[PATCH v2] soc: rockchip: avoid infinite loop for power domain

[Heiko Stuebner]

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