linux-kernel - Re: [PATCH 3/3] Input: synaptics-rmi4 - log when we create a guest serio port

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Date:   Fri, 19 Jan 2018 13:10:18 -0500
From:   thatslyude@...il.com
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Damjan Georgievski <gdamjan@...il.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andrew Duggan <aduggan@...aptics.com>
Subject: Re: [PATCH 3/3] Input: synaptics-rmi4 - log when we create a guest
 serio port

Reviewed-by: Lyude Paul <lyude@...hat.com>

On Thu, 2018-01-18 at 16:49 -0800, Dmitry Torokhov wrote:
> To ease analyzing boot behavior from logs, let's log when we are about to
> register the pass-through serio port.
> 
> Also, let's drop "Synaptics" prefix from the port name, as RMI4 is good
> enough indicator already, and having the prefix means that the name does
> not fit into serio->name field. While at it move from hard-coded seio->phys
> to one mentioning the sensor ID (such as "rmi4-00.fn03/serio0").
> 
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
>  drivers/input/rmi4/rmi_f03.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c
> index 7ccbb370a9a81..88822196d6b72 100644
> --- a/drivers/input/rmi4/rmi_f03.c
> +++ b/drivers/input/rmi4/rmi_f03.c
> @@ -184,14 +184,15 @@ static int rmi_f03_register_pt(struct f03_data *f03)
>  	serio->close = rmi_f03_pt_close;
>  	serio->port_data = f03;
>  
> -	strlcpy(serio->name, "Synaptics RMI4 PS/2 pass-through",
> -		sizeof(serio->name));
> -	strlcpy(serio->phys, "synaptics-rmi4-pt/serio1",
> -		sizeof(serio->phys));
> +	strlcpy(serio->name, "RMI4 PS/2 pass-through", sizeof(serio-
> >name));
> +	snprintf(serio->phys, sizeof(serio->phys), "%s/serio0",
> +		 dev_name(&f03->fn->dev));
>  	serio->dev.parent = &f03->fn->dev;
>  
>  	f03->serio = serio;
>  
> +	printk(KERN_INFO "serio: %s port at %s\n",
> +		serio->name, dev_name(&f03->fn->dev));
>  	serio_register_port(serio);
>  
>  	return 0;