Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / drivers / dma / at_hdmac.c

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 278cf5b..bd5250e 100644 (file)
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -760,13 +760,18 @@ err_desc_get:
        return NULL;
 }
 
-static void atc_terminate_all(struct dma_chan *chan)
+static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+                      unsigned long arg)
 {
        struct at_dma_chan      *atchan = to_at_dma_chan(chan);
        struct at_dma           *atdma = to_at_dma(chan->device);
        struct at_desc          *desc, *_desc;
        LIST_HEAD(list);
 
+       /* Only supports DMA_TERMINATE_ALL */
+       if (cmd != DMA_TERMINATE_ALL)
+               return -ENXIO;
+
        /*
         * This is only called when something went wrong elsewhere, so
         * we don't really care about the data. Just disable the
@@ -790,32 +795,30 @@ static void atc_terminate_all(struct dma_chan *chan)
        /* Flush all pending and queued descriptors */
        list_for_each_entry_safe(desc, _desc, &list, desc_node)
                atc_chain_complete(atchan, desc);
+
+       return 0;
 }
 
 /**
- * atc_is_tx_complete - poll for transaction completion
+ * atc_tx_status - poll for transaction completion
  * @chan: DMA channel
  * @cookie: transaction identifier to check status of
- * @done: if not %NULL, updated with last completed transaction
- * @used: if not %NULL, updated with last used transaction
+ * @txstate: if not %NULL updated with transaction state
  *
- * If @done and @used are passed in, upon return they reflect the driver
+ * If @txstate is passed in, upon return it reflect the driver
  * internal state and can be used with dma_async_is_complete() to check
  * the status of multiple cookies without re-checking hardware state.
  */
 static enum dma_status
-atc_is_tx_complete(struct dma_chan *chan,
+atc_tx_status(struct dma_chan *chan,
                dma_cookie_t cookie,
-               dma_cookie_t *done, dma_cookie_t *used)
+               struct dma_tx_state *txstate)
 {
        struct at_dma_chan      *atchan = to_at_dma_chan(chan);
        dma_cookie_t            last_used;
        dma_cookie_t            last_complete;
        enum dma_status         ret;
 
-       dev_vdbg(chan2dev(chan), "is_tx_complete: %d (d%d, u%d)\n",
-                       cookie, done ? *done : 0, used ? *used : 0);
-
        spin_lock_bh(&atchan->lock);
 
        last_complete = atchan->completed_cookie;
@@ -833,10 +836,10 @@ atc_is_tx_complete(struct dma_chan *chan,
 
        spin_unlock_bh(&atchan->lock);
 
-       if (done)
-               *done = last_complete;
-       if (used)
-               *used = last_used;
+       dma_set_tx_state(txstate, last_complete, last_used, 0);
+       dev_vdbg(chan2dev(chan), "tx_status: %d (d%d, u%d)\n",
+                cookie, last_complete ? last_complete : 0,
+                last_used ? last_used : 0);
 
        return ret;
 }
@@ -1082,7 +1085,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
        /* set base routines */
        atdma->dma_common.device_alloc_chan_resources = atc_alloc_chan_resources;
        atdma->dma_common.device_free_chan_resources = atc_free_chan_resources;
-       atdma->dma_common.device_is_tx_complete = atc_is_tx_complete;
+       atdma->dma_common.device_tx_status = atc_tx_status;
        atdma->dma_common.device_issue_pending = atc_issue_pending;
        atdma->dma_common.dev = &pdev->dev;
 
@@ -1092,7 +1095,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
 
        if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) {
                atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg;
-               atdma->dma_common.device_terminate_all = atc_terminate_all;
+               atdma->dma_common.device_control = atc_control;
        }
 
        dma_writel(atdma, EN, AT_DMA_ENABLE);