[PATCH v4 1/2] clk: rockchip: add pclk_pd_pmu to the list of rk3288 critical clocks

[hl]

Hi Heiko,
> pclk_pd_pmu needs to keep running and with the upcoming gpio clock
> handling this is not always the case anymore. So add it to the list
> of critical clocks for now.
>
> From: Heiko Stuebner <heiko at sntech.de>
> Signed-off-by: Lin Huang <hl at rock-chips.com>
     is it the right way?  if it still can not meet the requirement, 
please let me know.
> ---
> Changes in v4:
> - Add From: Heiko Stuebner <heiko at sntech.de>
>
>   drivers/clk/rockchip/clk-rk3288.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
> index 0df5bae..9040878 100644
> --- a/drivers/clk/rockchip/clk-rk3288.c
> +++ b/drivers/clk/rockchip/clk-rk3288.c
> @@ -780,6 +780,7 @@ static const char *const rk3288_critical_clocks[] __initconst = {
>   	"aclk_cpu",
>   	"aclk_peri",
>   	"hclk_peri",
> +	"pclk_pd_pmu",
>   };
>   
>   #ifdef CONFIG_PM_SLEEP