linux-stable/arch/mips/mm/ioremap64.c
Christoph Hellwig d257b8fe17 MIPS: move ioremap_prot und iounmap out of line
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>
2020-04-19 16:12:31 +02:00

23 lines
567 B
C

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/io.h>
#include <ioremap.h>
void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
unsigned long prot_val)
{
unsigned long flags = prot_val & _CACHE_MASK;
u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
void __iomem *addr;
addr = plat_ioremap(offset, size, flags);
if (!addr)
addr = (void __iomem *)(unsigned long)(base + offset);
return addr;
}
EXPORT_SYMBOL(ioremap_prot);
void iounmap(const volatile void __iomem *addr)
{
plat_iounmap(addr);
}
EXPORT_SYMBOL(iounmap);