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SubjectRe: [PATCH 1/3] acpi: nfit: add declaration in a local header
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On 5/16/23 1:14 PM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The nfit_intel_shutdown_status() function has a __weak defintion
> in nfit.c and an override in acpi_nfit_test.c for testing
> purposes. This works without an extern declaration, but causes
> a W=1 build warning:
>
> drivers/acpi/nfit/core.c:1717:13: error: no previous prototype for 'nfit_intel_shutdown_status' [-Werror=missing-prototypes]
>
> Add a declaration in a header that gets included from both
> sides to shut up the warning and ensure that the prototypes
> actually match.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>

> ---
> drivers/acpi/nfit/nfit.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
> index 6023ad61831a..573bc0de2990 100644
> --- a/drivers/acpi/nfit/nfit.h
> +++ b/drivers/acpi/nfit/nfit.h
> @@ -347,4 +347,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
> void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev);
> bool intel_fwa_supported(struct nvdimm_bus *nvdimm_bus);
> extern struct device_attribute dev_attr_firmware_activate_noidle;
> +void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem);
> +
> #endif /* __NFIT_H__ */

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