[PATCH] soc: rockchip: power-domain: Add a sanity check on pd->num_clks

[Shawn Lin]

Hi Jeffy,

On 2018/3/5 17:17, Jeffy Chen wrote:
> The of_count_phandle_with_args() can fail and return error(for example,
> rk3399 pd_vio doesn't have clocks). That would break the pd probe.
> 
> Add a sanity check on pd->num_clks to avoid that.
> 
> Fixes: 65084121d59d ("soc: rockchip: power-domain: use clk_bulk APIs")
> Reported-by: Shawn Lin <shawn.lin at rock-chips.com>
> Signed-off-by: Jeffy Chen <jeffy.chen at rock-chips.com>
Tested-by: Shawn Lin <shawn.lin at rock-chips.com>