Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
  powerpc/8xx: Add support for the MPC8xx based boards from TQC
  powerpc/85xx: Introduce support for the Freescale P1022DS reference board
  powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
  powerpc/85xx: Change deprecated binding for 85xx-based boards
  powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
  powerpc/tqm85xx: update PCI interrupt-map attribute
  powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
  powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
  powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
  powerpc/85xx: Fix booting for P1021MDS boards
  powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
  powerpc/85xx: kexec for SMP 85xx BookE systems
  powerpc/5200/i2c: improve i2c bus error recovery
  of/xilinxfb: update tft compatible versions
  powerpc/fsl-diu-fb: Support setting display mode using EDID
  powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
  powerpc/5121: shared DIU framebuffer support
  powerpc/5121: move fsl-diu-fb.h to include/linux
  powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
  powerpc/512x: add clock structure for Video-IN (VIU) unit
  ...

1 files changed, 3 insertions, 26 deletions

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 25fc33984c2b..a45a63c3a0c7 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -55,9 +55,6 @@
 #endif
 #include <asm/kexec.h>
 #include <asm/ppc-opcode.h>
-#ifdef CONFIG_FSL_BOOKE
-#include <asm/dbell.h>
-#endif
 
 #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
 int (*__debugger)(struct pt_regs *regs) __read_mostly;
@@ -688,7 +685,7 @@ void RunModeException(struct pt_regs *regs)
 
 void __kprobes single_step_exception(struct pt_regs *regs)
 {
-	regs->msr &= ~(MSR_SE | MSR_BE);  /* Turn off 'trace' bits */
+	clear_single_step(regs);
 
 	if (notify_die(DIE_SSTEP, "single_step", regs, 5,
 					5, SIGTRAP) == NOTIFY_STOP)
@@ -707,10 +704,8 @@ void __kprobes single_step_exception(struct pt_regs *regs)
  */
 static void emulate_single_step(struct pt_regs *regs)
 {
-	if (single_stepping(regs)) {
-		clear_single_step(regs);
-		_exception(SIGTRAP, regs, TRAP_TRACE, 0);
-	}
+	if (single_stepping(regs))
+		single_step_exception(regs);
 }
 
 static inline int __parse_fpscr(unsigned long fpscr)
@@ -1344,24 +1339,6 @@ void vsx_assist_exception(struct pt_regs *regs)
 #endif /* CONFIG_VSX */
 
 #ifdef CONFIG_FSL_BOOKE
-
-void doorbell_exception(struct pt_regs *regs)
-{
-#ifdef CONFIG_SMP
-	int cpu = smp_processor_id();
-	int msg;
-
-	if (num_online_cpus() < 2)
-		return;
-
-	for (msg = 0; msg < 4; msg++)
-		if (test_and_clear_bit(msg, &dbell_smp_message[cpu]))
-			smp_message_recv(msg);
-#else
-	printk(KERN_WARNING "Received doorbell on non-smp system\n");
-#endif
-}
-
 void CacheLockingException(struct pt_regs *regs, unsigned long address,
 			   unsigned long error_code)
 {