[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>
diff --git a/include/asm-powerpc/pasemi_dma.h b/include/asm-powerpc/pasemi_dma.h
index 35577b6..ffd413d 100644
--- a/include/asm-powerpc/pasemi_dma.h
+++ b/include/asm-powerpc/pasemi_dma.h
@@ -466,6 +466,12 @@
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);