| Age | Commit message (Collapse) | Author |
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commit 1e7caf8bcf1b49eae152ad7cf442775472dd587c upstream.
The information is not properly taken into account
for {get|set}_power() functions.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_USB_FUNCTIONFS_ETH
commit 8d0698428822ce63f7269e7fe81fc4580807b9ac upstream.
commit 28824b18ac4705e876a282a15ea0de8fc957551f:
|Author: Michal Nazarewicz <m.nazarewicz@samsung.com>
|Date: Wed May 5 12:53:13 2010 +0200
|
| USB: gadget: __init and __exit tags removed
|
| __init, __initdata and __exit tags have have been removed from
| various files to make it possible for gadgets that do not use
| the __init/__exit tags to use those.
obviously missed (at least) this case leading to a section mismatch in
g_ffs.c when compiling with CONFIG_USB_FUNCTIONFS_ETH enabled.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 093ea2d3a766cb8a4c4de57efec6c0a127a58792 upstream.
A MCS7820 device supports two serial ports and a MCS7840 device supports
four serial ports. Both devices use the same driver, but the attach function
in driver was unable to correctly handle the port numbers for MCS7820
device. This problem has been fixed in this patch and this fix has been
verified on x86 Linux kernel 3.2.9 with both MCS7820 and MCS7840 devices.
Signed-off-by: Donald Lee <donald@asix.com.tw>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a5360a53a7ccad5ed9ccef210b94fef13c6e5529 upstream.
This patch updates the cp210x driver to support CP210x multiple
interface devices devices from Silicon Labs. The existing driver
always sends control requests to interface 0, which is hardcoded in
the usb_control_msg function calls. This only allows for single
interface devices to be used, and causes a bug when using ports on an
interface other than 0 in the multiple interface devices.
Here are the changes included in this patch:
- Updated the device list to contain the Silicon Labs factory default
VID/PID for multiple interface CP210x devices
- Created a cp210x_port_private struct created for each port on
startup, this struct holds the interface number
- Added a cp210x_release function to clean up the cp210x_port_private
memory created on startup
- Modified usb_get_config and usb_set_config to get a pointer to the
cp210x_port_private struct, and use the interface number there in the
usb_control_message wIndex param
Signed-off-by: Preston Fick <preston.fick@silabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6d161b99f875269ad4ffa44375e1e54bca6fd02e upstream.
This patch adds new device IDs to the ftdi_sio module to support
the new Sealevel SeaLINK+8 2038-ROHS device.
Signed-off-by: Scott Dial <scott.dial@scientiallc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c192c8e71a2ded01170c1a992cd21aaedc822756 upstream.
Gobi 1000 devices have a different port layout, which wasn't respected
by the current driver, and thus it grabbed the QMI/net port. In the
near future we'll be attaching another driver to the QMI/net port for
these devices (cdc-wdm and qmi_wwan) so make sure the qcserial driver
doesn't claim them. This patch also prevents qcserial from binding to
interfaces 0 and 1 on 1K devices because those interfaces do not
respond.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4898e07174b79013afd2b422ef6c4336ef8e6783 upstream.
__do_config_autodelink passes the data variable to the transport function.
If the calling functions pass a stack variable, this will eventually trigger
a DMA-API debug backtrace for mapping stack memory in the DMA buffer. Fix
this by calling kmemdup for the passed data instead.
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e90fc3cb087ce5c5f81e814358222cd6d197b5db upstream.
When build i.mx platform with imx_v6_v7_defconfig, and after adding
USB Gadget support, it has below build error:
CC drivers/usb/host/fsl-mph-dr-of.o
drivers/usb/host/fsl-mph-dr-of.c: In function 'fsl_usb2_device_register':
drivers/usb/host/fsl-mph-dr-of.c:97: error: 'struct pdev_archdata'
has no member named 'dma_mask'
It has discussed at: http://www.spinics.net/lists/linux-usb/msg57302.html
For PowerPC, there is dma_mask at struct pdev_archdata, but there is
no dma_mask at struct pdev_archdata for ARM. The pdev_archdata is
related to specific platform, it should NOT be accessed by
cross platform drivers, like USB.
The code for pdev_archdata should be useless, as for PowerPC,
it has already gotten the value for pdev->dev.dma_mask at function
arch_setup_pdev_archdata of arch/powerpc/kernel/setup-common.c.
Tested-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c5cc5ed86667d4ae74fe40ee4ed893f4b46aba05 upstream.
When loading g_ether gadget, there is below message:
Backtrace:
[<80012248>] (dump_backtrace+0x0/0x10c) from [<803cb42c>] (dump_stack+0x18/0x1c)
r7:00000000 r6:80512000 r5:8052bef8 r4:80513f30
[<803cb414>] (dump_stack+0x0/0x1c) from [<8000feb4>] (show_regs+0x44/0x50)
[<8000fe70>] (show_regs+0x0/0x50) from [<8004c840>] (__schedule_bug+0x68/0x84)
r5:8052bef8 r4:80513f30
[<8004c7d8>] (__schedule_bug+0x0/0x84) from [<803cd0e4>] (__schedule+0x4b0/0x528)
r5:8052bef8 r4:809aad00
[<803ccc34>] (__schedule+0x0/0x528) from [<803cd214>] (_cond_resched+0x44/0x58)
[<803cd1d0>] (_cond_resched+0x0/0x58) from [<800a9488>] (dma_pool_alloc+0x184/0x250)
r5:9f9b4000 r4:9fb4fb80
[<800a9304>] (dma_pool_alloc+0x0/0x250) from [<802a8ad8>] (fsl_req_to_dtd+0xac/0x180)
[<802a8a2c>] (fsl_req_to_dtd+0x0/0x180) from [<802a8ce4>] (fsl_ep_queue+0x138/0x274)
[<802a8bac>] (fsl_ep_queue+0x0/0x274) from [<7f004328>] (composite_setup+0x2d4/0xfac [g_ether])
[<7f004054>] (composite_setup+0x0/0xfac [g_ether]) from [<802a9bb4>] (fsl_udc_irq+0x8dc/0xd38)
[<802a92d8>] (fsl_udc_irq+0x0/0xd38) from [<800704f8>] (handle_irq_event_percpu+0x54/0x188)
[<800704a4>] (handle_irq_event_percpu+0x0/0x188) from [<80070674>] (handle_irq_event+0x48/0x68)
[<8007062c>] (handle_irq_event+0x0/0x68) from [<800738ec>] (handle_level_irq+0xb4/0x138)
r5:80514f94 r4:80514f40
[<80073838>] (handle_level_irq+0x0/0x138) from [<8006ffa4>] (generic_handle_irq+0x38/0x44)
r7:00000012 r6:80510b1c r5:80529860 r4:80512000
[<8006ff6c>] (generic_handle_irq+0x0/0x44) from [<8000f4c4>] (handle_IRQ+0x54/0xb4)
[<8000f470>] (handle_IRQ+0x0/0xb4) from [<800085b8>] (tzic_handle_irq+0x64/0x94)
r9:412fc085 r8:00000000 r7:80513f30 r6:00000001 r5:00000000
r4:00000000
[<80008554>] (tzic_handle_irq+0x0/0x94) from [<8000e680>] (__irq_svc+0x40/0x60)
The reason of above dump message is calling dma_poll_alloc with can-schedule
mem_flags at atomic context.
To fix this problem, below changes are made:
- fsl_req_to_dtd doesn't need to be protected by spin_lock_irqsave,
as struct usb_request can be access at process context. Move lock
to beginning of hardware visit (fsl_queue_td).
- Change the memory flag which using to allocate dTD descriptor buffer,
the memory flag can be from gadget layer.
It is tested at i.mx51 bbg board with g_mass_storage, g_ether, g_serial.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b7a205545345578712611106b371538992e142ff upstream.
The WDM_READ flag is cleared later iff desc->length is reduced to 0.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 711c68b3c0f7a924ffbee4aa962d8f62b85188ff upstream.
We must not allow the input buffer length to change while we're
shuffling the buffer contents. We also mustn't clear the WDM_READ
flag after more data might have arrived. Therefore move both of these
into the spinlocked region at the bottom of wdm_read().
When reading desc->length without holding the iuspin lock, use
ACCESS_ONCE() to ensure the compiler doesn't re-read it with
inconsistent results.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Bjørn Mork <bjorn@mork.no>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 548dd4b6da8a8e428453d55f7fa7b8a46498d147 upstream.
Do not report errors in write path if port is used as a console as this
may trigger the same error (and error report) resulting in a loop.
Reported-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 33d2832ab0149a26418d360af3c444969a63fb28 upstream.
HID devices should specify this in their interface descriptors, not in the
device descriptor. This fixes a "missing hardware id" bug under Windows 7 with
a VIA VL800 (3.0) controller.
Signed-off-by: Orjan Friberg <of@flatfrog.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 85b4b3c8c189e0159101f7628a71411af072ff69 upstream.
A read from GadgetFS endpoint 0 during the data stage of a control
request would always return 0 on success (as returned by
wait_event_interruptible) despite having written data into the user
buffer.
This patch makes it correctly set the return value to the number of
bytes read.
Signed-off-by: Thomas Faber <thfabba@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3b2a2e47174cd978258bbb0fdf2e2b1b5ec2144c upstream.
This patch fixup below warning on device_unregister()
renesas_usbhs renesas_usbhs.1: host probed
renesas_usbhs renesas_usbhs.1: gadget probed
renesas_usbhs renesas_usbhs.1: irq request err
------------[ cut here ]------------
WARNING: at ${LINUX}/drivers/base/core.c:1)
Device 'gadget' does not have a release() function, it is broken and must be fi.
Modules linked in:
[<c000e25c>] (unwind_backtrace+0x0/0xe4) from [<c0016960>] (warn_slowpath_commo)
[<c0016960>] (warn_slowpath_common+0x4c/0x64) from [<c00169f8>] (warn_slowpath_)
[<c00169f8>] (warn_slowpath_fmt+0x2c/0x3c) from [<c0185b80>] (device_release+0x)
[<c0185b80>] (device_release+0x70/0x84) from [<c013e300>] (kobject_cleanup+0x58)
[<c013e300>] (kobject_cleanup+0x58/0x6c) from [<c01cba14>] (usbhs_mod_gadget_re)
[<c01cba14>] (usbhs_mod_gadget_remove+0x3c/0x6c) from [<c01c8384>] (usbhs_mod_p)
[<c01c8384>] (usbhs_mod_probe+0x68/0x80) from [<c01c7f84>] (usbhs_probe+0x1cc/0)
...
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f9c56cdd3905c96c600456203637bd7ec8ec6383 upstream.
This fix a bug in f_serial, which expect the ep->desc to be NULL after
disabling an endpoint.
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 39287076e46d2c19aaceaa6f0a44168ae4d257ec upstream.
musb INDEX register is getting modified/corrupted during temporary
un-locking in a SMP system. Set this register with proper value
after re-acquiring the lock
Scenario:
---------
CPU1 is handling a data transfer completion interrupt received for
the CLASS1 EP
CPU2 is handling a CLASS2 thread which is queuing data to musb for
transfer
Below is the error sequence:
CPU1 | CPU2
--------------------------------------------------------------------
Data transfer completion inter- |
rupt recieved. |
|
musb INDEX reg set to CLASS1 EP |
|
musb LOCK is acquired. |
|
| CLASS2 thread queues data.
|
| CLASS2 thread tries to acquire musb
| LOCK but lock is already taken by
| CLASS1, so CLASS2 thread is
| spinning.
|
From Interrupt Context musb |
giveback function is called |
|
The giveback function releases | CLASS2 thread now acquires LOCK
LOCK |
|
ClASS1 Request's completion cal-| ClASS2 schedules the data transfer and
lback is called | sets the MUSB INDEX to Class2 EP number
|
Interrupt handler for CLASS1 EP |
tries to acquire LOCK and is |
spinning |
|
Interrupt for Class1 EP acquires| Class2 completes the scheduling etc and
the MUSB LOCK | releases the musb LOCK
|
Interrupt for Class1 EP schedul-|
es the next data transfer |
but musb INDEX register is still|
set to CLASS2 EP |
Since the MUSB INDEX register is set to a different endpoint, we
read and modify the wrong registers. Hence data transfer will not
happen properly. This results in unpredictable behavior
So, the MUSB INDEX register is set to proper value again when
interrupt re-acquires the lock
Signed-off-by: Supriya Karanth <supriya.karanth@stericsson.com>
Signed-off-by: Praveena Nadahally <praveen.nadahally@stericsson.com>
Reviewed-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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commit 27a78d6a283d6782438f72306746afe4bf44c215 upstream.
It's wrong to use the size of array as an argument for strncat.
Memory corruption is possible. strlcat is exactly what we need here.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9bafa56c7cee5c6fa68de5924220abb220c7e229 upstream.
Zero is a valid value for a microframe number. So remove the bogus
test for non-zero in dwc3_gadget_start_isoc().
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8d62cd65d74d0e241b3a152f7347bb66126b705b upstream.
If we have a non-ISOC endpoint, we will not have a Link TRB
pointing to the beginning of the TRB pool. On such endpoints,
we don't want to let the driver wrap around the TRB pool
otherwise controller will hang waiting for a valid TRB.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 075cd14d2a8d35afc39ad28fc7b968275881266b upstream.
We always return zero instead of the id we found.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 28c56ea1431421dec51b7b229369e991481453df upstream.
If USB UTMI PHY is not enable, writing to portsc register will lead to
kernel hang during boot up.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 57e596f3af88ef52dea9640ed5e34ecd38893a02 upstream.
Signed-off-by: Michał Wróbel <michal.wrobel@flytronic.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dc0827c128c0ee5a58b822b99d662b59f4b8e970 upstream.
Add PID 0x6015, corresponding to the new series of FT-X chips
(FT220XD, FT201X, FT220X, FT221X, FT230X, FT231X, FT240X). They all
appear as serial devices, and seem indistinguishable except for the
default product string stored in their EEPROM. The baudrate
generation matches FT232RL devices.
Tested with a FT201X and FT230X at various baudrates (100 - 3000000).
Sample dmesg:
ftdi_sio: v1.6.0:USB FTDI Serial Converters Driver
usb 2-1: new full-speed USB device number 6 using ohci_hcd
usb 2-1: New USB device found, idVendor=0403, idProduct=6015
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1: Product: FT230X USB Half UART
usb 2-1: Manufacturer: FTDI
usb 2-1: SerialNumber: DC001WI6
ftdi_sio 2-1:1.0: FTDI USB Serial Device converter detected
drivers/usb/serial/ftdi_sio.c: ftdi_sio_port_probe
drivers/usb/serial/ftdi_sio.c: ftdi_determine_type: bcdDevice = 0x1000, bNumInterfaces = 1
usb 2-1: Detected FT-X
usb 2-1: Number of endpoints 2
usb 2-1: Endpoint 1 MaxPacketSize 64
usb 2-1: Endpoint 2 MaxPacketSize 64
usb 2-1: Setting MaxPacketSize 64
drivers/usb/serial/ftdi_sio.c: read_latency_timer
drivers/usb/serial/ftdi_sio.c: write_latency_timer: setting latency timer = 1
drivers/usb/serial/ftdi_sio.c: create_sysfs_attrs
drivers/usb/serial/ftdi_sio.c: sysfs attributes for FT-X
usb 2-1: FTDI USB Serial Device converter now attached to ttyUSB0
Signed-off-by: Jim Paris <jim@jtan.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 47594d5528f28a4c025c2955c68104c75815637c upstream.
Signed-off-by: Michał Wróbel <michal.wrobel@flytronic.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c1cee1d84001815a1b4321c49b995254c0df3100 upstream.
Microchip VID (0x04d8) was mislabeled as Hornby VID according to USB-IDs.
A Full Speed USB Demo Board PID (0x000a) was mislabeled as
Hornby Elite (an Digital Command Controller Console for model railways).
Most likely the Hornby based their design on
PIC18F87J50 Full Speed USB Demo Board.
Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 444aa7fa9bd752d19ce472d3e02558b987c3cc67 upstream.
BeagleBone changed to the default FTDI 0403:6010 id in rev A5 to make life
easier for Windows users, so we need a similar workaround as the Calao
board to support it.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 656d2b3964a9d0f9864d472f8dfa2dd7dd42e6c0 upstream.
On some misconfigured ftdi_sio devices, if the manufacturer string is
NULL, the kernel will oops when the device is plugged in. This patch
fixes the problem.
Reported-by: Wojciech M Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Tested-by: Wojciech M Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5889d3d4209c1050b4a3c96c41faf6c0976a4acf upstream.
This device presents a total of 5 interfaces with ff/ff/ff
class/subclass/protocol. The last one of these is verified
to be a QMI/wwan combined interface which should be handled
by the qmi_wwan driver, so we blacklist it here.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 963940cf472d76eca2d36296e461202cc6997352 upstream.
commit 0d905fd "USB: option: convert Huawei K3765, K4505, K4605
reservered interface to blacklist" accidentally ANDed two
blacklist tests by leaving out a return. This was not noticed
because the two consecutive bracketless if statements made it
syntactically correct.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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DE910-DUAL modems
commit 7204cf584836c24b4b06e4ad4a8e6bb8ea84908e upstream.
Adding PID for Telit CC864-SINGLE, CC864-DUAL and DE910-DUAL
modems
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0d8520a1d7f43328bc7085d4244d93c595064157 upstream.
Add MEDIATEK products to Option driver
Signed-off-by: Meng Zhang <meng.zhang@mediatek.com>
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 529febeee680dc22416fca033151a5e8bc620447.
To quote Dirk:
This commit introduces a check for the USB PHY clock.
Problem is that CTRL_PHY_CLK_VALID bit seems not to be present
on all Freescale ehci implementations, at least P1022 does not
have it. So this check always fails and the driver never gets
loaded.
So we need to revert this patch.
Reported-by: Dirk Eibach <Eibach@gdsys.de>
Cc: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This USB-serial cable with mini stereo jack enumerates as:
Bus 001 Device 004: ID 1a61:3410 Abbott Diabetes Care
It is a TI3410 inside.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch (as1521b) fixes the interaction between usb-storage's
scanning thread and the freezer. The current implementation has a
race: If the device is unplugged shortly after being plugged in and
just as a system sleep begins, the scanning thread may get frozen
before the khubd task. Khubd won't be able to freeze until the
disconnect processing is complete, and the disconnect processing can't
proceed until the scanning thread finishes, so the sleep transition
will fail.
The implementation in the 3.2 kernel suffers from an additional
problem. There the scanning thread calls set_freezable_with_signal(),
and the signals sent by the freezer will mess up the thread's I/O
delays, which are all interruptible.
The solution to both problems is the same: Replace the kernel thread
used for scanning with a delayed-work routine on the system freezable
work queue. Freezable work queues have the nice property that you can
cancel a work item even while the work queue is frozen, and no signals
are needed.
The 3.2 version of this patch solves the problem in Bugzilla #42730.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
CC: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The xHCI 0.96 spec says that HS bulk and control endpoint NAK rate must
be encoded as an exponent of two number of microframes. The endpoint
descriptor has the NAK rate encoded in number of microframes. We were
just copying the value from the endpoint descriptor into the endpoint
context interval field, which was not correct. This lead to the VIA
host rejecting the add of a bulk OUT endpoint from any USB 2.0 mass
storage device.
The fix is to use the correct encoding. Refactor the code to convert
number of frames to an exponential number of microframes, and make sure
we convert the number of microframes in HS bulk and control endpoints to
an exponent.
This should be back ported to kernels as old as 2.6.31, that contain the
commit dfa49c4ad120a784ef1ff0717168aa79f55a483a "USB: xhci - fix math
in xhci_get_endpoint_interval"
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Felipe Contreras <felipe.contreras@gmail.com>
Suggested-by: Andiry Xu <andiry.xu@amd.com>
Cc: stable@vger.kernel.org
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The superspeed device attached to a USB 3.0 hub(such as VIA's)
doesn't respond the address device command after resume. The
root cause is the superspeed hub will miss the Hub Depth value
that is used as an offset into the route string to locate the
bits it uses to determine the downstream port number after
reset, and all packets can't be routed to the device attached
to the superspeed hub.
Hub driver sends a Set Hub Depth request to the superspeed hub
except for USB 3.0 root hub when the hub is initialized and
doesn't send the request again after reset due to the resume
process. So moving the code that sends the Set Hub Depth request
to the superspeed hub from hub_configure() to hub_activate()
is to cover those situations include initialization and reset.
The patch should be backported to kernels as old as 2.6.39.
Signed-off-by: Elric Fu <elricfu1@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
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On some systems with an Intel Panther Point xHCI host controller, the
BIOS disables the xHCI PCI device during boot, and switches the xHCI
ports over to EHCI. This allows the BIOS to access USB devices without
having xHCI support.
The downside is that the xHCI BIOS handoff mechanism will fail because
memory mapped I/O is not enabled for the disabled PCI device.
Jesse Barnes says this is expected behavior. The PCI core will enable
BARs before quirks run, but it will leave it in an undefined state, and
it may not have memory mapped I/O enabled.
Make the generic USB quirk handler call pci_enable_device() to re-enable
MMIO, and call pci_disable_device() once the host-specific BIOS handoff
is finished. This will balance the ref counts in the PCI core. When
the PCI probe function is called, usb_hcd_pci_probe() will call
pci_enable_device() again.
This should be back ported to kernels as old as 2.6.31. That was the
first kernel with xHCI support, and no one has complained about BIOS
handoffs failing due to memory mapped I/O being disabled on other hosts
(EHCI, UHCI, or OHCI).
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@vger.kernel.org
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1. Remove all old mass-storage ids's pid:
0x0026,0x0053,0x0098,0x0099,0x0149,0x0150,0x0160;
2. As the pid from 0x1401 to 0x1510 which have not surely assigned to
use for serial-port or mass-storage port,so i think it should be
removed now, and will re-add after it have assigned in future;
3. sort the pid to WCDMA and CDMA.
Signed-off-by: Rui li <li.rui27@zte.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Intel has a PCI USB xhci host controller on a new platform. It doesn't
have a line IRQ definition in BIOS. The Linux driver refuses to
initialize this controller, but Windows works well because it only depends
on MSI.
Actually, Linux also can work for MSI. This patch avoids the line IRQ
checking for USB3 HCDs in usb core PCI probe. It allows the xHCI driver
to try to enable MSI or MSI-X first. It will fail the probe if MSI
enabling failed and there's no legacy PCI IRQ.
This patch should be backported to kernels as old as 2.6.32.
Signed-off-by: Alex Shi <alex.shi@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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The code to set the device removable bits in the USB 2.0 roothub
descriptor was accidentally looking at the USB 3.0 port registers
instead of the USB 2.0 registers. This can cause an oops if there are
more USB 2.0 registers than USB 3.0 registers.
This should be backported to kernels as old as 2.6.39, that contain the
commit 4bbb0ace9a3de8392527e3c87926309d541d3b00 "xhci: Return a USB 3.0
hub descriptor for USB3 roothub."
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Milan Kocian <milon@wq.cz>
Cc: stable <stable@vger.kernel.org>
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
Few fixes for 3.3-rc3, nothing major. Mostly build fixes
introduced recently.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On mips, we got:
drivers/usb/musb/musb_io.h:44: error: conflicting types for 'readsl'
arch/mips/include/asm/io.h:529: error: previous definition of 'readsl' was here
drivers/usb/musb/musb_io.h:46: error: conflicting types for 'readsw'
arch/mips/include/asm/io.h:528: error: previous definition of 'readsw' was here
drivers/usb/musb/musb_io.h:48: error: conflicting types for 'readsb'
so, should add !defined(CONFIG_MIPS) too.
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix kconfig warnings and build errors in UWB/WUSB/USB_HWA etc.
by making all of these related symbols depend on UWB.
warning: (USB_WHCI_HCD && USB_HWA_HCD) selects USB_WUSB which has unmet direct dependencies (USB_SUPPORT && EXPERIMENTAL && USB && PCI && UWB)
warning: (USB_HWA_HCD) selects UWB_HWA which has unmet direct dependencies (UWB && USB)
which lead to:
ERROR: "uwb_rsv_establish" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_pal_register" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rsv_get_usable_mas" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rsv_destroy" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_radio_stop" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rsv_terminate" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_pal_unregister" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_pal_init" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rc_reset_all" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_radio_start" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rsv_create" [drivers/usb/wusbcore/wusbcore.ko] undefined!
ERROR: "uwb_rc_put" [drivers/usb/host/whci/whci-hcd.ko] undefined!
ERROR: "uwb_rc_get_by_grandpa" [drivers/usb/host/whci/whci-hcd.ko] undefined!
ERROR: "__umc_driver_register" [drivers/usb/host/whci/whci-hcd.ko] undefined!
ERROR: "umc_driver_unregister" [drivers/usb/host/whci/whci-hcd.ko] undefined!
ERROR: "whci_wait_for" [drivers/usb/host/whci/whci-hcd.ko] undefined!
ERROR: "uwb_rc_get_by_grandpa" [drivers/usb/host/hwa-hc.ko] undefined!
ERROR: "uwb_rc_put" [drivers/usb/host/hwa-hc.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Netlogic XLP SoC's on-chip USB controller appears as a PCI
USB device, but does not need the EHCI/OHCI handoff done in
usb/host/pci-quirks.c.
The pci-quirks.c is enabled for all vendors and devices, and is
enabled if USB and PCI are configured.
If we do not skip the qurik handling on XLP, the readb() call in
ehci_bios_handoff() will cause a crash since byte access is not
supported for EHCI registers in XLP.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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when missing USB PHY clock, kernel booting up will halt during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hang in this case.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This otg driver depends on marvell EHCI driver, so add the dependence.
It can fix the following build error on i386:
ERROR: "usb_remove_hcd" [drivers/usb/otg/mv_otg.ko] undefined!
ERROR: "usb_add_hcd" [drivers/usb/otg/mv_otg.ko] undefined!
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Distinguish Kconfig text by providing the Freescale family name.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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