linux-kernel - [PATCH v6 0/4] usb/gadget: independent registration of gadgets and gadget drivers

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Date:	Fri, 20 Nov 2015 09:54:08 +0100
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Ruslan Bilovol <ruslan.bilovol@...il.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: [PATCH v6 0/4] usb/gadget: independent registration of gadgets and
 gadget drivers

Hello,

This is a resurrection of the patches initially submitted by Ruslan
Bilovol in the following thread: https://lkml.org/lkml/2015/6/22/554

The changes since the original submission (v5) includes rebase onto
latest linux-next branch, simplification of the code requested by Alan
Stern and Felipe Balbi and removal of a patch, which deleted
__init/__exit attributes (this change has been already merged).

This feature is urgently needed, because it is not longer possible to
use workaround to avoid deferred probe in UDC drivers due to
not-yet-probed i2c regulator drivers (for more information see
https://lkml.org/lkml/2015/10/30/374 ).

This patchset has been successfully tested on Odroid XU3 boards with
DWC3 UDC driver being deferred by missing regulator drivers.

Best regards
Marek Szyprowski
Samsung R&D Institute Poland

Patch summary:

Ruslan Bilovol (4):
  usb: gadget: bind UDC by name passed via usb_gadget_driver structure
  usb: gadget: configfs: pass UDC name via usb_gadget_driver struct
  usb: gadget: udc-core: remove unused usb_udc_attach_driver()
  usb: gadget: udc-core: independent registration of gadgets and gadget
    drivers

 drivers/usb/gadget/configfs.c     | 27 ++++++-------
 drivers/usb/gadget/udc/udc-core.c | 81 +++++++++++++++++++++++----------------
 include/linux/usb/gadget.h        |  8 +++-
 3 files changed, 68 insertions(+), 48 deletions(-)

-- 
1.9.2

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