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Date:   Thu, 11 Feb 2021 08:06:11 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     min.li.xe@renesas.com
Cc:     derek.kiernan@xilinx.com, dragan.cvetic@xilinx.com, arnd@arndb.de,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] misc: Add Renesas Synchronization Management
 Unit (SMU) support
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On Wed, Feb 10, 2021 at 10:03:31PM -0500, min.li.xe@renesas.com wrote:
> From: Min Li <min.li.xe@renesas.com>
> 
> This driver supports 1588 related functions of ClockMatrix(TM)
> and 82P33xxx families of timing and synchronization devices. The
> supported functons are:
> 
> - set combomode
> - get dpll's state
> - get dpll's ffo
> 
> Please note that this driver needs to work with rsmu mfd driver
> to access SMU through I2C/SPI.
> 
> Signed-off-by: Min Li <min.li.xe@renesas.com>

Where is the new user/kernel api you are creating here documented?  What
userspace tools use it?

thanks,

greg k-h