Commit d89e36d8 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Fix iounmap argument to const volatile. 



With the existing prototype the following code:

    const void __iomem *io = ioremap();
    x = readb(io);
    iounmap(io);

did result in a warning.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent d2bcf87d

arch/mips/mm/ioremap.c

+1 −1
Original line number Diff line number Diff line
@@ -176,7 +176,7 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) 


#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)



void __iounmap(volatile void __iomem *addr)

void __iounmap(const volatile void __iomem *addr)

{

	struct vm_struct *p;

include/asm-mips/io.h

+2 −2
Original line number Diff line number Diff line
@@ -172,7 +172,7 @@ extern unsigned long isa_slot_offset; 
#define page_to_phys(page)	((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)



extern void __iomem * __ioremap(phys_t offset, phys_t size, unsigned long flags);

extern void __iounmap(volatile void __iomem *addr);

extern void __iounmap(const volatile void __iomem *addr);



static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,

	unsigned long flags)
@@ -279,7 +279,7 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size, 
#define ioremap_uncached_accelerated(offset, size)			\

	__ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED)



static inline void iounmap(volatile void __iomem *addr)

static inline void iounmap(const volatile void __iomem *addr)

{

#define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)