Commit 1cd8e751 authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul
Browse files

dmaengine: idxd: skip clearing device context when device is read-only 



If the device shows up as read-only configuration, skip the clearing of the
state as the context must be preserved for device re-enable after being
disabled.

Fixes: 0dcfe41e ("dmanegine: idxd: cleanup all device related bits after disabling device")
Reported-by: default avatarTony Zhu <tony.zhu@intel.com>
Tested-by: default avatarTony Zhu <tony.zhu@intel.com>
Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971479479.2200566.13980022473526292759.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 505a2d10

drivers/dma/idxd/device.c

+3 −0
Original line number Diff line number Diff line
@@ -708,6 +708,9 @@ static void idxd_device_wqs_clear_state(struct idxd_device *idxd) 


void idxd_device_clear_state(struct idxd_device *idxd)

{

	if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))

		return;



	idxd_groups_clear_state(idxd);

	idxd_engines_clear_state(idxd);

	idxd_device_wqs_clear_state(idxd);