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Filename Latest commit message Latest commit date
Guenter Roeck 3113bf1a5d staging: typec: tcpm: Report role swap complete after entering READY state
Role swap requests fail unless the current role is either SRC_READY or
SNK_READY. This works fine for VCONN and data role swaps, where we
immediately enter READY state after reporting a successful role swap
to user space. However, on power role changes, the role swap is currently
reported as successful while power negotiation is still in process.
User space does not know this, and may request another role swap
immediately after a power role swap is reported to be complete.
This second role swap will fail with -EAGAIN.

To fix the problem, report role swap completion after power negotiation
is complete and the state machine enters SRC_READY or SNK_READY state.
This is better anyway since it captures errors due to failed power
negotiations. It also simplifies the code since the number of calls
needed to report successful role swaps is reduced.

Reported-by: Howard Yen <howard_yen@htc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-18 15:57:15 -07:00
arch Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-08-13 15:34:28 -07:00
block block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time 2017-08-09 20:24:38 -06:00
certs
crypto
Documentation Merge 4.13-rc5 into staging-next 2017-08-14 13:35:22 -07:00
drivers staging: typec: tcpm: Report role swap complete after entering READY state 2017-08-18 15:57:15 -07:00
firmware
fs Some more NFS client bugfixes for 4.13 2017-08-11 13:54:09 -07:00
include Merge 4.13-rc5 into staging-next 2017-08-14 13:35:22 -07:00
init
ipc
kernel mm: migrate: prevent racy access to tlb_flush_pending 2017-08-10 15:54:07 -07:00
lib fault-inject: fix wrong should_fail() decision in task context 2017-08-10 15:54:06 -07:00
mm rmap: do not call mmu_notifier_invalidate_page() under ptl 2017-08-10 15:54:07 -07:00
net packet: fix tp_reserve race in packet_set_ring 2017-08-10 09:52:12 -07:00
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: copy virtio on balloon_compaction.c 2017-08-10 15:54:07 -07:00
Makefile Linux 4.13-rc5 2017-08-13 16:01:32 -07:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.