linux-kernel - Re: [PATCH 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, 28 Dec 2012 12:02:54 +0100
From:	Andreas Larsson <andreas@...sler.com>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	software@...sler.com, Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	spi-devel-general@...ts.sourceforge.net,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH 2/6] of: Return -ENXIO from of_parse_phandle_with_args
 for too large index and return errors from of_gpio_named_count

On 2012-12-27 13:10, Andreas Larsson 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 drivers/hwmon/gpio-fan.c to cope with error return.
>
> Signed-off-by: Andreas Larsson <andreas@...sler.com>

The callers of of_gpio_count of course also needs to handle errno 
returns. I'll take care of that in V2 of the patch-set. But I'll wait 
for more comments on the patch set before sending V2 unless someone insists.

Cheers,
Andreas

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