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  1. 17 Feb, 2011 4 commits
    • Luben Tuikov's avatar
      USB: Reset USB 3.0 devices on (re)discovery · 637d11bf
      Luben Tuikov authored 
      If the device isn't reset, the XHCI HCD sends
SET ADDRESS to address 0 while the device is
already in Addressed state, and the request is
dropped on the floor as it is addressed to the
default address. This sequence of events, which this
patch fixes looks like this:

usb_reset_and_verify_device()
	hub_port_init()
		hub_set_address()
			SET_ADDRESS to 0 with 1
		usb_get_device_descriptor(udev, 8)
		usb_get_device_descriptor(udev, 18)
	descriptors_changed() --> goto re_enumerate:
		hub_port_logical_disconnect()
			kick_khubd()

And then:

hub_events()
	hub_port_connect_change()
		usb_disconnect()
			usb_disable_device()
		new device struct
		sets device state to Powered
		choose_address()
		hub_port_init() <-- no reset, but SET ADDRESS to 0 with 1, timeout!

The solution is to always reset the device in
hub_port_init() to put it in a known state.
Signed-off-by: default avatarLuben Tuikov <ltuikov@yahoo.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      637d11bf
    • Maciej Szmigiero's avatar
      USB: Add quirk for Samsung Android phone modem · 72a012ce
      Maciej Szmigiero authored 
      My Galaxy Spica needs this quirk when in modem mode, otherwise
it causes endless USB bus resets and is unusable in this mode.

Unfortunately Samsung decided to reuse ID of its old CDMA phone SGH-I500
for the modem part.
That's why in addition to this patch the visor driver must be prevented
from binding to SPH-I500 ID, so ACM driver can do that.
Signed-off-by: default avatarMaciej Szmigiero <mhej@o2.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      72a012ce
    • Maciej Szmigiero's avatar
      USB: Add Samsung SGH-I500/Android modem ID switch to visor driver · acb52cb1
      Maciej Szmigiero authored 
      [USB]Add Samsung SGH-I500/Android modem ID switch to visor driver

Samsung decided to reuse USB ID of its old CDMA phone SGH-I500 for the
modem part of some of their Android phones. At least Galaxy Spica
is affected.

This modem needs ACM driver and does not work with visor driver which
binds the conflicting ID for SGH-I500.
Because SGH-I500 is pretty an old hardware its best to add switch to
visor
driver in cause somebody still wants to use that phone with Linux.

Note that this is needed only when using the Android phone as modem,
not in USB storage or ADB mode.
Signed-off-by: default avatarMaciej Szmigiero <mhej@o2.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      acb52cb1
    • Alan Stern's avatar
      USB: add quirks entry for Keytouch QWERTY Panel · 3c18e30f
      Alan Stern authored 
      This patch (as1448) adds a quirks entry for the Keytouch QWERTY Panel
firmware, used in the IEC 60945 keyboard.  This device crashes during
enumeration when the computer asks for its configuration string
descriptor.
Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Tested-by: default avatarkholis <nur.kholis.majid@gmail.com>
CC: <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      3c18e30f
  3. 16 Feb, 2011 2 commits
  5. 15 Feb, 2011 31 commits
  7. 14 Feb, 2011 3 commits
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