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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /drivers/dma/ti/k3-udma.c
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma/ti/k3-udma.c')
-rw-r--r--drivers/dma/ti/k3-udma.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 30fd2f386f..037f1408e7 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -3968,6 +3968,7 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
{
struct udma_chan *uc = to_udma_chan(&vc->chan);
struct udma_desc *d;
+ u8 status;
if (!vd)
return;
@@ -3977,12 +3978,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
if (d->metadata_size)
udma_fetch_epib(uc, d);
- /* Provide residue information for the client */
if (result) {
void *desc_vaddr = udma_curr_cppi5_desc_vaddr(d, d->desc_idx);
if (cppi5_desc_get_type(desc_vaddr) ==
CPPI5_INFO0_DESC_TYPE_VAL_HOST) {
+ /* Provide residue information for the client */
result->residue = d->residue -
cppi5_hdesc_get_pktlen(desc_vaddr);
if (result->residue)
@@ -3991,7 +3992,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
result->result = DMA_TRANS_NOERROR;
} else {
result->residue = 0;
- result->result = DMA_TRANS_NOERROR;
+ /* Propagate TR Response errors to the client */
+ status = d->hwdesc[0].tr_resp_base->status;
+ if (status)
+ result->result = DMA_TRANS_ABORTED;
+ else
+ result->result = DMA_TRANS_NOERROR;
}
}
}