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authorKumar Gala <galak@kernel.crashing.org>2008-07-25 14:22:02 -0500
committerKumar Gala <galak@kernel.crashing.org>2008-07-25 14:22:02 -0500
commit0b21bb49187a863e3fc3c4f3356baf03578a9d1a (patch)
tree0fef18d223cb66ee539905228e4ac0dd58a3363f /arch/powerpc/kernel/process.c
parent5047887caf1806f31652210df27fb62a7c43f27d (diff)
powerpc: clean up the Book-E HW watchpoint support
* CONFIG_BOOKE is selected by CONFIG_44x so we dont need both * Fixed a few comments * Go back to only using DBCR0_IDM to determine if we are using debug resources. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index db2497ccc11..e030f3bd502 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -254,7 +254,7 @@ void do_dabr(struct pt_regs *regs, unsigned long address,
return;
/* Clear the DAC and struct entries. One shot trigger */
-#if (defined(CONFIG_44x) || defined(CONFIG_BOOKE))
+#if defined(CONFIG_BOOKE)
mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) & ~(DBSR_DAC1R | DBSR_DAC1W
| DBCR0_IDM));
#endif
@@ -286,7 +286,7 @@ int set_dabr(unsigned long dabr)
mtspr(SPRN_DABR, dabr);
#endif
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
mtspr(SPRN_DAC1, dabr);
#endif
@@ -373,7 +373,7 @@ struct task_struct *__switch_to(struct task_struct *prev,
if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr))
set_dabr(new->thread.dabr);
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
/* If new thread DAC (HW breakpoint) is the same then leave it */
if (new->thread.dabr)
set_dabr(new->thread.dabr);
@@ -568,7 +568,7 @@ void flush_thread(void)
current->thread.dabr = 0;
set_dabr(0);
-#if defined(CONFIG_44x) || defined(CONFIG_BOOKE)
+#if defined(CONFIG_BOOKE)
current->thread.dbcr0 &= ~(DBSR_DAC1R | DBSR_DAC1W);
#endif
}