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| Filename | Latest commit message | Latest commit date |
|---|---|---|
2da6e4d35d
commit a8d3e4a734599c7d0f6735f8db8a812e503395dd upstream.
On Rasperry Pis without onboard USB hub the power cycle during
power connect init only disable the port but never enabled it again:
usb usb1-port1: attempt power cycle
The port relevant part in dwc2_hcd_hub_control() is skipped in case
port_connect_status = 0 under the assumption the core is or will be soon
in device mode. But this assumption is wrong, because after ClearPortFeature
USB_PORT_FEAT_POWER the port_connect_status will also be 0 and
SetPortFeature (incl. USB_PORT_FEAT_POWER) will be a no-op.
Fix the behavior of dwc2_hcd_hub_control() by replacing the
port_connect_status check with dwc2_is_device_mode().
Link: https://github.com/raspberrypi/linux/issues/6247
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.