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Date:	Tue, 18 Feb 2014 05:26:20 +0400
To:	Uwe Kleine-König 
Cc:	"" <>,
	Greg Kroah-Hartman <>,
	"" <>
Subject: Re: [PATCH] w1-gpio: handle of_get_gpio() returning -EPROBE_DEFER better


14.02.2014, 02:05, "Uwe Kleine-König" <>:
> of_get_gpio() might return -EPROBE_DEFER meaning that the driver
> providing the gpio isn't ready yet. If that happens for the first gpio
> the resulting kernel output without this patch is:
>         w1-gpio somename: Failed to parse DT
>         platform somename: Driver w1-gpio requests probe deferral
> The first message is misleading and so is suppressed with this patch.
> Further if determining the gpio to switch the external pullup yields
> -EPROBE_DEFER this error should be passed back to the caller instead of
> just continuing without pullup.
> Signed-off-by: Uwe Kleine-König <>

I'm ok with this patch, but I virtually do not understand what it does :)
Since I know nothing about device trees.

But yet it looks innocent enough to merge.
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