Author: blogic Date: 2014-11-19 10:20:02 +0100 (Wed, 19 Nov 2014) New Revision: 43304
Modified: trunk/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch Log: ralink: make the dmaengine driver compile under 3.14 Signed-off-by: John Crispin <[email protected]> Modified: trunk/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch =================================================================== --- trunk/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch 2014-11-19 09:19:57 UTC (rev 43303) +++ trunk/target/linux/ramips/patches-3.14/0054-DMA-ralink-add-rt2880-dma-engine.patch 2014-11-19 09:20:02 UTC (rev 43304) @@ -35,41 +35,6 @@ 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 @@ _______________________________________________ openwrt-commits mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-commits
