iommu/mediatek: Add platform_device_put for recovering the device refcnt
authorYong Wu <yong.wu@mediatek.com>
Tue, 18 Oct 2022 02:42:53 +0000 (10:42 +0800)
committerJoerg Roedel <jroedel@suse.de>
Mon, 5 Dec 2022 10:46:01 +0000 (11:46 +0100)
commitdcb40e9fcce9bd251eaff19f3724131db522846c
tree4b51bf3f6a34fa77c3cb57efd95429bf1196e5c0
parent3cd0e4a34d5a9bcff90e0c104800700346e42658
iommu/mediatek: Add platform_device_put for recovering the device refcnt

Add platform_device_put to match with of_find_device_by_node.

Meanwhile, I add a new variable "pcommdev" which is for smi common device.
Otherwise, "platform_device_put(plarbdev)" for smi-common dev may be not
readable. And add a checking for whether pcommdev is NULL.

Fixes: d2e9a1102cfc ("iommu/mediatek: Contain MM IOMMU flow with the MM TYPE")
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20221018024258.19073-2-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/mtk_iommu.c