1 files changed, 34 insertions, 29 deletions

diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index d40359204aba..9e4dd98eb220 100644
--- a/include/asm-powerpc/hw_irq.h
+++ b/include/asm-powerpc/hw_irq.h
@@ -7,16 +7,40 @@
 #ifdef __KERNEL__
 
 #include <linux/errno.h>
+#include <linux/compiler.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>
 
 extern void timer_interrupt(struct pt_regs *);
 
-#ifdef CONFIG_PPC_ISERIES
+#ifdef CONFIG_PPC64
+#include <asm/paca.h>
+
+static inline unsigned long local_get_flags(void)
+{
+        unsigned long flags;
+
+        __asm__ __volatile__("lbz %0,%1(13)"
+        : "=r" (flags)
+        : "i" (offsetof(struct paca_struct, soft_enabled)));
+
+        return flags;
+}
+
+static inline unsigned long local_irq_disable(void)
+{
+        unsigned long flags, zero;
+
+        __asm__ __volatile__("li %1,0; lbz %0,%2(13); stb %1,%2(13)"
+        : "=r" (flags), "=&r" (zero)
+        : "i" (offsetof(struct paca_struct, soft_enabled))
+        : "memory");
+
+        return flags;
+}
 
-extern unsigned long local_get_flags(void);
-extern unsigned long local_irq_disable(void);
 extern void local_irq_restore(unsigned long);
+extern void iseries_handle_interrupts(void);
 
 #define local_irq_enable()      local_irq_restore(1)
 #define local_save_flags(flags) ((flags) = local_get_flags())
@@ -24,17 +48,14 @@ extern void local_irq_restore(unsigned long);
 
 #define irqs_disabled()         (local_get_flags() == 0)
 
+#define hard_irq_enable()       __mtmsrd(mfmsr() | MSR_EE, 1)
+#define hard_irq_disable()      __mtmsrd(mfmsr() & ~MSR_EE, 1)
+
 #else
 
 #if defined(CONFIG_BOOKE)
 #define SET_MSR_EE(x)   mtmsr(x)
 #define local_irq_restore(flags)        __asm__ __volatile__("wrtee %0" : : "r" (flags) : "memory")
-#elif defined(__powerpc64__)
-#define SET_MSR_EE(x)   __mtmsrd(x, 1)
-#define local_irq_restore(flags) do { \
-        __asm__ __volatile__("": : :"memory"); \
-        __mtmsrd((flags), 1); \
-} while(0)
 #else
 #define SET_MSR_EE(x)   mtmsr(x)
 #define local_irq_restore(flags)        mtmsr(flags)
@@ -81,26 +102,10 @@ static inline void local_irq_save_ptr(unsigned long *flags)
 #define local_irq_save(flags)   local_irq_save_ptr(&flags)
 #define irqs_disabled()         ((mfmsr() & MSR_EE) == 0)
 
-#endif /* CONFIG_PPC_ISERIES */
-
-#define mask_irq(irq)                                           \
-        ({                                                      \
-                irq_desc_t *desc = get_irq_desc(irq);           \
-                if (desc->chip && desc->chip->disable)  \
-                        desc->chip->disable(irq);               \
-        })
-#define unmask_irq(irq)                                         \
-        ({                                                      \
-                irq_desc_t *desc = get_irq_desc(irq);           \
-                if (desc->chip && desc->chip->enable)   \
-                        desc->chip->enable(irq);                \
-        })
-#define ack_irq(irq)                                            \
-        ({                                                      \
-                irq_desc_t *desc = get_irq_desc(irq);           \
-                if (desc->chip && desc->chip->ack)      \
-                        desc->chip->ack(irq);           \
-        })
+#define hard_irq_enable()       local_irq_enable()
+#define hard_irq_disable()      local_irq_disable()
+
+#endif /* CONFIG_PPC64 */
 
 /*
  * interrupt-retrigger: should we handle this via lost interrupts and IPIs