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Changes in 4.9.85 netfilter: drop outermost socket lock in getsockopt() xtensa: fix high memory/reserved memory collision scsi: ibmvfc: fix misdefined reserved field in ibmvfc_fcp_rsp_info cfg80211: fix cfg80211_beacon_dup X.509: fix BUG_ON() when hash algorithm is unsupported PKCS#7: fix certificate chain verification RDMA/uverbs: Protect from command mask overflow iio: buffer: check if a buffer has been set up when poll is called iio: adis_lib: Initialize trigger before requesting interrupt x86/oprofile: Fix bogus GCC-8 warning in nmi_setup() irqchip/gic-v3: Use wmb() instead of smb_wmb() in gic_raise_softirq() PCI/cxgb4: Extend T3 PCI quirk to T4+ devices ohci-hcd: Fix race condition caused by ohci_urb_enqueue() and io_watchdog_func() usb: ohci: Proper handling of ed_rm_list to handle race condition between usb_kill_urb() and finish_unlinks() arm64: Disable unhandled signal log messages by default Add delay-init quirk for Corsair K70 RGB keyboards drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA usb: dwc3: gadget: Set maxpacket size for ep0 IN usb: ldusb: add PIDs for new CASSY devices supported by this driver Revert "usb: musb: host: don't start next rx urb if current one failed" usb: gadget: f_fs: Process all descriptors during bind usb: renesas_usbhs: missed the "running" flag in usb_dmac with rx path drm/amdgpu: Add dpm quirk for Jet PRO (v2) drm/amdgpu: add atpx quirk handling (v2) drm/amdgpu: Avoid leaking PM domain on driver unbind (v2) drm/amdgpu: add new device to use atpx quirk binder: add missing binder_unlock() X.509: fix NULL dereference when restricting key with unsupported_sig mm: avoid spurious 'bad pmd' warning messages fs/dax.c: fix inefficiency in dax_writeback_mapping_range() libnvdimm: fix integer overflow static analysis warning device-dax: implement ->split() to catch invalid munmap attempts mm: introduce get_user_pages_longterm v4l2: disable filesystem-dax mapping support IB/core: disable memory registration of filesystem-dax vmas libnvdimm, dax: fix 1GB-aligned namespaces vs physical misalignment mm: Fix devm_memremap_pages() collision handling mm: fail get_vaddr_frames() for filesystem-dax mappings x86/entry/64: Clear extra registers beyond syscall arguments, to reduce speculation attack surface Linux 4.9.85 Signed-off-by: Greg Kroah-Hartman <gregkh@google.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.