diff options
| author | Greg Ungerer <gerg@snapgear.com> | 2008-05-23 08:31:39 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-05-23 13:50:08 +0100 |
| commit | 415ad1e50abcc86c235a42fbab57f2b6134412d7 (patch) | |
| tree | 544076100f62d1210a8f4babe2fed7f62afa92c5 | |
| parent | 66aaeff1c27545909e502546120be2c5432394e3 (diff) | |
[ARM] 5053/1: define before use of processor_id
For the simple read_cpuid() macro case the variable processor_id has
no definition on use of the macro. Add an extern for it. Move all the
processor ID macros into the #ifndef __ASSEMBLEY__ block.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | include/asm-arm/system.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 6335de9a2bb3..514af792a598 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -48,20 +48,6 @@ #define CPUID_TCM 2 #define CPUID_TLBTYPE 3 -#ifdef CONFIG_CPU_CP15 -#define read_cpuid(reg) \ - ({ \ - unsigned int __val; \ - asm("mrc p15, 0, %0, c0, c0, " __stringify(reg) \ - : "=r" (__val) \ - : \ - : "cc"); \ - __val; \ - }) -#else -#define read_cpuid(reg) (processor_id) -#endif - /* * This is used to ensure the compiler did actually allocate the register we * asked it for some inline assembly sequences. Apparently we can't trust @@ -78,6 +64,21 @@ #include <linux/stringify.h> #include <linux/irqflags.h> +#ifdef CONFIG_CPU_CP15 +#define read_cpuid(reg) \ + ({ \ + unsigned int __val; \ + asm("mrc p15, 0, %0, c0, c0, " __stringify(reg) \ + : "=r" (__val) \ + : \ + : "cc"); \ + __val; \ + }) +#else +extern unsigned int processor_id; +#define read_cpuid(reg) (processor_id) +#endif + /* * The CPU ID never changes at run time, so we might as well tell the * compiler that it's constant. Use this function to read the CPU ID |