]> Pileus Git - ~andy/linux/blobdiff - drivers/dma/fsldma.c
Merge tag 'sound-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[~andy/linux] / drivers / dma / fsldma.c
index 7086a16a55f2ed488573e475e615600c80be767e..f157c6f76b32b8c98dce28eed6253db033acc258 100644 (file)
@@ -86,11 +86,6 @@ static void set_desc_cnt(struct fsldma_chan *chan,
        hw->count = CPU_TO_DMA(chan, count, 32);
 }
 
-static u32 get_desc_cnt(struct fsldma_chan *chan, struct fsl_desc_sw *desc)
-{
-       return DMA_TO_CPU(chan, desc->hw.count, 32);
-}
-
 static void set_desc_src(struct fsldma_chan *chan,
                         struct fsl_dma_ld_hw *hw, dma_addr_t src)
 {
@@ -101,16 +96,6 @@ static void set_desc_src(struct fsldma_chan *chan,
        hw->src_addr = CPU_TO_DMA(chan, snoop_bits | src, 64);
 }
 
-static dma_addr_t get_desc_src(struct fsldma_chan *chan,
-                              struct fsl_desc_sw *desc)
-{
-       u64 snoop_bits;
-
-       snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
-               ? ((u64)FSL_DMA_SATR_SREADTYPE_SNOOP_READ << 32) : 0;
-       return DMA_TO_CPU(chan, desc->hw.src_addr, 64) & ~snoop_bits;
-}
-
 static void set_desc_dst(struct fsldma_chan *chan,
                         struct fsl_dma_ld_hw *hw, dma_addr_t dst)
 {
@@ -121,16 +106,6 @@ static void set_desc_dst(struct fsldma_chan *chan,
        hw->dst_addr = CPU_TO_DMA(chan, snoop_bits | dst, 64);
 }
 
-static dma_addr_t get_desc_dst(struct fsldma_chan *chan,
-                              struct fsl_desc_sw *desc)
-{
-       u64 snoop_bits;
-
-       snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
-               ? ((u64)FSL_DMA_DATR_DWRITETYPE_SNOOP_WRITE << 32) : 0;
-       return DMA_TO_CPU(chan, desc->hw.dst_addr, 64) & ~snoop_bits;
-}
-
 static void set_desc_next(struct fsldma_chan *chan,
                          struct fsl_dma_ld_hw *hw, dma_addr_t next)
 {
@@ -408,7 +383,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
        struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
        struct fsl_desc_sw *child;
        unsigned long flags;
-       dma_cookie_t cookie;
+       dma_cookie_t cookie = -EINVAL;
 
        spin_lock_irqsave(&chan->desc_lock, flags);
 
@@ -854,10 +829,6 @@ static void fsldma_cleanup_descriptor(struct fsldma_chan *chan,
                                      struct fsl_desc_sw *desc)
 {
        struct dma_async_tx_descriptor *txd = &desc->async_tx;
-       struct device *dev = chan->common.device->dev;
-       dma_addr_t src = get_desc_src(chan, desc);
-       dma_addr_t dst = get_desc_dst(chan, desc);
-       u32 len = get_desc_cnt(chan, desc);
 
        /* Run the link descriptor callback function */
        if (txd->callback) {