nfp: remove unused nfp_cpp_area_check_range()

		      void *buffer, size_t length);

int nfp_cpp_area_write(struct nfp_cpp_area *area, unsigned long offset,

		       const void *buffer, size_t length);

int nfp_cpp_area_check_range(struct nfp_cpp_area *area,

			     unsigned long long offset, unsigned long size);

const char *nfp_cpp_area_name(struct nfp_cpp_area *cpp_area);

void *nfp_cpp_area_priv(struct nfp_cpp_area *cpp_area);

struct nfp_cpp *nfp_cpp_area_cpp(struct nfp_cpp_area *cpp_area);

	return area->cpp->op->area_write(area, kernel_vaddr, offset, length);

}

/**

 * nfp_cpp_area_check_range() - check if address range fits in CPP area

 * @area:	CPP area handle

 * @offset:	offset into CPP target

 * @length:	size of address range in bytes

 *

 * Check if address range fits within CPP area.  Return 0 if area

 * fits or -EFAULT on error.

 *

 * Return: 0, or -ERRNO

 */

int nfp_cpp_area_check_range(struct nfp_cpp_area *area,

			     unsigned long long offset, unsigned long length)

{

	if (offset < area->offset ||

	    offset + length > area->offset + area->size)

		return -EFAULT;

	return 0;

}

/**

 * nfp_cpp_area_name() - return name of a CPP area

 * @cpp_area:	CPP area handle