From: Linus Walleij <linus.walleij@linaro.org>
Date: Mon, 15 Oct 2012 07:55:13 +0000 (+0200)
Subject: Merge branch 'samsung' into for-next
X-Git-Tag: next-20121016~16^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1550f80eea449ba453715651ce75170dc8b7bb07;p=karo-tx-linux.git

Merge branch 'samsung' into for-next
---

1550f80eea449ba453715651ce75170dc8b7bb07
diff --cc drivers/pinctrl/pinctrl-samsung.c
index 861cd5f04d5e,0db88bbbb2bb..fc34cac8a1b0
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@@ -728,34 -768,41 +768,41 @@@ static int __devinit samsung_pinctrl_re
  	return 0;
  }
  
+ static const struct gpio_chip samsung_gpiolib_chip = {
+ 	.set = samsung_gpio_set,
+ 	.get = samsung_gpio_get,
+ 	.direction_input = samsung_gpio_direction_input,
+ 	.direction_output = samsung_gpio_direction_output,
+ 	.to_irq = samsung_gpio_to_irq,
+ 	.owner = THIS_MODULE,
+ };
+ 
  /* register the gpiolib interface with the gpiolib subsystem */
 -static int __init samsung_gpiolib_register(struct platform_device *pdev,
 +static int __devinit samsung_gpiolib_register(struct platform_device *pdev,
  				struct samsung_pinctrl_drv_data *drvdata)
  {
+ 	struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+ 	struct samsung_pin_bank *bank = ctrl->pin_banks;
  	struct gpio_chip *gc;
  	int ret;
- 
- 	gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL);
- 	if (!gc) {
- 		dev_err(&pdev->dev, "mem alloc for gpio_chip failed\n");
- 		return -ENOMEM;
- 	}
- 
- 	drvdata->gc = gc;
- 	gc->base = drvdata->ctrl->base;
- 	gc->ngpio = drvdata->ctrl->nr_pins;
- 	gc->dev = &pdev->dev;
- 	gc->set = samsung_gpio_set;
- 	gc->get = samsung_gpio_get;
- 	gc->direction_input = samsung_gpio_direction_input;
- 	gc->direction_output = samsung_gpio_direction_output;
- 	gc->label = drvdata->ctrl->label;
- 	gc->owner = THIS_MODULE;
- 	ret = gpiochip_add(gc);
- 	if (ret) {
- 		dev_err(&pdev->dev, "failed to register gpio_chip %s, error "
- 					"code: %d\n", gc->label, ret);
- 		return ret;
+ 	int i;
+ 
+ 	for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
+ 		bank->gpio_chip = samsung_gpiolib_chip;
+ 
+ 		gc = &bank->gpio_chip;
+ 		gc->base = ctrl->base + bank->pin_base;
+ 		gc->ngpio = bank->nr_pins;
+ 		gc->dev = &pdev->dev;
+ 		gc->of_node = bank->of_node;
+ 		gc->label = bank->name;
+ 
+ 		ret = gpiochip_add(gc);
+ 		if (ret) {
+ 			dev_err(&pdev->dev, "failed to register gpio_chip %s, error code: %d\n",
+ 							gc->label, ret);
+ 			goto fail;
+ 		}
  	}
  
  	return 0;
@@@ -762,15 -816,21 +816,21 @@@ fail
  }
  
  /* unregister the gpiolib interface with the gpiolib subsystem */
 -static int __init samsung_gpiolib_unregister(struct platform_device *pdev,
 +static int __devinit samsung_gpiolib_unregister(struct platform_device *pdev,
  				struct samsung_pinctrl_drv_data *drvdata)
  {
- 	int ret = gpiochip_remove(drvdata->gc);
- 	if (ret) {
+ 	struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
+ 	struct samsung_pin_bank *bank = ctrl->pin_banks;
+ 	int ret = 0;
+ 	int i;
+ 
+ 	for (i = 0; !ret && i < ctrl->nr_banks; ++i, ++bank)
+ 		ret = gpiochip_remove(&bank->gpio_chip);
+ 
+ 	if (ret)
  		dev_err(&pdev->dev, "gpio chip remove failed\n");
- 		return ret;
- 	}
- 	return 0;
+ 
+ 	return ret;
  }
  
  static const struct of_device_id samsung_pinctrl_dt_match[];