From d1a28597808268b87f156138aad3104aa255e62b Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Mon, 25 Apr 2022 11:03:29 -0700 Subject: dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled 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 Link: https://lore.kernel.org/r/165090980906.1378449.1939401700832432886.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul --- drivers/dma/idxd/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/dma') diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 1143886f4a80..dd6a05eccb18 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); -- cgit v1.2.3-59-g8ed1b