ARM: omap: clean up DMA register accesses
We can do much better with this by using a structure to describe each
register, rather than code.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 0bb7de7..4132872 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -271,6 +271,19 @@
struct omap_dma_lch *chan;
};
+enum {
+ OMAP_DMA_REG_NONE,
+ OMAP_DMA_REG_16BIT,
+ OMAP_DMA_REG_2X16BIT,
+ OMAP_DMA_REG_32BIT,
+};
+
+struct omap_dma_reg {
+ u16 offset;
+ u8 stride;
+ u8 type;
+};
+
/* System DMA platform data structure */
struct omap_system_dma_plat_info {
struct omap_dma_dev_attr *dma_attr;