summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm/include/asm/proc-fns.h4
-rw-r--r--arch/arm/kernel/bugs.c4
-rw-r--r--arch/arm/mm/proc-macros.S3
3 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index f2e1af45bd6f..e25f4392e1b2 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -37,6 +37,10 @@ extern struct processor {
*/
void (*_proc_init)(void);
/*
+ * Check for processor bugs
+ */
+ void (*check_bugs)(void);
+ /*
* Disable any processor specifics
*/
void (*_proc_fin)(void);
diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c
index 16e7ba2a9cc4..7be511310191 100644
--- a/arch/arm/kernel/bugs.c
+++ b/arch/arm/kernel/bugs.c
@@ -5,6 +5,10 @@
void check_other_bugs(void)
{
+#ifdef MULTI_CPU
+ if (processor.check_bugs)
+ processor.check_bugs();
+#endif
}
void __init check_bugs(void)
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index f10e31d0730a..81d0efb055c6 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -273,13 +273,14 @@
mcr p15, 0, ip, c7, c10, 4 @ data write barrier
.endm
-.macro define_processor_functions name:req, dabort:req, pabort:req, nommu=0, suspend=0
+.macro define_processor_functions name:req, dabort:req, pabort:req, nommu=0, suspend=0, bugs=0
.type \name\()_processor_functions, #object
.align 2
ENTRY(\name\()_processor_functions)
.word \dabort
.word \pabort
.word cpu_\name\()_proc_init
+ .word \bugs
.word cpu_\name\()_proc_fin
.word cpu_\name\()_reset
.word cpu_\name\()_do_idle