Revision b794e252f5c1c640097348566dd85d463698ce90 authored by David S. Miller on 20 December 2016, 19:15:45 UTC, committed by David S. Miller on 20 December 2016, 19:15:45 UTC
Xin Long says: ==================== sctp: fix the issue that may copy duplicate addrs into assoc's bind address list Patch 1/2 is to fix some indent level. Given that we have kernels out there with this issue, patch 2/2 also fix sctp_raw_to_bind_addrs. v1 -> v2: Explain why we didn't filter the duplicate addresses when global address list gets updated in patch 2/2 changelog. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
ohci.txt
23-Aug-2002
The "ohci-hcd" driver is a USB Host Controller Driver (HCD) that is derived
from the "usb-ohci" driver from the 2.4 kernel series. The "usb-ohci" code
was written primarily by Roman Weissgaerber <weissg@vienna.at> but with
contributions from many others (read its copyright/licencing header).
It supports the "Open Host Controller Interface" (OHCI), which standardizes
hardware register protocols used to talk to USB 1.1 host controllers. As
compared to the earlier "Universal Host Controller Interface" (UHCI) from
Intel, it pushes more intelligence into the hardware. USB 1.1 controllers
from vendors other than Intel and VIA generally use OHCI.
Changes since the 2.4 kernel include
- improved robustness; bugfixes; and less overhead
- supports the updated and simplified usbcore APIs
- interrupt transfers can be larger, and can be queued
- less code, by using the upper level "hcd" framework
- supports some non-PCI implementations of OHCI
- ... more
The "ohci-hcd" driver handles all USB 1.1 transfer types. Transfers of all
types can be queued. That was also true in "usb-ohci", except for interrupt
transfers. Previously, using periods of one frame would risk data loss due
to overhead in IRQ processing. When interrupt transfers are queued, those
risks can be minimized by making sure the hardware always has transfers to
work on while the OS is getting around to the relevant IRQ processing.
- David Brownell
<dbrownell@users.sourceforge.net>
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