linux-kernel - Re: [PATCH v2 2/6] of: Return -ENXIO from of_parse_phandle_with_args for too large index and return errors from of_gpio_named

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Date:	Fri, 1 Feb 2013 10:37:51 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Andreas Larsson <andreas@...sler.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org,
	spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, software@...sler.com
Subject: Re: [PATCH v2 2/6] of: Return -ENXIO from of_parse_phandle_with_args
 for too large index and return errors from of_gpio_named_count

On Tue, Jan 29, 2013 at 3:53 PM, Andreas Larsson <andreas@...sler.com> wrote:

> This lets of_gpio_named_count return an errno on errors by being able to
> distinguish between reaching the end of the phandle list and getting some other
> error from of_parse_phandle_with_args.
>
> Return error from of_spi_register_master when there is an "cs-gpios" list for
> which gp_gpio_named_count fails.
>
> Adjust various drivers cope with error return from of_gpio_named_count,
> including via of_gpio_count.
>
> Signed-off-by: Andreas Larsson <andreas@...sler.com>
> ---
> Changes since v1:
> - Handle error return values from calls to of_gpio_count

Looks correct to me, but I'm no DT-ninja.

For the GPIO portions:
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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