linux-kernel - Re: [PATCH v2 1/3] USB: Add driver for NXP ISP1301 USB transceiver

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Date:	Mon, 16 Apr 2012 17:52:08 +0200
From:	Roland Stigge <stigge@...com.de>
To:	Alan Stern <stern@...land.harvard.edu>
CC:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, kevin.wells@....com,
	srinivas.bakki@....com, arnd@...db.de,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/3] USB: Add driver for NXP ISP1301 USB transceiver

On 04/16/2012 05:09 PM, Alan Stern wrote:
>>  drivers/usb/Makefile        |    5 ++
>>  drivers/usb/misc/Kconfig    |   12 ++++++
>>  drivers/usb/misc/Makefile   |    1 
>>  drivers/usb/misc/isp1301.c  |   64 ++++++++++++++++++++++++++++++++++
>>  include/linux/usb/isp1301.h |   82 ++++++++++++++++++++++++++++++++++++++++++++
> 
> You know, drivers/usb/misc is meant for miscellaneous USB device 
> drivers.  Not for host or transceiver drivers.
> 
> You should put the new file somewhere else.  Maybe in the otg 
> directory, although that may not be completely appropriate either.  
> Maybe something under the host directory.

The driver is used by drivers in the following directories:

drivers/usb/host/    (ohci-nxp.c)
drivers/usb/otg/     (isp1301_omap.c)
drivers/usb/gadget/  (lpc32xx_udc.c)

So host/ and otg/ don't look much better.

Maybe one of (new):

    drivers/usb/transceiver/
    drivers/usb/phy/
    drivers/usb/lowlevel/

?

Otherwise, I will put it in drivers/usb/otg/ even of it doesn't look
better to me but the chip is advertised as "OTG transceiver". ;-)

Thanks in advance,

Roland
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