sh: __addr_ok() and other misc nommu fixups.

A few more outstanding nommu fixups..

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 4a32550fd7c6..c4aa687ba26a 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -302,9 +302,11 @@ ubc_set_tracing(int asid, unsigned long pc)
 {
         ctrl_outl(pc, UBC_BARA);
 
+#ifdef CONFIG_MMU
         /* We don't have any ASID settings for the SH-2! */
         if (cpu_data->type != CPU_SH7604)
                 ctrl_outb(asid, UBC_BASRA);
+#endif
 
         ctrl_outl(0, UBC_BAMRA);
 
@@ -347,6 +349,7 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
         }
 #endif
 
+#ifdef CONFIG_MMU
         /*
          * Restore the kernel mode register
          *      k7 (r7_bank1)
@@ -354,19 +357,21 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
         asm volatile("ldc       %0, r7_bank"
                      : /* no output */
                      : "r" (task_thread_info(next)));
+#endif
 
-#ifdef CONFIG_MMU
         /* If no tasks are using the UBC, we're done */
         if (ubc_usercnt == 0)
                 /* If no tasks are using the UBC, we're done */;
         else if (next->thread.ubc_pc && next->mm) {
-                ubc_set_tracing(next->mm->context & MMU_CONTEXT_ASID_MASK,
-                                next->thread.ubc_pc);
+                int asid = 0;
+#ifdef CONFIG_MMU
+                asid |= next->mm->context & MMU_CONTEXT_ASID_MASK;
+#endif
+                ubc_set_tracing(asid, next->thread.ubc_pc);
         } else {
                 ctrl_outw(0, UBC_BBRA);
                 ctrl_outw(0, UBC_BBRB);
         }
-#endif
 
         return prev;
 }