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-rw-r--r--drivers/dma/bcm2835-dma.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 6204cc32d09c..847f84a41a69 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -812,7 +812,7 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
812 * c->desc is NULL and exit.) 812 * c->desc is NULL and exit.)
813 */ 813 */
814 if (c->desc) { 814 if (c->desc) {
815 bcm2835_dma_desc_free(&c->desc->vd); 815 vchan_terminate_vdesc(&c->desc->vd);
816 c->desc = NULL; 816 c->desc = NULL;
817 bcm2835_dma_abort(c->chan_base); 817 bcm2835_dma_abort(c->chan_base);
818 818
@@ -836,6 +836,13 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
836 return 0; 836 return 0;
837} 837}
838 838
839static void bcm2835_dma_synchronize(struct dma_chan *chan)
840{
841 struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
842
843 vchan_synchronize(&c->vc);
844}
845
839static int bcm2835_dma_chan_init(struct bcm2835_dmadev *d, int chan_id, 846static int bcm2835_dma_chan_init(struct bcm2835_dmadev *d, int chan_id,
840 int irq, unsigned int irq_flags) 847 int irq, unsigned int irq_flags)
841{ 848{
@@ -942,6 +949,7 @@ static int bcm2835_dma_probe(struct platform_device *pdev)
942 od->ddev.device_prep_dma_memcpy = bcm2835_dma_prep_dma_memcpy; 949 od->ddev.device_prep_dma_memcpy = bcm2835_dma_prep_dma_memcpy;
943 od->ddev.device_config = bcm2835_dma_slave_config; 950 od->ddev.device_config = bcm2835_dma_slave_config;
944 od->ddev.device_terminate_all = bcm2835_dma_terminate_all; 951 od->ddev.device_terminate_all = bcm2835_dma_terminate_all;
952 od->ddev.device_synchronize = bcm2835_dma_synchronize;
945 od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); 953 od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
946 od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); 954 od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
947 od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV) | 955 od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV) |