Re: [PATCH v4 1/5] mfd: Add support for Intel LJCA device

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Thu, Mar 09, 2023 at 05:10:48PM +0800, Ye, Xiang wrote:
> Hi Greg,
> 
> Thanks for the review.
> On Thu, Mar 09, 2023 at 08:49:33AM +0100, Greg Kroah-Hartman wrote:
> > On Thu, Mar 09, 2023 at 03:10:56PM +0800, Ye Xiang wrote:
> > > This patch implements the USB part of Intel USB-I2C/GPIO/SPI adapter
> > > device named "La Jolla Cove Adapter" (LJCA).
> > 
> > Then why is this called "mfd" in the subject line?
> Sorry, it's a mistake. I forget to change mfd to usb in the commit message
> because I just move the ljca.c from driver/mfd to drivers/usb/misc according
> to previous review comments[1]. And I will address this on v5.
> 
> [1] https://www.spinics.net/lists/kernel/msg4708451.html
> > 
> > >  include/linux/mfd/ljca.h  |  95 ++++
> > 
> > Why is this .h file in the mfd directory?
> It's a mistake as well. Will address it by moving include/linux/mfd/ljca.h
> to include/linux/usb/ljca.h.

Why do you need a .h file at all for such a tiny .c file?  If you don't
need it, don't have one please.

thanks,

greg k-h