dmaengine: xilinx_dma: Remove residue from channel data

There is no use of storing channel data residue field. So clean it up.
In tx_status simply pass calculated residue to dma_set_residue.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Link: https://lore.kernel.org/r/1571150904-3988-4-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 87132bd8cd36ca43d59407b2329b00b2cdb2c1eb..41d536c32957d9ce018bbecbf11da91b7a737306 100644 (file)
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -336,7 +336,6 @@ struct xilinx_dma_tx_descriptor {
  * @desc_pendingcount: Descriptor pending count
  * @ext_addr: Indicates 64 bit addressing is supported by dma channel
  * @desc_submitcount: Descriptor h/w submitted count
- * @residue: Residue for AXI DMA
  * @seg_v: Statically allocated segments base
  * @seg_p: Physical allocated segments base
  * @cyclic_seg_v: Statically allocated segment base for cyclic transfers
@@ -373,7 +372,6 @@ struct xilinx_dma_chan {
        u32 desc_pendingcount;
        bool ext_addr;
        u32 desc_submitcount;
-       u32 residue;
        struct xilinx_axidma_tx_segment *seg_v;
        dma_addr_t seg_p;
        struct xilinx_axidma_tx_segment *cyclic_seg_v;
@@ -1019,8 +1017,7 @@ static enum dma_status xilinx_dma_tx_status(struct dma_chan *dchan,
                }
                spin_unlock_irqrestore(&chan->lock, flags);
 
-               chan->residue = residue;
-               dma_set_residue(txstate, chan->residue);
+               dma_set_residue(txstate, residue);
        }
 
        return ret;