linux-kernel - Re: [PATCH] Stowaway 2.6.17.1

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Date:	Sun, 6 Aug 2006 22:28:07 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Marek Vašut <marek.vasut@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Stowaway 2.6.17.1

On Saturday 05 August 2006 15:52, Marek Vašut wrote:
> Hi,
> this patch adds support for stowaway and stowaway compatible (eg. dicota 
> inutPDA) serial keyboards. I made it on kernel 2.6.16, but it applies cleanly 
> on 2.6.17.1 too. I tested it on palm zire71 and friend reported me that it 
> works on palm tungsten T3.
>

Hi,

Looks pretty good, I have a question though:

> +       if (data < 0x80) {
> +       /* invalid scan codes are probably the init sequence, so we ignore them */
> +           if (skbd->keycode[data & SKBD_KEY]) { 
> +                   input_regs(skbd->dev, regs);
> +                   input_report_key(skbd->dev, skbd->keycode[data & SKBD_KEY], 1);
> +                   input_sync(skbd->dev); 
> +           }
> +           else if (data == 0xe7) /* end of init sequence */
> +                   printk(KERN_INFO "input: %s on %s\n", skbd->dev->name, serio->phys);

How does "init sequence" gets here? Normally inputattach initializes
hardware and then creates proper serio port...
 
> +       err = serio_open(serio, drv);
> +       if (err)
> +               goto fail;
> +
> +       input_register_device(skbd->dev);
> +       return 0;

You need to handle errors from input_register_device() too.

-- 
Dmitry
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