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Date:   Wed, 29 Nov 2017 11:07:37 +0000
From:   Lee Jones <>
To:     Jon Hunter <>
        Brian Norris <>,
        Shawn Nematbakhsh <>
Subject: Re: [PATCH 2/2] mfd: cros ec: spi: Simplify delay handling between
 SPI messages

On Mon, 13 Nov 2017, Jon Hunter wrote:

> The EC SPI driver prevents SPI transfers being to rapidly by keeping
> track of the time the last transfer was issued via the
> 'last_transfer_ns' variable. Previously, if the 'last_transfer_ns'
> variable was zero, this indicated that no previous transfer had been
> sent and that no delay was needed. However, the EC SPI driver has
> been updated to always initialise the 'last_transfer_ns' variable
> during probe and therefore, it is no longer necessary to test if it
> is zero. Remove the code that checks if this variable is zero.
> Signed-off-by: Jon Hunter <>
> ---
>  drivers/mfd/cros_ec_spi.c | 25 +++++++++----------------
>  1 file changed, 9 insertions(+), 16 deletions(-)

Applied, thanks.

Lee Jones
Linaro STMicroelectronics Landing Team Lead │ Open source software for ARM SoCs
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