X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fasync_tx%2Fasync_memset.c;h=f5ff3906b035d52d5c6b28949ca6470b46d60f88;hb=4fd9212cb9bad88ec7c8bf5313f53331905f957a;hp=66ef6351202ef9cf0f9ddb162524141b92e8b1cf;hpb=2d896c780db9cda5dc102bf7a0a2cd4394c1342e;p=linux-2.6-omap-h63xx.git diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c index 66ef6351202..f5ff3906b03 100644 --- a/crypto/async_tx/async_memset.c +++ b/crypto/async_tx/async_memset.c @@ -35,7 +35,7 @@ * @val: fill value * @offset: offset in pages to start transaction * @len: length in bytes - * @flags: ASYNC_TX_ASSUME_COHERENT, ASYNC_TX_ACK, ASYNC_TX_DEP_ACK + * @flags: ASYNC_TX_ACK, ASYNC_TX_DEP_ACK * @depend_tx: memset depends on the result of this transaction * @cb_fn: function to call when the memcpy completes * @cb_param: parameter to pass to the callback routine @@ -46,28 +46,28 @@ async_memset(struct page *dest, int val, unsigned int offset, struct dma_async_tx_descriptor *depend_tx, dma_async_tx_callback cb_fn, void *cb_param) { - struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMSET); + struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMSET, + &dest, 1, NULL, 0, len); struct dma_device *device = chan ? chan->device : NULL; - int int_en = cb_fn ? 1 : 0; - struct dma_async_tx_descriptor *tx = device ? - device->device_prep_dma_memset(chan, val, len, - int_en) : NULL; + struct dma_async_tx_descriptor *tx = NULL; - if (tx) { /* run the memset asynchronously */ - dma_addr_t dma_addr; - enum dma_data_direction dir; + if (device) { + dma_addr_t dma_dest; + unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0; - pr_debug("%s: (async) len: %zu\n", __FUNCTION__, len); - dir = (flags & ASYNC_TX_ASSUME_COHERENT) ? - DMA_NONE : DMA_FROM_DEVICE; + dma_dest = dma_map_page(device->dev, dest, offset, len, + DMA_FROM_DEVICE); - dma_addr = dma_map_page(device->dev, dest, offset, len, dir); - tx->tx_set_dest(dma_addr, tx, 0); + tx = device->device_prep_dma_memset(chan, dma_dest, val, len, + dma_prep_flags); + } + if (tx) { + pr_debug("%s: (async) len: %zu\n", __func__, len); async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param); } else { /* run the memset synchronously */ void *dest_buf; - pr_debug("%s: (sync) len: %zu\n", __FUNCTION__, len); + pr_debug("%s: (sync) len: %zu\n", __func__, len); dest_buf = (void *) (((char *) page_address(dest)) + offset); @@ -79,7 +79,7 @@ async_memset(struct page *dest, int val, unsigned int offset, BUG_ON(depend_tx->ack); if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR) panic("%s: DMA_ERROR waiting for depend_tx\n", - __FUNCTION__); + __func__); } memset(dest_buf, val, len);