linux-kernel - Re: [PATCH 1/1] input: imx_sc_key: Enable wakeup according to dts property wakeup-source

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Message-ID: <20240719082351.i3c5qj5cjuklkzy7@pengutronix.de>
Date: Fri, 19 Jul 2024 10:23:51 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Frank Li <Frank.Li@....com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Abel Vesa <abelvesa@...nel.org>,
	Nitin Garg <nitin.garg@....com>,
	"open list:INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN)..." <linux-input@...r.kernel.org>,
	"open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <imx@...ts.linux.dev>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] input: imx_sc_key: Enable wakeup according to dts
 property wakeup-source

Hi Frank,

On 24-07-16, Frank Li wrote:
> From: Abel Vesa <abel.vesa@....com>
> 
> Enable default wakeup according to dts property 'wakeup-source'.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> Reviewed-by: Nitin Garg <nitin.garg@....com>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  drivers/input/keyboard/imx_sc_key.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/input/keyboard/imx_sc_key.c b/drivers/input/keyboard/imx_sc_key.c
> index d18839f1f4f60..83025407065ba 100644
> --- a/drivers/input/keyboard/imx_sc_key.c
> +++ b/drivers/input/keyboard/imx_sc_key.c
> @@ -110,8 +110,10 @@ static void imx_sc_key_action(void *data)
>  
>  static int imx_sc_key_probe(struct platform_device *pdev)
>  {
> +	struct device_node *np = pdev->dev.of_node;
>  	struct imx_key_drv_data *priv;
>  	struct input_dev *input;
> +	int wakeup;
	^
	bool

>  	int error;
>  
>  	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
> @@ -130,6 +132,8 @@ static int imx_sc_key_probe(struct platform_device *pdev)
>  
>  	INIT_DELAYED_WORK(&priv->check_work, imx_sc_check_for_events);
>  
> +	wakeup = of_property_read_bool(np, "wakeup-source");

Can you move this right infront of the device_init_wakeup() call?

>  	input = devm_input_allocate_device(&pdev->dev);
>  	if (!input) {
>  		dev_err(&pdev->dev, "failed to allocate the input device\n");
> @@ -151,6 +155,8 @@ static int imx_sc_key_probe(struct platform_device *pdev)
>  	priv->input = input;
>  	platform_set_drvdata(pdev, priv);
>  
> +	device_init_wakeup(&pdev->dev, !!wakeup);
					^
The !! shouldn't be necessary with type of 'bool'.

Regards,
  Marco

> +
>  	error = imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
>  					 true);
>  	if (error) {
> -- 
> 2.34.1
> 
> 
>