dmaengine: Add dma_client parameter to device_alloc_chan_resources

[linux-2.6-omap-h63xx.git] / drivers / dma / ioat_dma.c

diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 4017d9e7acd2a2b68020e2584c71dc654dd20cae..90e5b0a28cbf7bd01b078bc994c095778e75a4cc 100644 (file)
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -212,14 +212,14 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx)
        u32 copy;
        size_t len;
        dma_addr_t src, dst;
-       int orig_ack;
+       unsigned long orig_flags;
        unsigned int desc_count = 0;
 
        /* src and dest and len are stored in the initial descriptor */
        len = first->len;
        src = first->src;
        dst = first->dst;
-       orig_ack = first->async_tx.ack;
+       orig_flags = first->async_tx.flags;
        new = first;
 
        spin_lock_bh(&ioat_chan->desc_lock);
@@ -228,7 +228,7 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx)
        do {
                copy = min_t(size_t, len, ioat_chan->xfercap);
 
-               new->async_tx.ack = 1;
+               async_tx_ack(&new->async_tx);
 
                hw = new->hw;
                hw->size = copy;
@@ -264,7 +264,7 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx)
        }
 
        new->tx_cnt = desc_count;
-       new->async_tx.ack = orig_ack; /* client is in control of this ack */
+       new->async_tx.flags = orig_flags; /* client is in control of this ack */
 
        /* store the original values for use in later cleanup */
        if (new != first) {
@@ -304,14 +304,14 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx)
        u32 copy;
        size_t len;
        dma_addr_t src, dst;
-       int orig_ack;
+       unsigned long orig_flags;
        unsigned int desc_count = 0;
 
        /* src and dest and len are stored in the initial descriptor */
        len = first->len;
        src = first->src;
        dst = first->dst;
-       orig_ack = first->async_tx.ack;
+       orig_flags = first->async_tx.flags;
        new = first;
 
        /*
@@ -321,7 +321,7 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx)
        do {
                copy = min_t(size_t, len, ioat_chan->xfercap);
 
-               new->async_tx.ack = 1;
+               async_tx_ack(&new->async_tx);
 
                hw = new->hw;
                hw->size = copy;
@@ -349,7 +349,7 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx)
        }
 
        new->tx_cnt = desc_count;
-       new->async_tx.ack = orig_ack; /* client is in control of this ack */
+       new->async_tx.flags = orig_flags; /* client is in control of this ack */
 
        /* store the original values for use in later cleanup */
        if (new != first) {
@@ -452,7 +452,8 @@ static void ioat2_dma_massage_chan_desc(struct ioat_dma_chan *ioat_chan)
  * ioat_dma_alloc_chan_resources - returns the number of allocated descriptors
  * @chan: the channel to be filled out
  */
-static int ioat_dma_alloc_chan_resources(struct dma_chan *chan)
+static int ioat_dma_alloc_chan_resources(struct dma_chan *chan,
+                                        struct dma_client *client)
 {
        struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan);
        struct ioat_desc_sw *desc;
@@ -714,7 +715,7 @@ static struct dma_async_tx_descriptor *ioat1_dma_prep_memcpy(
                new->len = len;
                new->dst = dma_dest;
                new->src = dma_src;
-               new->async_tx.ack = 0;
+               new->async_tx.flags = flags;
                return &new->async_tx;
        } else
                return NULL;
@@ -742,7 +743,7 @@ static struct dma_async_tx_descriptor *ioat2_dma_prep_memcpy(
                new->len = len;
                new->dst = dma_dest;
                new->src = dma_src;
-               new->async_tx.ack = 0;
+               new->async_tx.flags = flags;
                return &new->async_tx;
        } else
                return NULL;
@@ -842,7 +843,7 @@ static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *ioat_chan)
                                 * a completed entry, but not the last, so clean
                                 * up if the client is done with the descriptor
                                 */
-                               if (desc->async_tx.ack) {
+                               if (async_tx_test_ack(&desc->async_tx)) {
                                        list_del(&desc->node);
                                        list_add_tail(&desc->node,
                                                      &ioat_chan->free_desc);
@@ -924,17 +925,6 @@ static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *ioat_chan)
        spin_unlock_bh(&ioat_chan->cleanup_lock);
 }
 
-static void ioat_dma_dependency_added(struct dma_chan *chan)
-{
-       struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan);
-       spin_lock_bh(&ioat_chan->desc_lock);
-       if (ioat_chan->pending == 0) {
-               spin_unlock_bh(&ioat_chan->desc_lock);
-               ioat_dma_memcpy_cleanup(ioat_chan);
-       } else
-               spin_unlock_bh(&ioat_chan->desc_lock);
-}
-
 /**
  * ioat_dma_is_complete - poll the status of a IOAT DMA transaction
  * @chan: IOAT DMA channel handle
@@ -990,7 +980,7 @@ static void ioat_dma_start_null_desc(struct ioat_dma_chan *ioat_chan)
        desc->hw->size = 0;
        desc->hw->src_addr = 0;
        desc->hw->dst_addr = 0;
-       desc->async_tx.ack = 1;
+       async_tx_ack(&desc->async_tx);
        switch (ioat_chan->device->version) {
        case IOAT_VER_1_2:
                desc->hw->next = 0;
@@ -1060,7 +1050,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
        dma_chan = container_of(device->common.channels.next,
                                struct dma_chan,
                                device_node);
-       if (device->common.device_alloc_chan_resources(dma_chan) < 1) {
+       if (device->common.device_alloc_chan_resources(dma_chan, NULL) < 1) {
                dev_err(&device->pdev->dev,
                        "selftest cannot allocate chan resource\n");
                err = -ENODEV;
@@ -1316,7 +1306,6 @@ struct ioatdma_device *ioat_dma_probe(struct pci_dev *pdev,
 
        dma_cap_set(DMA_MEMCPY, device->common.cap_mask);
        device->common.device_is_tx_complete = ioat_dma_is_complete;
-       device->common.device_dependency_added = ioat_dma_dependency_added;
        switch (device->version) {
        case IOAT_VER_1_2:
                device->common.device_prep_dma_memcpy = ioat1_dma_prep_memcpy;