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path: root/drivers/dma/sf-pdma/sf-pdma.c
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Diffstat (limited to 'drivers/dma/sf-pdma/sf-pdma.c')
-rw-r--r--drivers/dma/sf-pdma/sf-pdma.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c
index 6e530dca6d9e..528deb5d9f31 100644
--- a/drivers/dma/sf-pdma/sf-pdma.c
+++ b/drivers/dma/sf-pdma/sf-pdma.c
@@ -281,10 +281,9 @@ static void sf_pdma_free_desc(struct virt_dma_desc *vdesc)
desc->in_use = false;
}
-static void sf_pdma_donebh_tasklet(unsigned long arg)
+static void sf_pdma_donebh_tasklet(struct tasklet_struct *t)
{
- struct sf_pdma_chan *chan = (struct sf_pdma_chan *)arg;
- struct sf_pdma_desc *desc = chan->desc;
+ struct sf_pdma_chan *chan = from_tasklet(chan, t, done_tasklet);
unsigned long flags;
spin_lock_irqsave(&chan->lock, flags);
@@ -295,12 +294,15 @@ static void sf_pdma_donebh_tasklet(unsigned long arg)
}
spin_unlock_irqrestore(&chan->lock, flags);
- dmaengine_desc_get_callback_invoke(desc->async_tx, NULL);
+ spin_lock_irqsave(&chan->vchan.lock, flags);
+ list_del(&chan->desc->vdesc.node);
+ vchan_cookie_complete(&chan->desc->vdesc);
+ spin_unlock_irqrestore(&chan->vchan.lock, flags);
}
-static void sf_pdma_errbh_tasklet(unsigned long arg)
+static void sf_pdma_errbh_tasklet(struct tasklet_struct *t)
{
- struct sf_pdma_chan *chan = (struct sf_pdma_chan *)arg;
+ struct sf_pdma_chan *chan = from_tasklet(chan, t, err_tasklet);
struct sf_pdma_desc *desc = chan->desc;
unsigned long flags;
@@ -332,8 +334,7 @@ static irqreturn_t sf_pdma_done_isr(int irq, void *dev_id)
residue = readq(regs->residue);
if (!residue) {
- list_del(&chan->desc->vdesc.node);
- vchan_cookie_complete(&chan->desc->vdesc);
+ tasklet_hi_schedule(&chan->done_tasklet);
} else {
/* submit next trascatioin if possible */
struct sf_pdma_desc *desc = chan->desc;
@@ -347,8 +348,6 @@ static irqreturn_t sf_pdma_done_isr(int irq, void *dev_id)
spin_unlock_irqrestore(&chan->vchan.lock, flags);
- tasklet_hi_schedule(&chan->done_tasklet);
-
return IRQ_HANDLED;
}
@@ -476,10 +475,8 @@ static void sf_pdma_setup_chans(struct sf_pdma *pdma)
writel(PDMA_CLEAR_CTRL, chan->regs.ctrl);
- tasklet_init(&chan->done_tasklet,
- sf_pdma_donebh_tasklet, (unsigned long)chan);
- tasklet_init(&chan->err_tasklet,
- sf_pdma_errbh_tasklet, (unsigned long)chan);
+ tasklet_setup(&chan->done_tasklet, sf_pdma_donebh_tasklet);
+ tasklet_setup(&chan->err_tasklet, sf_pdma_errbh_tasklet);
}
}