dmaengine/dw_dmac: Don't use magic number for total number of channels

Total number of channels is passed in pdata->nr_channels variable, thus we must
not use magic number '7' for total number of channels.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 3a3d7ed..1577394 100644 (file)
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1432,7 +1432,7 @@ static int __init dw_probe(struct platform_device *pdev)
 
                /* 7 is highest priority & 0 is lowest. */
                if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
-                       dwc->priority = 7 - i;
+                       dwc->priority = pdata->nr_channels - i - 1;
                else
                        dwc->priority = i;