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authorVinod Koul <vkoul@kernel.org>2019-01-20 10:48:05 +0530
committerVinod Koul <vkoul@kernel.org>2019-01-20 10:48:05 +0530
commit73bf95f57bcfe4a91771cbf43405ec7e14f382c5 (patch)
tree066105db7948ac210755df2cba96c410e7614978 /drivers/dma
parent55f53b9c1746bba0e1b3a8d82ff3abe7ad3b96ce (diff)
parent546c0547555efca8ba8c120716c325435e29df1b (diff)
Merge branch 'topic/qcom' into for-linus
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/qcom/bam_dma.c4
-rw-r--r--drivers/dma/qcom/hidma.c19
-rw-r--r--drivers/dma/qcom/hidma_mgmt.c3
3 files changed, 14 insertions, 12 deletions
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 1617715aa6e0..cb860cb53c27 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -636,8 +636,8 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan,
num_alloc += DIV_ROUND_UP(sg_dma_len(sg), BAM_FIFO_SIZE);
/* allocate enough room to accomodate the number of entries */
- async_desc = kzalloc(sizeof(*async_desc) +
- (num_alloc * sizeof(struct bam_desc_hw)), GFP_NOWAIT);
+ async_desc = kzalloc(struct_size(async_desc, desc, num_alloc),
+ GFP_NOWAIT);
if (!async_desc)
goto err_out;
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index 43d4b00b8138..411f91fde734 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -138,24 +138,25 @@ static void hidma_process_completed(struct hidma_chan *mchan)
desc = &mdesc->desc;
last_cookie = desc->cookie;
+ llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
+
spin_lock_irqsave(&mchan->lock, irqflags);
+ if (llstat == DMA_COMPLETE) {
+ mchan->last_success = last_cookie;
+ result.result = DMA_TRANS_NOERROR;
+ } else {
+ result.result = DMA_TRANS_ABORTED;
+ }
+
dma_cookie_complete(desc);
spin_unlock_irqrestore(&mchan->lock, irqflags);
- llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
dmaengine_desc_get_callback(desc, &cb);
dma_run_dependencies(desc);
spin_lock_irqsave(&mchan->lock, irqflags);
list_move(&mdesc->node, &mchan->free);
-
- if (llstat == DMA_COMPLETE) {
- mchan->last_success = last_cookie;
- result.result = DMA_TRANS_NOERROR;
- } else
- result.result = DMA_TRANS_ABORTED;
-
spin_unlock_irqrestore(&mchan->lock, irqflags);
dmaengine_desc_callback_invoke(&cb, &result);
@@ -415,6 +416,7 @@ hidma_prep_dma_memcpy(struct dma_chan *dmach, dma_addr_t dest, dma_addr_t src,
if (!mdesc)
return NULL;
+ mdesc->desc.flags = flags;
hidma_ll_set_transfer_params(mdma->lldev, mdesc->tre_ch,
src, dest, len, flags,
HIDMA_TRE_MEMCPY);
@@ -447,6 +449,7 @@ hidma_prep_dma_memset(struct dma_chan *dmach, dma_addr_t dest, int value,
if (!mdesc)
return NULL;
+ mdesc->desc.flags = flags;
hidma_ll_set_transfer_params(mdma->lldev, mdesc->tre_ch,
value, dest, len, flags,
HIDMA_TRE_MEMSET);
diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c
index d64edeb6771a..681de12f4c67 100644
--- a/drivers/dma/qcom/hidma_mgmt.c
+++ b/drivers/dma/qcom/hidma_mgmt.c
@@ -423,9 +423,8 @@ static int __init hidma_mgmt_init(void)
hidma_mgmt_of_populate_channels(child);
}
#endif
- platform_driver_register(&hidma_mgmt_driver);
+ return platform_driver_register(&hidma_mgmt_driver);
- return 0;
}
module_init(hidma_mgmt_init);
MODULE_LICENSE("GPL v2");