Andrey Konovalov f2c2e71764 usb: gadget: add raw-gadget interface ... USB Raw Gadget is a kernel module that provides a userspace interface for the USB Gadget subsystem. Essentially it allows to emulate USB devices from userspace. Enabled with CONFIG_USB_RAW_GADGET. Raw Gadget is currently a strictly debugging feature and shouldn't be used in production. Raw Gadget is similar to GadgetFS, but provides a more low-level and direct access to the USB Gadget layer for the userspace. The key differences are: 1. Every USB request is passed to the userspace to get a response, while GadgetFS responds to some USB requests internally based on the provided descriptors. However note, that the UDC driver might respond to some requests on its own and never forward them to the Gadget layer. 2. GadgetFS performs some sanity checks on the provided USB descriptors, while Raw Gadget allows you to provide arbitrary data as responses to USB requests. 3. Raw Gadget provides a way to select a UDC device/driver to bind to, while GadgetFS currently binds to the first available UDC. 4. Raw Gadget uses predictable endpoint names (handles) across different UDCs (as long as UDCs have enough endpoints of each required transfer type). 5. Raw Gadget has ioctl-based interface instead of a filesystem-based one. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>		2020-03-15 11:34:48 +02:00
..
ABI	xen: branch for v5.6-rc1	2020-02-05 17:44:14 +00:00
accounting
admin-guide	Merge branch 'acpi-doc'	2020-03-06 10:57:46 +01:00
arm	ARM: at91: Documentation: add sam9x60 product and datasheet	2020-01-10 23:40:31 +01:00
arm64	mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()	2020-02-20 10:03:14 +00:00
block	docs: block/biovecs: update the location of bio.c	2020-01-10 10:23:15 -07:00
bpf	bpf: Add s390 testing documentation	2019-10-30 16:25:31 +01:00
cdrom
core-api	mm, tree-wide: rename put_user_page*() to unpin_user_page*()	2020-01-31 10:30:38 -08:00
cpu-freq
crypto	crypto: algapi - make unregistration functions return void	2019-12-20 14:58:35 +08:00
dev-tools	Documentation: kunit: fixed sphinx error in code block	2020-02-10 17:16:42 -07:00
devicetree	dt-bindings: usb: dwc3: Allow clock list & resets to be more flexible	2020-03-15 11:30:47 +02:00
doc-guide	Documentation: build warnings related to missing blank lines after explicit markups has been fixed	2020-02-05 10:30:03 -07:00
driver-api	dmaengine fixes for v5.6-rc5	2020-03-05 12:19:34 -06:00
EDID
fault-injection
fb	fbdev: fbmem: allow overriding the number of bootup logos	2020-01-03 14:27:40 +01:00
features	s390 updates for the 5.6 merge window #2	2020-02-05 17:33:35 +00:00
filesystems	Driver core / debugfs fixes for 5.6-rc5	2020-03-08 10:39:40 -05:00
firmware-guide	docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()	2019-12-19 22:58:12 +01:00
firmware_class
fpga	Documentation: fpga: dfl: add descriptions for thermal/power management interfaces	2019-10-16 19:18:26 -07:00
gpu	drm-misc-next for v5.6:	2020-01-03 11:43:44 +10:00
hid
hwmon	docs: adm1177: fix a broken reference	2020-02-23 20:00:29 -08:00
i2c	docs: i2c: writing-clients: properly name the stop condition	2020-01-29 22:02:09 +01:00
ia64
ide
iio
infiniband
input
isdn	isdn: capi: dead code removal	2019-12-11 09:12:38 +01:00
kbuild	kbuild: get rid of trailing slash from subdir- example	2020-02-27 10:03:27 +09:00
kernel-hacking	Documentation: kernel-hacking: hacking.rst: Change reference to document namespaces.rst to symbol-namespaces.rst	2019-12-19 09:36:23 -07:00
leds
livepatch	livepatch: Documentation of the new API for tracking system state changes	2019-11-01 13:08:24 +01:00
locking	docs/locking: Fix outdated section names	2020-02-05 10:21:12 -07:00
m68k
maintainer	Add a maintainer entry profile for documentation	2020-01-24 09:48:39 -07:00
media	media updates for v5.6-rc1	2020-01-31 14:43:23 -08:00
mic
mips	docs: fix some broken references	2019-10-10 11:25:39 -06:00
misc-devices	Documentation: fix Sphinx warning in xilinx_sdfec.rst	2019-12-19 09:26:25 -07:00
netlabel
networking	docs: networking: phy: Rephrase paragraph for clarity	2020-02-23 20:42:47 -08:00
nios2
nvdimm	docs: nvdimm: use ReST notation for subsection	2020-01-24 09:54:42 -07:00
openrisc
parisc
PCI	Documentation: PCI: Fix pci_alloc_irq_vectors() function name typo	2019-12-30 08:21:29 -06:00
pcmcia
power	Documentation: power: Drop reference to interface.rst	2020-02-20 11:50:59 +01:00
powerpc	powerpc updates for 5.6	2020-02-04 13:06:46 +00:00
process	Documentation/process: Swap out the ambassador for Canonical	2020-02-13 15:38:41 -08:00
RCU	Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD	2020-01-24 10:37:27 -08:00
riscv	It has been a relatively quiet cycle for documentation, but there's still a	2020-01-29 15:27:31 -08:00
s390
scheduler	Documentation/scheduler: fix links in sched-stats	2019-10-29 04:35:41 -06:00
scsi	scsi: smartpqi: Update attribute name to driver_version	2019-12-09 19:17:36 -05:00
security	Documentation: security: core.rst: fix warnings	2019-11-22 10:01:47 -07:00
sh
sound	sound updates for 5.6-rc1	2020-01-28 16:26:57 -08:00
sparc
sphinx	docs: Fix empty parallelism argument	2020-02-25 03:11:04 -07:00
sphinx-static
spi
target
timers
trace	A handful of small documentation fixes that wandered in.	2020-02-07 13:03:10 -08:00
translations	Documentation/process: Swap out the ambassador for Canonical	2020-02-13 15:38:41 -08:00
usb	usb: gadget: add raw-gadget interface	2020-03-15 11:34:48 +02:00
userspace-api	staging: remove isdn capi drivers	2019-12-11 09:11:29 +01:00
virt	KVM: s390: rstify new ioctls in api.rst	2020-02-24 19:28:40 +01:00
vm	mm/zswap.c: add allocation hysteresis if pool limit is hit	2020-01-31 10:30:39 -08:00
w1	docs: w1: Fix a typo in omap-hdq.rst	2019-12-30 11:58:02 -07:00
watchdog
x86	docs: remove MPX from the x86 toc	2020-02-25 03:10:22 -07:00
xtensa
.gitignore
asm-annotations.rst	Documentation: Call out example SYM_FUNC_* usage as x86-specific	2020-01-16 12:53:16 -07:00
atomic_bitops.txt
atomic_t.txt
bus-virt-phys-mapping.txt
Changes
CodingStyle
conf.py
COPYING-logo
crc32.txt
debugging-modules.txt
debugging-via-ohci1394.txt
digsig.txt
DMA-API-HOWTO.txt
DMA-API.txt
DMA-attributes.txt	dma-mapping: remove the DMA_ATTR_WRITE_BARRIER flag	2019-11-14 12:01:54 -04:00
DMA-ISA-LPC.txt
docutils.conf
dontdiff	modpost: dump missing namespaces into a single modules.nsdeps file	2019-11-11 20:10:01 +09:00
futex-requeue-pi.txt
hwspinlock.txt
index.rst	Here's the main documentation changes for 5.5:	2019-12-02 11:51:02 -08:00
io-mapping.txt
io_ordering.txt
IPMI.txt
IRQ-affinity.txt
IRQ-domain.txt
IRQ.txt
irqflags-tracing.txt
Kconfig
kobject.txt
kprobes.txt
kref.txt
logo.gif
lzo.txt
mailbox.txt
Makefile	Kbuild updates for v5.5	2019-12-02 17:35:04 -08:00
memory-barriers.txt	smp_mb__{before,after}_atomic(): update Documentation	2020-02-04 03:05:23 +00:00
nommu-mmap.txt
percpu-rw-semaphore.txt
pi-futex.txt
preempt-locking.txt
rbtree.txt
remoteproc.txt
robust-futex-ABI.txt
robust-futexes.txt
rpmsg.txt
speculation.txt
static-keys.txt
SubmittingPatches
tee.txt	Documentation: tee: add AMD-TEE driver details	2020-01-04 13:49:51 +08:00
this_cpu_ops.txt
unaligned-memory-access.txt
xz.txt