I'm writing a USB Device Controller driver for the onboard UDC of Renesas SuperH devices (specifically the SH7705 but should also work on SH7727). When I have got that working I was also planning to write a USB Mass-Storage gadget driver to sit on top of it. I would be starting the mass storage driver about mid September. I am working with the 2.4 kernel and I would also be interested in looking at your mass storage code when it's ready.
My mass storage driver is intended as a demonstration so I was planning to implement it as a user application using the GadgetFS, is there any reason (other than performance) why I shouldn't do that?
Thanks
Julian Back
Alan Stern wrote:
On Mon, 18 Aug 2003, agikor M wrote:
Hi,David
I need to implement usb client(such as a mass-storage) on PXA255 based on linux-2.4.18-rmk7-pxa3.But I have no idea about how to start it.Can you help me?
Someone told me that the code(usb_ctl.c,usb_ep0.c...) in arch/arm/mach-pxa/ is a old stuff and you are maintaining a new gadget.But for some unknown reason I cat't access the http://www.linux-usb.org/gadget/ to get the new USB Gadget framework.Would you like to send me the related code or give me an another link?
After I get the code,where I should start from?Could you please provide any guidance?Any useful HOWTOs?
Thanks a lot.
As it happens, purely by coincidence, I'm writing a USB Mass-Storage
gadget driver right now. It's about halfway done, and if you're
interested I could send it to you when it's ready (another couple of weeks perhaps).
My driver is meant to run under Linux 2.6, so you would have to do some work to port it back to 2.4.18. But it would still be a lot less work than writing the whole thing yourself.
Alan Stern
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