diff mbox

dmaengine: cppi41: Ignore EINPROGRESS for PM runtime

Message ID 20160913172243.13012-1-tony@atomide.com (mailing list archive)
State Accepted
Headers show

Commit Message

Tony Lindgren Sept. 13, 2016, 5:22 p.m. UTC
We can occasionally get -EINPROGRESS for pm_runtime_get. In that case
we can just continue as we're queueing transfers anyways when
pm_runtime_active is not set.

Fixes: fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support")
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/dma/cppi41.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Vinod Koul Sept. 14, 2016, 1:43 p.m. UTC | #1
On Tue, Sep 13, 2016 at 10:22:43AM -0700, Tony Lindgren wrote:
> We can occasionally get -EINPROGRESS for pm_runtime_get. In that case
> we can just continue as we're queueing transfers anyways when
> pm_runtime_active is not set.

Applied, thanks
diff mbox

Patch

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -462,7 +462,7 @@  static void cppi41_dma_issue_pending(struct dma_chan *chan)
 
 	/* PM runtime paired with dmaengine_desc_get_callback_invoke */
 	error = pm_runtime_get(cdd->ddev.dev);
-	if (error < 0) {
+	if ((error != -EINPROGRESS) && error < 0) {
 		dev_err(cdd->ddev.dev, "Failed to pm_runtime_get: %i\n",
 			error);