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>
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index f007571..346fffd 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -30,8 +30,6 @@
#include <asm/pgtable-bits.h>
#include <asm/processor.h>
#include <asm/string.h>
-
-#include <ioremap.h>
#include <mangle-port.h>
/*
@@ -153,87 +151,9 @@ static inline void *isa_bus_to_virt(unsigned long address)
*/
#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-#ifdef CONFIG_64BIT
-static inline 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;
-}
-
-static inline void iounmap(const volatile void __iomem *addr)
-{
- plat_iounmap(addr);
-}
-#else /* CONFIG_64BIT */
-extern void __iomem * __ioremap(phys_addr_t offset, phys_addr_t size, unsigned long flags);
-extern void __iounmap(const volatile void __iomem *addr);
-
-/*
- * ioremap_prot - map bus memory into CPU space
- * @offset: bus address of the memory
- * @size: size of the resource to map
-
- * ioremap_prot gives the caller control over cache coherency attributes (CCA)
- */
-static inline void __iomem *ioremap_prot(phys_addr_t offset,
- unsigned long size, unsigned long prot_val)
-{
- unsigned long flags = prot_val & _CACHE_MASK;
- void __iomem *addr = plat_ioremap(offset, size, flags);
-
- if (addr)
- return addr;
-
-#define __IS_LOW512(addr) (!((phys_addr_t)(addr) & (phys_addr_t) ~0x1fffffffULL))
-
- if (__builtin_constant_p(offset) &&
- __builtin_constant_p(size) && __builtin_constant_p(flags)) {
- phys_addr_t phys_addr, last_addr;
-
- phys_addr = fixup_bigphys_addr(offset, size);
-
- /* Don't allow wraparound or zero size. */
- last_addr = phys_addr + size - 1;
- if (!size || last_addr < phys_addr)
- return NULL;
-
- /*
- * Map uncached objects in the low 512MB of address
- * space using KSEG1.
- */
- if (__IS_LOW512(phys_addr) && __IS_LOW512(last_addr) &&
- flags == _CACHE_UNCACHED)
- return (void __iomem *)
- (unsigned long)CKSEG1ADDR(phys_addr);
- }
-
- return __ioremap(offset, size, flags);
-
-#undef __IS_LOW512
-}
-
-static inline void iounmap(const volatile void __iomem *addr)
-{
- if (plat_iounmap(addr))
- return;
-
-#define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
-
- if (__builtin_constant_p(addr) && __IS_KSEG1(addr))
- return;
-
- __iounmap(addr);
-
-#undef __IS_KSEG1
-}
-#endif /* !CONFIG_64BIT */
+void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
+ unsigned long prot_val);
+void iounmap(const volatile void __iomem *addr);
/*
* ioremap - map bus memory into CPU space