// SPDX-License-Identifier: GPL-2.0-or-later/* * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. *                    <benh@kernel.crashing.org> */ #undef DEBUG #include <linux/kernel.h>#include <linux/export.h>#include <linux/of_address.h>#include <asm/dcr.h> unsigned int dcr_resource_start(const struct device_node *np,				unsigned int index){	unsigned int ds;	const u32 *dr = of_get_property(np, "dcr-reg", &ds); 	if (dr == NULL || ds & 1 || index >= (ds / 8))		return 0; 	return dr[index * 2];}EXPORT_SYMBOL_GPL(dcr_resource_start); unsigned int dcr_resource_len(const struct device_node *np, unsigned int index){	unsigned int ds;	const u32 *dr = of_get_property(np, "dcr-reg", &ds); 	if (dr == NULL || ds & 1 || index >= (ds / 8))		return 0; 	return dr[index * 2 + 1];}EXPORT_SYMBOL_GPL(dcr_resource_len); DEFINE_SPINLOCK(dcr_ind_lock);EXPORT_SYMBOL_GPL(dcr_ind_lock);