forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
linux-pinenote/drivers/usb/core
History
Gavin Guo bb86cf569b usb: Check if port status is equal to RxDetect 
When using USB 3.0 pen drive with the [AMD] FCH USB XHCI Controller
[1022:7814], the second hotplugging will experience the USB 3.0 pen
drive is recognized as high-speed device. After bisecting the kernel,
I found the commit number 41e7e056cd
(USB: Allow USB 3.0 ports to be disabled.) causes the bug. After doing
some experiments, the bug can be fixed by avoiding executing the function
hub_usb3_port_disable(). Because the port status with [AMD] FCH USB
XHCI Controlleris [1022:7814] is already in RxDetect
(I tried printing out the port status before setting to Disabled state),
it's reasonable to check the port status before really executing
hub_usb3_port_disable().

Fixes: 41e7e056cd (USB: Allow USB 3.0 ports to be disabled.)
Signed-off-by: Gavin Guo <gavin.guo@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-17 17:14:01 -07:00
..
buffer.c
config.c Merge 3.14-rc6 into usb-next 2014-03-12 11:40:15 -07:00
devices.c
devio.c USB patches for 3.15-rc1 2014-04-01 17:06:09 -07:00
driver.c USB: Avoid runtime suspend loops for HCDs that can't handle suspend/resume 2014-05-24 04:06:00 +09:00
endpoint.c
file.c
generic.c
hcd-pci.c usb: remove redundant D0 power state set 2014-05-27 15:18:48 -07:00
hcd.c usb: introduce port status lock 2014-05-27 16:51:50 -07:00
hub.c usb: Check if port status is equal to RxDetect 2014-07-17 17:14:01 -07:00
hub.h usb: fix hub-port pm_runtime_enable() vs runtime pm transitions 2014-06-17 17:04:39 -07:00
Kconfig usb: common: rename phy-fsm-usb.c to usb-otg-fsm.c 2014-05-27 15:29:44 -07:00
Makefile
message.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-04-02 16:23:38 -07:00
notify.c
otg_whitelist.h
port.c usb: fix hub-port pm_runtime_enable() vs runtime pm transitions 2014-06-17 17:04:39 -07:00
quirks.c usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e 2014-03-07 11:46:51 -08:00
sysfs.c
urb.c
usb-acpi.c usb: find internal hub tier mismatch via acpi 2014-05-27 16:38:52 -07:00
usb.c
usb.h usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y 2014-05-27 16:51:51 -07:00