linux-kernel - [PATCH 4/8] dmaengine: bcm2835: move cyclic member from bcm2835_chan into bcm2835

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Date:	Wed, 16 Mar 2016 12:24:58 -0700
From:	Eric Anholt <eric@...olt.net>
To:	linux-rpi-kernel@...ts.infradead.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Stephen Warren <swarren@...dotorg.org>,
	Lee Jones <lee@...nel.org>, Vinod Koul <vinod.koul@...el.com>,
	dmaengine@...r.kernel.org, Martin Sperl <kernel@...tin.sperl.org>,
	Eric Anholt <eric@...olt.net>
Subject: [PATCH 4/8] dmaengine: bcm2835: move cyclic member from bcm2835_chan into bcm2835_desc

From: Martin Sperl <kernel@...tin.sperl.org>

In preparation to consolidating code we move the cyclic member
into the bcm_2835_desc structure.

Signed-off-by: Martin Sperl <kernel@...tin.sperl.org>
Reviewed-by: Eric Anholt <eric@...olt.net>
Signed-off-by: Eric Anholt <eric@...olt.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 a1d851a..b3bc382 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;
@@ -93,6 +92,8 @@ struct bcm2835_desc {
 
 	unsigned int frames;
 	size_t size;
+
+	bool cyclic;
 };
 
 #define BCM2835_DMA_CS		0x00
@@ -377,8 +378,6 @@ 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);
@@ -432,6 +431,7 @@ 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) {
-- 
2.7.0