[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>
diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h
index b56eba5..f49398a 100644
--- a/include/asm-frv/io.h
+++ b/include/asm-frv/io.h
@@ -40,13 +40,13 @@
//#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 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 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 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 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 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 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 @@
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 @@
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 @@
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)
{
diff --git a/include/asm-frv/mb-regs.h b/include/asm-frv/mb-regs.h
index 93fa732..219e5f9 100644
--- a/include/asm-frv/mb-regs.h
+++ b/include/asm-frv/mb-regs.h
@@ -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 @@
#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 @@
#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 @@
#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)
