Re: [PATCH net-next v2] misc: Add Renesas Synchronization Management Unit (SMU) support

From: Greg KH
Date: Fri Feb 12 2021 - 02:43:18 EST


On Thu, Feb 11, 2021 at 08:16:15PM -0500, min.li.xe@xxxxxxxxxxx wrote:
> From: Min Li <min.li.xe@xxxxxxxxxxx>
>
> This driver supports 1588 related functions of ClockMatrix(TM)
> and 82P33xxx families of timing and synchronization devices.
>
> The driver is developed to be only used by Renesas PTP Clock
> Manager for Linux (pcm4l) software. It supports 1588/PTP
> releated functionalities that specific to Renesas devices
> but are not supported by general PHC framework. So pcm4l
> will use both the existing PHC driver and this module to
> complete 1588/PTP support. The supported functons are:
>
> -set combomode
> -get dpll's state
> -get dpll's ffo
>
> This driver must work with Renesas MFD driver to access SMU
> through I2C/SPI.
>
> Changes since v1:
> -Provide more background for purpose of the change.
> -Provide compat_ioctl support
> -Fix ioctl cmd definition

This "changes" list goes below the --- line.

And you seem to have ignored my review, especially about documenting the
sysfs files here, please do that as I can not accept this patch as-is.

greg k-h