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alistair23-linux/drivers/usb
Linus Torvalds 9ec3a646fe Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fourth vfs update from Al Viro:
 "d_inode() annotations from David Howells (sat in for-next since before
  the beginning of merge window) + four assorted fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  RCU pathwalk breakage when running into a symlink overmounting something
  fix I_DIO_WAKEUP definition
  direct-io: only inc/dec inode->i_dio_count for file systems
  fs/9p: fix readdir()
  VFS: assorted d_backing_inode() annotations
  VFS: fs/inode.c helpers: d_inode() annotations
  VFS: fs/cachefiles: d_backing_inode() annotations
  VFS: fs library helpers: d_inode() annotations
  VFS: assorted weird filesystems: d_inode() annotations
  VFS: normal filesystems (and lustre): d_inode() annotations
  VFS: security/: d_inode() annotations
  VFS: security/: d_backing_inode() annotations
  VFS: net/: d_inode() annotations
  VFS: net/unix: d_backing_inode() annotations
  VFS: kernel/: d_inode() annotations
  VFS: audit: d_backing_inode() annotations
  VFS: Fix up some ->d_inode accesses in the chelsio driver
  VFS: Cachefiles should perform fs modifications on the top layer only
  VFS: AF_UNIX sockets should call mknod on the top layer only
2015-04-26 17:22:07 -07:00
..
atm ueagle-atm: Delete unnecessary checks before the function call "release_firmware" 2015-03-18 16:56:40 +01:00
c67x00 c67x00-hcd: use USB_DT_HUB 2015-04-03 19:03:16 +02:00
chipidea usb: chipidea: debug: add low power mode check before print registers 2015-04-08 14:32:00 +08:00
class cdc-wdm: error returns need to be translated 2015-03-26 10:51:57 +01:00
common usb: common: otg-fsm: only signal connect after switching to peripheral 2015-03-19 11:28:15 -05:00
core drivers/usb/core: devio.c: Removed an uneeded space before tab 2015-04-10 14:00:22 +02:00
dwc2 usb: dwc2: host: sleep USB_RESUME_TIMEOUT during resume 2015-04-10 13:52:49 +02:00
dwc3 usb: dwc3: make LPM configurable in DT 2015-03-10 15:33:33 -05:00
early USB: ehci-dbgp: drop dead code. 2013-09-26 16:25:21 -07:00
gadget Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
host Some clean ups and small fixes, but the biggest change is the addition 2015-04-14 10:49:03 -07:00
image USB: image: use msecs_to_jiffies for time conversion 2015-03-18 16:20:34 +01:00
isp1760 usb: generic resume timeout for v4.1 2015-04-10 13:45:27 +02:00
misc usb/misc: fix chaoskey build, needs HW_RANDOM 2015-04-03 19:03:15 +02:00
mon
musb usb: generic resume timeout for v4.1 2015-04-10 13:45:27 +02:00
phy USB patches for 4.1-rc1 2015-04-13 17:07:21 -07:00
renesas_usbhs renesas_usbhs: mod_host: use USB_DT_HUB 2015-04-03 19:03:16 +02:00
serial Merge 4.0-rc7 into usb-next 2015-04-07 11:17:34 +02:00
storage Merge 4.0-rc5 into usb-next 2015-03-23 21:49:37 +01:00
usbip usbip: vhci_hcd: use USB_DT_HUB 2015-04-03 19:03:15 +02:00
wusbcore wusbcore: rh: use USB_DT_HUB 2015-04-03 19:03:15 +02:00
Kconfig usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/ 2015-01-27 09:39:38 -06:00
Makefile usb: load usb phy earlier 2015-03-18 17:25:16 +01:00
README usb: hub: rename khubd to hub_wq in documentation and comments 2014-09-23 22:33:19 -07:00
usb-skeleton.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00

README

To understand all the Linux-USB framework, you'll use these resources:

    * This source code.  This is necessarily an evolving work, and
      includes kerneldoc that should help you get a current overview.
      ("make pdfdocs", and then look at "usb.pdf" for host side and
      "gadget.pdf" for peripheral side.)  Also, Documentation/usb has
      more information.

    * The USB 2.0 specification (from www.usb.org), with supplements
      such as those for USB OTG and the various device classes.
      The USB specification has a good overview chapter, and USB
      peripherals conform to the widely known "Chapter 9".

    * Chip specifications for USB controllers.  Examples include
      host controllers (on PCs, servers, and more); peripheral
      controllers (in devices with Linux firmware, like printers or
      cell phones); and hard-wired peripherals like Ethernet adapters.

    * Specifications for other protocols implemented by USB peripheral
      functions.  Some are vendor-specific; others are vendor-neutral
      but just standardized outside of the www.usb.org team.

Here is a list of what each subdirectory here is, and what is contained in
them.

core/		- This is for the core USB host code, including the
		  usbfs files and the hub class driver ("hub_wq").

host/		- This is for USB host controller drivers.  This
		  includes UHCI, OHCI, EHCI, and others that might
		  be used with more specialized "embedded" systems.

gadget/		- This is for USB peripheral controller drivers and
		  the various gadget drivers which talk to them.


Individual USB driver directories.  A new driver should be added to the
first subdirectory in the list below that it fits into.

image/		- This is for still image drivers, like scanners or
		  digital cameras.
../input/	- This is for any driver that uses the input subsystem,
		  like keyboard, mice, touchscreens, tablets, etc.
../media/	- This is for multimedia drivers, like video cameras,
		  radios, and any other drivers that talk to the v4l
		  subsystem.
../net/		- This is for network drivers.
serial/		- This is for USB to serial drivers.
storage/	- This is for USB mass-storage drivers.
class/		- This is for all USB device drivers that do not fit
		  into any of the above categories, and work for a range
		  of USB Class specified devices. 
misc/		- This is for all USB device drivers that do not fit
		  into any of the above categories.