Drop period at the end of subject line. It only adds the possibility of unnecessary line wrapping in git log. On Wed, Dec 13, 2023 at 05:28:47PM +0800, Sherry Sun wrote: > Add pci host wakeup feature for imx platforms. s/pci/PCI/ s/imx/i.MX/ (based on how nxp.com web pages refer to it) > Example of configuring the corresponding dts property under the PCI > node: > wake-gpios = <&gpio5 21 GPIO_ACTIVE_LOW>; Add newline between paragraphs or wrap into a single paragraph. > + /* host wakeup support */ > + imx6_pcie->host_wake_irq = -1; AFAIK, 0 is an invalid IRQ value. So why not drop this assignment since imx6_pcie->host_wake_irq is 0 by default since it was allocated with devm_kzalloc(), and test like this elsewhere: if (imx6_pcie->host_wake_irq) { enable_irq_wake(imx6_pcie->host_wake_irq) > + host_wake_gpio = devm_gpiod_get_optional(dev, "wake", GPIOD_IN); > + if (IS_ERR(host_wake_gpio)) > + return PTR_ERR(host_wake_gpio); > + > + if (host_wake_gpio != NULL) { if (host_wake_gpio) Bjorn