linux/drivers/usb
Randy Dunlap 641663a19f usb: gadget: udc: fix snps_udc_plat.c build errors
Fix build errors that happen when CONFIG_EXTCON=m and
CONFIG_USB_SNP_UDC_PLAT=y by preventing that combination in Kconfig.
CONFIG_EXTCON can still be disabled or enabled for this driver since
<linux/extcon.h> has stubs for the disabled case, but if CONFIG_EXTCON=m,
USB_SNP_UDC_PLAT is restricted to m or n (cannot be builtin).

drivers/built-in.o: In function `udc_plat_remove':
snps_udc_plat.c:(.text+0x2c4060): undefined reference to `extcon_unregister_notifier'
drivers/built-in.o: In function `udc_plat_probe':
snps_udc_plat.c:(.text+0x2c438c): undefined reference to `extcon_get_edev_by_phandle'
snps_udc_plat.c:(.text+0x2c43f2): undefined reference to `extcon_register_notifier'
snps_udc_plat.c:(.text+0x2c4416): undefined reference to `extcon_get_state'
snps_udc_plat.c:(.text+0x2c44f7): undefined reference to `extcon_unregister_notifier'

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-09-20 14:57:28 +03:00
..
atm usb: atm: ueagle-atm: constify attribute_group structures. 2017-08-10 11:31:28 -07:00
c67x00 c67x00-hcd: constify hc_driver structures 2017-07-30 07:26:52 -07:00
chipidea usb: chipidea: usb2: check memory allocation failure 2017-08-28 11:44:39 +02:00
class usb: usbtmc: constify attribute_group structures. 2017-08-10 11:31:28 -07:00
common usb: common: use of_property_read_bool() 2017-08-28 11:39:31 +02:00
core usb: core: usbport: fix "BUG: key not in .data" when lockdep is enabled 2017-08-29 08:27:25 +02:00
dwc2 usb: dwc2: skip L2 state of hcd if controller work in device mode 2017-08-15 14:18:55 +03:00
dwc3 usb: dwc3: ep0: fix DMA starvation by assigning req->trb on ep0 2017-09-18 13:30:30 +03:00
early usb/early: Remove trace_printk() callers in xhci-dbc 2017-06-13 10:54:40 +02:00
gadget usb: gadget: udc: fix snps_udc_plat.c build errors 2017-09-20 14:57:28 +03:00
host dma-mapping updates for 4.14: 2017-09-12 13:30:06 -07:00
image USB: microtek: remove unneeded DRIVER_VERSION macro 2017-07-22 15:56:53 +02:00
isp1760 usb: isp1760: compress return logic into one line 2017-07-17 13:13:44 +02:00
misc usb: misc: lvstest: add entry to place port in compliance mode 2017-08-28 11:43:39 +02:00
mon sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
mtu3 usb: changes for v4.14 merge window 2017-08-22 13:16:06 -07:00
musb USB: musb: dsps: add explicit runtime resume at suspend 2017-08-28 10:51:56 +02:00
phy - New Drivers 2017-09-07 13:51:13 -07:00
renesas_usbhs usb: changes for v4.14 merge window 2017-08-22 13:16:06 -07:00
serial USB: serial: option: simplify 3 D-Link device entries 2017-08-30 09:41:25 +02:00
storage SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
typec usb: typec: include linux/device.h in ucsi.h 2017-07-17 13:11:56 +02:00
usbip usbip: vhci-hcd: make vhci_hc_driver const 2017-08-31 18:08:47 +02:00
wusbcore usb: wusbcore: dev-sysfs: constify attribute_group structures. 2017-08-10 11:31:27 -07:00
Kconfig usb: USB Type-C connector class 2017-03-23 13:48:44 +01:00
Makefile USB patches for 4.12-rc1 2017-05-04 18:03:51 -07:00
README
usb-skeleton.c USB: usb-skeleton: refactor endpoint retrieval 2017-03-23 13:54:08 +01:00

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.