>-----Original Message----- >From: Matthieu CASTET [mailto:matthieu.castet@xxxxxxxxxx] >Sent: Wednesday, February 16, 2011 1:56 AM >To: Greg KH >Cc: linux-usb@xxxxxxxxxxxxxxx; Alan Stern; David Brownell; Li Yang-R58472; >Nguyen Dinh-R00091; Guennadi Liakhovetski; Chao Xie; Pavankumar Kondeti; >Xiaochen Shen; Philippe Skowronski >Subject: Re: duplicate udc driver for managing tdi core ? > >Greg KH a écrit : >> On Sat, Feb 12, 2011 at 03:05:21PM +0100, matthieu castet wrote: >>> Hi, >>> >>> grepping for tdi (arc/chipidea/mips otg ehci like controller) >>> registers in driver/usb/gadget show interesting things : it seems we >>> have 4 drivers for handling the same controller. >>> - fsl_udc_core [1] >>> - ci13xxx_udc [2] >>> - mv_udc [3] >>> - langwell [4] >>> >>> fsl is the historic driver (freesale and tegra will be using it). >>> ci13xxx was added by mips and msm chip use it mv_udc/langwell is >>> newer. >>> >>> I didn't look at the driver in details, there may be tiny difference >>> between all this controllers. >>> >>> Shouldn't we try to merge them and rename to a clear name in order >>> people don't rewrite again the same driver ? >> >> Sure, if you think it is possible, please do so. >> >But without help of the current maintainers it will be difficult. I have >no way to test on their platform. > >Also how to select which driver should be the base of the merge : >- fsl_udc_core is the historic driver and seems to have tested pretty well >(and was used on big endian arch) The driver is also used on Freescale ARM based i.mx SoCs which are little endian. - Leo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
