linux-toradex.git/drivers/usb/class, branch v3.15-rc7

USB: cdc-acm: Remove Motorola/Telit H24 serial interfaces from ACM driver

2014-04-16T21:03:40+00:00

By specifying NO_UNION_NORMAL the ACM driver does only use the first two
USB interfaces (modem data & control). The AT Port, Diagnostic and NMEA
interfaces are left to the USB serial driver.

Signed-off-by: Michael Ulbricht 
Signed-off-by: Alexander Stein 
Signed-off-by: Oliver Neukum 
Cc: stable 
Signed-off-by: Greg Kroah-Hartman

USB: cdc-acm: fix double usb_autopm_put_interface() in acm_port_activate()

2014-04-16T20:56:08+00:00

If acm_submit_read_urbs() fails in acm_port_activate(), error handling
code calls usb_autopm_put_interface() while it is already called
before acm_submit_read_urbs(). The patch reorganizes error handling code
to avoid double decrement of USB interface's PM-usage counter.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

usb: cdc-wdm: resp_count can be 0 even if WDM_READ is set

2014-01-13T04:13:28+00:00

Do not decrement resp_count if it's already 0.

We set resp_count to 0 when the device is closed.  The next open and
read will try to clear the WDM_READ flag if there was leftover data
in the read buffer. This fix is necessary to prevent resubmitting
the read URB in a tight loop because resp_count becomes negative.

The bug can easily be triggered from userspace by not reading all
data in the read buffer, and then closing and reopening the chardev.

Fixes: 8dd5cd5395b9 ("usb: cdc-wdm: avoid hanging on zero length reads")
Cc:  # 3.13
Signed-off-by: Bjørn Mork 
Signed-off-by: Greg Kroah-Hartman

usb: delete non-required instances of include

2014-01-08T23:01:39+00:00

None of these files are actually using any __init type directives
and hence don't need to include .  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Signed-off-by: Paul Gortmaker 
Signed-off-by: Greg Kroah-Hartman

Merge 3.13-rc5 into usb-next

2013-12-24T18:18:03+00:00

This resolves the merge issue with drivers/usb/host/ohci-at91.c

Signed-off-by: Greg Kroah-Hartman

usb: cdc-wdm: avoid hanging on zero length reads

2013-12-20T20:06:46+00:00

commit 73e06865ead1 ("USB: cdc-wdm: support back-to-back
USB_CDC_NOTIFY_RESPONSE_AVAILABLE notifications") implemented
queued response handling. This added a new requirement: The read
urb must be resubmitted every time we clear the WDM_READ flag if
the response counter indicates that the device is waiting for a
read.

Fix by factoring out the code handling the WMD_READ clearing and
possible urb submission, calling it everywhere we clear the flag.

Without this fix, the driver ends up in a state where the read urb
is inactive, but the response counter is positive after a zero
length read.  This prevents the read urb from ever being submitted
again and the driver appears to be hanging.

Fixes: 73e06865ead1 ("USB: cdc-wdm: support back-to-back USB_CDC_NOTIFY_RESPONSE_AVAILABLE notifications")
Cc: Greg Suarez 
Signed-off-by: Bjørn Mork 
Cc: stable  # 3.13
Signed-off-by: Greg Kroah-Hartman

Merge branch 3.13-rc4 into usb-next

2013-12-16T16:46:03+00:00

usb: cdc-wdm: manage_power should always set needs_remote_wakeup

2013-12-09T21:14:11+00:00

Cc: stable 
Reported-by: Oliver Neukum 
Signed-off-by: Bjørn Mork 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

USB: cdc-acm: Added support for the Lenovo RD02-D400 USB Modem

2013-12-05T00:53:03+00:00

Signed-off-by: David Cluytens 
Cc: stable 
Signed-off-by: Greg Kroah-Hartman

cdc-acm: fix power management in ioctl

2013-12-03T18:23:46+00:00

An ioctl that does depends on communication with a device should
prevent suspension of teh device.

Signed-off-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman