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[PATCH] frv: basic __iomem annotations 

Add annotations to the FRV I/O handling functions for sparse.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-06-23 02:04:03 -07:00 committed by Linus Torvalds
parent a8a77573c9
commit 3f4cd389c3
3 changed files with 41 additions and 30 deletions
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6
arch/frv/mm/kmap.c
View File

@ -31,15 +31,15 @@
* Map some physical address range into the kernel address space.
*/
void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
{
return (void *)physaddr;
return (void __iomem *)physaddr;
}
/*
* Unmap a ioremap()ed region again
*/
void iounmap(void *addr)
void iounmap(void volatile __iomem *addr)
{
}

38
include/asm-frv/io.h
View File

@ -40,13 +40,13 @@ static inline unsigned long _swapl(unsigned long v)
//#define __iormb() asm volatile("membar")
//#define __iowmb() asm volatile("membar")
#define __raw_readb(addr) __builtin_read8((void *) (addr))
#define __raw_readw(addr) __builtin_read16((void *) (addr))
#define __raw_readl(addr) __builtin_read32((void *) (addr))
#define __raw_readb __builtin_read8
#define __raw_readw __builtin_read16
#define __raw_readl __builtin_read32
#define __raw_writeb(datum, addr) __builtin_write8((void *) (addr), datum)
#define __raw_writew(datum, addr) __builtin_write16((void *) (addr), datum)
#define __raw_writel(datum, addr) __builtin_write32((void *) (addr), datum)
#define __raw_writeb(datum, addr) __builtin_write8(addr, datum)
#define __raw_writew(datum, addr) __builtin_write16(addr, datum)
#define __raw_writel(datum, addr) __builtin_write32(addr, datum)
static inline void io_outsb(unsigned int addr, const void *buf, int len)
{
@ -128,12 +128,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
static inline uint8_t inb(unsigned long addr)
{
return __builtin_read8((void *)addr);
return __builtin_read8((void __iomem *)addr);
}
static inline uint16_t inw(unsigned long addr)
{
uint16_t ret = __builtin_read16((void *)addr);
uint16_t ret = __builtin_read16((void __iomem *)addr);
if (__is_PCI_IO(addr))
ret = _swapw(ret);
@ -143,7 +143,7 @@ static inline uint16_t inw(unsigned long addr)
static inline uint32_t inl(unsigned long addr)
{
uint32_t ret = __builtin_read32((void *)addr);
uint32_t ret = __builtin_read32((void __iomem *)addr);
if (__is_PCI_IO(addr))
ret = _swapl(ret);
@ -153,21 +153,21 @@ static inline uint32_t inl(unsigned long addr)
static inline void outb(uint8_t datum, unsigned long addr)
{
__builtin_write8((void *)addr, datum);
__builtin_write8((void __iomem *)addr, datum);
}
static inline void outw(uint16_t datum, unsigned long addr)
{
if (__is_PCI_IO(addr))
datum = _swapw(datum);
__builtin_write16((void *)addr, datum);
__builtin_write16((void __iomem *)addr, datum);
}
static inline void outl(uint32_t datum, unsigned long addr)
{
if (__is_PCI_IO(addr))
datum = _swapl(datum);
__builtin_write32((void *)addr, datum);
__builtin_write32((void __iomem *)addr, datum);
}
#define inb_p(addr) inb(addr)
@ -189,12 +189,12 @@ static inline void outl(uint32_t datum, unsigned long addr)
static inline uint8_t readb(const volatile void __iomem *addr)
{
return __builtin_read8((volatile uint8_t __force *) addr);
return __builtin_read8((__force void volatile __iomem *) addr);
}
static inline uint16_t readw(const volatile void __iomem *addr)
{
uint16_t ret = __builtin_read16((volatile uint16_t __force *)addr);
uint16_t ret = __builtin_read16((__force void volatile __iomem *)addr);
if (__is_PCI_MEM(addr))
ret = _swapw(ret);
@ -203,7 +203,7 @@ static inline uint16_t readw(const volatile void __iomem *addr)
static inline uint32_t readl(const volatile void __iomem *addr)
{
uint32_t ret = __builtin_read32((volatile uint32_t __force *)addr);
uint32_t ret = __builtin_read32((__force void volatile __iomem *)addr);
if (__is_PCI_MEM(addr))
ret = _swapl(ret);
@ -217,7 +217,7 @@ static inline uint32_t readl(const volatile void __iomem *addr)
static inline void writeb(uint8_t datum, volatile void __iomem *addr)
{
__builtin_write8((volatile uint8_t __force *) addr, datum);
__builtin_write8(addr, datum);
if (__is_PCI_MEM(addr))
__flush_PCI_writes();
}
@ -227,7 +227,7 @@ static inline void writew(uint16_t datum, volatile void __iomem *addr)
if (__is_PCI_MEM(addr))
datum = _swapw(datum);
__builtin_write16((volatile uint16_t __force *) addr, datum);
__builtin_write16(addr, datum);
if (__is_PCI_MEM(addr))
__flush_PCI_writes();
}
@ -237,7 +237,7 @@ static inline void writel(uint32_t datum, volatile void __iomem *addr)
if (__is_PCI_MEM(addr))
datum = _swapl(datum);
__builtin_write32((volatile uint32_t __force *) addr, datum);
__builtin_write32(addr, datum);
if (__is_PCI_MEM(addr))
__flush_PCI_writes();
}
@ -271,7 +271,7 @@ static inline void __iomem *ioremap_fullcache(unsigned long physaddr, unsigned l
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
}
extern void iounmap(void __iomem *addr);
extern void iounmap(void volatile __iomem *addr);
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
{

27
include/asm-frv/mb-regs.h
View File

@ -16,6 +16,17 @@
#include <asm/sections.h>
#include <asm/mem-layout.h>
#ifndef __ASSEMBLY__
/* gcc builtins, annotated */
unsigned long __builtin_read8(volatile void __iomem *);
unsigned long __builtin_read16(volatile void __iomem *);
unsigned long __builtin_read32(volatile void __iomem *);
void __builtin_write8(volatile void __iomem *, unsigned char);
void __builtin_write16(volatile void __iomem *, unsigned short);
void __builtin_write32(volatile void __iomem *, unsigned long);
#endif
#define __region_IO KERNEL_IO_START /* the region from 0xe0000000 to 0xffffffff has suitable
* protection laid over the top for use in memory-mapped
* I/O
@ -59,7 +70,7 @@
#define __region_PCI_MEM (__region_CS2 + 0x08000000UL)
#define __flush_PCI_writes() \
do { \
__builtin_write8((volatile void *) __region_PCI_MEM, 0); \
__builtin_write8((volatile void __iomem *) __region_PCI_MEM, 0); \
} while(0)
#define __is_PCI_IO(addr) \
@ -83,15 +94,15 @@ extern int __nongprelbss mb93090_mb00_detected;
#define __set_LEDS(X) \
do { \
if (mb93090_mb00_detected) \
__builtin_write32((void *) __addr_LEDS(), ~(X)); \
__builtin_write32((void __iomem *) __addr_LEDS(), ~(X)); \
} while (0)
#else
#define __set_LEDS(X)
#endif
#define __addr_LCD() (__region_CS2 + 0x01200008UL)
#define __get_LCD(B) __builtin_read32((volatile void *) (B))
#define __set_LCD(B,X) __builtin_write32((volatile void *) (B), (X))
#define __get_LCD(B) __builtin_read32((volatile void __iomem *) (B))
#define __set_LCD(B,X) __builtin_write32((volatile void __iomem *) (B), (X))
#define LCD_D 0x000000ff /* LCD data bus */
#define LCD_RW 0x00000100 /* LCD R/W signal */
@ -161,11 +172,11 @@ do { \
#define __get_CLKIN() 66000000UL
#define __addr_LEDS() (__region_CS2 + 0x00000023UL)
#define __set_LEDS(X) __builtin_write8((volatile void *) __addr_LEDS(), (X))
#define __set_LEDS(X) __builtin_write8((volatile void __iomem *) __addr_LEDS(), (X))
#define __addr_FPGATR() (__region_CS2 + 0x00000030UL)
#define __set_FPGATR(X) __builtin_write32((volatile void *) __addr_FPGATR(), (X))
#define __get_FPGATR() __builtin_read32((volatile void *) __addr_FPGATR())
#define __set_FPGATR(X) __builtin_write32((volatile void __iomem *) __addr_FPGATR(), (X))
#define __get_FPGATR() __builtin_read32((volatile void __iomem *) __addr_FPGATR())
#define MB93093_FPGA_FPGATR_AUDIO_CLK 0x00000003
@ -180,7 +191,7 @@ do { \
#define MB93093_FPGA_SWR_PUSHSWMASK (0x1F<<26)
#define MB93093_FPGA_SWR_PUSHSW4 (1<<29)
#define __addr_FPGA_SWR ((volatile void *)(__region_CS2 + 0x28UL))
#define __addr_FPGA_SWR ((volatile void __iomem *)(__region_CS2 + 0x28UL))
#define __get_FPGA_PUSHSW1_5() (__builtin_read32(__addr_FPGA_SWR) & MB93093_FPGA_SWR_PUSHSWMASK)