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We received several reports of systems rebooting and powering on
after an attempted shutdown. Testing showed that setting
XHCI_SPURIOUS_WAKEUP quirk in addition to the XHCI_SPURIOUS_REBOOT
quirk allowed the system to shutdown as expected for LynxPoint-LP
xHCI controllers. Set the quirk back.
Note that the quirk was originally introduced for LynxPoint and
LynxPoint-LP just for this same reason. See:
commit 638298dc66ea ("xhci: Fix spurious wakeups after S5 on Haswell")
It was later limited to only concern HP machines as it caused
regression on some machines, see both bug and commit:
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=66171
commit 6962d914f317 ("xhci: Limit the spurious wakeup fix only to HP machines")
Later it was discovered that the powering on after shutdown
was limited to LynxPoint-LP (Haswell-ULT) and that some non-LP HP
machine suffered from spontaneous resume from S3 (which should
not be related to the SPURIOUS_WAKEUP quirk at all). An attempt
to fix this then removed the SPURIOUS_WAKEUP flag usage completely.
commit b45abacde3d5 ("xhci: no switching back on non-ULT Haswell")
Current understanding is that LynxPoint-LP (Haswell ULT) machines
need the SPURIOUS_WAKEUP quirk, otherwise they will restart, and
plain Lynxpoint (Haswell) machines may _not_ have the quirk
set otherwise they again will restart.
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Oliver Neukum <oneukum@suse.com>
[Added more history to commit message -Mathias]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If a host fails to wake up a isochronous SuperSpeed device from U1/U2
in time for a isoch transfer it will generate a "No ping response error"
Host will then move to the next transfer descriptor.
Handle this case in the same way as missed service errors, tag the
current TD as skipped and handle it on the next transfer event.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the difference is big enough between the bytes asked and received
in a bulk transfer we can get a short transfer event pointing to a TRB in
the middle of the TD. We don't want to handle the TD yet as we will anyway
receive a new event for the last TRB in the TD.
Hold off from finishing the TD and removing it from the list until we
receive an event for the last TRB in the TD
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a device quirk for the Logitech PTZ Pro Camera and its sibling the
ConferenceCam CC3000e Camera.
This fixes the failed camera enumeration on some boot, particularly on
machines with fast CPU.
Tested by connecting a Logitech PTZ Pro Camera to a machine with a
Haswell Core i7-4600U CPU @ 2.10GHz, and doing thousands of reboot cycles
while recording the kernel logs and taking camera picture after each boot.
Before the patch, more than 7% of the boots show some enumeration transfer
failures and in a few of them, the kernel is giving up before actually
enumerating the webcam. After the patch, the enumeration has been correct
on every reboot.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rng reads in chaoskey driver could return the same data under
the certain conditions.
Signed-off-by: Alexander Inyukhin <shurick@sectorb.msk.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These two headphones need a reset-resume quirk to properly resume to
original volume level.
Signed-off-by: Yao-Wen Mao <yaowen@google.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds a compatible string to support for R-Car H3.
Since the HS-USB controller of R-Car H3 is almost the same specification
with R-Car Gen2 (these have 16 pipes and usb-dmac), this patch
sets the "type" of renesas_usbhs_driver_param to USBHS_TYPE_RCAR_GEN2.
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch fixes the following warning if 64-bit architecture environment:
./drivers/usb/renesas_usbhs/common.c:496:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
dparam->type = of_id ? (u32)of_id->data : 0;
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If dma_pool_alloc() fails we are jumping to fail and releasing all the
bd_tables which have been added to the chain but we missed freeing this
bd_table which was just allocated and still not added to the chain of
bd_table.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix potential null-pointer dereference at probe by making sure that the
required endpoints are present.
The whiteheat driver assumes there are at least five pairs of bulk
endpoints, of which the final pair is used for the "command port". An
attempt to bind to an interface with fewer bulk endpoints would
currently lead to an oops.
Fixes CVE-2015-5257.
Reported-by: Moein Ghasemzadeh <moein@istuary.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Don't check if timer is running with a timer_pending() before
deleting it with del_timer_sync(), this defies the whole point of
the sync part and can cause a possible race.
Instead we just want to make sure the timer is initialized early enough
before we have a chance to delete it.
Cc: <stable@vger.kernel.org>
Reported-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some changes between xhci 0.96 and xhci 1.0 specifications forced us to
check the hci version in code, some of these checks were implemented as
hci_version == 1.0, which will not work with new xhci 1.1 controllers.
xhci 1.1 behaves similar to xhci 1.0 in these cases, so change these
checks to hci_version >= 1.0
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During quick plug/removal of OTG adapter during dual-role testing
it can happen that xhci_alloc_device() is called for the newly
detected device after the DRD library has called xhci_stop to
remove the HCD.
If that is the case, just fail early to prevent the following warning.
[ 154.732649] hub 4-0:1.0: USB hub found
[ 154.742204] hub 4-0:1.0: 1 port detected
[ 154.824458] hub 3-0:1.0: state 7 ports 1 chg 0002 evt 0000
[ 154.854609] hub 4-0:1.0: state 7 ports 1 chg 0000 evt 0000
[ 154.944430] usb 3-1: new high-speed USB device number 2 using xhci-hcd
[ 154.951009] xhci-hcd xhci-hcd.0.auto: xhci_setup_device
[ 155.038191] xhci-hcd xhci-hcd.0.auto: remove, state 4
[ 155.043315] usb usb4: USB disconnect, device number 1
[ 155.055270] xhci-hcd xhci-hcd.0.auto: xhci_stop
[ 155.060094] xhci-hcd xhci-hcd.0.auto: USB bus 4 deregistered
[ 155.066576] xhci-hcd xhci-hcd.0.auto: remove, state 1
[ 155.071710] usb usb3: USB disconnect, device number 1
[ 155.077124] xhci-hcd xhci-hcd.0.auto: xhci_setup_device
[ 155.082389] ------------[ cut here ]------------
[ 155.087690] WARNING: CPU: 0 PID: 72 at drivers/usb/host/xhci.c:3800 xhci_setup_device+0x410/0x484 [xhci_hcd]()
[ 155.097861] Modules linked in: sd_mod usb_storage scsi_mod usb_f_ss_lb g_zero libcomposite ipv6 xhci_plat_hcd xhci_hcd usbcore dwc3 udc_core evdev ti_am335x_adc joydev kfifo_buf industrialio snd_soc_simple_cc
[ 155.146734] CPU: 0 PID: 72 Comm: kworker/0:3 Tainted: G W 4.1.4-00834-gcd9380b-dirty #50
[ 155.156073] Hardware name: Generic AM43 (Flattened Device Tree)
[ 155.162117] Workqueue: usb_hub_wq hub_event [usbcore]
[ 155.167249] Backtrace:
[ 155.169751] [<c0012af0>] (dump_backtrace) from [<c0012c8c>] (show_stack+0x18/0x1c)
[ 155.177390] r6:c089d4a4 r5:ffffffff r4:00000000 r3:ee46c000
[ 155.183137] [<c0012c74>] (show_stack) from [<c05f7c14>] (dump_stack+0x84/0xd0)
[ 155.190446] [<c05f7b90>] (dump_stack) from [<c00439ac>] (warn_slowpath_common+0x80/0xbc)
[ 155.198605] r7:00000009 r6:00000ed8 r5:bf27eb70 r4:00000000
[ 155.204348] [<c004392c>] (warn_slowpath_common) from [<c0043a0c>] (warn_slowpath_null+0x24/0x2c)
[ 155.213202] r8:ee49f000 r7:ee7c0004 r6:00000000 r5:ee7c0158 r4:ee7c0000
[ 155.220051] [<c00439e8>] (warn_slowpath_null) from [<bf27eb70>] (xhci_setup_device+0x410/0x484 [xhci_hcd])
[ 155.229816] [<bf27e760>] (xhci_setup_device [xhci_hcd]) from [<bf27ec10>] (xhci_address_device+0x14/0x18 [xhci_hcd])
[ 155.240415] r10:ee598200 r9:00000001 r8:00000002 r7:00000001 r6:00000003 r5:00000002
[ 155.248363] r4:ee49f000
[ 155.250978] [<bf27ebfc>] (xhci_address_device [xhci_hcd]) from [<bf20cb94>] (hub_port_init+0x1b8/0xa9c [usbcore])
[ 155.261403] [<bf20c9dc>] (hub_port_init [usbcore]) from [<bf2101e0>] (hub_event+0x738/0x1020 [usbcore])
[ 155.270874] r10:ee598200 r9:ee7c0000 r8:ee7c0038 r7:ee518800 r6:ee49f000 r5:00000001
[ 155.278822] r4:00000000
[ 155.281426] [<bf20faa8>] (hub_event [usbcore]) from [<c005754c>] (process_one_work+0x128/0x340)
[ 155.290196] r10:00000000 r9:00000003 r8:00000000 r7:fedfa000 r6:eeec5400 r5:ee598314
[ 155.298151] r4:ee434380
[ 155.300718] [<c0057424>] (process_one_work) from [<c00578f8>] (worker_thread+0x158/0x49c)
[ 155.308963] r10:ee434380 r9:00000003 r8:eeec5400 r7:00000008 r6:ee434398 r5:eeec5400
[ 155.316913] r4:eeec5414
[ 155.319482] [<c00577a0>] (worker_thread) from [<c005cc40>] (kthread+0xdc/0xf8)
[ 155.326765] r10:00000000 r9:00000000 r8:00000000 r7:c00577a0 r6:ee434380 r5:ee4441c0
[ 155.334713] r4:00000000 r3:00000000
[ 155.338341] [<c005cb64>] (kthread) from [<c000fc08>] (ret_from_fork+0x14/0x2c)
[ 155.345626] r7:00000000 r6:00000000 r5:c005cb64 r4:ee4441c0
[ 155.356108] ---[ end trace a58d34c223b190e6 ]---
[ 155.360783] xhci-hcd xhci-hcd.0.auto: Virt dev invalid for slot_id 0x1!
[ 155.574404] xhci-hcd xhci-hcd.0.auto: xhci_setup_device
[ 155.579667] ------------[ cut here ]------------
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xhci_stop will be called twice, once for the shared hcd
and again for the primary hcd.
We stop the XHCI controller in any case so clean up
everything on the first call else we can timeout
waiting for pending requests to complete.
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For whatever reason if XHCI died in the previous instant
then it will never recover on the next xhci_start unless we
clear the DYING flag.
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Else it races with xhci_setup_device
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xhci_pme_quirk() is only used when CONFIG_PM is defined.
Compiling a kernel without PM complains about this function
[reworded commit message -Mathias]
Cc: <stable@vger.kernel.org>
Signed-off-by: Tomer Barletz <barletz@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want to give the command abortion an additional try to stop
the command ring before we completely hose xhci.
Cc: <stable@vger.kernel.org>
Tested-by: Vincent Pelletier <plr.vincent@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bits 1:0 of the bmAttributes are used for the burst multiplier.
The rest of the bits used to be reserved (zero), but USB3.1 takes bit 7
into use.
Use the existing USB_SS_MULT() macro instead to make sure the mult value
and hence max packet calculations are correct for USB3.1 devices.
Note that burst multiplier in bmAttributes is zero based and that
the USB_SS_MULT() macro adds one.
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.3-rc3
Here's the second pull request for current -rc cycle.
A few fixes on dummy_hcd which have been around for
longer than they should be.
MUSB got a couple fixes, the most important of which
is a fix to DMA channel teardown on AM335x devices.
And DWC3 got a minor fix for when using RT-enabled
kernels.
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Using spin_lock() in hard irq handler is pointless
and causes a BUG() in RT (real-time) configuration
so get rid of it.
The reason it's pointless is because the driver is
basically accessing register which is, anyways,
atomic.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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After a few iterations of start/stop UVC camera streaming, the streaming
stops.
This patch adds 250us delay in the cppi channel abort path to let cppi
drain properly.
Using 50us delay seems to be too aggressive, some webcams are still
broken. 250us is the original value used in TI 3.2 kernel.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The I2C core always reports the MODALIAS uevent as "i2c:<client name"
regardless if the device was registered using OF or platform code so
So the driver needs to export the I2C table and this be built into
the module or udev won't have the necessary information to auto load
the module when the device is added.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Remove unneeded NULL test.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@ expression x; @@
-if (x != NULL)
\(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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dummy_timer uses transfer() to update transfer limit. However,
limit passed to dummy_timer changes depending on transfer type,
so the actual limit is overwritten.
This can cause unpredictably slow / fast bulk transfers when
coupled with control / interrupt transfers.
Fix by returning actual amount of data sent in transfer() and
substracting from total.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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transfer() schedules a rescan for transfers larger than
maxpacket, which is wrong for transfers that are multiples
of maxpacket.
Rewrite to fix and clarify packet multiple / remainder
transfer logic.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We already know at this point that to_host is false.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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currently, when a zlp flag is set and an urb/usb_request
buffer is filled without a short packet, transfer() leaves
its status at -EINPROGRESS and does not rescan for short
packet.
In a scenario where ep.maxpacket bytes are copied,
URB_ZERO_PACKET is set, urb buffer is filled and usb_request
buffer is not, transfer() returns with an urb with
-EINPROGRESS status, which dummy_hcd treats as incomplete
transfer.
Check for zlp and rescan appropriately.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix the regression caused by commit ad78c918602 ("usb: musb: dsps: just
start polling already") which causes polling the ID pin status even in
device-only mode.
Fixes: ad78c918602c ("usb: musb: dsps: just start polling already")
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The recently added endpoint capabilities flags verification breaks Atmel
USBA because the endpoint configuration was only added when the driver
is bound using the legacy pdata interface.
Convert endpoint configuration to new capabilities model when driver is
bound to a device tree as well.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Fixes: 47bef3865115 ("usb: gadget: atmel_usba_udc: add ep capabilities support")
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
USB Chipidea fixes for v4.3-rc2
- Fix the stall implementation
- Fix device mode transfer at zynq platform
- other small fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.3-rc2
Just some new ZTE device IDs.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Use imx6sx instead of imx6sl's platform flags for imx6sx.
Fixes: e14db48dfcf3 ("usb: chipidea: imx: add runtime power management support")
Cc: <stable@vger.kernel.org> # v4.1+
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
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Due to having hardware tx buffers less than 512 bytes in size, streaming
must be enabled on the Zynq for the udc to work at all. Add platform data
specific to the Zynq udc, which does not set the CI_HDRC_DISABLE_STREAMING
flag.
Based on a patch by the same name from the Xilinx vendor tree.
Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
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According to spec, there are functional and protocol stalls.
For functional stall, it is for bulk and interrupt endpoints,
below are cases for it:
- Host sends SET_FEATURE request for Set-Halt, the udc driver
needs to set stall, and return true unconditionally.
- The gadget driver may call usb_ep_set_halt to stall certain
endpoints, if there is a transfer in pending, the udc driver
should not set stall, and return -EAGAIN accordingly.
These two kinds of stall need to be cleared by host using CLEAR_FEATURE
request (Clear-Halt).
For protocol stall, it is for control endpoint, this stall will
be set if the control request has failed. This stall will be
cleared by next setup request (hardware will do it).
It fixed usbtest (drivers/usb/misc/usbtest.c) Test 13 "set/clear halt"
test failure, meanwhile, this change has been verified by
USB2 CV Compliance Test and MSC Tests.
Cc: <stable@vger.kernel.org> #3.10+
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
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The gpio-desc migration done in v4.0 caused a regression
with legacy boots due to reversed reset logic.
e.g. omap3-beagle USB host breaks on legacy boot.
Request the reset GPIO with GPIOF_ACTIVE_LOW flag so that
it matches the driver logic and pin behaviour.
Fixes: e9f2cefb0cdc ("usb: phy: generic: migrate to gpio_desc")
Cc: <stable@vger.kernel.org> # 4.0+
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In certain situations, an interrupt triggers on resume, before musb_start()
has been called. This has been observed to cause enumeration issues after
suspend/resume cycles with AM335x.
Signed-off-by: Pascal Huerst <pascal.huerst@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If a failure happens early in udc_pci_probe(), error handling code
just kfree(dev) and returns. The patch adds proper resource
deallocations in udc_pci_probe() itself,
since udc_pci_remove() is not suitabe to be called so early
in initialization process.
By the way, iounmap(dev->regs) is replaced by iounmap(dev->virt_addr)
in udc_pci_remove() for clarity.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix build errors that happen when USB_QCOM_8X16_PHY=y and EXTCON=m:
drivers/built-in.o: In function `phy_8x16_init':
phy-qcom-8x16-usb.c:(.text+0x86ef4): undefined reference to `extcon_get_cable_state'
drivers/built-in.o: In function `phy_8x16_probe':
phy-qcom-8x16-usb.c:(.text+0x870bf): undefined reference to `extcon_get_edev_by_phandle'
phy-qcom-8x16-usb.c:(.text+0x87133): undefined reference to `extcon_register_interest'
phy-qcom-8x16-usb.c:(.text+0x87151): undefined reference to `extcon_unregister_interest'
drivers/built-in.o: In function `phy_8x16_remove':
phy-qcom-8x16-usb.c:(.text+0x872ec): undefined reference to `extcon_unregister_interest'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The change ensures otg is not in a A- state when checking for VBUS in
peripheral mode.
musb_start() where VBUS checking is in can be called in many situations.
One example is in babble recovery routine, in which otg is transitioning
from A-HOST to A-WAIT-BCON, but VBUS discharge takes time, so
musb->is_active could be set to 1 due to this improper checking, then it
causes musb_bus_suspend() failed which leads to warning log message
flooding.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If we enable IRQs before requesting our
extcon device, we might fall into a situation
where and IRQ fires before we're ready to
handle it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch fixes possible regression introduced by
patch reworking endpoint claiming mechanism. It restores
setring ep->driver_data to NULL in usb_ep_autoconfig_reset(),
which was removed by patch commit cc476b42a39d.
Fixes: cc476b42a39d ("usb: gadget: encapsulate endpoint
claiming mechanism")
Reported-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This is intended to add ZTE device PIDs on kernel.
Signed-off-by: Liu.Zhao <lzsos369@163.com>
Cc: stable <stable@vger.kernel.org>
[johan: sort the new entries ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"The usual stuff from trivial tree for 4.3 (kerneldoc updates, printk()
fixes, Documentation and MAINTAINERS updates)"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits)
MAINTAINERS: update my e-mail address
mod_devicetable: add space before */
scsi: a100u2w: trivial typo in printk
i2c: Fix typo in i2c-bfin-twi.c
treewide: fix typos in comment blocks
Doc: fix trivial typo in SubmittingPatches
proportions: Spelling s/consitent/consistent/
dm: Spelling s/consitent/consistent/
aic7xxx: Fix typo in error message
pcmcia: Fix typo in locking documentation
scsi/arcmsr: Fix typos in error log
drm/nouveau/gr: Fix typo in nv10.c
[SCSI] Fix printk typos in drivers/scsi
staging: comedi: Grammar s/Enable support a/Enable support for a/
Btrfs: Spelling s/consitent/consistent/
README: GTK+ is a acronym
ASoC: omap: Fix typo in config option description
mm: tlb.c: Fix error message
ntfs: super.c: Fix error log
fix typo in Documentation/SubmittingPatches
...
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This is an HP-branded Sierra Wireless EM7355:
https://bugzilla.redhat.com/show_bug.cgi?id=1223646#c2
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CustomWare uses the FTDI VID with custom PIDs for their ShipModul MiniPlex
products.
Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Silence read-urb resubmission errors when the device is going away.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid spamming the logs (e.g. with -EPROTO errors) when attempting to
resubmit the interrupt urb while a disconnect of an in-use device is
being processed.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The scanner (here DS3508) always returns 64 bytes per urb buffer. The first
byte indicates the data length used in the current buffer. There even was
a comment describing this. But the comment also said that we'll send
everything in the buffer to the tty layer. That means sending the actual
barcode data and lots of trailing zeroes. This patch lets the driver only
send the real data.
Signed-off-by: Philipp Hachtmann <hachti@hachti.de>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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