Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20221027130859.1444412-1-shenwei.wang@nxp.com> <20221027130859.1444412-6-shenwei.wang@nxp.com>
In-Reply-To: <20221027130859.1444412-6-shenwei.wang@nxp.com>
From:   Bartosz Golaszewski <brgl@bgdev.pl>
Date:   Mon, 7 Nov 2022 11:30:19 +0100
Message-ID: <CAMRc=Mf+ByrcBt64gMdiWTgBRETuNHoJZNud1ZkW1T77rR6+QQ@mail.gmail.com>
Subject: Re: [PATCH v4 5/5] gpio: mxc: enable pad wakeup on i.MX8x platforms
To:     Shenwei Wang <shenwei.wang@nxp.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Linus Walleij <linus.walleij@linaro.org>,
        Dong Aisheng <aisheng.dong@nxp.com>,
        Jacky Bai <ping.bai@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Peng Fan <peng.fan@nxp.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        imx@lists.linux.dev
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Thu, Oct 27, 2022 at 3:10 PM Shenwei Wang <shenwei.wang@nxp.com> wrote:
>
> On i.MX8QM/QXP/DXL SoCs, even a GPIO is selected as the wakeup source,
> the GPIO block will be powered off when system enters into suspend
> state. This can greatly reduce the power consumption of suspend state
> because the whole partition can be shutdown. This is called PAD wakeup
> feature on i.MX8x platform.
>
> This patch adds the noirq suspend/resume hooks and uses the pad wakeup
> feature as the default wakeup method for GPIO modules on
> i.MX8QM/QXP/DXL platforms.
>
> Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
> ---

Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>