On Fri, Apr 05, 2019 at 10:21:12PM +0800, Yue Haibing wrote: > From: YueHaibing <yuehaibing@xxxxxxxxxx> > > When building CONFIG_ACPI is not set > gcc warn this: > > drivers/gpio/gpio-merrifield.c: In function mrfld_gpio_get_pinctrl_dev_name: > drivers/gpio/gpio-merrifield.c:388:19: error: dereferencing pointer to incomplete type struct acpi_device > put_device(&adev->dev); > ^ > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Fixes:d00d2109c367 ("gpio: merrifield: Convert to use acpi_dev_get_first_match_dev()") > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Thank you for an update, I have a comment below, but before sending v3, let Rafael to have a chance to look at it. > #ifdef CONFIG_ACPI > extern int acpi_platform_notify(struct device *dev, enum kobject_action action); > + > +static inline void put_acpi_device(struct acpi_device *adev) > +{ > + put_device(&adev->dev); > +} This should probably go to acpi_bus.h under acpi_dev_get_first_match_dev(). And talking to Mika we agreed that naming would be better as acpi_dev_put(). -- With Best Regards, Andy Shevchenko