* [PATCH] dmaengine: cppi41: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
@ 2022-04-14 8:52 cgel.zte
0 siblings, 0 replies; only message in thread
From: cgel.zte @ 2022-04-14 8:52 UTC (permalink / raw)
To: vkoul; +Cc: rdunlap, dmaengine, linux-kernel, Minghao Chi, Zeal Robot
From: Minghao Chi <chi.minghao@zte.com.cn>
Using pm_runtime_resume_and_get() to replace pm_runtime_get_sync and
pm_runtime_put_noidle. This change is just to simplify the code, no
actual functional changes.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
---
drivers/dma/ti/cppi41.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c
index 062bd9bd4de0..44363a731409 100644
--- a/drivers/dma/ti/cppi41.c
+++ b/drivers/dma/ti/cppi41.c
@@ -374,11 +374,10 @@ static int cppi41_dma_alloc_chan_resources(struct dma_chan *chan)
struct cppi41_dd *cdd = c->cdd;
int error;
- error = pm_runtime_get_sync(cdd->ddev.dev);
+ error = pm_runtime_resume_and_get(cdd->ddev.dev);
if (error < 0) {
dev_err(cdd->ddev.dev, "%s pm runtime get: %i\n",
__func__, error);
- pm_runtime_put_noidle(cdd->ddev.dev);
return error;
}
@@ -402,12 +401,9 @@ static void cppi41_dma_free_chan_resources(struct dma_chan *chan)
struct cppi41_dd *cdd = c->cdd;
int error;
- error = pm_runtime_get_sync(cdd->ddev.dev);
- if (error < 0) {
- pm_runtime_put_noidle(cdd->ddev.dev);
-
+ error = pm_runtime_resume_and_get(cdd->ddev.dev);
+ if (error < 0)
return;
- }
WARN_ON(!list_empty(&cdd->pending));
--
2.25.1
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2022-04-14 8:52 [PATCH] dmaengine: cppi41: using pm_runtime_resume_and_get instead of pm_runtime_get_sync cgel.zte
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