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If one storage interface or usb network interface(iSCSI case) exists in
current configuration, memory allocation with GFP_KERNEL during
usb_device_reset() might trigger I/O transfer on the storage interface
itself and cause deadlock because the 'us->dev_mutex' is held in
.pre_reset() and the storage interface can't do I/O transfer when the
reset is triggered by other interface, or the error handling can't be
completed if the reset is triggered by the storage itself (error
handling path).
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Decotigny <david.decotigny@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oneukum@suse.de>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull ARM SoC-specific updates from Arnd Bergmann:
"This is a larger set of new functionality for the existing SoC
families, including:
- vt8500 gains support for new CPU cores, notably the Cortex-A9 based
wm8850
- prima2 gains support for the "marco" SoC family, its SMP based
cousin
- tegra gains support for the new Tegra4 (Tegra114) family
- socfpga now supports a newer version of the hardware including SMP
- i.mx31 and bcm2835 are now using DT probing for their clocks
- lots of updates for sh-mobile
- OMAP updates for clocks, power management and USB
- i.mx6q and tegra now support cpuidle
- kirkwood now supports PCIe hot plugging
- tegra clock support is updated
- tegra USB PHY probing gets implemented diffently"
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
ARM: prima2: remove duplicate v7_invalidate_l1
ARM: shmobile: r8a7779: Correct TMU clock support again
ARM: prima2: fix __init section for cpu hotplug
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
ARM: tegra: sort Kconfig selects for Tegra114
ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
ARM: tegra: Fix build error for gic update
ARM: tegra: remove empty tegra_smp_init_cpus()
ARM: shmobile: Register ARM architected timer
ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
ARM: shmobile: r8a7779: Correct TMU clock support
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
...
Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday."
* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits)
Revert "USB: EHCI: make ehci-vt8500 a separate driver"
Revert "USB: EHCI: make ehci-orion a separate driver"
Revert "USB: update host controller Kconfig entries"
USB: update host controller Kconfig entries
USB: EHCI: make ehci-orion a separate driver
USB: EHCI: make ehci-vt8500 a separate driver
USB: usb-storage: unusual_devs update for Super TOP SATA bridge
USB: ehci-omap: Fix autoloading of module
USB: ehci-omap: Don't free gpios that we didn't request
USB: option: add Huawei "ACM" devices using protocol = vendor
USB: serial: fix null-pointer dereferences on disconnect
USB: option: add Yota / Megafon M100-1 4g modem
drivers/usb: add missing GENERIC_HARDIRQS dependencies
USB: storage: properly handle the endian issues of idProduct
testusb: remove all mentions of 'usbfs'
usb: gadget: imx_udc: make it depend on BROKEN
usb: omap_control_usb: fix compile warning
ARM: OMAP: USB: Add phy binding information
ARM: OMAP2: MUSB: Specify omap4 has mailbox
ARM: OMAP: devices: create device for usb part of control module
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
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This reverts commit d57ada0c37ecf836259c205442c15c7679a6dc3e.
All of these are wrong and need to be reverted for now.
Cc: Manjunath Goudar <manjunath.goudar@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Prisk <linux@prisktech.co.nz>
Cc: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 6ed3c43d05f6d0d55f17947bc287f35318fd96f8.
All of these are wrong, and need to be reverted for now.
Cc: Manjunath Goudar <manjunath.goudar@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit e2ced16661b807b0a5db4f00000eaeb21da4b251.
All of these are wrong, and need to be removed for now until they can
get reworked properly.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
These changes contain the OMAP USB related platform data changes
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597fc7
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
[arnd - resolved the merge conflict]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The recent patches from Manjunath Goudar introduced two small
mistakes in the Kconfig help text for the new options. Let's
fix those and the other entries that have become stale over time.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the multiplatform changes in arm-soc tree, it becomes
possible to enable the mvebu platform (which uses
ehci-orion) at the same time as other platforms that require
a conflicting EHCI bus glue. At the moment, this results
in a warning like
drivers/usb/host/ehci-hcd.c:1297:0: warning: "PLATFORM_DRIVER" redefined [enabled by default]
drivers/usb/host/ehci-hcd.c:1277:0: note: this is the location of the previous definition
drivers/usb/host/ehci-orion.c:334:31: warning: 'ehci_orion_driver' defined but not used [-Wunused-variable]
and an ehci driver that only works on one of them.
With the infrastructure added by Alan Stern in patch 3e0232039
"USB: EHCI: prepare to make ehci-hcd a library module", we can
avoid this problem by turning a bus glue into a separate
module, as we do here for the orion bus glue.
Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the multiplatform changes in arm-soc tree, it becomes
possible to enable the vt8500 platform at the same time
as other platforms that require a conflicting EHCI bus
glue. At the moment, this results in a warning like
drivers/usb/host/ehci-hcd.c:1277:0: warning: "PLATFORM_DRIVER" redefined [enabled by default]
drivers/usb/host/ehci-hcd.c:1257:0: note: this is the location of the previous definition
drivers/usb/host/ehci-omap.c:319:31: warning: 'ehci_hcd_omap_driver' defined but not used [-Wunused-variable]
and an ehci driver that only works on one of them.
With the infrastructure added by Alan Stern in patch 3e0232039
"USB: EHCI: prepare to make ehci-hcd a library module", we can
avoid this problem by turning a bus glue into a separate
module, as we do here for the vt8500 bus glue.
Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current entry in unusual_cypress.h for the Super TOP SATA bridge devices
seems to be causing corruption on newer revisions of this device. This has
been reported in Arch Linux and Fedora. The original patch was tested on
devices with bcdDevice of 1.60, whereas the newer devices report bcdDevice
as 2.20. Limit the UNUSUAL_DEV entry to devices less than 2.20.
This fixes https://bugzilla.redhat.com/show_bug.cgi?id=909591
The Arch Forum post on this is here:
https://bbs.archlinux.org/viewtopic.php?id=152011
Reported-by: Carsten S. <carsteniq@yahoo.com>
Tested-by: Carsten S. <carsteniq@yahoo.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The module alias should be "ehci-omap" and not
"omap-ehci" to match the platform device name.
The omap-ehci module should now autoload correctly.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver does not request any gpios so don't free them.
Fixes L3 bus error on multiple modprobe/rmmod of ehci_hcd
with ehci-omap in use.
Without this patch, EHCI will break on repeated insmod/rmmod
of ehci_hcd for all OMAP2+ platforms that use EHCI and
set 'phy_reset = true' in usbhs_omap_board_data.
i.e.
board-3430sdp.c: .phy_reset = true,
board-3630sdp.c: .phy_reset = true,
board-am3517crane.c: .phy_reset = true,
board-am3517evm.c: .phy_reset = true,
board-cm-t3517.c: .phy_reset = true,
board-cm-t35.c: .phy_reset = true,
board-devkit8000.c: .phy_reset = true,
board-igep0020.c: .phy_reset = true,
board-igep0020.c: .phy_reset = true,
board-omap3beagle.c: .phy_reset = true,
board-omap3evm.c: .phy_reset = true,
board-omap3pandora.c: .phy_reset = true,
board-omap3stalker.c: .phy_reset = true,
board-omap3touchbook.c: .phy_reset = true,
board-omap4panda.c: .phy_reset = false,
board-overo.c: .phy_reset = true,
board-zoom.c: .phy_reset = true,
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The USB device descriptor of one identity presented by a few
Huawei morphing devices have serial functions with class codes
02/02/ff, indicating CDC ACM with a vendor specific protocol. This
combination is often used for MSFT RNDIS functions, and the CDC
ACM class driver will therefore ignore such functions.
The CDC ACM class driver cannot support functions with only 2
endpoints. The underlying serial functions of these modems are
also believed to be the same as for alternate device identities
already supported by the option driver. Letting the same driver
handle these functions independently of the current identity
ensures consistent handling and user experience.
There is no need to blacklist these devices in the rndis_host
driver. Huawei serial functions will either have only 2 endpoints
or a CDC ACM functional descriptor with bmCapabilities != 0, making
them correctly ignored as "non RNDIS" by that driver.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure serial-driver dtr_rts is called with disc_mutex held after
checking the disconnected flag.
Due to a bug in the tty layer, dtr_rts may get called after a device has
been disconnected and the tty-device unregistered. Some drivers have had
individual checks for disconnect to make sure the disconnected interface
was not accessed, but this should really be handled in usb-serial core
(at least until the long-standing tty-bug has been fixed).
Note that the problem has been made more acute with commit 0998d0631001
("device-core: Ensure drvdata = NULL when no driver is bound") as the
port data is now also NULL when dtr_rts is called resulting in further
oopses.
Reported-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Interface layout:
00 CD-ROM
01 debug COM port
02 AP control port
03 modem
04 usb-ethernet
Bus=01 Lev=02 Prnt=02 Port=01 Cnt=02 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0408 ProdID=ea42 Rev= 0.00
S: Manufacturer=Qualcomm, Incorporated
S: Product=Qualcomm CDMA Technologies MSM
S: SerialNumber=353568051xxxxxx
C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=84(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=86(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Synchronize with 'net' in order to sort out some l2tp, wireless, and
ipv6 GRE fixes that will be built on top of in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a couple of missing GENERIC_HARDIRQS dependencies to fix link
errors like below on s390:
ERROR: "devm_request_threaded_irq" [drivers/usb/gadget/mv_udc.ko] undefined!
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1. The idProduct is little endian, so make sure its value to be
compatible with the current CPU. Make no break on big endian processors.
Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This pulls in a bunch of fixes that are in Linus's tree because we need them
here for testing and development.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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that driver hasn't been maintained for quite
some time, at least since e08300043e (ARM:
imx: dynamically allocate imx_udc device).
Because of that, and because driver doesn't
even compile with allyesconfig and allmodconfig,
we're making it depend on BROKEN.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1) It didn't free xfer->seg[0] so there was a leak.
2) xfer->seg[cnt] can be NULL.
3) Use usb_free_urb() for ->dto_urb instead of kfree().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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for NUL terminated string, better notice '\0' in the end.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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for NUL terminated string, better notice '\0' in the end.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc
From Stephen Warren:
ARM: tegra: USB driver cleanup
The Tegra USB driver has a number of issues:
1) The PHY driver isn't a true platform device, and doesn't implement
the standard USB PHY API.
2) struct device instance numbers were used to make decisions in the
driver, rather than being parameterized by DT or platform data.
This pull request solves issue (2), and lays the groundwork for solving
issue (1). The work on issue (1) involved introducing new DT nodes for
the USB PHYs, which in turn interacted with the Tegra common clock
framework changes, due to the move of clock lookups into device tree.
Hence, these USB driver changes are taken through the Tegra tree with
acks from USB maintainers.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-soc-ccf.
* tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
usb: host: tegra: make use of PHY pointer of HCD
ARM: tegra: Add reset GPIO information to PHY DT node
usb: host: tegra: don't touch EMC clock
usb: add APIs to access host registers from Tegra PHY
USB: PHY: tegra: Get rid of instance number to differentiate PHY type
USB: PHY: tegra: get rid of instance number to differentiate legacy controller
ARM: tegra: add clocks properties to USB PHY nodes
ARM: tegra: add DT nodes for Tegra USB PHY
usb: phy: remove unused APIs from Tegra PHY.
usb: host: tegra: Resetting PORT0 based on information received via DT.
ARM: tegra: Add new DT property to USB node.
usb: phy: use kzalloc to allocate struct tegra_usb_phy
ARM: tegra: remove USB address related macros from iomap.h
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new switch command
1. Optimize the match rules with new macro for Huawei USB storage devices,
to avoid to load USB storage driver for the modem interface
with Huawei devices.
2. Add to support new switch command for new Huawei USB dongles.
Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1. Define a new macro for USB storage match rules:
matching with Vendor ID and interface descriptors.
Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add support for Zolix Omni 1509 monochromator custom USB-RS232 converter.
Signed-off-by: Petr Kubánek <petr@kubanek.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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New device with 3 serial interfaces:
If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend) Sub=ff Prot=ff
If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend) Sub=ff Prot=ff
If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend) Sub=ff Prot=ff
If#= 3 Alt= 0 #EPs= 2 Cls=08(stor) Sub=06 Prot=50
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add PID/VID entries for ELV WS 300 PC II weather station
Signed-off-by: Sven Killig <sven@killig.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This adds support for the OWL CM-160 electricity monitor to the cp210x
driver.
Signed-off-by: Luis Llorente <luisllorente@luisllorente.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch (as1654) fixes a very old bug in ehci-hcd, connected with
scheduling of periodic split transfers. The calculations for
full/low-speed bus usage are all carried out after the correction for
bit-stuffing has been applied, but the values in the max_tt_usecs
array assume it hasn't been. The array should allow for allocation of
up to 90% of the bus capacity, which is 900 us, not 780 us.
The symptom caused by this bug is that any isochronous transfer to a
full-speed device with a maxpacket size larger than about 980 bytes is
always rejected with a -ENOSPC error.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch (as1653) fixes a bug in ehci-hcd. Unlike iTD entries, an
siTD entry in the periodic schedule may not complete until the frame
after the one it belongs to. Consequently, when scanning the periodic
schedule it is necessary to start with the frame _preceding_ the one
where the previous scan ended.
Not doing this properly can result in memory leaks and failures to
complete isochronous URBs.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Andy Leiserson <andy@leiserson.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch (as1656) adds a module parameter to the net2280 UDC driver
to force full-speed operation. It is intended for testing purposes,
where one wants to check how well a full-speed device performs when
attached to a high-speed bus. Without this parameter it would be
necessary to interpose a full-speed hub; otherwise the net2280 would
connect at high speed.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The usbtest driver includes some rather simple-minded logic for
selecting an altsetting to test. It doesn't work well for the g_zero
gadget, because it selects altsetting 0 (which doesn't have
isochronous endpoints) rather than altsetting 1 (which does have them,
if the gadget's hardware supports them). This prevents usbtest's
isochronous tests (15, 16, 22, and 23) from working with g_zero.
Since g_zero is one of the most common gadget drivers used for USB
testing, usbtest should do a better job of supporting it. But since
some programs may rely on the current scheme for selecting
altsettings, I didn't want to change it.
Instead, this patch (as1655) adds a module parameter to usbtest, which
can be used to override the default altsetting. Since usbtest is
never used by normal users (most distributions probably don't even
build it), the new module parameter won't inconvenience anybody. In
any case, it is entirely optional -- leaving it unset preserves the
existing behavior.
The patch also fixes a related bug in usbtest: After selecting an
altsetting, the driver neglects to store its selection.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add PID and special handling for Telit LE920
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add VID and PID for Telit Gobi QDL device
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the following sparse warning:
drivers/usb/chipidea/ci13xxx_imx.h:22:25: error: dubious one-bit signed bitfield
drivers/usb/chipidea/ci13xxx_imx.h:22:25: error: dubious one-bit signed bitfield
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix two problems detected by the sparse code analyser:
|drivers/usb/host/isp1760-hcd.c:935:6: warning: symbol 'schedule_ptds' was not declared. Should it be static?
|drivers/usb/host/isp1760-hcd.c:1288:6: warning: symbol 'errata2_function' was not declared. Should it be static?
Signed-off-by: Arvid Brodin <arvid.brodin@xdin.com>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent commits introduced the following
Kconfig warning:
warning: (USB_MUSB_HDRC && OMAP_USB3) selects \
OMAP_CONTROL_USB which has unmet direct \
dependencies (USB_SUPPORT && ARCH_OMAP2PLUS)
This patch just fixes it, by removing the
unnecessary OMAP dependency.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 88bb965ed711e8a5984e70208ebc901a6ff4141f.
The linux-next branch of linux-pm tree has replaced
acpi_power_resource_(un)register_device() with new routines.
Commit 88bb965 will cause conflict in the linux-next tree.
So revert it and this will not affect other functions. Will
send a new patch with new routines after 3.9 merge window.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As pointer to PHY structure can be stored in struct usb_hcd
making use of it, to call Tegra PHY APIs.
Call to usb_phy_shutdown() is moved up in tegra_ehci_remove(),
so that to avoid dereferencing of hcd after its freed up.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Clock "emc" is for the External Memory Controller. The USB driver has no
business touching this clock directly. Remove the code that does so.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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As Tegra PHY driver needs to access one of the host registers,
added few APIs.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
[swarren: moved assignment of phy->is_ulpi_phy to previous patch.]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Tegra20 USB has 3 PHY instances:
Instance 1 and 3 are UTMI. Instance 2 is ULPI.
As instance number was used to differentiate ULPI from UTMI,
used DT param to get this info and processed accordingly.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: Felipe Balbi <balbi@ti.com>
[swarren: moved assignment of phy->is_ulpi_phy into this patch out
of next patch.]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Tegra20 USB has 3 PHY instances. Instance 0 is based on
legacy PHY interface and other two are standard interfaces.
As instance number was used to differentiate legacy from
standard interfaces, used DT param to get this info and
processed accordingly.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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As tegra_usb_phy_clk_disable/enable() are not being
used, removing them.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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