powerpc/booke: Clean up the hardware watchpoint support

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / ptrace.c

diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index a5d0e78779c813134b544fd14bc4731d34531418..66204cb51a1aaae8ca95fb7d01e2a9de144dd123 100644 (file)
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -717,7 +717,7 @@ void user_disable_single_step(struct task_struct *task)
        struct pt_regs *regs = task->thread.regs;
 
 
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
        /* If DAC then do not single step, skip */
        if (task->thread.dabr)
                return;
@@ -744,10 +744,11 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
        if (addr > 0)
                return -EINVAL;
 
+       /* The bottom 3 bits in dabr are flags */
        if ((data & ~0x7UL) >= TASK_SIZE)
                return -EIO;
 
-#ifdef CONFIG_PPC64
+#ifndef CONFIG_BOOKE
 
        /* For processors using DABR (i.e. 970), the bottom 3 bits are flags.
         *  It was assumed, on previous implementations, that 3 bits were
@@ -769,7 +770,7 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
        task->thread.dabr = data;
 
 #endif
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
 
        /* As described above, it was assumed 3 bits were passed with the data
         *  address, but we will assume only the mode bits will be passed