Re: [PATCH v2 2/2] misc: Add iop driver for Sunplus SP7021

[Greg KH]

On Fri, Dec 03, 2021 at 11:48:45AM +0800, Tony Huang wrote:
> IOP (IO Processor) embedded inside SP7021 which is used as
> Processor for I/O control, RTC wake-up and cooperation with
> CPU & PMC in power management purpose.
> The IOP core is DQ8051, so also named IOP8051,
> it supports dedicated JTAG debug pins which share with SP7021.
> In standby mode operation, the power spec reach 400uA.
> 
> Signed-off-by: Tony Huang <tonyhuang.sunplus@xxxxxxxxx>
> ---
> Changes in v2:
>  - Addressed comments from Arnd Bergmann.
>  - Addressed comments from Greg KH.
>  - Addressed comments from kernel test robot.
> 
>  MAINTAINERS                    |   1 +
>  drivers/misc/Kconfig           |   1 +
>  drivers/misc/Makefile          |   1 +
>  drivers/misc/iop/Kconfig       |  13 ++
>  drivers/misc/iop/Makefile      |   6 +

Why do you need a subdirectory for a single .c file?

thanks,

greg k-h