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Groups > linux.kernel > #1360208

usb: gadget breakage on N900: bind UDC by name passed via usb_gadget_driver structure

From Pavel Machek <pavel@ucw.cz>
Newsgroups linux.kernel
Subject usb: gadget breakage on N900: bind UDC by name passed via usb_gadget_driver structure
Date 2016-03-17 22:30 +0100
Message-ID <rdNEu-4pc-15@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Hi!

USB gadget stops working for me on n900, if I merge

usb: gadget: bind UDC by name passed via usb_gadget_driver structure

patch.

commit 2284b29d3d9dd16490909962574d7f3fef83fd97
Author: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Date:   Mon Nov 23 09:56:35 2015 +0100

    usb: gadget: bind UDC by name passed via usb_gadget_driver
    structure

    Introduce new 'udc_name' member to usb_gadget_driver structure.
        The 'udc_name' is a name of UDC that usb_gadget_driver should
	    be bound to. If udc_name is NULL, it will be bound to any
	        available UDC.

    Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
        Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
	    Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
	        Tested-by: Peter Chen <peter.chen@freescale.com>
		    Signed-off-by: Felipe Balbi <balbi@ti.com>


Patch is obvious enough... if there's someone who sets udc_name to
NULL. Who is supposed to do that?

(I have patch in my tree to make USB gadget work when it is not
modular).

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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Thread

usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-17 22:30 +0100
  Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-18 08:50 +0100
    Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-18 10:40 +0100
    Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-18 21:30 +0100
      Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Marek Szyprowski <m.szyprowski@samsung.com> - 2016-03-21 13:00 +0100
        Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-23 13:30 +0100
          Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-24 01:50 +0100
            Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-25 04:30 +0100
              Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-25 22:20 +0100
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-26 22:50 +0100
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-27 22:30 +0200
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-27 23:50 +0200
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-03-28 23:40 +0200
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Pavel Machek <pavel@ucw.cz> - 2016-04-01 16:40 +0200
              Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-26 22:40 +0100
                Re: usb: gadget breakage on N900: bind UDC by name passed via  usb_gadget_driver structure Ruslan Bilovol <ruslan.bilovol@gmail.com> - 2016-03-26 23:00 +0100

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