From: Wolfram Sang <wsa@the-dreams.de>
To: Maxime Coquelin <maxime.coquelin@st.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Srinivas Kandagatla <srinivas.kandagatla@gmail.com>,
Patrice Chotard <patrice.chotard@st.com>,
kernel@stlinux.com
Subject: Re: [PATCH] drivers: i2c: i2c-st: Update i2c timings
Date: Tue, 3 Jun 2014 09:59:22 +0200 [thread overview]
Message-ID: <20140603075922.GB2653@katana> (raw)
In-Reply-To: <538D7A1C.5040409@st.com>
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> >Can you give names here? Would be interesting to know since a few
> >drivers implement the minimum timings.
>
> I don't have the name actually.
> The request to implement this change came from hw guys.
Can you ask? It feels better to have changes based on facts.
> >>This patch adds a 10% margin on all the timings.
> >
> >Is there a safety margin or do the devices start to work exactly at 10%?
>
> 10% is a safety margin, I don't know what is the limit.
Which also came from the HW guys? Please ask for details why 10%, too.
Thanks,
Wolfram
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next prev parent reply other threads:[~2014-06-03 7:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-16 15:32 [PATCH] drivers: i2c: i2c-st: Update i2c timings Maxime COQUELIN
2014-06-02 16:31 ` Wolfram Sang
2014-06-03 7:32 ` Maxime Coquelin
2014-06-03 7:59 ` Wolfram Sang [this message]
2014-07-21 11:05 ` Maxime Coquelin
2014-07-21 14:03 ` Wolfram Sang
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