linux-kernel - Re: [PATCH v2] i2c: do not enable fall back to Host Notify by default

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Message-ID: <20170112203352.GA17915@dtor-ws>
Date:   Thu, 12 Jan 2017 12:33:52 -0800
From:   Dmitry Torokhov <dtor@...nel.org>
To:     Wolfram Sang <wsa@...-dreams.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Pali Rohár <pali.rohar@...il.com>,
        Michał Kępień <kernel@...pniu.pl>,
        Jean Delvare <jdelvare@...e.com>, Takashi Iwai <tiwai@...e.de>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: do not enable fall back to Host Notify by default

On Thu, Jan 12, 2017 at 07:41:01PM +0100, Wolfram Sang wrote:
> On Wed, Jan 04, 2017 at 08:57:22PM -0800, Dmitry Torokhov wrote:
> > Falling back unconditionally to HostNotify as primary client's interrupt
> > breaks some drivers which alter their functionality depending on whether
> > interrupt is present or not, so let's introduce a board flag telling I2C
> > core explicitly if we want wired interrupt or HostNotify-based one:
> > I2C_CLIENT_HOST_NOTIFY.
> > 
> > For DT-based systems we introduce "host-notify" property that we convert
> > to I2C_CLIENT_HOST_NOTIFY board flag.
> > 
> > Tested-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> 
> Applied to for-current, thanks!
> 
> How do we handle driver fixes? Shall I take them via I2C to have the
> dependency clear? Or can they go seperately?

The drivers that need this will go [hopefully] into next so they should
be OK to go through my tree.

-- 
Dmitry