firmware: dmi: Add dmi_memdev_handle (7c237880) · Commits · 戴 / test

drivers/firmware/dmi_scan.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -1151,3 +1151,19 @@ u8 dmi_memdev_type(u16 handle)
		return 0x0; /* Not a valid value */
		}
		EXPORT_SYMBOL_GPL(dmi_memdev_type);

		/**
		* dmi_memdev_handle - get the DMI handle of a memory slot
		* @slot: slot number
		*
		* Return the DMI handle associated with a given memory slot, or %0xFFFF
		* if there is no such slot.
		*/
		u16 dmi_memdev_handle(int slot)
		{
		if (dmi_memdev && slot >= 0 && slot < dmi_memdev_nr)
		return dmi_memdev[slot].handle;

		return 0xffff; /* Not a valid value */
		}
		EXPORT_SYMBOL_GPL(dmi_memdev_handle);

+2 −0

Original line number	Diff line number	Diff line
		@@ -114,6 +114,7 @@ extern bool dmi_match(enum dmi_field f, const char *str);
		extern void dmi_memdev_name(u16 handle, const char bank, const char device);
		extern u64 dmi_memdev_size(u16 handle);
		extern u8 dmi_memdev_type(u16 handle);
		extern u16 dmi_memdev_handle(int slot);

		#else

		@@ -144,6 +145,7 @@ static inline void dmi_memdev_name(u16 handle, const char **bank,
		const char **device) { }
		static inline u64 dmi_memdev_size(u16 handle) { return ~0ul; }
		static inline u8 dmi_memdev_type(u16 handle) { return 0x0; }
		static inline u16 dmi_memdev_handle(int slot) { return 0xffff; }
		static inline const struct dmi_system_id *
		dmi_first_match(const struct dmi_system_id *list) { return NULL; }