linux-kernel - Re: [PATCH v2] PM / Domains: Keep the pd status during system PM phases

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Message-ID: <20170120083846.GB29509@kroah.com>
Date:   Fri, 20 Jan 2017 09:38:46 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Elaine Zhang <zhangqing@...k-chips.com>
Cc:     xf@...k-chips.com, heiko@...ech.de, rjw@...ysocki.net,
        khilman@...nel.org, ulf.hansson@...aro.org, pavel@....cz,
        len.brown@...el.com, linux-pm@...r.kernel.org,
        huangtao@...k-chips.com, xxx@...k-chips.com, wxt@...k-chips.com,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] PM / Domains: Keep the pd status during system PM
 phases

On Fri, Jan 20, 2017 at 10:21:33AM +0800, Elaine Zhang wrote:
> If a PM domain is powered off before system suspend,
> we hope do nothing in system runtime suspend noirq phase
> and system runtime resume noirq phase.
> 
> This modify is to slove system resume issue for RK3399.
> RK3399 SOC pd_gpu have voltage domain vdd_gpu,
> so we must follow open vdd_gpu and power on pd_gpu,
> power off pd_gpu and disable vdd_gpu.
> Fix up in runtime resume noirq phase power on all PDs.
> 
> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
> ---
>  drivers/base/power/domain.c | 10 +++++++---
>  include/linux/pm_domain.h   |  1 +
>  2 files changed, 8 insertions(+), 3 deletions(-)

What changed from v1?  You always have to list that below the --- line.

thanks,

greg k-h