linux-kernel - Re: [PATCH] gpio: Propagate errors from chip->get()

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Message-ID: <CACRpkdZFNmF_CmkkmR=HjUfS--jvFe=xTP5X6EvR88gJHE1_kA@mail.gmail.com>
Date:	Tue, 8 Sep 2015 15:02:36 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio: Propagate errors from chip->get()

On Fri, Aug 28, 2015 at 6:44 PM, Bjorn Andersson
<bjorn.andersson@...ymobile.com> wrote:

> It's possible to have gpio chips hanging off unreliable remote buses
> where the get() operation will fail to acquire a readout of the current
> gpio state. Propagate these errors to the consumer so that they can
> act on, retry or ignore these failing reads, instead of treating them as
> the line being held high.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>

This patch applied for fixes with Alex' Review-tag.
Thanks for fixing this!

Should I even tag it for stable?

Yours,
Linus Walleij
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