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path: root/drivers/dma/sh/shdma-base.c
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Diffstat (limited to 'drivers/dma/sh/shdma-base.c')
-rw-r--r--drivers/dma/sh/shdma-base.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index ff060d0..f75ebfa 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -76,7 +76,7 @@ static dma_cookie_t shdma_tx_submit(struct dma_async_tx_descriptor *tx)
container_of(tx, struct shdma_desc, async_tx),
*last = desc;
struct shdma_chan *schan = to_shdma_chan(tx->chan);
- struct shdma_slave *slave = tx->chan->private;
+ struct shdma_slave *slave = schan->slave;
dma_async_tx_callback callback = tx->callback;
dma_cookie_t cookie;
bool power_up;
@@ -208,6 +208,7 @@ static int shdma_alloc_chan_resources(struct dma_chan *chan)
goto edescalloc;
}
schan->desc_num = NR_DESCS_PER_CHANNEL;
+ schan->slave = slave;
for (i = 0; i < NR_DESCS_PER_CHANNEL; i++) {
desc = ops->embedded_desc(schan->desc, i);
@@ -365,9 +366,9 @@ static void shdma_free_chan_resources(struct dma_chan *chan)
if (!list_empty(&schan->ld_queue))
shdma_chan_ld_cleanup(schan, true);
- if (chan->private) {
+ if (schan->slave) {
/* The caller is holding dma_list_mutex */
- struct shdma_slave *slave = chan->private;
+ struct shdma_slave *slave = schan->slave;
clear_bit(slave->slave_id, shdma_slave_used);
chan->private = NULL;
}
@@ -558,7 +559,7 @@ static struct dma_async_tx_descriptor *shdma_prep_slave_sg(
struct shdma_chan *schan = to_shdma_chan(chan);
struct shdma_dev *sdev = to_shdma_dev(schan->dma_chan.device);
const struct shdma_ops *ops = sdev->ops;
- struct shdma_slave *slave = chan->private;
+ struct shdma_slave *slave = schan->slave;
dma_addr_t slave_addr;
if (!chan)
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