dmaengine: delete redundant chan_id and chancnt initialization in dma drivers

dma_async_device_register will re-init chan_id and chancnt,
so whatever chan_id and chancnt are set in drivers, they will
be re-written by dma_async_device_register.

Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Viresh Kumar <viresh.kumar@st.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Piotr Ziecik <kosmo@semihalf.com>
Cc: Yong Wang <yong.y.wang@intel.com>
Cc: Jaswinder Singh <jassi.brar@samsung.com>
Cc: Pelagicore AB <info@pelagicore.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 4d180ca9a1d8..9bfd6d360718 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1407,12 +1407,11 @@ static int __init dw_probe(struct platform_device *pdev)
         dw->all_chan_mask = (1 << pdata->nr_channels) - 1;
 
         INIT_LIST_HEAD(&dw->dma.channels);
-        for (i = 0; i < pdata->nr_channels; i++, dw->dma.chancnt++) {
+        for (i = 0; i < pdata->nr_channels; i++) {
                 struct dw_dma_chan      *dwc = &dw->chan[i];
 
                 dwc->chan.device = &dw->dma;
                 dwc->chan.cookie = dwc->completed = 1;
-                dwc->chan.chan_id = i;
                 if (pdata->chan_allocation_order == CHAN_ALLOCATION_ASCENDING)
                         list_add_tail(&dwc->chan.device_node,
                                         &dw->dma.channels);
@@ -1468,7 +1467,7 @@ static int __init dw_probe(struct platform_device *pdev)
         dma_writel(dw, CFG, DW_CFG_DMA_EN);
 
         printk(KERN_INFO "%s: DesignWare DMA Controller, %d channels\n",
-                        dev_name(&pdev->dev), dw->dma.chancnt);
+                        dev_name(&pdev->dev), pdata->nr_channels);
 
         dma_async_device_register(&dw->dma);