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path: root/drivers/dma/sh/rcar-hpbdma.c
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Diffstat (limited to 'drivers/dma/sh/rcar-hpbdma.c')
-rw-r--r--drivers/dma/sh/rcar-hpbdma.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index 45a520281ce1..ebad84591a6e 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -93,6 +93,7 @@ struct hpb_dmae_chan {
93 void __iomem *base; 93 void __iomem *base;
94 const struct hpb_dmae_slave_config *cfg; 94 const struct hpb_dmae_slave_config *cfg;
95 char dev_id[16]; /* unique name per DMAC of channel */ 95 char dev_id[16]; /* unique name per DMAC of channel */
96 dma_addr_t slave_addr;
96}; 97};
97 98
98struct hpb_dmae_device { 99struct hpb_dmae_device {
@@ -432,7 +433,6 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan,
432 hpb_chan->xfer_mode = XFER_DOUBLE; 433 hpb_chan->xfer_mode = XFER_DOUBLE;
433 } else { 434 } else {
434 dev_err(hpb_chan->shdma_chan.dev, "DCR setting error"); 435 dev_err(hpb_chan->shdma_chan.dev, "DCR setting error");
435 shdma_free_irq(&hpb_chan->shdma_chan);
436 return -EINVAL; 436 return -EINVAL;
437 } 437 }
438 438
@@ -446,7 +446,8 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan,
446 return 0; 446 return 0;
447} 447}
448 448
449static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try) 449static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id,
450 dma_addr_t slave_addr, bool try)
450{ 451{
451 struct hpb_dmae_chan *chan = to_chan(schan); 452 struct hpb_dmae_chan *chan = to_chan(schan);
452 const struct hpb_dmae_slave_config *sc = 453 const struct hpb_dmae_slave_config *sc =
@@ -457,6 +458,7 @@ static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try)
457 if (try) 458 if (try)
458 return 0; 459 return 0;
459 chan->cfg = sc; 460 chan->cfg = sc;
461 chan->slave_addr = slave_addr ? : sc->addr;
460 return hpb_dmae_alloc_chan_resources(chan, sc); 462 return hpb_dmae_alloc_chan_resources(chan, sc);
461} 463}
462 464
@@ -468,7 +470,7 @@ static dma_addr_t hpb_dmae_slave_addr(struct shdma_chan *schan)
468{ 470{
469 struct hpb_dmae_chan *chan = to_chan(schan); 471 struct hpb_dmae_chan *chan = to_chan(schan);
470 472
471 return chan->cfg->addr; 473 return chan->slave_addr;
472} 474}
473 475
474static struct shdma_desc *hpb_dmae_embedded_desc(void *buf, int i) 476static struct shdma_desc *hpb_dmae_embedded_desc(void *buf, int i)
@@ -614,7 +616,6 @@ static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev)
614 shdma_for_each_chan(schan, &hpbdev->shdma_dev, i) { 616 shdma_for_each_chan(schan, &hpbdev->shdma_dev, i) {
615 BUG_ON(!schan); 617 BUG_ON(!schan);
616 618
617 shdma_free_irq(schan);
618 shdma_chan_remove(schan); 619 shdma_chan_remove(schan);
619 } 620 }
620 dma_dev->chancnt = 0; 621 dma_dev->chancnt = 0;