linux-kernel - Re: [RFC PATCH v5 04/14] i2c: tegra: Fix runtime resume to re-init VI I2C

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Message-ID: <20200728163357.GD3736@ninjato>
Date:   Tue, 28 Jul 2020 18:33:57 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Sowjanya Komatineni <skomatineni@...dia.com>
Cc:     thierry.reding@...il.com, jonathanh@...dia.com, frankc@...dia.com,
        hverkuil@...all.nl, sakari.ailus@....fi, robh+dt@...nel.org,
        helen.koike@...labora.com, digetx@...il.com, sboyd@...nel.org,
        gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org
Subject: Re: [RFC PATCH v5 04/14] i2c: tegra: Fix runtime resume to re-init
 VI I2C

On Mon, Jul 27, 2020 at 01:57:22PM -0700, Sowjanya Komatineni wrote:
> VI I2C is on host1x bus and is part of VE power domain.
> 
> During suspend/resume VE power domain goes through power off/on.
> 
> So, controller reset followed by i2c re-initialization is required
> after the domain power up.
> 
> This patch fixes it.
> 
> Reviewed-by: Dmitry Osipenko <digetx@...il.com>
> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>

Applied to for-next, thanks!


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