linux-kernel - Re: [PATCH 4/7] mfd: cros_ec: spi: Increase cros_ec

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Message-ID: <CAPnjgZ1_LAzUMX+K06o7A8uH6RLk59E-3mV30-Yo8YRcwvsJ8A@mail.gmail.com>
Date:	Fri, 18 Apr 2014 11:30:55 -0600
From:	Simon Glass <sjg@...omium.org>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Stephen Warren <swarren@...dia.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	Andrew Bresticker <abrestic@...omium.org>,
	Dylan Reid <dgreid@...omium.org>,
	Olof Johansson <olof@...om.net>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	lk <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/7] mfd: cros_ec: spi: Increase cros_ec_spi deadline from
 5ms to 100ms

Hi Doug,

On 17 April 2014 11:59, Doug Anderson <dianders@...omium.org> wrote:
> We're adding i2c tunneling to the list of things that goes over
> cros_ec.  i2c tunneling can be slooooooow, so increase our deadline to
> 100ms to account for that.
>
> Signed-off-by: Doug Anderson <dianders@...omium.org>

I believe the EC protocol should be changed on future platforms to
poll for completion of I2C, but in the meantime this patch prevents
failure.

Reviewed-by: Simon Glass <sjg@...omium.org>
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