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-rw-r--r--arch/blackfin/kernel/bfin_ksyms.c1
-rw-r--r--arch/blackfin/lib/ins.S19
-rw-r--r--include/asm-blackfin/io.h1
3 files changed, 21 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_ksyms.c b/arch/blackfin/kernel/bfin_ksyms.c
index 5dad9d38095..b3fa7d8fde6 100644
--- a/arch/blackfin/kernel/bfin_ksyms.c
+++ b/arch/blackfin/kernel/bfin_ksyms.c
@@ -100,6 +100,7 @@ EXPORT_SYMBOL(outsw);
EXPORT_SYMBOL(insw);
EXPORT_SYMBOL(outsl);
EXPORT_SYMBOL(insl);
+EXPORT_SYMBOL(insl_16);
EXPORT_SYMBOL(irq_flags);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(blackfin_dcache_invalidate_range);
diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S
index a17cc77ac36..df7b8833a0c 100644
--- a/arch/blackfin/lib/ins.S
+++ b/arch/blackfin/lib/ins.S
@@ -77,3 +77,22 @@ ENTRY(_insb)
sti R3;
RTS;
ENDPROC(_insb)
+
+
+
+ENTRY(_insl_16)
+ P0 = R0; /* P0 = port */
+ cli R3;
+ P1 = R1; /* P1 = address */
+ P2 = R2; /* P2 = count */
+ SSYNC;
+ LSETUP( .Llong16_loop_s, .Llong16_loop_e) LC0 = P2;
+.Llong16_loop_s: R0 = [P0];
+ W[P1++] = R0;
+ R0 = R0 >> 16;
+ W[P1++] = R0;
+ NOP;
+.Llong16_loop_e: NOP;
+ sti R3;
+ RTS;
+ENDPROC(_insl_16)
diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h
index d1d2e6be3b5..1601d62f39a 100644
--- a/include/asm-blackfin/io.h
+++ b/include/asm-blackfin/io.h
@@ -122,6 +122,7 @@ extern void outsl(unsigned long port, const void *addr, unsigned long count);
extern void insb(unsigned long port, void *addr, unsigned long count);
extern void insw(unsigned long port, void *addr, unsigned long count);
extern void insl(unsigned long port, void *addr, unsigned long count);
+extern void insl_16(unsigned long port, void *addr, unsigned long count);
extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);