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

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Date:   Thu, 5 Jan 2017 13:39:00 +0100
From:   Pali Rohár <pali.rohar@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Wolfram Sang <wsa@...-dreams.de>, Rob Herring <robh+dt@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.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 Wednesday 04 January 2017 20:57:22 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>

Acked-by: Pali Rohár <pali.rohar@...il.com>

-- 
Pali Rohár
pali.rohar@...il.com