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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-07 12:03:02 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-07 12:03:02 +0300
commitc610f7f772aa06ae2bd8e5ace87cde4d90f70198 (patch)
tree6991a32acd3d63685c184734869877707fa73d1c /drivers/dma
parentf9541f8239a5765595543b021b2dce6a8d6653ab (diff)
parentf22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff)
downloadlinux-c610f7f772aa06ae2bd8e5ace87cde4d90f70198.tar.xz
Merge 4.0-rc7 into staging-next
We want those fixes (iio primarily) into the -next branch to help with merge and testing issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/bcm2835-dma.c1
-rw-r--r--drivers/dma/dma-jz4740.c7
-rw-r--r--drivers/dma/edma.c7
-rw-r--r--drivers/dma/moxart-dma.c4
-rw-r--r--drivers/dma/omap-dma.c1
5 files changed, 19 insertions, 1 deletions
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 0723096fb50a..c92d6a70ccf3 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -475,6 +475,7 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
* c->desc is NULL and exit.)
*/
if (c->desc) {
+ bcm2835_dma_desc_free(&c->desc->vd);
c->desc = NULL;
bcm2835_dma_abort(c->chan_base);
diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c
index 4527a3ebeac4..84884418fd30 100644
--- a/drivers/dma/dma-jz4740.c
+++ b/drivers/dma/dma-jz4740.c
@@ -511,6 +511,9 @@ static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc)
kfree(container_of(vdesc, struct jz4740_dma_desc, vdesc));
}
+#define JZ4740_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
+ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
+
static int jz4740_dma_probe(struct platform_device *pdev)
{
struct jz4740_dmaengine_chan *chan;
@@ -548,6 +551,10 @@ static int jz4740_dma_probe(struct platform_device *pdev)
dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic;
dd->device_config = jz4740_dma_slave_config;
dd->device_terminate_all = jz4740_dma_terminate_all;
+ dd->src_addr_widths = JZ4740_DMA_BUSWIDTHS;
+ dd->dst_addr_widths = JZ4740_DMA_BUSWIDTHS;
+ dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+ dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
dd->dev = &pdev->dev;
INIT_LIST_HEAD(&dd->channels);
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 276157f22612..53dbd3b3384c 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -260,6 +260,13 @@ static int edma_terminate_all(struct dma_chan *chan)
*/
if (echan->edesc) {
int cyclic = echan->edesc->cyclic;
+
+ /*
+ * free the running request descriptor
+ * since it is not in any of the vdesc lists
+ */
+ edma_desc_free(&echan->edesc->vdesc);
+
echan->edesc = NULL;
edma_stop(echan->ch_num);
/* Move the cyclic channel back to default queue */
diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c
index 15cab7d79525..b4634109e010 100644
--- a/drivers/dma/moxart-dma.c
+++ b/drivers/dma/moxart-dma.c
@@ -193,8 +193,10 @@ static int moxart_terminate_all(struct dma_chan *chan)
spin_lock_irqsave(&ch->vc.lock, flags);
- if (ch->desc)
+ if (ch->desc) {
+ moxart_dma_desc_free(&ch->desc->vd);
ch->desc = NULL;
+ }
ctrl = readl(ch->base + REG_OFF_CTRL);
ctrl &= ~(APB_DMA_ENABLE | APB_DMA_FIN_INT_EN | APB_DMA_ERR_INT_EN);
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 7dd6dd121681..167dbaf65742 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -981,6 +981,7 @@ static int omap_dma_terminate_all(struct dma_chan *chan)
* c->desc is NULL and exit.)
*/
if (c->desc) {
+ omap_dma_desc_free(&c->desc->vd);
c->desc = NULL;
/* Avoid stopping the dma twice */
if (!c->paused)