diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-histb.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-histb.c | 39 | 
1 files changed, 19 insertions, 20 deletions
| diff --git a/drivers/pci/controller/dwc/pcie-histb.c b/drivers/pci/controller/dwc/pcie-histb.c index e2b80f10030d..43c27812dd6d 100644 --- a/drivers/pci/controller/dwc/pcie-histb.c +++ b/drivers/pci/controller/dwc/pcie-histb.c @@ -10,11 +10,11 @@  #include <linux/clk.h>  #include <linux/delay.h> +#include <linux/gpio/consumer.h>  #include <linux/interrupt.h>  #include <linux/kernel.h>  #include <linux/module.h>  #include <linux/of.h> -#include <linux/of_gpio.h>  #include <linux/pci.h>  #include <linux/phy/phy.h>  #include <linux/platform_device.h> @@ -60,7 +60,7 @@ struct histb_pcie {  	struct reset_control *sys_reset;  	struct reset_control *bus_reset;  	void __iomem *ctrl; -	int reset_gpio; +	struct gpio_desc *reset_gpio;  	struct regulator *vpcie;  }; @@ -212,8 +212,8 @@ static void histb_pcie_host_disable(struct histb_pcie *hipcie)  	clk_disable_unprepare(hipcie->sys_clk);  	clk_disable_unprepare(hipcie->bus_clk); -	if (gpio_is_valid(hipcie->reset_gpio)) -		gpio_set_value_cansleep(hipcie->reset_gpio, 0); +	if (hipcie->reset_gpio) +		gpiod_set_value_cansleep(hipcie->reset_gpio, 1);  	if (hipcie->vpcie)  		regulator_disable(hipcie->vpcie); @@ -235,8 +235,8 @@ static int histb_pcie_host_enable(struct dw_pcie_rp *pp)  		}  	} -	if (gpio_is_valid(hipcie->reset_gpio)) -		gpio_set_value_cansleep(hipcie->reset_gpio, 1); +	if (hipcie->reset_gpio) +		gpiod_set_value_cansleep(hipcie->reset_gpio, 0);  	ret = clk_prepare_enable(hipcie->bus_clk);  	if (ret) { @@ -298,10 +298,7 @@ static int histb_pcie_probe(struct platform_device *pdev)  	struct histb_pcie *hipcie;  	struct dw_pcie *pci;  	struct dw_pcie_rp *pp; -	struct device_node *np = pdev->dev.of_node;  	struct device *dev = &pdev->dev; -	enum of_gpio_flags of_flags; -	unsigned long flag = GPIOF_DIR_OUT;  	int ret;  	hipcie = devm_kzalloc(dev, sizeof(*hipcie), GFP_KERNEL); @@ -336,17 +333,19 @@ static int histb_pcie_probe(struct platform_device *pdev)  		hipcie->vpcie = NULL;  	} -	hipcie->reset_gpio = of_get_named_gpio_flags(np, -				"reset-gpios", 0, &of_flags); -	if (of_flags & OF_GPIO_ACTIVE_LOW) -		flag |= GPIOF_ACTIVE_LOW; -	if (gpio_is_valid(hipcie->reset_gpio)) { -		ret = devm_gpio_request_one(dev, hipcie->reset_gpio, -				flag, "PCIe device power control"); -		if (ret) { -			dev_err(dev, "unable to request gpio\n"); -			return ret; -		} +	hipcie->reset_gpio = devm_gpiod_get_optional(dev, "reset", +						     GPIOD_OUT_HIGH); +	ret = PTR_ERR_OR_ZERO(hipcie->reset_gpio); +	if (ret) { +		dev_err(dev, "unable to request reset gpio: %d\n", ret); +		return ret; +	} + +	ret = gpiod_set_consumer_name(hipcie->reset_gpio, +				      "PCIe device power control"); +	if (ret) { +		dev_err(dev, "unable to set reset gpio name: %d\n", ret); +		return ret;  	}  	hipcie->aux_clk = devm_clk_get(dev, "aux"); |