linux-kernel - Re: [PATCH v1 04/13] soc: rockchip: power-domain: Fix wrong value when power up pd

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Date:   Sat, 12 May 2018 16:11:00 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Elaine Zhang <zhangqing@...k-chips.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, rjw@...ysocki.net, khilman@...nel.org,
        ulf.hansson@...aro.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wxt@...k-chips.com, xxx@...k-chips.com, xf@...k-chips.com,
        huangtao@...k-chips.com, Finley Xiao <finley.xiao@...k-chips.com>
Subject: Re: [PATCH v1 04/13] soc: rockchip: power-domain: Fix wrong value when power up pd

Hi Elaine,

Am Freitag, 11. Mai 2018, 05:30:49 CEST schrieb Elaine Zhang:

please provide a patch description. This seems to affect rk3328
alone right now, but seems that rk3328 could only ever turn off
power-domains but never turn them on again, right?

Authorship comment from my previous comment applies here
as well.

And please add a

Fixes: 9bb17ce8edb3 ("soc: rockchip: power-domain: Support domain control in hiword-registers")
Cc: stable@...r.kernel.org

to the patch description.


Thanks
Heiko

> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
> Signed-off-by: Finley Xiao <finley.xiao@...k-chips.com>
> ---
>  drivers/soc/rockchip/pm_domains.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
> index ebd7c41898c0..01d4ba26a054 100644
> --- a/drivers/soc/rockchip/pm_domains.c
> +++ b/drivers/soc/rockchip/pm_domains.c
> @@ -264,7 +264,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
>  		return;
>  	else if (pd->info->pwr_w_mask)
>  		regmap_write(pmu->regmap, pmu->info->pwr_offset,
> -			     on ? pd->info->pwr_mask :
> +			     on ? pd->info->pwr_w_mask :
>  			     (pd->info->pwr_mask | pd->info->pwr_w_mask));
>  	else
>  		regmap_update_bits(pmu->regmap, pmu->info->pwr_offset,
>