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: (137 commits)
  sh: include empty zero page in romImage
  sh: Make associative cache writes fatal on all SH-4A parts.
  sh: Drop associative writes for SH-4 cache flushes.
  sh: Partial revert of copy/clear_user_highpage() optimizations.
  sh: Add default uImage rule for se7724, ap325rxa, and migor.
  sh: allow runtime pm without suspend/resume callbacks
  sh: mach-ecovec24: Remove un-defined settings for VPU
  sh: mach-ecovec24: LCDC drive ability become high
  sh: fix sh7724 VEU3F resource size
  serial: sh-sci: Fix too early port disabling.
  sh: pfc: pr_info() -> pr_debug() cleanups.
  sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
  sh: Improve kfr2r09 serial port setup code
  sh: Break out SuperH PFC code
  sh: Move KEYSC header file
  sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
  sh: Add CPG save/restore code for sh7724 R-standby
  sh: Add SDHI power control support to Ecovec
  mfd: Add power control platform data to SDHI driver
  sh: mach-ecovec24: modify address map
  ...

1 files changed, 6 insertions, 22 deletions

diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index e932ebef4738..89b4b76c0d76 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -75,16 +75,11 @@ static void __init expmask_init(void)
         /*
          * Future proofing.
          *
-         * Disable support for slottable sleep instruction
-         * and non-nop instructions in the rte delay slot.
+         * Disable support for slottable sleep instruction, non-nop
+         * instructions in the rte delay slot, and associative writes to
+         * the memory-mapped cache array.
          */
-        expmask &= ~(EXPMASK_RTEDS | EXPMASK_BRDSSLP);
-
-        /*
-         * Enable associative writes to the memory-mapped cache array
-         * until the cache flush ops have been rewritten.
-         */
-        expmask |= EXPMASK_MMCAW;
+        expmask &= ~(EXPMASK_RTEDS | EXPMASK_BRDSSLP | EXPMASK_MMCAW);
 
         __raw_writel(expmask, EXPMASK);
         ctrl_barrier();
@@ -311,12 +306,12 @@ asmlinkage void __init sh_cpu_init(void)
         if (fpu_disabled) {
                 printk("FPU Disabled\n");
                 current_cpu_data.flags &= ~CPU_HAS_FPU;
-                disable_fpu();
         }
 
         /* FPU initialization */
+        disable_fpu();
         if ((current_cpu_data.flags & CPU_HAS_FPU)) {
-                clear_thread_flag(TIF_USEDFPU);
+                current_thread_info()->status &= ~TS_USEDFPU;
                 clear_used_math();
         }
 
@@ -338,17 +333,6 @@ asmlinkage void __init sh_cpu_init(void)
         }
 #endif
 
-        /*
-         * Some brain-damaged loaders decided it would be a good idea to put
-         * the UBC to sleep. This causes some issues when it comes to things
-         * like PTRACE_SINGLESTEP or doing hardware watchpoints in GDB.  So ..
-         * we wake it up and hope that all is well.
-         */
-#ifdef CONFIG_SUPERH32
-        if (raw_smp_processor_id() == 0)
-                ubc_wakeup();
-#endif
-
         speculative_execution_init();
         expmask_init();
 }