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Filename Latest commit message Latest commit date
Wesley Cheng 628c582854 usb: dwc3: gadget: Stop EP0 transfers during pullup disable 
commit 4a1e25c0a029b97ea4a3d423a6392bfacc3b2e39 upstream.

During a USB cable disconnect, or soft disconnect scenario, a pending
SETUP transaction may not be completed, leading to the following
error:

    dwc3 a600000.dwc3: timed out waiting for SETUP phase

If this occurs, then the entire pullup disable routine is skipped and
proper cleanup and halting of the controller does not complete.

Instead of returning an error (which is ignored from the UDC
perspective), allow the pullup disable routine to continue, which
will also handle disabling of EP0/1.  This will end any active
transfers as well.  Ensure to clear any delayed_status also, as the
timeout could happen within the STATUS stage.

Fixes: bb01473648 ("usb: dwc3: gadget: don't clear RUN/STOP when it's invalid to do so")
Cc: <stable@vger.kernel.org>
Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Link: https://lore.kernel.org/r/20210825042855.7977-1-wcheng@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-03 10:08:13 +02:00
arch ARC: Fix CONFIG_STACKDEPOT 2021-09-03 10:08:12 +02:00
block blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit() 2021-08-12 13:20:58 +02:00
certs
crypto
Documentation KVM: X86: MMU: Use the correct inherited permissions to get shadow page 2021-08-15 13:08:04 +02:00
drivers usb: dwc3: gadget: Stop EP0 transfers during pullup disable 2021-09-03 10:08:13 +02:00
fs mm, oom: make the calculation of oom badness more accurate 2021-09-03 10:08:12 +02:00
include mm, oom: make the calculation of oom badness more accurate 2021-09-03 10:08:12 +02:00
init
ipc
kernel tracing / histogram: Fix NULL pointer dereference on strcmp() on NULL event name 2021-08-26 08:36:20 -04:00
lib once: Fix panic when module unload 2021-09-03 10:08:12 +02:00
LICENSES
mm mm, oom: make the calculation of oom badness more accurate 2021-09-03 10:08:12 +02:00
net netfilter: conntrack: collect all entries in one cycle 2021-09-03 10:08:12 +02:00
samples
scripts scripts/tracing: fix the bug that can't parse raw_trace_func 2021-08-12 13:21:00 +02:00
security smackfs: restrict bytes count in smk_set_cipso() 2021-07-19 08:53:18 +02:00
sound ASoC: intel: atom: Fix breakage for PCM buffer address setup 2021-08-26 08:36:21 -04:00
tools bpf, selftests: Adjust few selftest result_unpriv outcomes 2021-08-12 13:21:04 +02:00
usr
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-12 13:21:03 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.143 2021-08-26 08:55:22 -04:00
README

README 

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.