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-rw-r--r--target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch35
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch b/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch
index 39a3e5d6fd..817a75fd72 100644
--- a/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch
+++ b/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch
@@ -35,41 +35,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
obj-$(CONFIG_K3_DMA) += k3dma.o
obj-$(CONFIG_MOXART_DMA) += moxart-dma.o
+obj-$(CONFIG_DMA_RALINK) += ralink-gdma.o
---- a/drivers/dma/dmaengine.c
-+++ b/drivers/dma/dmaengine.c
-@@ -564,6 +564,32 @@ struct dma_chan *dma_get_any_slave_chann
- EXPORT_SYMBOL_GPL(dma_get_any_slave_channel);
-
- /**
-+ * dma_request_slave_channel - try to get specific channel exclusively
-+ * @chan: target channel
-+ */
-+struct dma_chan *dma_get_slave_channel(struct dma_chan *chan)
-+{
-+ int err = -EBUSY;
-+
-+ /* lock against __dma_request_channel */
-+ mutex_lock(&dma_list_mutex);
-+
-+ if (chan->client_count == 0) {
-+ err = dma_chan_get(chan);
-+ if (err)
-+ pr_debug("%s: failed to get %s: (%d)\n",
-+ __func__, dma_chan_name(chan), err);
-+ } else
-+ chan = NULL;
-+
-+ mutex_unlock(&dma_list_mutex);
-+
-+ return chan;
-+}
-+EXPORT_SYMBOL_GPL(dma_get_slave_channel);
-+
-+
-+/**
- * __dma_request_channel - try to allocate an exclusive channel
- * @mask: capabilities that the channel must satisfy
- * @fn: optional callback to disposition available channels
--- /dev/null
+++ b/drivers/dma/ralink-gdma.c
@@ -0,0 +1,577 @@