linux-kernel - Re: [PATCH 13/20] pinctrl: Error if mapping table's control dev can't be found

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Message-ID: <CACRpkdaEVSxpR3z93_bfG28_vj4i5z9Zpne4XUhvTz7fvkXypg@mail.gmail.com>
Date:	Tue, 21 Feb 2012 14:58:57 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Stephen Warren <swarren@...dia.com>
Cc:	Linus Walleij <linus.walleij@...ricsson.com>, B29396@...escale.com,
	s.hauer@...gutronix.de, dongas86@...il.com, shawn.guo@...aro.org,
	thomas.abraham@...aro.org, tony@...mide.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/20] pinctrl: Error if mapping table's control dev can't
 be found

On Mon, Feb 20, 2012 at 7:45 AM, Stephen Warren <swarren@...dia.com> wrote:

> This is a serious error, and the pin control system will not function
> correctly if it ends up not programing the mapping table entries into
> the HW. Instead of just ignoring this, error out.
>
> Signed-off-by: Stephen Warren <swarren@...dia.com>

Thanks applied, this came to bite me today so I see the value
of being strict here.

> +                       /* Eventually, this should trigger deferred probe */
> +                       return -ENODEV;

I changed this to ERR_PTR(-ENODEV) in my codebase as
it returns a pointer.

Yours,
Linus Walleij
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