The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.
So update the linux SCSI stack to use 64-bit LUN numbers.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Obsolete; either use 'max_lun' if the host supports only a
limited number of LUNs or BLIST_NOLUN if the target has
problems addressing more than one LUN.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This patch adds PID 0x0003 to the VID 0x128d (Testo). At least the
Testo 435-4 uses this, likely other gear as well.
Signed-off-by: Bert Vermeulen <bert@biot.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add ID of the Telewell 4G v2 hardware to option driver to get legacy
serial interface working
Signed-off-by: Bernd Wachter <bernd.wachter@jolla.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Corsair USB Dongles are shipped with Corsair AXi series PSUs.
These are cp210x serial usb devices, so make driver detect these.
I have a program, that can get information from these PSUs.
Tested with 2 different dongles shipped with Corsair AX860i and
AX1200i units.
Signed-off-by: Andras Kovacs <andras@sth.sze.hu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
We need to delete un-finished td from current request's td list
at ep_dequeue API, otherwise, this non-user td will be remained
at td list before this request is freed. So if we do ep_queue->
ep_dequeue->ep_queue sequence, when the complete interrupt for
the second ep_queue comes, we search td list for this request,
the first td (added by the first ep_queue) will be handled, and
its status is still active, so we will consider the this transfer
still not be completed, but in fact, it has completed. It causes
the peripheral side considers it never receives current data for
this transfer.
We met this problem when do "Error Recovery Test - Device Configured"
test item for USBCV2 MSC test, the host has never received ACK for
the IN token for CSW due to peripheral considers it does not get this
CBW, the USBCV test log like belows:
--------------------------------------------------------------------------
INFO
Issuing BOT MSC Reset, reset should always succeed
INFO
Retrieving status on CBW endpoint
INFO
CBW endpoint status = 0x0
INFO
Retrieving status on CSW endpoint
INFO
CSW endpoint status = 0x0
INFO
Issuing required command (Test Unit Ready) to verify device has recovered
INFO
Issuing CBW (attempt #1):
INFO
|----- CBW LUN = 0x0
INFO
|----- CBW Flags = 0x0
INFO
|----- CBW Data Transfer Length = 0x0
INFO
|----- CBW CDB Length = 0x6
INFO
|----- CBW CDB-00 = 0x0
INFO
|----- CBW CDB-01 = 0x0
INFO
|----- CBW CDB-02 = 0x0
INFO
|----- CBW CDB-03 = 0x0
INFO
|----- CBW CDB-04 = 0x0
INFO
|----- CBW CDB-05 = 0x0
INFO
Issuing CSW : try 1
INFO
CSW Bulk Request timed out!
ERROR
Failed CSW phase : should have been success or stall
FAIL
(5.3.4) The CSW status value must be 0x00, 0x01, or 0x02.
ERROR
BOTCommonMSCRequest failed: error=80004000
Cc: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch makes the msm ehci driver available to use on QCOM SOCs,
which have the same IP.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some buggy JMicron USB-ATA bridges don't know how to translate the FUA
bit in READs or WRITEs. This patch adds an entry in unusual_devs.h
and a blacklist flag to tell the sd driver not to use FUA.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Michael Büsch <m@bues.ch>
Tested-by: Michael Büsch <m@bues.ch>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A few more fixes for this RC cycle. There's a revert of a previous patch
which ended up being the wrong version, so we reverted that commit and
applied a better fix.
CPPI41 got a race condition fix which was found by Thomas Gleixner.
The MSM PHY driver got a runtime pm usage fix so that it wouldn't
kill the PHY while it was still being used.
We also have a fix for a panic caused when removing musb_am335x driver.
Other than that, a few other minor fixes.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.16-rc4
A few more fixes for this RC cycle. There's a revert of a previous patch
which ended up being the wrong version, so we reverted that commit and
applied a better fix.
CPPI41 got a race condition fix which was found by Thomas Gleixner.
The MSM PHY driver got a runtime pm usage fix so that it wouldn't
kill the PHY while it was still being used.
We also have a fix for a panic caused when removing musb_am335x driver.
Other than that, a few other minor fixes.
Signed-of-by: Felipe Balbi <balbi@ti.com>
commit 943c13971c "usb: musb: dsps: implement ->set_mode()"
should have made it possible to use the driver with boards that have
the USBID pin unconnected. This doesn't actually work, since the
driver uses the wrong base address to access the mode register.
Furthermore it uses different base addresses in different places to
access the same register (phy_utmi).
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Use case is when the phy is configured in host mode and a usb device is
attached to board before bootup. On bootup, with the existing code and
runtime pm enabled, the driver would decrement the pm usage count
without checking the current state of the phy. This pm usage count
decrement would trigger the runtime pm which than would abort the
usb enumeration which was in progress. In my case a usb stick gets
detected and then immediatly the driver goes to low power mode which is
not correct.
log:
[ 1.631412] msm_hsusb_host 12520000.usb: EHCI Host Controller
[ 1.636556] msm_hsusb_host 12520000.usb: new USB bus registered, assigned bus number 1
[ 1.642563] msm_hsusb_host 12520000.usb: irq 220, io mem 0x12520000
[ 1.658197] msm_hsusb_host 12520000.usb: USB 2.0 started, EHCI 1.00
[ 1.659473] hub 1-0:1.0: USB hub found
[ 1.663415] hub 1-0:1.0: 1 port detected
...
[ 1.973352] usb 1-1: new high-speed USB device number 2 using msm_hsusb_host
[ 2.107707] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 2.108993] scsi0 : usb-storage 1-1:1.0
[ 2.678341] msm_otg 12520000.phy: USB in low power mode
[ 3.168977] usb 1-1: USB disconnect, device number 2
This issue was detected on IFC6410 board.
This patch fixes the intial runtime pm trigger by checking the phy
state and decrementing the pm use count only when the phy state is IDLE.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Here are some USB-serial updates for v3.16-rc3 that fix a reported
NULL-pointer dereference and add some new device IDs.
Included is also two changes to MAINTAINERS dropping individual
maintainership for two small sub-drivers and updating an email address.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v3.16-rc3
Here are some USB-serial updates for v3.16-rc3 that fix a reported
NULL-pointer dereference and add some new device IDs.
Included is also two changes to MAINTAINERS dropping individual
maintainership for two small sub-drivers and updating an email address.
Signed-off-by: Johan Hovold <johan@kernel.org>
Some TI chips raise the DMA complete interrupt before the actual
transfer has been completed. The code tries to busy wait for a few
microseconds and if that fails it arms an hrtimer to recheck. So far
so good, but that has the following issue:
CPU 0 CPU1
start_next_transfer(RQ1);
DMA interrupt
if (premature_irq(RQ1))
if (!hrtimer_active(timer))
hrtimer_start(timer);
hrtimer expires
timer->state = CALLBACK_RUNNING;
timer->fn()
cppi41_recheck_tx_req()
complete_request(RQ1);
if (requests_pending())
start_next_transfer(RQ2);
DMA interrupt
if (premature_irq(RQ2))
if (!hrtimer_active(timer))
hrtimer_start(timer);
timer->state = INACTIVE;
The premature interrupt of request2 on CPU1 does not arm the timer and
therefor the request completion never happens because it checks for
!hrtimer_active(). hrtimer_active() evaluates:
timer->state != HRTIMER_STATE_INACTIVE
which of course evaluates to true in the above case as timer->state is
CALLBACK_RUNNING.
That's clearly documented:
* A timer is active, when it is enqueued into the rbtree or the
* callback function is running or it's in the state of being migrated
* to another cpu.
But that's not what the code wants to check. The code wants to check
whether the timer is queued, i.e. whether its armed and waiting for
expiry.
We have a helper function for this: hrtimer_is_queued(). This
evaluates:
timer->state & HRTIMER_STATE_QUEUED
So in the above case this evaluates to false and therefor forces the
DMA interrupt on CPU1 to call hrtimer_start().
Use hrtimer_is_queued() instead of hrtimer_active() and evrything is
good.
Reported-by: Torben Hohn <torbenh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
The value 0x3 (not 0x11) in the field for additional transaction/microframe
is reserved and should not be let through. Be clear in the error message about
what value caused the error return.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
At probe time, the musb_am335x driver register its childs by
calling of_platform_populate(), which registers all childs in
the devicetree hierarchy recursively.
On the other side, the driver's remove() function uses of_device_unregister()
to remove each child of musb_am335x's.
However, when musb_dsps is loaded, its devices are attached to the musb_am335x
device as musb_am335x childs. Hence, musb_am335x remove() will attempt to
unregister the devices registered by musb_dsps, which produces a kernel panic.
In other words, the childs in the "struct device" hierarchy are not the same
as the childs in the "devicetree" hierarchy.
Ideally, we should enforce the removal of the devices registered by
musb_am335x *only*, instead of all its child devices. However, because of the
recursive nature of of_platform_populate, this doesn't seem possible.
Therefore, as the only solution at hand, this commit disables musb_am335x
driver removal capability, preventing it from being ever removed. This was
originally suggested by Sebastian Siewior:
https://www.mail-archive.com/linux-omap@vger.kernel.org/msg104946.html
And for reference, here's the panic upon module removal:
musb-hdrc musb-hdrc.0.auto: remove, state 4
usb usb1: USB disconnect, device number 1
musb-hdrc musb-hdrc.0.auto: USB bus 1 deregistered
Unable to handle kernel NULL pointer dereference at virtual address 0000008c
pgd = de11c000
[0000008c] *pgd=9e174831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] ARM
Modules linked in: musb_am335x(-) musb_dsps musb_hdrc usbcore usb_common
CPU: 0 PID: 623 Comm: modprobe Not tainted 3.15.0-rc4-00001-g24efd13 #69
task: de1b7500 ti: de122000 task.ti: de122000
PC is at am335x_shutdown+0x10/0x28
LR is at am335x_shutdown+0xc/0x28
pc : [<c0327798>] lr : [<c0327794>] psr: a0000013
sp : de123df8 ip : 00000004 fp : 00028f00
r10: 00000000 r9 : de122000 r8 : c000e6c4
r7 : de0e3c10 r6 : de0e3800 r5 : de624010 r4 : de1ec750
r3 : de0e3810 r2 : 00000000 r1 : 00000001 r0 : 00000000
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c5387d Table: 9e11c019 DAC: 00000015
Process modprobe (pid: 623, stack limit = 0xde122240)
Stack: (0xde123df8 to 0xde124000)
3de0: de0e3810 bf054488
3e00: bf05444c de624010 60000013 bf043650 000012fc de624010 de0e3810 bf043a20
3e20: de0e3810 bf04b240 c0635b88 c02ca37c c02ca364 c02c8db0 de1b7500 de0e3844
3e40: de0e3810 c02c8e28 c0635b88 de02824c de0e3810 c02c884c de0e3800 de0e3810
3e60: de0e3818 c02c5b20 bf05417c de0e3800 de0e3800 c0635b88 de0f2410 c02ca838
3e80: bf05417c de0e3800 bf055438 c02ca8cc de0e3c10 bf054194 de0e3c10 c02ca37c
3ea0: c02ca364 c02c8db0 de1b7500 de0e3c44 de0e3c10 c02c8e28 c0635b88 de02824c
3ec0: de0e3c10 c02c884c de0e3c10 de0e3c10 de0e3c18 c02c5b20 de0e3c10 de0e3c10
3ee0: 00000000 bf059000 a0000013 c02c5bc0 00000000 bf05900c de0e3c10 c02c5c48
3f00: de0dd0c0 de1ec970 de0f2410 bf05929c de0f2444 bf05902c de0f2410 c02ca37c
3f20: c02ca364 c02c8db0 bf05929c de0f2410 bf05929c c02c94c8 bf05929c 00000000
3f40: 00000800 c02c8ab4 bf0592e0 c007fc40 c00dd820 6273756d 336d615f 00783533
3f60: c064a0ac de1b7500 de122000 de1b7500 c000e590 00000001 c000e6c4 c0060160
3f80: 00028e70 00028e70 00028ea4 00000081 60000010 00028e70 00028e70 00028ea4
3fa0: 00000081 c000e500 00028e70 00028e70 00028ea4 00000800 becb59f8 00027608
3fc0: 00028e70 00028e70 00028ea4 00000081 00000001 00000001 00000000 00028f00
3fe0: b6e6b6f0 becb59d4 000160e8 b6e6b6fc 60000010 00028ea4 00000000 00000000
[<c0327798>] (am335x_shutdown) from [<bf054488>] (dsps_musb_exit+0x3c/0x4c [musb_dsps])
[<bf054488>] (dsps_musb_exit [musb_dsps]) from [<bf043650>] (musb_shutdown+0x80/0x90 [musb_hdrc])
[<bf043650>] (musb_shutdown [musb_hdrc]) from [<bf043a20>] (musb_remove+0x24/0x68 [musb_hdrc])
[<bf043a20>] (musb_remove [musb_hdrc]) from [<c02ca37c>] (platform_drv_remove+0x18/0x1c)
[<c02ca37c>] (platform_drv_remove) from [<c02c8db0>] (__device_release_driver+0x70/0xc8)
[<c02c8db0>] (__device_release_driver) from [<c02c8e28>] (device_release_driver+0x20/0x2c)
[<c02c8e28>] (device_release_driver) from [<c02c884c>] (bus_remove_device+0xdc/0x10c)
[<c02c884c>] (bus_remove_device) from [<c02c5b20>] (device_del+0x104/0x198)
[<c02c5b20>] (device_del) from [<c02ca838>] (platform_device_del+0x14/0x9c)
[<c02ca838>] (platform_device_del) from [<c02ca8cc>] (platform_device_unregister+0xc/0x20)
[<c02ca8cc>] (platform_device_unregister) from [<bf054194>] (dsps_remove+0x18/0x38 [musb_dsps])
[<bf054194>] (dsps_remove [musb_dsps]) from [<c02ca37c>] (platform_drv_remove+0x18/0x1c)
[<c02ca37c>] (platform_drv_remove) from [<c02c8db0>] (__device_release_driver+0x70/0xc8)
[<c02c8db0>] (__device_release_driver) from [<c02c8e28>] (device_release_driver+0x20/0x2c)
[<c02c8e28>] (device_release_driver) from [<c02c884c>] (bus_remove_device+0xdc/0x10c)
[<c02c884c>] (bus_remove_device) from [<c02c5b20>] (device_del+0x104/0x198)
[<c02c5b20>] (device_del) from [<c02c5bc0>] (device_unregister+0xc/0x20)
[<c02c5bc0>] (device_unregister) from [<bf05900c>] (of_remove_populated_child+0xc/0x14 [musb_am335x])
[<bf05900c>] (of_remove_populated_child [musb_am335x]) from [<c02c5c48>] (device_for_each_child+0x44/0x70)
[<c02c5c48>] (device_for_each_child) from [<bf05902c>] (am335x_child_remove+0x18/0x30 [musb_am335x])
[<bf05902c>] (am335x_child_remove [musb_am335x]) from [<c02ca37c>] (platform_drv_remove+0x18/0x1c)
[<c02ca37c>] (platform_drv_remove) from [<c02c8db0>] (__device_release_driver+0x70/0xc8)
[<c02c8db0>] (__device_release_driver) from [<c02c94c8>] (driver_detach+0xb4/0xb8)
[<c02c94c8>] (driver_detach) from [<c02c8ab4>] (bus_remove_driver+0x4c/0xa0)
[<c02c8ab4>] (bus_remove_driver) from [<c007fc40>] (SyS_delete_module+0x128/0x1cc)
[<c007fc40>] (SyS_delete_module) from [<c000e500>] (ret_fast_syscall+0x0/0x48)
Fixes: 97238b35d5 ("usb: musb: dsps: use proper child nodes")
Cc: <stable@vger.kernel.org> # v3.12+
Acked-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The system suspend flow as following:
1, Freeze all user processes and kenrel threads.
2, Try to suspend all devices.
2.1, If pci device is in RPM suspended state, then pci driver will try
to resume it to RPM active state in the prepare stage.
2.2, xhci_resume function calls usb_hcd_resume_root_hub to queue two
workqueue items to resume usb2&usb3 roothub devices.
2.3, Call suspend callbacks of devices.
2.3.1, All suspend callbacks of all hcd's children, including
roothub devices are called.
2.3.2, Finally, hcd_pci_suspend callback is called.
Due to workqueue threads were already frozen in step 1, the workqueue
items can't be scheduled, and the roothub devices can't be resumed in
this flow. The HCD_FLAG_WAKEUP_PENDING flag which is set in
usb_hcd_resume_root_hub won't be cleared. Finally,
hcd_pci_suspend will return -EBUSY, and system suspend fails.
The reason why this issue doesn't show up very often is due to that
choose_wakeup will be called in step 2.3.1. In step 2.3.1, if
udev->do_remote_wakeup is not equal to device_may_wakeup(&udev->dev), then
udev will resume to RPM active for changing the wakeup settings. This
has been a lucky hit which hides this issue.
For some special xHCI controllers which have no USB2 port, then roothub
will not match hub driver due to probe failed. Then its
do_remote_wakeup will be set to zero, and we won't be as lucky.
xhci driver doesn't need to resume roothub devices everytime like in
the above case. It's only needed when there are pending event TRBs.
This patch should be back-ported to kernels as old as 3.2, that
contains the commit f69e3120df
"USB: XHCI: resume root hubs when the controller resumes"
Cc: stable@vger.kernel.org # 3.2
Signed-off-by: Wang, Yu <yu.y.wang@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
[use readl() instead of removed xhci_readl(), reword commit message -Mathias]
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When xHCI PCI host is suspended, if do_wakeup is false in xhci_pci_suspend,
xhci_bus_suspend needs to clear all root port wake on bits. Otherwise some Intel
platforms may get a spurious wakeup, even if PCI PME# is disabled.
This patch should be back-ported to kernels as old as 2.6.37, that
contains the commit 9777e3ce90
"USB: xHCI: bus power management implementation".
Cc: stable@vger.kernel.org # 2.6.37
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The transfer burst count (TBC) field in xhci 1.0 hosts should be set
to the number of bursts needed to transfer all packets in a isoc TD.
Supported values are 0-2 (1 to 3 bursts per service interval).
Formula for TBC calculation is given in xhci spec section 4.11.2.3:
TBC = roundup( Transfer Descriptor Packet Count / Max Burst Size +1 ) - 1
This patch should be applied to stable kernels since 3.0 that contain
the commit 5cd43e33b9
"xhci 1.0: Set transfer burst count field."
Cc: stable@vger.kernel.org # 3.0
Suggested-by: ShiChun Ma <masc2008@qq.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Command completion events normally include command completion status,
SLOT_ID, and a pointer to the original command. Reset device command
completion SLOT_ID may be zero according to xhci specs 4.6.11.
VIA controllers set the SLOT_ID to zero, triggering a WARN_ON in the
command completion handler.
Use the SLOT ID found from the original command instead.
This patch should be applied to stable kernels since 3.13 that contain
the commit 20e7acb13f
"xhci: use completion event's slot id rather than dig it out of command"
Cc: stable@vger.kernel.org # 3.13
Reported-by: Saran Neti <sarannmr@gmail.com>
Tested-by: Saran Neti <sarannmr@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dwc3-omap won't crash anymore on module removal and suspend/resume won't kill
xHCI interrupts.
MUSB got a fix to handle Babble condition only in host mode, how it should be.
The f_fs function driver got a fix for a NULL pointer dereference.
Renesas gadget got a fix for Status stage handling.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
usb: fixes for v3.16-rc2
dwc3-omap won't crash anymore on module removal and suspend/resume won't kill
xHCI interrupts.
MUSB got a fix to handle Babble condition only in host mode, how it should be.
The f_fs function driver got a fix for a NULL pointer dereference.
Renesas gadget got a fix for Status stage handling.
Signed-of-by: Felipe Balbi <balbi@ti.com>
Adding a couple of Olivetti modems and blacklisting the net
function on a couple which are already supported.
Reported-by: Lars Melin <larsm17@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix NULL-pointer dereference when probing an interface with no
endpoints.
These devices have two bulk endpoints per interface, but this avoids
crashing the kernel if a user forces a non-FTDI device to be probed.
Note that the iterator variable was made unsigned in order to avoid
a maybe-uninitialized compiler warning for ep_desc after the loop.
Fixes: 895f28badc ("USB: ftdi_sio: fix hi-speed device packet size
calculation")
Reported-by: Mike Remski <mremski@mutualink.net>
Tested-by: Mike Remski <mremski@mutualink.net>
Cc: <stable@vger.kernel.org> # 2.6.31
Signed-off-by: Johan Hovold <johan@kernel.org>
Reported by Alif Mubarak Ahmad:
This device vendor and product id is 1c9e:9800
It is working as serial interface with generic usbserial driver.
I thought it is more suitable to use usbserial option driver, which has
better capability distinguishing between modem serial interface and
micro sd storage interface.
[ johan: style changes ]
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Tested-by: Alif Mubarak Ahmad <alive4ever@live.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
BABBLE and RESET share the same interrupt. The interrupt
is considered to be RESET if MUSB is in peripheral mode and
as a BABBLE if MUSB is in HOST mode.
Handle babble condition iff MUSB is in HOST mode.
Fixes: ca88fc2ef0 (usb: musb: add a work_struct to recover from babble errors)
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This reverts commit 1826e9b1 (usb: gadget: gadgetfs: use
after free in dev_release()) and places the call to
put_dev() after setting the state.
If this is not the final call to dev_release() and the
state is not reset to STATE_DEV_DISABLED and hence all
further open() calls to the gadgetfs ep0 device will
fail with EBUSY.
Signed-off-by: Marcus Nutzinger <marcus.nutzinger@theobroma-systems.com>
Reviewed-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Function's interface directories need to be created when the function
directory is created, but interface numbers are not known until
the gadget is ready and bound to udc, so we cannot use numbers
as part of interface directory names.
Let the client decide what names to use.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
A number of variables serve a generic purpose of handling
"compatible id" and "subcompatible id", but the names suggest they
are for rndis only. Rename to reflect variables' purpose.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the descriptors do not need any strings and user space sends empty
set of strings, the ffs->stringtabs field remains NULL. Thus
*ffs->stringtabs in functionfs_bind leads to a NULL pointer
dereferenece.
The bug was introduced by commit [fd7c9a007f: “use usb_string_ids_n()”].
While at it, remove double initialisation of lang local variable in
that function.
ffs->strings_count does not need to be checked in any way since in
the above scenario it will remain zero and usb_string_ids_n() is
a no-operation when colled with 0 argument.
Cc: <stable@vger.kernel.org> # v2.6.36+
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
There is a regression in the upcoming v3.16-rc1, that is caused
by a problem that has been around for a while but now finally
hangs the system. The bootcrawl looks like this:
pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already
requested by a03e0000.usb_per5; cannot claim for musb-hdrc.0.auto
pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.0.auto) status -22
pinctrl-nomadik soc:pinctrl: could not request pin 256
(GPIO256_AF28) from group usb_a_1 on device pinctrl-nomadik
musb-hdrc musb-hdrc.0.auto: Error applying setting, reverse
things back
HS USB OTG: no transceiver configured
musb-hdrc musb-hdrc.0.auto: musb_init_controller failed
with status -517
platform musb-hdrc.0.auto: Driver musb-hdrc requests
probe deferral
(...)
The ux500 MUSB driver propagates the OF node to the dynamically
created musb-hdrc device, which is incorrect as it makes the OF
core believe there are two devices spun from the very same
DT node, which confuses other parts of the device core, notably
the pin control subsystem, which will try to apply all the pin
control settings also to the HDRC device as it gets
instantiated. (The OMAP2430 for example, does not set the
of_node member.)
Cc: <stable@vger.kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Current usbhs gadget driver didn't complete STATUS stage after receiving.
It wasn't problem for us before, because some USB class doesn't use
DATA OUT stage in control transfer.
But, it is required on some device.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When disconnecting, it's possible that another thread has already made it
into eth_start_xmit before we call netif_stop_queue. This can lead to a
crash as eth_start_xmit tries to use resources that gether_disconnect is
freeing. Use netif_tx_lock/unlock around netif_stop_queue to ensure no
threads are executing during the remainder of gether_disconnect.
Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com>
Tested-by: Jaeden Amero <jaeden.amero@ni.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The dwc3 wrapper driver should not be fiddling with the core interrupts.
Disabling the core interrupts in prepare stops xhci from proper operation.
So remove disable/enable of core interrupts from prepare/complete.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This should be return -ENOMEM. The current code returns successs.
Fixes: de7a8d2d53 ('usb: gadget: f_rndis: OS descriptors support')
Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In ISOC transfers, when free_slot points to the last TRB (i.e. Link
TRB), and all queued requests meet Missed Interval Isoc error, busy_slot
points to trb0.
busy_slot->trb0
trb1
...
free_slot->trb31(Link TRB)
After end transfer and receiving the XferNotReady event, trb_left is
caculated as 1 which is wrong, and no TRB will be primed to the
endpoint.
The root cause is free_slot is not increased the same way as busy_slot.
When busy_slot is increased by one, it checks if points to a link TRB
after increasement, but free_slot checks it before increasement.
free_slot should behave the same as busy_slot to make the trb_left
caculation correct.
Reviewed-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Zhuang Jin Can <jin.can.zhuang@intel.com>
Signed-off-by: Jiebing Li <jiebing.li@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In usbtest, tests 5 - 8 use the scatter-gather library in usbcore
without any sort of timeout. If there's a problem in the gadget or
host controller being tested, the test can hang.
This patch adds a 10-second timeout to the tests, so that they will
fail gracefully with an ETIMEDOUT error instead of hanging.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Huang Rui <ray.huang@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Leandro Liptak reports that his HASEE E200 computer hangs when we ask
the BIOS to hand over control of the EHCI host controller. This
definitely sounds like a bug in the BIOS, but at the moment there is
no way to fix it.
This patch works around the problem by avoiding the handoff whenever
the motherboard and BIOS version match those of Leandro's computer.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Leandro Liptak <leandroliptak@gmail.com>
Tested-by: Leandro Liptak <leandroliptak@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 9262c19d14 "usb: disable port power control if not supported in
wHubCharacteristics" gated enabling runtime pm for usb_port devices on
whether the parent hub supports power control, which causes a
regression. The port must still be allowed to carry out runtime pm
callbacks and receive a -EAGAIN or -EBUSY result. Otherwise the
usb_port device will transition to the pm error state and trigger the
same for the child usb_device.
Prior to the offending commit usb_hub_create_port_device() arranged for
runtime pm to be disabled is dev_pm_qos_expose_flags() failed. Instead,
force the default state of PM_QOS_FLAG_NO_POWER_OFF flag to be set prior
to enabling runtime pm. If that policy can not be set then fail
registration.
Report: http://marc.info/?l=linux-usb&m=140290586301336&w=2
Fixes: 9262c19d14 ("usb: disable port power control if not supported in wHubCharacteristics")
Reported-by: Bjørn Mork <bjorn@mork.no>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the case where platform firmware has specified conflicting values for
port locations it is confusing and otherwise not helpful to throw a
backtrace. Instead, include enough information to determine that
firmware has done something wrong and globally disable port poweroff.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reading through a recent bug report [1], Alan notes:
"Dan, the warning message in hub_suspend() should mention that the
child device isn't suspended yet."
...update the warning from:
"usb usb3-port4: not suspended yet"
...to:
"usb usb3-port4: device 3-4: not suspended yet"
[1]: http://marc.info/?l=linux-usb&m=140290586301336&w=2
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
xhci_stop_device() allocates and issues stop commands for each active endpoint.
This is done with spinlock held and interrupt disabled so we can't sleep during
memory allocation. Use GFP_NOWAIT instead
Regression from commit ddba5cd0ae
"xhci: Use command structures when queuing commands on the command ring"
for 3.16-rc1
Fixes: ddba5cd0ae ("xhci: Use command structures when queuing commands")
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit d8521afe35 "usb: assign default peer ports for root hubs"
delayed marking a hub valid (set hdev->maxchild) until it had been fully
configured and to enable the publishing of valid hubs to be serialized
by usb_port_peer_mutex.
However, xhci_update_hub_device() in some cases depends on
hdev->maxchild already being set. Do the minimal fix and move it after
the setting of hdev->maxchild.
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Tested-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
Pull vfs updates from Al Viro:
"This the bunch that sat in -next + lock_parent() fix. This is the
minimal set; there's more pending stuff.
In particular, I really hope to get acct.c fixes merged this cycle -
we need that to deal sanely with delayed-mntput stuff. In the next
pile, hopefully - that series is fairly short and localized
(kernel/acct.c, fs/super.c and fs/namespace.c). In this pile: more
iov_iter work. Most of prereqs for ->splice_write with sane locking
order are there and Kent's dio rewrite would also fit nicely on top of
this pile"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (70 commits)
lock_parent: don't step on stale ->d_parent of all-but-freed one
kill generic_file_splice_write()
ceph: switch to iter_file_splice_write()
shmem: switch to iter_file_splice_write()
nfs: switch to iter_splice_write_file()
fs/splice.c: remove unneeded exports
ocfs2: switch to iter_file_splice_write()
->splice_write() via ->write_iter()
bio_vec-backed iov_iter
optimize copy_page_{to,from}_iter()
bury generic_file_aio_{read,write}
lustre: get rid of messing with iovecs
ceph: switch to ->write_iter()
ceph_sync_direct_write: stop poking into iov_iter guts
ceph_sync_read: stop poking into iov_iter guts
new helper: copy_page_from_iter()
fuse: switch to ->write_iter()
btrfs: switch to ->write_iter()
ocfs2: switch to ->write_iter()
xfs: switch to ->write_iter()
...
Pull MIPS updates from Ralf Baechle:
- three fixes for 3.15 that didn't make it in time
- limited Octeon 3 support.
- paravirtualization support
- improvment to platform support for Netlogix SOCs.
- add support for powering down the Malta eval board in software
- add many instructions to the in-kernel microassembler.
- add support for the BPF JIT.
- minor cleanups of the BCM47xx code.
- large cleanup of math emu code resulting in significant code size
reduction, better readability of the code and more accurate
emulation.
- improvments to the MIPS CPS code.
- support C3 power status for the R4k count/compare clock device.
- improvments to the GIO support for older SGI workstations.
- increase number of supported CPUs to 256; this can be reached on
certain embedded multithreaded ccNUMA configurations.
- various small cleanups, updates and fixes
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (173 commits)
MIPS: IP22/IP28: Improve GIO support
MIPS: Octeon: Add twsi interrupt initialization for OCTEON 3XXX, 5XXX, 63XX
DEC: Document the R4k MB ASIC mini interrupt controller
DEC: Add self as the maintainer
MIPS: Add microMIPS MSA support.
MIPS: Replace calls to obsolete strict_strto call with kstrto* equivalents.
MIPS: Replace obsolete strict_strto call with kstrto
MIPS: BFP: Simplify code slightly.
MIPS: Call find_vma with the mmap_sem held
MIPS: Fix 'write_msa_##' inline macro.
MIPS: Fix MSA toolchain support detection.
mips: Update the email address of Geert Uytterhoeven
MIPS: Add minimal defconfig for mips_paravirt
MIPS: Enable build for new system 'paravirt'
MIPS: paravirt: Add pci controller for virtio
MIPS: Add code for new system 'paravirt'
MIPS: Add functions for hypervisor call
MIPS: OCTEON: Add OCTEON3 to __get_cpu_type
MIPS: Add function get_ebase_cpunum
MIPS: Add minimal support for OCTEON3 to c-r4k.c
...
Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.
* accumulated work in next: (6809 commits)
ufs: sb mutex merge + mutex_destroy
powerpc: update comments for generic idle conversion
cris: update comments for generic idle conversion
idle: remove cpu_idle() forward declarations
nbd: zero from and len fields in NBD_CMD_DISCONNECT.
mm: convert some level-less printks to pr_*
MAINTAINERS: adi-buildroot-devel is moderated
MAINTAINERS: add linux-api for review of API/ABI changes
mm/kmemleak-test.c: use pr_fmt for logging
fs/dlm/debug_fs.c: replace seq_printf by seq_puts
fs/dlm/lockspace.c: convert simple_str to kstr
fs/dlm/config.c: convert simple_str to kstr
mm: mark remap_file_pages() syscall as deprecated
mm: memcontrol: remove unnecessary memcg argument from soft limit functions
mm: memcontrol: clean up memcg zoneinfo lookup
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
mm/mempool.c: update the kmemleak stack trace for mempool allocations
lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
mm: introduce kmemleak_update_trace()
mm/kmemleak.c: use %u to print ->checksum
...
Pull core irq updates from Thomas Gleixner:
"The irq department delivers:
- Another tree wide update to get rid of the horrible create_irq
interface along with its even more horrible variants. That also
gets rid of the last leftovers of the initial sparse irq hackery.
arch/driver specific changes have been either acked or ignored.
- A fix for the spurious interrupt detection logic with threaded
interrupts.
- A new ARM SoC interrupt controller
- The usual pile of fixes and improvements all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding
irqchip: brcmstb-l2: Add Broadcom Set Top Box Level-2 interrupt controller
genirq: Improve documentation to match current implementation
ARM: iop13xx: fix msi support with sparse IRQ
genirq: Provide !SMP stub for irq_set_affinity_notifier()
irqchip: armada-370-xp: Move the devicetree binding documentation
irqchip: gic: Use mask field in GICC_IAR
genirq: Remove dynamic_irq mess
ia64: Use irq_init_desc
genirq: Replace dynamic_irq_init/cleanup
genirq: Remove irq_reserve_irq[s]
genirq: Replace reserve_irqs in core code
s390: Avoid call to irq_reserve_irqs()
s390: Remove pointless arch_show_interrupts()
s390: pci: Check return value of alloc_irq_desc() proper
sh: intc: Remove pointless irq_reserve_irqs() invocation
x86, irq: Remove pointless irq_reserve_irqs() call
genirq: Make create/destroy_irq() ia64 private
tile: Use SPARSE_IRQ
tile: pci: Use irq_alloc/free_hwirq()
...
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
