Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception context

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 7ba70de66f2b..e1f9cbd00a09 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -92,6 +92,8 @@ extern int sram_free(const void*);
 extern void *sram_alloc_with_lsl(size_t, unsigned long);
 extern int sram_free_with_lsl(const void*);
 
+extern void *isram_memcpy(void *dest, const void *src, size_t n);
+
 extern const char bfin_board_name[];
 
 extern unsigned long bfin_sic_iwr[];