linux-kernel - Re: [PATCH 2/3] i2c: meson: keep peripheral clock enabled

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Message-ID: <20201008100025.GD76290@ninjato>
Date:   Thu, 8 Oct 2020 12:00:25 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Nicolas Belin <nbelin@...libre.com>, linux-i2c@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] i2c: meson: keep peripheral clock enabled

On Wed, Oct 07, 2020 at 10:07:50AM +0200, Jerome Brunet wrote:
> SCL rate appears to be different than what is expected. For example,
> We get 164kHz on i2c3 of the vim3 when 400kHz is expected. This is
> partially due to the peripheral clock being disabled when the clock is
> set.
> 
> Let's keep the peripheral clock on after probe to fix the problem. This
> does not affect the SCL output which is still gated when i2c is idle.
> 
> Fixes: 09af1c2fa490 ("i2c: meson: set clock divider in probe instead of setting it for each transfer")
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>

Applied to for-current, thanks!


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