Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (194 commits)
  [POWERPC] Add missing EXPORTS for mpc52xx support
  [POWERPC] Remove obsolete PPC_52xx and update CLASSIC32 comment
  [POWERPC] ps3: add a default zImage target
  [POWERPC] Add of_platform_bus support to mpc52xx psc uart driver
  [POWERPC] typo fix and whitespace cleanup on mpc52xx-uart driver
  [POWERPC] Fix debug printks for 32-bit resources in the PCI code
  [POWERPC] Replace kmalloc+memset with kzalloc
  [POWERPC] Linkstation / kurobox support
  [POWERPC] Add the e300c3 core to the CPU table.
  [POWERPC] ppc: m48t35 add missing bracket
  [POWERPC] iSeries: don't build head_64.o unnecessarily
  [POWERPC] iSeries: stop dt_mod.o being rebuilt unnecessarily
  [POWERPC] Fix cputable.h for combined build
  [POWERPC] Allow CONFIG_BOOTX_TEXT on iSeries
  [POWERPC] Allow xmon to build on legacy iSeries
  [POWERPC] Change ppc64_defconfig to use AUTOFS_V4 not V3
  [POWERPC] Tell firmware we can handle POWER6 compatible mode
  [POWERPC] Clean images in arch/powerpc/boot
  [POWERPC] Fix OF pci flags parsing
  [POWERPC] defconfig for lite5200 board
  ...

1 files changed, 34 insertions, 10 deletions

diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index d40359204ab..d604863d72f 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)
@@ -81,7 +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 hard_irq_enable()	local_irq_enable()
+#define hard_irq_disable()	local_irq_disable()
+
+#endif /* CONFIG_PPC64 */
 
 #define mask_irq(irq)						\
 	({							\