From: Tony Lindgren Date: Tue, 13 Sep 2016 17:22:43 +0000 (-0700) Subject: dmaengine: cppi41: Ignore EINPROGRESS for PM runtime X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f2f6f828fc79509d7582d5f338ecf0795250d8b5;p=linux-beck.git dmaengine: cppi41: Ignore EINPROGRESS for PM runtime 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 Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 2f1994ec245f..97f4d6c1b6b9 100644 --- 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);