Hi Heikki, 2018-03-16 23:05 GMT+08:00 Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>: > Hi ShuFan, > > On Fri, Mar 16, 2018 at 05:12:49PM +0800, ShuFan Lee wrote: >> +static int rt1711h_init_gpio(struct rt1711h_chip *chip) >> +{ >> + int ret; >> + struct device_node *np = chip->dev->of_node; >> + >> + ret = of_get_named_gpio(np, "rt,intr_gpio", 0); >> + if (ret < 0) { >> + dev_err(chip->dev, "%s get int gpio fail(%d)\n", __func__, ret); >> + return ret; >> + } >> + chip->irq_gpio = ret; >> + >> + ret = devm_gpio_request_one(chip->dev, chip->irq_gpio, GPIOF_IN, >> + dev_name(chip->dev)); >> + if (ret < 0) { >> + dev_err(chip->dev, "%s request gpio fail(%d)\n", __func__, ret); >> + return ret; >> + } >> + >> + chip->irq = gpio_to_irq(chip->irq_gpio); >> + if (chip->irq <= 0) { >> + dev_err(chip->dev, "%s gpio2irq fail(%d)\n", __func__, >> + chip->irq); >> + return -EINVAL; >> + } >> + return 0; > > "rt,intr_gpio" should probable be "rt,intr-gpio". Then this function > can be prepared for all types of platforms: > > static int rt1711h_init_gpio(struct rt1711h_chip *chip) > { > struct gpio_desc *gpio; > > gpio = devm_gpiod_get(chip->dev, "rt,intr", GFP_KERNEL); > if (IS_ERR(gpio)) > return PTR_ERR(gpio); > > chip->irq = gpiod_to_irq(gpio); > if (chip->irq < 0) > return chip->irq; > > return 0; > } > > > Thanks, > > -- > heikki Thank you, I've changed it in PATCH v2. May I add you to Suggested-by list? -- Best Regards, 書帆 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html