linux-kernel - Re: [PATCH net-next v3 2/2] misc: Add Renesas Synchronization Management Unit (SMU) support

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Date:   Thu, 8 Apr 2021 08:22:50 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     min.li.xe@...esas.com
Cc:     derek.kiernan@...inx.com, dragan.cvetic@...inx.com, arnd@...db.de,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/2] misc: Add Renesas Synchronization
 Management Unit (SMU) support

On Wed, Apr 07, 2021 at 09:50:50PM -0400, min.li.xe@...esas.com wrote:
> From: Min Li <min.li.xe@...esas.com>
> 
> This driver is developed for the IDT ClockMatrix(TM) and 82P33xxx families
> of timing and synchronization devices.It will be used by Renesas PTP Clock
> Manager for Linux (pcm4l) software to provide support to GNSS assisted
> partial timing support (APTS) and other networking timing functions.
> 
> Current version provides kernel API's to support the following functions
> -set combomode to enable SYNCE clock support
> -read dpll's state to determine if the dpll is locked to the GNSS channel
> -read dpll's ffo (fractional frequency offset) in ppqt
> 
> Signed-off-by: Min Li <min.li.xe@...esas.com>
> ---
> Change log
> -rebase change to linux-next tree
> -remove uncessary condition checks suggested by Greg
> -fix compile error for x86_64
> -register device through misc_register suggested by Greg
> -change to use module_platform_device to register driver
> -remove empty open and release functions
> -more informational comment for struct rsmu_cdev
> 
>  drivers/misc/Kconfig      |   9 ++
>  drivers/misc/Makefile     |   2 +
>  drivers/misc/rsmu_cdev.c  | 231 ++++++++++++++++++++++++++++++++++++++++++++++
>  drivers/misc/rsmu_cdev.h  |  74 +++++++++++++++
>  drivers/misc/rsmu_cm.c    | 166 +++++++++++++++++++++++++++++++++
>  drivers/misc/rsmu_sabre.c | 133 ++++++++++++++++++++++++++

Again, please make this only one file.

thanks,

greg k-h