Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits)
  sh: sh7785lcr: Map whole PCI address space.
  sh: Fix up DSP context save/restore.
  sh: Fix up number of on-chip DMA channels on SH7091.
  sh: update defconfigs.
  sh: Kill off broken direct-mapped cache mode.
  sh: Wire up ARCH_HAS_DEFAULT_IDLE for cpuidle.
  sh: Add a command line option for disabling I/O trapping.
  sh: Select ARCH_HIBERNATION_POSSIBLE.
  sh: migor: Fix up CEU use flags.
  input: migor_ts: add wakeup support
  rtc: rtc-sh: use set_irq_wake()
  input: sh_keysc: use enable/disable_irq_wake()
  sh: intc: set_irq_wake() support
  sh: intc: install enable, disable and shutdown callbacks
  clocksource: sh_cmt: use remove_irq() and remove clockevent workaround
  sh: ap325 and Migo-R use new sh_mobile_ceu_info flags
  sh: Fix up -Wformat-security whining.
  sh: ap325rxa: Add ov772x support, again.
  sh: Sanitize asm/mmu.h for assembly use.
  sh: Tidy up sh7786 pinmux table.
  ...

1 files changed, 13 insertions, 1 deletions

diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 694bc15f84f..6d94725d22f 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -176,14 +176,26 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 {
 	struct thread_info *ti = task_thread_info(p);
 	struct pt_regs *childregs;
-#if defined(CONFIG_SH_FPU)
+#if defined(CONFIG_SH_FPU) || defined(CONFIG_SH_DSP)
 	struct task_struct *tsk = current;
+#endif
 
+#if defined(CONFIG_SH_FPU)
 	unlazy_fpu(tsk, regs);
 	p->thread.fpu = tsk->thread.fpu;
 	copy_to_stopped_child_used_math(p);
 #endif
 
+#if defined(CONFIG_SH_DSP)
+	if (is_dsp_enabled(tsk)) {
+		/* We can use the __save_dsp or just copy the struct:
+		 * __save_dsp(p);
+		 * p->thread.dsp_status.status |= SR_DSP
+		 */
+		p->thread.dsp_status = tsk->thread.dsp_status;
+	}
+#endif
+
 	childregs = task_pt_regs(p);
 	*childregs = *regs;