[PATCH 5.12 001/178] dmaengine: idxd: add engine struct device missing bus type assignment

From: Greg Kroah-Hartman
Date: Mon Jun 21 2021 - 12:37:51 EST


From: Dave Jiang <dave.jiang@xxxxxxxxx>

[ Upstream commit 1c4841ccbd2b185587010d6178aac11953f61d4c ]

engine 'struct device' setup is missing assigning the bus type. Add it to
dsa_bus_type.

Fixes: 75b911309060 ("dmaengine: idxd: fix engine conf_dev lifetime")
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Link: https://lore.kernel.org/r/161947841562.984844.17505646725993659651.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/dma/idxd/init.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 59f2104ffc77..f73677490b6c 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -218,6 +218,7 @@ static int idxd_setup_engines(struct idxd_device *idxd)
engine->idxd = idxd;
device_initialize(&engine->conf_dev);
engine->conf_dev.parent = &idxd->conf_dev;
+ engine->conf_dev.bus = &dsa_bus_type;
engine->conf_dev.type = &idxd_engine_device_type;
rc = dev_set_name(&engine->conf_dev, "engine%d.%d", idxd->id, engine->id);
if (rc < 0) {
--
2.30.2