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-rw-r--r--target/linux/ipq40xx/patches-4.14/040-dmaengine-qcom-bam-Process-multiple-pending-descript.patch21
1 files changed, 10 insertions, 11 deletions
diff --git a/target/linux/ipq40xx/patches-4.14/040-dmaengine-qcom-bam-Process-multiple-pending-descript.patch b/target/linux/ipq40xx/patches-4.14/040-dmaengine-qcom-bam-Process-multiple-pending-descript.patch
index 1fe4eb036f..b685998356 100644
--- a/target/linux/ipq40xx/patches-4.14/040-dmaengine-qcom-bam-Process-multiple-pending-descript.patch
+++ b/target/linux/ipq40xx/patches-4.14/040-dmaengine-qcom-bam-Process-multiple-pending-descript.patch
@@ -132,7 +132,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
async_desc->num_desc = num_alloc;
async_desc->curr_desc = async_desc->desc;
-@@ -685,29 +688,16 @@ err_out:
+@@ -685,28 +688,16 @@ err_out:
static int bam_dma_terminate_all(struct dma_chan *chan)
{
struct bam_chan *bchan = to_bam_chan(chan);
@@ -159,15 +159,14 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
- bam_chan_init_hw(bchan, bchan->curr_txd->dir);
- list_add(&bchan->curr_txd->vd.node, &bchan->vc.desc_issued);
- bchan->curr_txd = NULL;
-- }
+ list_for_each_entry_safe(async_desc, tmp,
+ &bchan->desc_list, desc_node) {
+ list_add(&async_desc->vd.node, &bchan->vc.desc_issued);
+ list_del(&async_desc->desc_node);
+ }
vchan_get_all_descriptors(&bchan->vc, &head);
- spin_unlock_irqrestore(&bchan->vc.lock, flag);
-@@ -778,9 +768,9 @@ static int bam_resume(struct dma_chan *c
+@@ -778,9 +769,9 @@ static int bam_resume(struct dma_chan *c
*/
static u32 process_channel_irqs(struct bam_device *bdev)
{
@@ -179,7 +178,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
srcs = readl_relaxed(bam_addr(bdev, 0, BAM_IRQ_SRCS_EE));
-@@ -800,27 +790,40 @@ static u32 process_channel_irqs(struct b
+@@ -800,27 +791,40 @@ static u32 process_channel_irqs(struct b
writel_relaxed(pipe_stts, bam_addr(bdev, i, BAM_P_IRQ_CLR));
spin_lock_irqsave(&bchan->vc.lock, flags);
@@ -229,7 +228,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
}
spin_unlock_irqrestore(&bchan->vc.lock, flags);
-@@ -882,6 +885,7 @@ static enum dma_status bam_tx_status(str
+@@ -882,6 +886,7 @@ static enum dma_status bam_tx_status(str
struct dma_tx_state *txstate)
{
struct bam_chan *bchan = to_bam_chan(chan);
@@ -237,7 +236,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
struct virt_dma_desc *vd;
int ret;
size_t residue = 0;
-@@ -897,11 +901,17 @@ static enum dma_status bam_tx_status(str
+@@ -897,11 +902,17 @@ static enum dma_status bam_tx_status(str
spin_lock_irqsave(&bchan->vc.lock, flags);
vd = vchan_find_desc(&bchan->vc, cookie);
@@ -259,7 +258,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
spin_unlock_irqrestore(&bchan->vc.lock, flags);
-@@ -942,63 +952,86 @@ static void bam_start_dma(struct bam_cha
+@@ -942,63 +953,86 @@ static void bam_start_dma(struct bam_cha
{
struct virt_dma_desc *vd = vchan_next_desc(&bchan->vc);
struct bam_device *bdev = bchan->bdev;
@@ -382,7 +381,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
/* ensure descriptor writes and dma start not reordered */
wmb();
-@@ -1027,7 +1060,7 @@ static void dma_tasklet(unsigned long da
+@@ -1027,7 +1061,7 @@ static void dma_tasklet(unsigned long da
bchan = &bdev->channels[i];
spin_lock_irqsave(&bchan->vc.lock, flags);
@@ -391,7 +390,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
bam_start_dma(bchan);
spin_unlock_irqrestore(&bchan->vc.lock, flags);
}
-@@ -1048,7 +1081,7 @@ static void bam_issue_pending(struct dma
+@@ -1048,7 +1082,7 @@ static void bam_issue_pending(struct dma
spin_lock_irqsave(&bchan->vc.lock, flags);
/* if work pending and idle, start a transaction */
@@ -400,7 +399,7 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com>
bam_start_dma(bchan);
spin_unlock_irqrestore(&bchan->vc.lock, flags);
-@@ -1152,6 +1185,7 @@ static void bam_channel_init(struct bam_
+@@ -1152,6 +1186,7 @@ static void bam_channel_init(struct bam_
vchan_init(&bchan->vc, &bdev->common);
bchan->vc.desc_free = bam_dma_free_desc;