PCI: simplify quirk debug output

[linux-2.6] / drivers / dma / dmaengine.c

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index bcf52df303390dbf775ea91cd9ab9e714f3f8178..d6dc70fd75270c2522823f798235c8ba703f1ce7 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -357,12 +357,11 @@ int dma_async_device_register(struct dma_device *device)
                !device->device_prep_dma_zero_sum);
        BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
                !device->device_prep_dma_memset);
-       BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) &&
+       BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
                !device->device_prep_dma_interrupt);
 
        BUG_ON(!device->device_alloc_chan_resources);
        BUG_ON(!device->device_free_chan_resources);
-       BUG_ON(!device->device_dependency_added);
        BUG_ON(!device->device_is_tx_complete);
        BUG_ON(!device->device_issue_pending);
        BUG_ON(!device->dev);
@@ -473,20 +472,22 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest,
 {
        struct dma_device *dev = chan->device;
        struct dma_async_tx_descriptor *tx;
-       dma_addr_t addr;
+       dma_addr_t dma_dest, dma_src;
        dma_cookie_t cookie;
        int cpu;
 
-       tx = dev->device_prep_dma_memcpy(chan, len, 0);
-       if (!tx)
+       dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE);
+       dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
+
+       if (!tx) {
+               dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
+               dma_unmap_single(dev->dev, dma_dest, len, DMA_FROM_DEVICE);
                return -ENOMEM;
+       }
 
-       tx->ack = 1;
        tx->callback = NULL;
-       addr = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE);
-       tx->tx_set_src(addr, tx, 0);
-       addr = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE);
-       tx->tx_set_dest(addr, tx, 0);
        cookie = tx->tx_submit(tx);
 
        cpu = get_cpu();
@@ -517,20 +518,22 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page,
 {
        struct dma_device *dev = chan->device;
        struct dma_async_tx_descriptor *tx;
-       dma_addr_t addr;
+       dma_addr_t dma_dest, dma_src;
        dma_cookie_t cookie;
        int cpu;
 
-       tx = dev->device_prep_dma_memcpy(chan, len, 0);
-       if (!tx)
+       dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE);
+       dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
+
+       if (!tx) {
+               dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
+               dma_unmap_page(dev->dev, dma_dest, len, DMA_FROM_DEVICE);
                return -ENOMEM;
+       }
 
-       tx->ack = 1;
        tx->callback = NULL;
-       addr = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE);
-       tx->tx_set_src(addr, tx, 0);
-       addr = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE);
-       tx->tx_set_dest(addr, tx, 0);
        cookie = tx->tx_submit(tx);
 
        cpu = get_cpu();
@@ -563,20 +566,23 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg,
 {
        struct dma_device *dev = chan->device;
        struct dma_async_tx_descriptor *tx;
-       dma_addr_t addr;
+       dma_addr_t dma_dest, dma_src;
        dma_cookie_t cookie;
        int cpu;
 
-       tx = dev->device_prep_dma_memcpy(chan, len, 0);
-       if (!tx)
+       dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE);
+       dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len,
+                               DMA_FROM_DEVICE);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
+
+       if (!tx) {
+               dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE);
+               dma_unmap_page(dev->dev, dma_dest, len, DMA_FROM_DEVICE);
                return -ENOMEM;
+       }
 
-       tx->ack = 1;
        tx->callback = NULL;
-       addr = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE);
-       tx->tx_set_src(addr, tx, 0);
-       addr = dma_map_page(dev->dev, dest_pg, dest_off, len, DMA_FROM_DEVICE);
-       tx->tx_set_dest(addr, tx, 0);
        cookie = tx->tx_submit(tx);
 
        cpu = get_cpu();
@@ -593,8 +599,6 @@ void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
 {
        tx->chan = chan;
        spin_lock_init(&tx->lock);
-       INIT_LIST_HEAD(&tx->depend_node);
-       INIT_LIST_HEAD(&tx->depend_list);
 }
 EXPORT_SYMBOL(dma_async_tx_descriptor_init);