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SubjectRe: [PATCH v2] gpio: merrifield: Fix build err without CONFIG_ACPI
On Fri, Apr 05, 2019 at 10:21:12PM +0800, Yue Haibing wrote:
> From: YueHaibing <yuehaibing@huawei.com>
>
> 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@huawei.com>
> Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Fixes:d00d2109c367 ("gpio: merrifield: Convert to use acpi_dev_get_first_match_dev()")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

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


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