[PATCH v3 06/11] dmaengine: bcm2835: move cyclic member from bcm2835_chan into bcm2835_desc
kernel at martin.sperl.org
kernel at martin.sperl.org
Sat Mar 5 02:52:17 PST 2016
From: Martin Sperl <kernel at martin.sperl.org>
In preparation to consolidating code we move the cyclic member
into the bcm_2835_desc structure.
Signed-off-by: Martin Sperl <kernel at martin.sperl.org>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
drivers/dma/bcm2835-dma.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 2cdc256..23b01c5 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -73,7 +73,6 @@ struct bcm2835_chan {
struct list_head node;
struct dma_slave_config cfg;
- bool cyclic;
unsigned int dreq;
int ch;
@@ -95,6 +94,8 @@ struct bcm2835_desc {
unsigned int frames;
size_t size;
+
+ bool cyclic;
};
#define BCM2835_DMA_CS 0x00
@@ -403,8 +404,6 @@ static void bcm2835_dma_issue_pending(struct dma_chan *chan)
struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
unsigned long flags;
- c->cyclic = true; /* Nothing else is implemented */
-
spin_lock_irqsave(&c->vc.lock, flags);
if (vchan_issue_pending(&c->vc) && !c->desc)
bcm2835_dma_start_desc(c);
@@ -458,6 +457,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic(
d->c = c;
d->dir = direction;
d->frames = buf_len / period_len;
+ d->cyclic = true;
d->cb_list = kcalloc(d->frames, sizeof(*d->cb_list), GFP_KERNEL);
if (!d->cb_list) {
--
2.1.4
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