Skip to content

Commit

Permalink
xtensa: move init_mmu declaration to mmu_context.h
Browse files Browse the repository at this point in the history
Secondary CPUs need this declaration to initialize their MMUs.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
  • Loading branch information
Max Filippov authored and Chris Zankel committed Jan 14, 2014
1 parent 5997075 commit c8f3a7d
Show file tree
Hide file tree
Showing 2 changed files with 7 additions and 6 deletions.
6 changes: 6 additions & 0 deletions arch/xtensa/include/asm/mmu_context.h
Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down
7 changes: 1 addition & 6 deletions arch/xtensa/kernel/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@
#endif

#include <asm/bootparam.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/timex.h>
Expand Down Expand Up @@ -85,12 +86,6 @@ 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);
Expand Down

0 comments on commit c8f3a7d

Please sign in to comment.