[POWERPC] pasemi: Add flag management functions to dma_lib

Add functions to manage the channel syncronization flags to dma_lib

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-powerpc/pasemi_dma.h b/include/asm-powerpc/pasemi_dma.h
index 35577b6dec41..ffd413d7dfb0 100644
--- a/include/asm-powerpc/pasemi_dma.h
+++ b/include/asm-powerpc/pasemi_dma.h
@@ -466,6 +466,12 @@ extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size,
 extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
                                 dma_addr_t *handle);
 
+/* Routines to allocate flags (events) for channel syncronization */
+extern int  pasemi_dma_alloc_flag(void);
+extern void pasemi_dma_free_flag(int flag);
+extern void pasemi_dma_set_flag(int flag);
+extern void pasemi_dma_clear_flag(int flag);
+
 /* Initialize the library, must be called before any other functions */
 extern int pasemi_dma_init(void);