dmaengine: shdma: add chcr_write/read function
CHCR register position is not same in all DMAC.
This patch adds new "chcr_offset" to decide it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h
index b08cd4e..41fe4c2 100644
--- a/include/linux/sh_dma.h
+++ b/include/linux/sh_dma.h
@@ -62,6 +62,7 @@
const unsigned int *ts_shift;
int ts_shift_num;
u16 dmaor_init;
+ unsigned int chcr_offset;
};
/* DMA register */