-111@gated-at.bofh.it> (permalink)
References <r4ZER-741-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
---
 drivers/gpio/gpio-viperboard.c | 24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 1170b03..dec47aa 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -410,10 +410,10 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
 	vb_gpio->gpioa.get = vprbrd_gpioa_get;
 	vb_gpio->gpioa.direction_input = vprbrd_gpioa_direction_input;
 	vb_gpio->gpioa.direction_output = vprbrd_gpioa_direction_output;
-	ret = gpiochip_add_data(&vb_gpio->gpioa, vb_gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &vb_gpio->gpioa, vb_gpio);
 	if (ret < 0) {
 		dev_err(vb_gpio->gpioa.parent, "could not add gpio a");
-		goto err_gpioa;
+		return ret;
 	}
 
 	/* registering gpio b */
@@ -427,37 +427,21 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
 	vb_gpio->gpiob.get = vprbrd_gpiob_get;
 	vb_gpio->gpiob.direction_input = vprbrd_gpiob_direction_input;
 	vb_gpio->gpiob.direction_output = vprbrd_gpiob_direction_output;
-	ret = gpiochip_add_data(&vb_gpio->gpiob, vb_gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &vb_gpio->gpiob, vb_gpio);
 	if (ret < 0) {
 		dev_err(vb_gpio->gpiob.parent, "could not add gpio b");
-		goto err_gpiob;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, vb_gpio);
 
 	return ret;
-
-err_gpiob:
-	gpiochip_remove(&vb_gpio->gpioa);
-
-err_gpioa:
-	return ret;
-}
-
-static int vprbrd_gpio_remove(struct platform_device *pdev)
-{
-	struct vprbrd_gpio *vb_gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&vb_gpio->gpiob);
-
-	return 0;
 }
 
 static struct platform_driver vprbrd_gpio_driver = {
 	.driver.name	= "viperboard-gpio",
 	.driver.owner	= THIS_MODULE,
 	.probe		= vprbrd_gpio_probe,
-	.remove		= vprbrd_gpio_remove,
 };
 
 static int __init vprbrd_gpio_init(void)
-- 
2.1.4

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Thread

[PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 35/61] gpio: palmas: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 21/61] gpio: generic: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 50/61] gpio: tps65912: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 03/61] gpio: Add missing devm_gpio_ wrapper in devres.txt Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 11/61] gpio: bcm-kona: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
    Re: [PATCH 11/61] gpio: bcm-kona: Use devm_gpiochip_add_data() for  gpio registration Ray Jui <ray.jui@broadcom.com> - 2016-02-22 18:20 +0100
  [PATCH 39/61] gpio: spear-spics: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 29/61] gpio: moxart: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 28/61] gpio: mc9s08dz60: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 51/61] gpio: ts4800: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 49/61] gpio: tps65910: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 60/61] gpio: xgene-sb: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 12/61] gpio: clps711x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 27/61] gpio: lynxpoint: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 06/61] gpio: adp5520: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 31/61] gpio: mxc: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 44/61] gpio: tb10x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 58/61] gpio: wm8350: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
    Re: [PATCH 58/61] gpio: wm8350: Use devm_gpiochip_add_data() for  gpio registration Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2016-02-22 17:40 +0100
  [PATCH 40/61] gpio: sta2x11: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 46/61] gpio: tegra: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
    Re: [PATCH 46/61] gpio: tegra: Use devm_gpiochip_add_data() for gpio  registration Thierry Reding <thierry.reding@gmail.com> - 2016-02-23 17:40 +0100
  [PATCH 18/61] gpio: ep93xx: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 25/61] gpio: lp3943: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 33/61] gpio: pca953x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 17/61] gpio: dln2: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 05/61] gpio: adnp: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 32/61] gpio: octeon: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 57/61] gpio: wm8350: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
    Re: [PATCH 57/61] gpio: wm8350: Use devm_gpiochip_add_data() for  gpio registration Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2016-02-22 17:40 +0100
  [PATCH 22/61] gpio: iop: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 55/61] gpio: viperboard: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 43/61] gpio: syscon: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 15/61] gpio: da9052: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 02/61] gpio: Add resource management devm_gpio_chip_{add_data,remove} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 34/61] gpio: pcf857x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 59/61] gpio: wm8994: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
    Re: [PATCH 59/61] gpio: wm8994: Use devm_gpiochip_add_data() for  gpio registration Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2016-02-22 17:40 +0100
  [PATCH 16/61] gpio: da9055: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:30 +0100
  [PATCH 20/61] gpio: ge: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 38/61] gpio: sch: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 26/61] gpio: lpc32xx: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 19/61] gpio: f7188x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 45/61] gpio: tc3589x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 48/61] gpio: tps6586x: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 41/61] gpio: stp-xway: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 36/61] gpio: rc5t583: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  [PATCH 23/61] gpio: janz-ttl: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:40 +0100
  Re: [PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Linus Walleij <linus.walleij@linaro.org> - 2016-02-22 15:50 +0100
    Re: [PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-23 10:20 +0100
      Re: [PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-23 16:30 +0100
        Re: [PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Linus Walleij <linus.walleij@linaro.org> - 2016-02-25 14:30 +0100
          Re: [PATCH 00/61] gpio: Add and use devm_gpiochip_add_data() Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-28 15:50 +0100
  [PATCH 07/61] gpio: adp5588: Use devm_gpiochip_add_data() for gpio registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-22 15:50 +0100

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