Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
808 B
C
36 lines
808 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* ioremap implementation.
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*
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* Copyright (C) 2015 Cadence Design Systems Inc.
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*/
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#include <linux/io.h>
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#include <linux/pgtable.h>
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#include <asm/cacheflush.h>
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#include <asm/io.h>
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void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size,
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pgprot_t prot)
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{
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unsigned long pfn = __phys_to_pfn((phys_addr));
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WARN_ON(pfn_valid(pfn));
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return generic_ioremap_prot(phys_addr, size, prot);
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}
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EXPORT_SYMBOL(ioremap_prot);
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void iounmap(volatile void __iomem *addr)
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{
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unsigned long va = (unsigned long) addr;
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if ((va >= XCHAL_KIO_CACHED_VADDR &&
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va - XCHAL_KIO_CACHED_VADDR < XCHAL_KIO_SIZE) ||
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(va >= XCHAL_KIO_BYPASS_VADDR &&
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va - XCHAL_KIO_BYPASS_VADDR < XCHAL_KIO_SIZE))
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return;
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generic_iounmap(addr);
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}
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EXPORT_SYMBOL(iounmap);
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