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In the commit4f0a1a1ae3("memory: mtk-smi: Invoke pm runtime_callback to enable clocks"), we use pm_runtime callback to enable/disable the smi larb clocks. It will cause the larb's clock may not be disabled when suspend. That is because device_prepare will call pm_runtime_get_noresume which will keep the larb's PM runtime status still is active when suspend, then it won't enter our pm_runtime suspend callback to disable the corresponding clocks. This patch adds suspend pm_ops to force disable the clocks, Use "LATE" to make sure it disable the larb's clocks after the multimedia devices. Fixes:4f0a1a1ae3("memory: mtk-smi: Invoke pm runtime_callback to enable clocks") Signed-off-by: Anan Sun <anan.sun@mediatek.com> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>