[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>

1 files changed, 19 insertions, 8 deletions

diff --git a/include/asm-frv/mb-regs.h b/include/asm-frv/mb-regs.h
index 93fa732fb0cd..219e5f926f18 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 @@ 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)