Cregit: Linux 6.16: ioremap.c

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Max Filippov	90	73.77%	2	28.57%
Baoquan He	23	18.85%	1	14.29%
Chris Zankel	3	2.46%	1	14.29%
Mike Rapoport	3	2.46%	1	14.29%
Thomas Gleixner	2	1.64%	1	14.29%
Ryan Roberts	1	0.82%	1	14.29%
Total	122		7

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ioremap implementation.
 *
 * Copyright (C) 2015 Cadence Design Systems Inc.
 */

#include <linux/io.h>
#include <linux/pgtable.h>
#include <asm/cacheflush.h>
#include <asm/io.h>

void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
			   pgprot_t prot)
{
	unsigned long pfn = __phys_to_pfn((phys_addr));
	WARN_ON(pfn_valid(pfn));

	return generic_ioremap_prot(phys_addr, size, prot);
}
EXPORT_SYMBOL(ioremap_prot);

void iounmap(volatile void __iomem *addr)
{
	unsigned long va = (unsigned long) addr;

	if ((va >= XCHAL_KIO_CACHED_VADDR &&
	      va - XCHAL_KIO_CACHED_VADDR < XCHAL_KIO_SIZE) ||
	    (va >= XCHAL_KIO_BYPASS_VADDR &&
	      va - XCHAL_KIO_BYPASS_VADDR < XCHAL_KIO_SIZE))
		return;

	generic_iounmap(addr);
}
EXPORT_SYMBOL(iounmap);