Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplus

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

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 9d31d5e..8bcb15f 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -690,8 +690,12 @@ int dma_async_device_register(struct dma_device *device)
                !device->device_prep_dma_memset);
        BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
                !device->device_prep_dma_interrupt);
+       BUG_ON(dma_has_cap(DMA_SG, device->cap_mask) &&
+               !device->device_prep_dma_sg);
        BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) &&
                !device->device_prep_slave_sg);
+       BUG_ON(dma_has_cap(DMA_CYCLIC, device->cap_mask) &&
+               !device->device_prep_dma_cyclic);
        BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) &&
                !device->device_control);
 
@@ -702,7 +706,7 @@ int dma_async_device_register(struct dma_device *device)
        BUG_ON(!device->dev);
 
        /* note: this only matters in the
-        * CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH=y case
+        * CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=n case
         */
        if (device_has_all_tx_types(device))
                dma_cap_set(DMA_ASYNC_TX, device->cap_mask);
@@ -976,7 +980,7 @@ void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
        struct dma_chan *chan)
 {
        tx->chan = chan;
-       #ifndef CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH
+       #ifdef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH
        spin_lock_init(&tx->lock);
        #endif
 }