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authorJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
commit28ab1bb0e8f031dd7dd3462ff8f6b2e93fc77e7f (patch)
tree3c0d2177d9bfc513c2d06c1efb5ab62c74fd1953 /drivers/dma/ti/cppi41.c
parentb874155a5fa450bf5e4b5303cbfff05958805bf8 (diff)
parent40e020c129cfc991e8ab4736d2665351ffd1468d (diff)
Merge tag 'v4.20-rc6' into rdma.git for-next
For dependencies in following patches.
Diffstat (limited to 'drivers/dma/ti/cppi41.c')
-rw-r--r--drivers/dma/ti/cppi41.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c
index 1497da367710..e507ec36c0d3 100644
--- a/drivers/dma/ti/cppi41.c
+++ b/drivers/dma/ti/cppi41.c
@@ -723,8 +723,22 @@ static int cppi41_stop_chan(struct dma_chan *chan)
desc_phys = lower_32_bits(c->desc_phys);
desc_num = (desc_phys - cdd->descs_phys) / sizeof(struct cppi41_desc);
- if (!cdd->chan_busy[desc_num])
+ if (!cdd->chan_busy[desc_num]) {
+ struct cppi41_channel *cc, *_ct;
+
+ /*
+ * channels might still be in the pendling list if
+ * cppi41_dma_issue_pending() is called after
+ * cppi41_runtime_suspend() is called
+ */
+ list_for_each_entry_safe(cc, _ct, &cdd->pending, node) {
+ if (cc != c)
+ continue;
+ list_del(&cc->node);
+ break;
+ }
return 0;
+ }
ret = cppi41_tear_down_chan(c);
if (ret)