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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-24 13:13:16 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-24 13:13:16 -0400
commitd3c5f8b93febadf62da9a4b39a2dca8e66a4da40 (patch)
treeccb5955591c0625bf36a9b6277ebd3a0c525d19a /include/asm-arm/system.h
parent25d5cb4b0375e5864ec0ccf35e12ff1d1b5cf3f0 (diff)
parent7c28472a5d4ecf7c61b3c3901994be878cd6c5d2 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] integrator: fix build warnings and errors [ARM] fix OMAP include loops Revert "[ARM] pxa: spitz wants PXA27x UDC definitions" [ARM] 5053/1: define before use of processor_id [ARM] 5052/1: export clock functions for the at91x40 [ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too [ARM] omap: fix omap clk support build errors [ARM] 5039/1: S3C244X: Rename SDI device if running on S3C244X. [ARM] 5043/1: pxafb: remove unused mode variable in pxafb_init_fbinfo [ARM] 5041/1: VR1000: Fix DM9000 IRQ flags initialisation [ARM] 5040/1: BAST: Fix DM9000 IRQ flags initialisation [ARM] 5038/1: ARM: OMAP: Remove tsc2102 references from board-palmte.c [ARM] 5025/2: fix collie cpu initialisation
Diffstat (limited to 'include/asm-arm/system.h')
-rw-r--r--include/asm-arm/system.h29
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 @@
48#define CPUID_TCM 2 48#define CPUID_TCM 2
49#define CPUID_TLBTYPE 3 49#define CPUID_TLBTYPE 3
50 50
51#ifdef CONFIG_CPU_CP15
52#define read_cpuid(reg) \
53 ({ \
54 unsigned int __val; \
55 asm("mrc p15, 0, %0, c0, c0, " __stringify(reg) \
56 : "=r" (__val) \
57 : \
58 : "cc"); \
59 __val; \
60 })
61#else
62#define read_cpuid(reg) (processor_id)
63#endif
64
65/* 51/*
66 * This is used to ensure the compiler did actually allocate the register we 52 * This is used to ensure the compiler did actually allocate the register we
67 * asked it for some inline assembly sequences. Apparently we can't trust 53 * asked it for some inline assembly sequences. Apparently we can't trust
@@ -78,6 +64,21 @@
78#include <linux/stringify.h> 64#include <linux/stringify.h>
79#include <linux/irqflags.h> 65#include <linux/irqflags.h>
80 66
67#ifdef CONFIG_CPU_CP15
68#define read_cpuid(reg) \
69 ({ \
70 unsigned int __val; \
71 asm("mrc p15, 0, %0, c0, c0, " __stringify(reg) \
72 : "=r" (__val) \
73 : \
74 : "cc"); \
75 __val; \
76 })
77#else
78extern unsigned int processor_id;
79#define read_cpuid(reg) (processor_id)
80#endif
81
81/* 82/*
82 * The CPU ID never changes at run time, so we might as well tell the 83 * The CPU ID never changes at run time, so we might as well tell the
83 * compiler that it's constant. Use this function to read the CPU ID 84 * compiler that it's constant. Use this function to read the CPU ID