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parisc: remove __ioremap

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__ioremap is always called with the _PAGE_NO_CACHE, so fold the whole
thing and rename it to ioremap.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Christoph Hellwig 2019-08-07 19:01:38 +03:00
parent 5ace77e0b4
commit a1fd79ad0d
2 changed files with 5 additions and 16 deletions
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11
arch/parisc/include/asm/io.h
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@ -127,16 +127,7 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
/*
* The standard PCI ioremap interfaces
*/
extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
/* Most machines react poorly to I/O-space being cacheable... Instead let's
* define ioremap() in terms of ioremap_nocache().
*/
static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
{
return __ioremap(offset, size, _PAGE_NO_CACHE);
}
void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_nocache(off, sz) ioremap((off), (sz))
#define ioremap_wc ioremap_nocache
#define ioremap_uc ioremap_nocache

10
arch/parisc/mm/ioremap.c
View file

@ -25,7 +25,7 @@
* have to convert them into an offset in a page-aligned mapping, but the
* caller shouldn't need to know that small detail.
*/
void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags)
void __iomem *ioremap(unsigned long phys_addr, unsigned long size)
{
void __iomem *addr;
struct vm_struct *area;
@ -36,10 +36,8 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
unsigned long end = phys_addr + size - 1;
/* Support EISA addresses */
if ((phys_addr >= 0x00080000 && end < 0x000fffff) ||
(phys_addr >= 0x00500000 && end < 0x03bfffff)) {
(phys_addr >= 0x00500000 && end < 0x03bfffff))
phys_addr |= F_EXTEND(0xfc000000);
flags |= _PAGE_NO_CACHE;
}
#endif
/* Don't allow wraparound or zero size */
@ -65,7 +63,7 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
}
pgprot = __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY |
_PAGE_ACCESSED | flags);
_PAGE_ACCESSED | _PAGE_NO_CACHE);
/*
* Mappings have to be page-aligned
@ -90,7 +88,7 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
return (void __iomem *) (offset + (char __iomem *)addr);
}
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(ioremap);
void iounmap(const volatile void __iomem *io_addr)
{