linux/include/linux/ioremap.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IOREMAP_H
#define _LINUX_IOREMAP_H

#include <linux/kasan.h>
#include <asm/pgtable.h>
#include <asm/vmalloc.h>

#if defined(CONFIG_HAS_IOMEM) || defined(CONFIG_GENERIC_IOREMAP)
/*
 * Ioremap often, but not always uses the generic vmalloc area. E.g on
 * Power ARCH, it could have different ioremap space.
 */
#ifndef IOREMAP_START
#define IOREMAP_START …
#define IOREMAP_END …
#endif
static inline bool is_ioremap_addr(const void *x)
{ … }
#else
static inline bool is_ioremap_addr(const void *x)
{
	return false;
}
#endif

#endif /* _LINUX_IOREMAP_H */