* [PATCH] dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled
@ 2022-04-25 18:03 Dave Jiang
2022-05-19 17:56 ` Vinod Koul
0 siblings, 1 reply; 2+ messages in thread
From: Dave Jiang @ 2022-04-25 18:03 UTC (permalink / raw)
To: vkoul; +Cc: dmaengine
When calling idxd_wq_enable() and wq is already enabled, code should return 0
and indicate function is successful instead of return error code and fail.
This should also put idxd_wq_enable() in sync with idxd_wq_disable() where
it returns 0 if wq is already disabled.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/dma/idxd/device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 22ad9ee383e2..93cbfd726904 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -184,7 +184,7 @@ int idxd_wq_enable(struct idxd_wq *wq)
if (wq->state == IDXD_WQ_ENABLED) {
dev_dbg(dev, "WQ %d already enabled\n", wq->id);
- return -ENXIO;
+ return 0;
}
idxd_cmd_exec(idxd, IDXD_CMD_ENABLE_WQ, wq->id, &status);
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2022-04-25 18:03 [PATCH] dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled Dave Jiang
2022-05-19 17:56 ` Vinod Koul
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