1 files changed, 9 insertions, 128 deletions

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 0947cbf9b69a..f05fbe31576c 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -46,6 +46,7 @@
 #define CPUID_TCM       2
 #define CPUID_TLBTYPE   3
 
+#ifdef CONFIG_CPU_CP15
 #define read_cpuid(reg)                                                 \
         ({                                                              \
                 unsigned int __val;                                     \
@@ -55,6 +56,9 @@
                     : "cc");                                            \
                 __val;                                                  \
         })
+#else
+#define read_cpuid(reg) (processor_id)
+#endif
 
 /*
  * This is used to ensure the compiler did actually allocate the register we
@@ -207,130 +211,7 @@ static inline void sched_cacheflush(void)
 {
 }
 
-/*
- * CPU interrupt mask handling.
- */
-#if __LINUX_ARM_ARCH__ >= 6
-
-#define local_irq_save(x)                                       \
-        ({                                                      \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ local_irq_save\n"     \
-        "cpsid  i"                                              \
-        : "=r" (x) : : "memory", "cc");                         \
-        })
-
-#define local_irq_enable()  __asm__("cpsie i    @ __sti" : : : "memory", "cc")
-#define local_irq_disable() __asm__("cpsid i    @ __cli" : : : "memory", "cc")
-#define local_fiq_enable()  __asm__("cpsie f    @ __stf" : : : "memory", "cc")
-#define local_fiq_disable() __asm__("cpsid f    @ __clf" : : : "memory", "cc")
-
-#else
-
-/*
- * Save the current interrupt enable state & disable IRQs
- */
-#define local_irq_save(x)                                       \
-        ({                                                      \
-                unsigned long temp;                             \
-                (void) (&temp == &x);                           \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ local_irq_save\n"     \
-"       orr     %1, %0, #128\n"                                 \
-"       msr     cpsr_c, %1"                                     \
-        : "=r" (x), "=r" (temp)                                 \
-        :                                                       \
-        : "memory", "cc");                                      \
-        })
-        
-/*
- * Enable IRQs
- */
-#define local_irq_enable()                                      \
-        ({                                                      \
-                unsigned long temp;                             \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ local_irq_enable\n"   \
-"       bic     %0, %0, #128\n"                                 \
-"       msr     cpsr_c, %0"                                     \
-        : "=r" (temp)                                           \
-        :                                                       \
-        : "memory", "cc");                                      \
-        })
-
-/*
- * Disable IRQs
- */
-#define local_irq_disable()                                     \
-        ({                                                      \
-                unsigned long temp;                             \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ local_irq_disable\n"  \
-"       orr     %0, %0, #128\n"                                 \
-"       msr     cpsr_c, %0"                                     \
-        : "=r" (temp)                                           \
-        :                                                       \
-        : "memory", "cc");                                      \
-        })
-
-/*
- * Enable FIQs
- */
-#define local_fiq_enable()                                      \
-        ({                                                      \
-                unsigned long temp;                             \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ stf\n"                \
-"       bic     %0, %0, #64\n"                                  \
-"       msr     cpsr_c, %0"                                     \
-        : "=r" (temp)                                           \
-        :                                                       \
-        : "memory", "cc");                                      \
-        })
-
-/*
- * Disable FIQs
- */
-#define local_fiq_disable()                                     \
-        ({                                                      \
-                unsigned long temp;                             \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ clf\n"                \
-"       orr     %0, %0, #64\n"                                  \
-"       msr     cpsr_c, %0"                                     \
-        : "=r" (temp)                                           \
-        :                                                       \
-        : "memory", "cc");                                      \
-        })
-
-#endif
-
-/*
- * Save the current interrupt enable state.
- */
-#define local_save_flags(x)                                     \
-        ({                                                      \
-        __asm__ __volatile__(                                   \
-        "mrs    %0, cpsr                @ local_save_flags"     \
-        : "=r" (x) : : "memory", "cc");                         \
-        })
-
-/*
- * restore saved IRQ & FIQ state
- */
-#define local_irq_restore(x)                                    \
-        __asm__ __volatile__(                                   \
-        "msr    cpsr_c, %0              @ local_irq_restore\n"  \
-        :                                                       \
-        : "r" (x)                                               \
-        : "memory", "cc")
-
-#define irqs_disabled()                 \
-({                                      \
-        unsigned long flags;            \
-        local_save_flags(flags);        \
-        (int)(flags & PSR_I_BIT);       \
-})
+#include <linux/irqflags.h>
 
 #ifdef CONFIG_SMP
 
@@ -405,17 +286,17 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
 #error SMP is not supported on this platform
 #endif
         case 1:
-                local_irq_save(flags);
+                raw_local_irq_save(flags);
                 ret = *(volatile unsigned char *)ptr;
                 *(volatile unsigned char *)ptr = x;
-                local_irq_restore(flags);
+                raw_local_irq_restore(flags);
                 break;
 
         case 4:
-                local_irq_save(flags);
+                raw_local_irq_save(flags);
                 ret = *(volatile unsigned long *)ptr;
                 *(volatile unsigned long *)ptr = x;
-                local_irq_restore(flags);
+                raw_local_irq_restore(flags);
                 break;
 #else
         case 1: