diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 79 | 
1 files changed, 2 insertions, 77 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index f6a360b86eb..5c32e880bcb 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -30,7 +30,6 @@  #define PCS_MUX_BITS_NAME		"pinctrl-single,bits"  #define PCS_REG_NAME_LEN		((sizeof(unsigned long) * 2) + 1)  #define PCS_OFF_DISABLED		~0U -#define PCS_MAX_GPIO_VALUES		2  /**   * struct pcs_pingroup - pingroups for a function @@ -78,16 +77,6 @@ struct pcs_function {  };  /** - * struct pcs_gpio_range - pinctrl gpio range - * @range:	subrange of the GPIO number space - * @gpio_func:	gpio function value in the pinmux register - */ -struct pcs_gpio_range { -	struct pinctrl_gpio_range range; -	int gpio_func; -}; - -/**   * struct pcs_data - wrapper for data needed by pinctrl framework   * @pa:		pindesc array   * @cur:	index to current element @@ -414,26 +403,9 @@ static void pcs_disable(struct pinctrl_dev *pctldev, unsigned fselector,  }  static int pcs_request_gpio(struct pinctrl_dev *pctldev, -			    struct pinctrl_gpio_range *range, unsigned pin) +			struct pinctrl_gpio_range *range, unsigned offset)  { -	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev); -	struct pcs_gpio_range *gpio = NULL; -	int end, mux_bytes; -	unsigned data; - -	gpio = container_of(range, struct pcs_gpio_range, range); -	end = range->pin_base + range->npins - 1; -	if (pin < range->pin_base || pin > end) { -		dev_err(pctldev->dev, -			"pin %d isn't in the range of %d to %d\n", -			pin, range->pin_base, end); -		return -EINVAL; -	} -	mux_bytes = pcs->width / BITS_PER_BYTE; -	data = pcs->read(pcs->base + pin * mux_bytes) & ~pcs->fmask; -	data |= gpio->gpio_func; -	pcs->write(data, pcs->base + pin * mux_bytes); -	return 0; +	return -ENOTSUPP;  }  static struct pinmux_ops pcs_pinmux_ops = { @@ -907,49 +879,6 @@ static void pcs_free_resources(struct pcs_device *pcs)  static struct of_device_id pcs_of_match[]; -static int pcs_add_gpio_range(struct device_node *node, struct pcs_device *pcs) -{ -	struct pcs_gpio_range *gpio; -	struct device_node *child; -	struct resource r; -	const char name[] = "pinctrl-single"; -	u32 gpiores[PCS_MAX_GPIO_VALUES]; -	int ret, i = 0, mux_bytes = 0; - -	for_each_child_of_node(node, child) { -		ret = of_address_to_resource(child, 0, &r); -		if (ret < 0) -			continue; -		memset(gpiores, 0, sizeof(u32) * PCS_MAX_GPIO_VALUES); -		ret = of_property_read_u32_array(child, "pinctrl-single,gpio", -						 gpiores, PCS_MAX_GPIO_VALUES); -		if (ret < 0) -			continue; -		gpio = devm_kzalloc(pcs->dev, sizeof(*gpio), GFP_KERNEL); -		if (!gpio) { -			dev_err(pcs->dev, "failed to allocate pcs gpio\n"); -			return -ENOMEM; -		} -		gpio->range.name = devm_kzalloc(pcs->dev, sizeof(name), -						GFP_KERNEL); -		if (!gpio->range.name) { -			dev_err(pcs->dev, "failed to allocate range name\n"); -			return -ENOMEM; -		} -		memcpy((char *)gpio->range.name, name, sizeof(name)); - -		gpio->range.id = i++; -		gpio->range.base = gpiores[0]; -		gpio->gpio_func = gpiores[1]; -		mux_bytes = pcs->width / BITS_PER_BYTE; -		gpio->range.pin_base = (r.start - pcs->res->start) / mux_bytes; -		gpio->range.npins = (r.end - r.start) / mux_bytes + 1; - -		pinctrl_add_gpio_range(pcs->pctl, &gpio->range); -	} -	return 0; -} -  static int pcs_probe(struct platform_device *pdev)  {  	struct device_node *np = pdev->dev.of_node; @@ -1046,10 +975,6 @@ static int pcs_probe(struct platform_device *pdev)  		goto free;  	} -	ret = pcs_add_gpio_range(np, pcs); -	if (ret < 0) -		goto free; -  	dev_info(pcs->dev, "%i pins at pa %p size %u\n",  		 pcs->desc.npins, pcs->base, pcs->size);  |