Secondary CPUs need this declaration to initialize their MMUs.
Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
---
arch/xtensa/include/asm/mmu_context.h | 6 ++++++
arch/xtensa/kernel/setup.c | 7 +------
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/arch/xtensa/include/asm/mmu_context.h b/arch/xtensa/include/asm/mmu_context.h
index d43525a..86292c2 100644
--- a/arch/xtensa/include/asm/mmu_context.h
+++ b/arch/xtensa/include/asm/mmu_context.h
@@ -49,6 +49,12 @@ extern unsigned long asid_cache;
#define ASID_MASK ((1 << XCHAL_MMU_ASID_BITS) - 1)
#define ASID_INSERT(x) (0x03020001 | (((x) & ASID_MASK) << 8))
+#ifdef CONFIG_MMU
+void init_mmu(void);
+#else
+static inline void init_mmu(void) { }
+#endif
+
static inline void set_rasid_register (unsigned long val)
{
__asm__ __volatile__ (" wsr %0, rasid\n\t"
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 00904b6..84b26ee 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -40,6 +40,7 @@
#endif
#include <asm/bootparam.h>
+#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/timex.h>
@@ -88,12 +89,6 @@ static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;
sysmem_info_t __initdata sysmem;
-#ifdef CONFIG_MMU
-extern void init_mmu(void);
-#else
-static inline void init_mmu(void) { }
-#endif
-
extern int mem_reserve(unsigned long, unsigned long, int);
extern void bootmem_init(void);
extern void zones_init(void);
--
1.8.1.4
--
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