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https://github.com/torvalds/linux
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d257b8fe17
Neither of these interfaces is anywhere near the fast path. Move them out of line and avoid exposing implementation details to the drivers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
24 lines
567 B
C
24 lines
567 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/io.h>
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#include <ioremap.h>
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void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
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unsigned long prot_val)
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{
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unsigned long flags = prot_val & _CACHE_MASK;
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u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
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void __iomem *addr;
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addr = plat_ioremap(offset, size, flags);
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if (!addr)
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addr = (void __iomem *)(unsigned long)(base + offset);
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return addr;
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}
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EXPORT_SYMBOL(ioremap_prot);
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void iounmap(const volatile void __iomem *addr)
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{
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plat_iounmap(addr);
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}
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EXPORT_SYMBOL(iounmap);
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