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695cede0cc
PD#SWPL-17246 Problem: sync the code from mainline. Solution: sync the code from mainline. 7c03859983c2 OSS vulnerability found in [boot.img]:[linux_kernel] (CVE-2018-12232) Risk:[] [1/1] ba89a3d9c791 OSS vulnerability found in [boot.img]:[linux_kernel] (CVE-2019-8912) Risk:[] [1/1] c434d0530610 Android Security Bulletin - November 2019-11 - Kernel components binder driver - CVE-2019-2214 [1/1] ff8d9012fbd4 Android Security Bulletin - November 2019-11 - Kernel components ext4 filesystem - CVE-2019-11833 [1/1] 3c52e964495e cec: store msg after bootup from st [1/2] 94198a56ee10 lcd: support tcon vac and demura data [2/2] 1add1a008a03 vout: spi: porting lcd driver and SPI to Linux [1/1] 3e8d7b0e5f97 hdmirx: add hpd recovery logic when input clk is unstable [1/1] f92e7ba21c62 ppmgr: Add 10bit, dolby and HDR video rotation. [1/1] dab2cc37cd95 dvb: fix dmx2 interrupt bug [1/1] 9d31efae4a55 dv: add dv target output mode [1/1] e86eb9d1b5c5 hdmirx: add rx phy tdr enable control [1/1] 8ea66f645bf6 dts: enable spi for gva [1/1] baf6e74528ef drm: add drm support for tm2 [1/1] Verify: verify by newton Change-Id: I9415060a4b39895b5d624117271a72fc6a1fd187 Signed-off-by: Luan Yuan <luan.yuan@amlogic.com>
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.