Am Donnerstag, 13. Oktober 2016, 02:16:08 CET schrieb Caesar Wang: > In some cases, we have met the infinite loop in > rockchip_pmu_set_idle_request() or rockchip_do_pmu_set_power_domain(). > > As the crosbug.com/p/57351 reported, the boot hangs right after this > [1.629163] bootconsole [uart8250] disabled > [1.639286] [drm:drm_core_init] Initialized drm 1.1.0 20060810 > [1.645926] [drm:drm_get_platform_dev] Initialized vgem 1.0.0 20120112.. > [1.654558] iommu: Adding device ff8f0000.vop to group 0 > [1.660569] iommu: Adding device ff900000.vop to group 1 > <hang> > > This patch adds the error message and timeout to avoid infinite loop if > it fails to get the ack. > > Signed-off-by: Caesar Wang <wxt at rock-chips.com> applied to by drivers-branch for 4.10 Thanks Heiko