sh: fix Transfer Size calculation in both DMA drivers

[safe/jmp/linux-2.6] / arch / sh / drivers / dma / dma-sh.c

diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 37fb5b8..31830cb 100644 (file)
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -52,11 +52,14 @@ static inline unsigned int get_dmte_irq(unsigned int chan)
  *
  * iterations to complete the transfer.
  */
+static unsigned int ts_shift[] = TS_SHIFT;
 static inline unsigned int calc_xmit_shift(struct dma_channel *chan)
 {
        u32 chcr = ctrl_inl(dma_base_addr[chan->chan] + CHCR);
+       int cnt = ((chcr & CHCR_TS_LOW_MASK) >> CHCR_TS_LOW_SHIFT) |
+               ((chcr & CHCR_TS_HIGH_MASK) >> CHCR_TS_HIGH_SHIFT);
 
-       return ts_shift[(chcr & CHCR_TS_MASK)>>CHCR_TS_SHIFT];
+       return ts_shift[cnt];
 }
 
 /*