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Fix the more_trbs_coming field of queue_trb() in isoc transfer.
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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When xhci_discover_or_reset_device() is called after a host controller
power loss, the virtual device may need to be reallocated. Make sure
xhci_alloc_dev() uses GFP_NOIO. This avoid causing a deadlock by allowing
the kernel to flush pending I/O while reallocating memory for a virtual
device for a USB mass storage device that's holding the backing store for
dirty memory buffers.
This patch should be queued for the 2.6.37 stable tree.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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When there's an xHCI host power loss after a suspend from memory, the USB
core attempts to reset and verify the USB devices that are attached to the
system. The xHCI driver has to reallocate those devices, since the
hardware lost all knowledge of them during the power loss.
When a hub is plugged in, and the host loses power, the xHCI hardware
structures are not updated to say the device is a hub. This is usually
done in hub_configure() when the USB hub is detected. That function is
skipped during a reset and verify by the USB core, since the core restores
the old configuration and alternate settings, and the hub driver has no
idea this happened. This bug makes the xHCI host controller reject the
enumeration of low speed devices under the resumed hub.
Therefore, make the USB core re-setup the internal xHCI hub device
information by calling update_hub_device() when hub_activate() is called
for a hub reset resume. After a host power loss, all devices under the
roothub get a reset-resume or a disconnect.
This patch should be queued for the 2.6.37 stable tree.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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when unloading xhci_hcd, I got:
[ 134.856813] xhci_hcd 0000:02:00.0: remove, state 4
[ 134.858140] usb usb3: USB disconnect, address 1
[ 134.874956] xhci_hcd 0000:02:00.0: Host controller not halted, aborting reset.
[ 134.876351] BUG: sleeping function called from invalid context at kernel/mutex.c:85
[ 134.877657] in_atomic(): 0, irqs_disabled(): 1, pid: 1451, name: modprobe
[ 134.878975] Pid: 1451, comm: modprobe Not tainted 2.6.37-rc5+ #162
[ 134.880298] Call Trace:
[ 134.881602] [<ffffffff8104156a>] __might_sleep+0xeb/0xf0
[ 134.882921] [<ffffffff814763dc>] mutex_lock+0x24/0x50
[ 134.884229] [<ffffffff810a745c>] free_desc+0x2e/0x5f
[ 134.885538] [<ffffffff810a74c8>] irq_free_descs+0x3b/0x71
[ 134.886853] [<ffffffff8102584d>] free_irq_at+0x31/0x36
[ 134.888167] [<ffffffff8102723f>] destroy_irq+0x69/0x71
[ 134.889486] [<ffffffff8102747a>] native_teardown_msi_irq+0xe/0x10
[ 134.890820] [<ffffffff8124c382>] default_teardown_msi_irqs+0x57/0x80
[ 134.892158] [<ffffffff8124be46>] free_msi_irqs+0x8b/0xe9
[ 134.893504] [<ffffffff8124cd46>] pci_disable_msix+0x35/0x39
[ 134.894844] [<ffffffffa01b444a>] xhci_cleanup_msix+0x31/0x51 [xhci_hcd]
[ 134.896186] [<ffffffffa01b4b3a>] xhci_stop+0x3a/0x80 [xhci_hcd]
[ 134.897521] [<ffffffff81341dd4>] usb_remove_hcd+0xfd/0x14a
[ 134.898859] [<ffffffff813500ae>] usb_hcd_pci_remove+0x5c/0xc6
[ 134.900193] [<ffffffff8123c606>] pci_device_remove+0x3f/0x91
[ 134.901535] [<ffffffff812e7ea4>] __device_release_driver+0x83/0xd9
[ 134.902899] [<ffffffff812e8571>] driver_detach+0x86/0xad
[ 134.904222] [<ffffffff812e7d56>] bus_remove_driver+0xb2/0xd8
[ 134.905540] [<ffffffff812e8633>] driver_unregister+0x6c/0x74
[ 134.906839] [<ffffffff8123c8e4>] pci_unregister_driver+0x44/0x89
[ 134.908121] [<ffffffffa01b940e>] xhci_unregister_pci+0x15/0x17 [xhci_hcd]
[ 134.909396] [<ffffffffa01bd7d2>] xhci_hcd_cleanup+0xe/0x10 [xhci_hcd]
[ 134.910652] [<ffffffff8107fcd1>] sys_delete_module+0x1ca/0x23b
[ 134.911882] [<ffffffff81123932>] ? path_put+0x22/0x26
[ 134.913104] [<ffffffff8109a800>] ? audit_syscall_entry+0x2c/0x148
[ 134.914333] [<ffffffff8100ac82>] system_call_fastpath+0x16/0x1b
[ 134.915658] xhci_hcd 0000:02:00.0: USB bus 3 deregistered
[ 134.916465] xhci_hcd 0000:02:00.0: PCI INT A disabled
and the same issue when xhci_suspend is invoked. (Note from Sarah: That's
fixed by Andiry's patch before this, by synchronizing the irqs rather than
freeing them on suspend.)
Do not run xhci_cleanup_msix with irq disabled.
This patch should be queued for the 2.6.37 stable tree.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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Synchronize the interrupts instead of free them in xhci_suspend(). This will
prevent a double free when the host is suspended and then the card removed.
Set the flag hcd->msix_enabled when using MSI-X, and check the flag in
suspend_common(). MSI-X synchronization will be handled by xhci_suspend(),
and MSI/INTx will be synchronized in suspend_common().
This patch should be queued for the 2.6.37 stable tree.
Reported-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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The original code that resumed the USB bus on a port status change would
only do so when there was a device connected to the port. If a device was
just disconnected, the event would be queued for khubd, but khubd wouldn't
run. That would leave the connect status change (CSC) bit set.
If a USB device was plugged into that same port, the xHCI host controller
would set the current connect status (CCS) bit. But since the CSC bit was
already set, it would not generate an interrupt for a port status change
event. That would mean the user could "Safely Remove" a device, have the
bus suspend, disconnect the device, re-plug it in, and then the device
would never be enumerated.
Plugging in a different device on another port would cause the bus to
resume, and khubd would notice the re-connected device. Running lsusb
would also resume the bus, leading users to report the problem "went away"
when using diagnostic tools.
The solution is to resume the bus when a port status change event is
received, regardless of the port status.
Thank you very much to Maddog for helping me track down this Heisenbug.
This patch should be queued for the 2.6.37 stable tree.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Jon 'maddog' Hall <maddog@li.org>
Tested-by: Andiry Xu <andiry.xu@amd.com>
Cc: stable@kernel.org
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One of the USB CV MSC tests issues Get Max LUN request with
invalid wIndex (wIndex = 65535) parameter.
Add proper handling to prevent array index out of bounds issue.
Signed-off-by: Maulik Mankad <maulik@ti.com>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan's commit 335f8514f200e63d689113d29cb7253a5c282967 introduced
.carrier_raised function in several drivers. That also means
tty_port_block_til_ready can now suspend the process trying to open the serial
port when Carrier Detect is low and put it into tty_port.open_wait queue. We
need to wake up the process when Carrier Detect goes high and trigger TTY
hangup when CD goes low.
Some of the devices do not report modem status line changes, or at least we
don't understand the status message, so for those we remove .carrier_raised
again.
Signed-off-by: Libor Pechacek <lpechacek@suse.cz>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix a bug where only half the number of endpoints supported by the
hardware are exposed to gadget. If DEN filed in the DCCPARAMS
register has 'N' then 'N' IN endpoints and 'N" OUT endpoints can be
supported. But only 'N' bidirectional endpoints are added to the
gadget ep_list. This patch also ensures that the data and handshake
transactions of previous setup packet are flushed upon a new setup
packet arrival on ep0.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Don't call gadget driver's unbind when bind is failed. Initialize
udc->driver only after gadget driver bind is successful. Otherwise
pull-up can be enabled upon VBUS session even when no gadget is
bounded.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When removing a serial gadget driver, the kernel warning message is outputted.
This patch fixed this issue.
The pch_udc driver did not have disconnection processing of gadget.
Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I found the original patch on the db0fhn repeater wiki (couldn't find the email
of the origial author) I guess it was never commited.
I updated and added some Icom HAM-radio devices to the ftdi driver.
Added extra comments to make clear what devices it are.
Signed-off-by: Pieter Maes <maescool@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for setting CHRGVBUS to workaround a hardware bug on efika mx/sb
boards.
See http://lists.infradead.org/pipermail/linux-arm-kernel/2011-January/037341.html
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 711669e5b80b6f2d88f61ed8a9681f83d8cbd201 fixed port 0 support
for i.MX51 but broke it for (at least) i.MX27 which doesn't have
a usb_phy1 clock but has a pdev->id 0.
Signed-off-by: Eric BĂ©nard <eric@eukrea.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Added 0x0307 device id to support Motorola cables to the pl2303 usb
serial driver. This cable has a modified chip that is a pl2303, but
declares itself as 0307. Fixed by adding the right device id to the
supported devices list, assigning it the code labeled
PL2303_PRODUCT_ID_MOTOROLA.
Signed-off-by: Dario Lombardo <dario.lombardo@libero.it>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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/drivers/usb/serial/option.c: Adding support for Cinterion's HC25, HC28,
HC28J, EU3-E, EU3-P and PH8 by correcting/adding Cinterion's and
Siemens' Vendor IDs as well as Product IDs and USB_DEVICE tuples
Signed-off-by: Nicolaus Colberg <nicolaus.colberg@cinterion.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1443) fixes a bug found in many of the USB serial
drivers: They don't set the .usb_driver field in their
usb_serial_driver structure. This field is needed for assigning
dynamic IDs for device matching.
In addition, starting with the 2.6.37 kernel, the .usb_driver field is
needed for proper autosuspend operation. Without it, attempts to open
the device file will fail.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Dan Williams <dcbw@redhat.com>
CC: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Previously a check was done on an ID register at the base of a CPU's
internal USB registers to determine if system interface regsiters were
present. The check looked for an ID register that had the format
ID[0:5] == ~ID[8:13] as described in the MPC5121 User's Manual to
determine if a MPC5121 or MPC83xx/85xx was being used.
There are two issues with this method:
- The ID register is not defined on the MPC83xx/85xx CPUs, so its
unclear what is being checked on them.
- Newer CPUs such as the P4080 also don't document the ID register, but
do share the same format as the MPC5121. Thus the previous code did
not set 'have_sysif_regs' properly which results in the P4080 not
properly initializing its USB ports.
Using the device tree 'compatible' node is a cleaner way to determine if
'have_sysif_regs' should be set and resolves the USB initialization issue
seen on the P4080.
Tested on a P4080-based system and compile tested on mpc512x_defconfig
with Freescale EHCI driver enabled.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1442) fixes a bug in g_printer: Module parameters should
not be marked "__initdata" if they are accessible in sysfs (i.e., if
the mode value in the module_param() macro is nonzero). Otherwise
attempts to access the parameters will cause addressing violations.
Character-string module parameters must not be marked "__initdata"
if the module can be unloaded, because the kernel needs to access the
parameter variable at unload time in order to free the
dynamically-allocated string.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Roland Kletzing <devzero@web.de>
CC: Craig W. Nadler <craig@nadler.us>
CC: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1441) fixes a bug in g_printer. The gadget driver, char
device number, and class device should be unregistered in reverse
order of registration. As it is now, when the module is unloaded the
class device gets unregistered first, causing a crash when the unbind
method tries to access it.
This fixes Bugzilla #25882.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Roland Kletzing <devzero@web.de>
CC: Craig W. Nadler <craig@nadler.us>
CC: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit ecc1624a2fff45780959efbcb73ace18fdb3c58d (USB: misc: uss720.c: add
another vendor/product ID) duplicated entry in the driver's USB device ID
table. Remove the duplicate.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Cc: Matthieu Castet <castet.matthieu@free.fr>
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1440) fixes a bug in ehci-hcd. ehci->periodic_size is
used to compute the size in a dma_alloc_coherent() call, but then it
gets changed later on. As a result, the corresponding call to
dma_free_coherent() passes a different size from the original
allocation. Fix the problem by adjusting ehci->periodic_size before
carrying out any of the memory allocations.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
CC: David Brownell <david-b@pacbell.net>
CC: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This PCH_UDC driver does not work normally when "Serial gadget" is used.
The receiving data of control transmission (EP0 Control OUT Transaction)
has not received correctly.
This patch fixed this issue.
The following was modified.
- The buffer size.
- The change processing of a receiving buffer
(The temporary buffer and the buffer prepared by gadget).
- The setup processing of a DMA descriptor.
Currently the PCH_UDC driver can work normally with "Serial gadget"
or "File-backed Storage Gadget".
Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The dev->power.async_suspend can only be set at the condition of
dev->power.status is DPM_ON. The dev->power.status will be initialized
as DPM_ON at device_initialize.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds BLOCKING_INIT_NOTIFIER_HEAD in nop_usb_xceiv_probe,
so that we can avoid oops caused by uninitialized
nop->otg.notifier.rwsem which will be touched in otg_register_notifier
path.
Reported-by: Gupta, Ajay Kumar <ajay.gupta@ti.com>
Tested-by: Gupta, Ajay Kumar <ajay.gupta@ti.com>
Cc: Balbi, Felipe <balbi@ti.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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CC: Greg Kroah-Hartman <gregkh@suse.de>
CC: Oliver Neukum <oliver@neukum.org>
CC: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If case of an unknown usb_device_id->driver_info (which could only
occur if the info got corrupted somewhere outside the usbled driver),
a debug message depended on an uninitialized value. This was harmless,
but ugly, and gets fixed with this patch.
Signed-off-by: Melchior FRANZ <mfranz@aon.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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AMD Hudson also needs the same ASPM quirk as SB800
Signed-off-by: Alex He <alex.he@amd.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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On a system with a USB3317 ULPI transceiver the following message
is shown on kernel boot:
ULPI transceiver vendor/product ID 0x0424/0x0006
Found SMSC USB3319 ULPI transceiver.
ULPI integrity check: passed.
The reason is that USB3317 has the same vendor/product ID as USB3319.
Make the ULPI ID generic for the USB331x transceivers.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1438) adds an unusual_devs entry for the MagicPixel
FW_Omega2 chip, used in the CamSport Evo camera. The firmware
incorrectly reports a vendor-specific bDeviceClass.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: <ttkspam@free.fr>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Device ID removed 0x10C4/0x8149 for West Mountain Radio Computerized
Battery Analyzer. This device is actually based on a SiLabs C8051Fxxx,
see http://www.etheus.net/SiUSBXp_Linux_Driver for further info.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Device Ids added for IRZ Automation Teleport SG-10 GSM/GPRS Modem and
DekTec DTA Plus VHF/UHF Booster/Attenuator.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Another CDC-ACM + vendor specific interface layout for the QCDM port.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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external hard drive enclosure
The TrekStor DataStation maxi g.u external hard drive enclosure uses a
JMicron USB to SATA chip which needs the US_FL_IGNORE_RESIDUE flag to work
properly.
Signed-off-by: Richard SchĂĽtz <r.schtz@t-online.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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New device ID added for unusual Cypress ATACB device.
Signed-off-by: Richard SchĂĽtz <r.schtz@t-online.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (26 commits)
staging: r8712u: Add new device IDs
staging: brcm80211: fix suspend/resume issue in brcmsmac
staging: brcm80211: remove assert to avoid panic since 2.6.37 kernel
Staging: iio: Aditional fixpoint formatted output bugfix
staging: usbip: vhci: use urb->dev->portnum to find port
staging: usbip: vhci: handle EAGAIN from SO_RCVTIMEO
staging: usbip: vhci: friendly log messages for connection errors
staging: usbip: vhci: refuse to enqueue for dead connections
staging: usbip: vhci: give back URBs from in-flight unlink requests
staging: usbip: vhci: update reference count for usb_device
staging: usbip: stub: update refcounts for devices and interfaces
staging: tidspbridge: replace mbox callback with notifier_call
staging: comedi: ni_labpc: Use shared IRQ for PCMCIA card
Staging: speakup: &&/|| confusion in silent_store()
iio: Fixpoint formatted output bugfix
staging: rt2860: Fix incorrect netif_stop_queue usage warning
staging: r8712u: Fix memory leak in firmware loading
staging: tidspbridge: configure full L1 MMU range
staging: rt2870sta: Add ID for Linksys WUSB100v2
Staging: xgfib: put parenthesis in the right place
...
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This patch adds several new device ids to the r8712u staging driver.
The new ids were retrieved from latest vendor driver (v2.6.6.0.20101111)
downloadable from www.realtek.com.tw
Signed-off-by: Axel Koellhofer <AxelKoellhofer@web.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@kernel.org> [2.6.37]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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PCI PM suspend callback took down the interface and resume brought
it back up. In the mac80211 context this is done in subsequent calls.
Rework implementation so that suspend only stores config, and sets
PCI power state. The resume return to full power state (D0), restores
the config, and brings hardware back up. Full bringup is done by
subsequent mac80211 calls.
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The driver assumed it would receive skb packets from MAC80211 which
are not cloned. To guard this assumption an assert was placed in
the transmit routine. As of kernel 2.6.37 it turns out MAC80211 does
pass skb packets that are cloned. The assert is also not needed as
it does not lead to a failure state in our driver when the packet is
cloned. Therefore the assert can safely be removed.
> commit f8a0a781488ec7288d1049e5d2022850aa98f7b6
> Author: Felix Fietkau <nbd@openwrt.org>
> Date: Sat Dec 18 19:30:50 2010 +0100
>
> mac80211: fix potentially redundant skb data copying
>
> When an skb is shared, it needs to be duplicated, along with its data
> If the skb does not have enough headroom, using skb_copy might cause t
> buffer to be copied twice (once by skb_copy and once by pskb_expand_he
> Fix this by using skb_clone initially and letting ieee80211_skb_resize
> out the rest.
>
> Signed-off-by: Felix Fietkau <nbd@openwrt.org>
> Signed-off-by: John W. Linville <linville@tuxdriver.com>
>
Acked-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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iio: Additional fixpoint formatted output bugfixes
Fix some ADC/DAC drivers' _scale interface to correct fixpoint formatted output
This patch adds the fixes to ad7887_core.c and ad5446.c
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The access to pending_port was racy when two devices
were being attached at the same time.
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If there is a receive timeout without any active
requests, we can tell the connection was idle and
ignore the timeout.
If there are active requests for which we expect
to receive a reply we close the connection.
This makes it possible to set an upper bound on
the time a usbip device may be unresponsive.
This is a workaround for the lack of heart-beat
messages in the USBIP protocol.
Extending the protocol would break compatibility
with all previous stub versions, so this seems like
the lesser evil.
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Also changes the event on connection close to be
VDEV_EVENT_DOWN - no functional change.
Signed-off-by: Max Vozeler <max@vozeler.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There can be requests to enqueue URBs while we are shutting
down a connection.
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If we never received a RET_UNLINK because the TCP
connection broke the pending URBs still need to be
unlinked and given back.
Previously processes would be stuck trying to kill
the URB even after the device was detached.
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This fixes an oops observed when reading status during
removal of a device:
[ 1706.648285] general protection fault: 0000 [#1] SMP
[ 1706.648294] last sysfs file: /sys/devices/platform/vhci_hcd/status
[ 1706.648297] CPU 1
[ 1706.648300] Modules linked in: binfmt_misc microcode fuse loop vhci_hcd(N) usbip(N) usbcore usbip_common_mod(N) rtc_core rtc_lib joydev dm_mirror dm_region_hash dm_log linear dm_snapshot xennet dm_mod ext3 mbcache jbd processor thermal_sys hwmon xenblk cdrom
[ 1706.648324] Supported: Yes
[ 1706.648327] Pid: 10422, comm: usbip Tainted: G N 2.6.32.12-0.7-xen #1
[ 1706.648330] RIP: e030:[<ffffffff801b10d5>] [<ffffffff801b10d5>] strnlen+0x5/0x40
[ 1706.648340] RSP: e02b:ffff8800a994dd30 EFLAGS: 00010286
[ 1706.648343] RAX: ffffffff80481ec1 RBX: 0000000000000000 RCX: 0000000000000002
[ 1706.648347] RDX: 00200d1d4f1c001c RSI: ffffffffffffffff RDI: 00200d1d4f1c001c
[ 1706.648350] RBP: ffff880129a1c0aa R08: ffffffffa01901c4 R09: 0000000000000006
[ 1706.648353] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800a9a1c0ab
[ 1706.648357] R13: 00200d1d4f1c001c R14: 00000000ffffffff R15: ffff880129a1c0aa
[ 1706.648363] FS: 00007f2f2e9ca700(0000) GS:ffff880001018000(0000) knlGS:0000000000000000
[ 1706.648367] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1706.648370] CR2: 000000000071b048 CR3: 00000000b4b68000 CR4: 0000000000002660
[ 1706.648374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1706.648378] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 1706.648381] Process usbip (pid: 10422, threadinfo ffff8800a994c000, task ffff88007b170200)
[ 1706.648385] Stack:
[ 1706.648387] ffffffff801b28c9 0000000000000002 ffffffffa01901c4 ffff8800a9a1c0ab
[ 1706.648391] <0> ffffffffa01901c6 ffff8800a994de08 ffffffff801b339b 0000000000000004
[ 1706.648397] <0> 0000000affffffff ffffffffffffffff 00000000000067c0 0000000000000000
[ 1706.648404] Call Trace:
[ 1706.648413] [<ffffffff801b28c9>] string+0x39/0xe0
[ 1706.648419] [<ffffffff801b339b>] vsnprintf+0x1eb/0x620
[ 1706.648423] [<ffffffff801b3813>] sprintf+0x43/0x50
[ 1706.648429] [<ffffffffa018d719>] show_status+0x1b9/0x220 [vhci_hcd]
[ 1706.648438] [<ffffffff8024a2b7>] dev_attr_show+0x27/0x60
[ 1706.648445] [<ffffffff80144821>] sysfs_read_file+0x101/0x1d0
[ 1706.648451] [<ffffffff800da4a7>] vfs_read+0xc7/0x130
[ 1706.648457] [<ffffffff800da613>] sys_read+0x53/0xa0
[ 1706.648462] [<ffffffff80007458>] system_call_fastpath+0x16/0x1b
[ 1706.648468] [<00007f2f2de40f30>] 0x7f2f2de40f30
[ 1706.648470] Code: 66 0f 1f 44 00 00 48 83 c2 01 80 3a 00 75 f7 48 89 d0 48 29 f8 f3 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 74 29 <80> 3f 00 74 24 48 8d 56 ff 48 89 f8 eb 0e 0f 1f 44 00 00 48 83
[ 1706.648507] RIP [<ffffffff801b10d5>] strnlen+0x5/0x40
[ 1706.648511] RSP <ffff8800a994dd30>
[ 1706.649575] ---[ end trace b4eb72bf2e149593 ]---
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The stub driver expects to access the usb interface
and usb device structures even if the device has been
disconnected in the meantime.
This change gets a reference to them in the stub probe
function using usb_get_intf()/usb_get_dev() and drops them
in the disconnect function.
This fixes an oops observed with a Logic Controls Line
display (0fa8:a030) which disconnects itself when it is
reset:
[ 1348.562274] BUG: unable to handle kernel paging request at 5f7433e5
[ 1348.562327] IP: [<c0393b02>] usb_lock_device_for_reset+0x22/0xd0
[ 1348.562374] *pde = 00000000
[ 1348.562397] Oops: 0000 [#1]
[ 1348.562418] last sysfs file: /sys/devices/pci0000:00/0000:00:10.2/usb4/4-1/bConfigurationValue
[ 1348.562454] Modules linked in: usbip vhci_hcd usbip_common_mod fbcon tileblit font bitblit softcursor serio_raw uvesafb pcspkr via_rng snd_via82xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_oss snd_seq_midi_event snd_seq snd_timer snd_seq_device snd usbhid hid via_rhine soundcore mii igel_flash aufs pata_via
[ 1348.562649]
[ 1348.562670] Pid: 2855, comm: usbip_eh Not tainted (2.6.32 #23.37-ud-r113) M300C
[ 1348.562704] EIP: 0060:[<c0393b02>] EFLAGS: 00010216 CPU: 0
[ 1348.562734] EIP is at usb_lock_device_for_reset+0x22/0xd0
[ 1348.562762] EAX: 5f7433cd EBX: 5f7433cd ECX: de293a5c EDX: dd326a00
[ 1348.562793] ESI: 5f7433cd EDI: 000400f6 EBP: cf43ff48 ESP: cf43ff38
[ 1348.562824] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 1348.562854] Process usbip_eh (pid: 2855, ti=cf43e000 task=d2c7f230 task.ti=cf43e000)
[ 1348.562884] Stack:
[ 1348.562900] d6ec9960 de2939cc 5f7433cd 5f743431 cf43ff70 df8fd32f de2939cc d2c7f230
[ 1348.562940] <0> cf43ff70 00000282 00000282 de2939cc d2c7f230 d2c7f230 cf43ffa8 df84416d
[ 1348.562987] <0> cf43ff88 d2c7f230 de293a24 d2c7f230 00000000 d2c7f230 c014e760 cf43ff94
[ 1348.563042] Call Trace:
[ 1348.563073] [<df8fd32f>] ? stub_device_reset+0x3f/0x110 [usbip]
[ 1348.563114] [<df84416d>] ? event_handler_loop+0xcd/0xe8 [usbip_common_mod]
[ 1348.563156] [<c014e760>] ? autoremove_wake_function+0x0/0x50
[ 1348.563193] [<df843d80>] ? usbip_thread+0x0/0x60 [usbip_common_mod]
[ 1348.563230] [<df843dd1>] ? usbip_thread+0x51/0x60 [usbip_common_mod]
[ 1348.563265] [<c014e374>] ? kthread+0x74/0x80
[ 1348.563294] [<c014e300>] ? kthread+0x0/0x80
[ 1348.563326] [<c0103c47>] ? kernel_thread_helper+0x7/0x10
[ 1348.563351] Code: 00 e8 73 4d 00 00 5d c3 90 55 89 e5 83 ec 10 89 5d f4 89 75 f8 89 7d fc 0f 1f 44 00 00 8b 3d c0 2e 67 c0 81 c7 fa 00 00 00 89 c3 <8b> 40 18 89 d6 85 c0 75 15 b8 ed ff ff ff 8b 5d f4 8b 75 f8 8b
[ 1348.563528] EIP: [<c0393b02>] usb_lock_device_for_reset+0x22/0xd0 SS:ESP 0068:cf43ff38
[ 1348.563570] CR2: 000000005f7433e5
[ 1348.563593] ---[ end trace 9c3f1e3a2e5299d9 ]---
Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Tested-by: Steven Harms <sharms@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Lately, mailbox callbacks have been replaced by notifier block
call chains, this needs to be changed in the users of mailbox,
otherwise compilation will break due to missing parameters.
For this new change to work, io_mbox_msg needs to be compatible
with the notifier_call definition.
Reported-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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