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The Tegra USB complex has a particularly annoying misdesign: some of the
UTMI pad configuration registers are global for all the 3 USB controllers
on the chip, but those registers are located in the first controller's
register space and will be cleared when the reset to the first
controller is asserted. Currently, this means that if the 1st controller
were to finish probing after the 2nd or 3rd controller, USB would not
work at all.
Fix this situation by always resetting the 1st controller before doing
any other setup to any of the controllers, and then never ever reset the
first controller again. As the UTMI registers are related to the PHY,
the PHY driver should probably reset the Tegra controllers instead,
but since old device trees only have reset phandles in the EHCI nodes,
do it here, which means a bit of device tree groveling. Those old DTs
also won't get the reset fix from this commit, so we'll dev_warn() them,
but the driver will still keep probing successfully.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cc: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The various devm_ functions allocate memory that is released when a
driver detaches. This patch uses devm_ioremap_resource for data
that is allocated in the probe function of a platform device and
is only freed in the remove function. The corresponding free functions
are removed and two labels are done away with. Also, linux/device.h
is added to make sure the devm_*() routine declarations are
unambiguously available.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The tegra_ehci_hcd structure is located in the private space allocated
by the core USB code so it must not be accessed after the HCD is
freed.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The EHCI packet buffer in/out threshold is programmable for Intel Quark X1000
USB host controller, and the default value is 0x20 dwords. The in/out threshold
can be programmed to 0x80 dwords (512 Bytes) to maximize the perfomrance,
but only when isochronous/interrupt transactions are not initiated by the USB
host controller. This patch is to reconfigure the packet buffer in/out
threshold as maximal as possible to maximize the performance, and 0x7F dwords
(508 Bytes) should be used because the USB host controller initiates
isochronous/interrupt transactions.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@intel.com>
Signed-off-by: Alvin (Weike) Chen <alvin.chen@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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OHCI HCCA memory region is allocated from atomic DMA pool one time
during usb_add_hcd() and deallocated by usb_remove_hcd().
Do non-atomic allocation of OHCI HCCA and free some space in
coherent atomic DMA pool.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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uhci_start() is executed one time during usb_add_hcd() call and by
default UHCI frame list is allocated from atomic DMA pool.
Do non-atomic allocation of uhci->frame and free some space in
coherent atomic DMA pool.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ehci_mem_init() is executed one time during ehci_init() and by default
all memory allocations but ehci->periodic are done not atomically,
GFP_KERNEL is passed as flags parameter.
Do similar allocation for ehci->periodic and free some space in
coherent atomic DMA pool by default.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes checkpatch warning:
"WARNING: debugfs_remove(NULL) is safe this check is probably not required"
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make of_device_id array const, because all OF functions handle
it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make of_device_id array const, because all OF functions handle
it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make of_device_id array const, because all OF functions handle
it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make of_device_id array const, because all OF functions handle
it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch introduces the use of devm_ioremap_resource instead of
request_mem_region and ioremap. The error handling on
platform_get_resource and the error message for ioremap are removed. The
function devm_kzalloc replaces memory allocation by unmanaged kzalloc. The
function calls to free the allocated memory in the probe and remove
functions are done away with. Some labels are removed and a label error
is added to make is less specific to the context. The debug message is
removed as devm_ioremap generates debug messages of its own.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It is no longer needed and keeping it will break 64-bit ARM builds.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As far as kzalloc() is called with spinlock held,
we have to pass GFP_ATOMIC regardless of mem_flags argument.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bit fields are not MP-safe.
Signed-off-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Mickael Maison <mickael.maison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The third argument of devm_of_phy_get expects a pointer.
Hence use NULL instead of 0. Fixes the following warning:
drivers/usb/host/ehci-exynos.c:91:51: warning: Using plain integer as NULL pointer
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The third argument of devm_of_phy_get expects a pointer.
Hence use NULL instead of 0.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a risk that the variable will be used without being initialized.
This was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The file and folder movements resulted in the incorrect reference.
So for better code maintainability, let's remove it.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix checkpatch errors as belows.
ERROR: open brace '{' following function declarations go on the next line
ERROR: space required before the open parenthesis '('
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The R-Car H2 and M2 SoCs come with an xHCI controller that requires
some specific initializations related to the firmware downloading and
some specific registers. This patch adds the support for this special
configuration as an xHCI quirk executed during probe and start.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: "mathias.nyman@intel.com" <mathias.nyman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch introduces the use of managed interface devm_ioremap_resource
for ioremap_nocache and request_mem_region and removes the corresponding
free functions in the probe and remove functions.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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grep must work, not matter the line length.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch remove the function klsi_105_tiocmset which was only
returning -EINVAL. It also removes the function prototype and
the .tiocmset entry in the struct usb_serial_driver.
Verified by compilation only.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Resuming a powered down port sometimes results in the port state being
stuck in the training sequence.
hub 3-0:1.0: debounce: port 1: total 2000ms stable 0ms status 0x2e0
port1: can't get reconnection after setting port power on, status -110
hub 3-0:1.0: port 1 status 0000.02e0 after resume, -19
usb 3-1: can't resume, status -19
hub 3-0:1.0: logical disconnect on port 1
In the case above we wait for the port re-connect timeout of 2 seconds
and observe that the port status is USB_SS_PORT_LS_POLLING (although it
is likely toggling between this state and USB_SS_PORT_LS_RX_DETECT).
This is indicative of a case where the device is failing to progress the
link training state machine.
It is resolved by issuing a warm reset to get the hub and device link
state machines back in sync.
hub 3-0:1.0: debounce: port 1: total 2000ms stable 0ms status 0x2e0
usb usb3: port1 usb_port_runtime_resume requires warm reset
hub 3-0:1.0: port 1 not warm reset yet, waiting 50ms
usb 3-1: reset SuperSpeed USB device number 2 using xhci_hcd
After a reconnect timeout when we expect the device to be present, force
a warm reset of the device. Note that we can not simply look at the
link status to determine if a warm reset is required as any of the
training states USB_SS_PORT_LS_POLLING, USB_SS_PORT_LS_RX_DETECT, or
USB_SS_PORT_LS_COMP_MOD are valid states that do not indicate the need
for warm reset by themselves.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Vincent Palatin <vpalatin@chromium.org>
Cc: Lan Tianyu <tianyu.lan@intel.com>
Cc: Ksenia Ragiadakou <burzalodowa@gmail.com>
Cc: Vivek Gautam <gautam.vivek@samsung.com>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Sunil Joshi <joshi@samsung.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Acked-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When a USB device is disconnected, usb_unbind_interface is called, which
tries to enable and disable LPM. usb_enable_lpm also try to send a
control command SET SEL to the device.
Since device is already disconnected, therefore it does not make sense
to execute usb_(en/dis)able_lpm.
This patch returns from usb_(en/dis)able_lpm, if device was not in
default state atleast.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Tested-by: Aymen Bouattay <aymen.bouattay@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All dwc3 based xhci host controller supports USB3.0 LPM functionality.
Therefore enable it in platform data for all dwc3 based xhci device if
DWC3_HOST_USB3_LPM_ENABLE is selected in Kconfig.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-of-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If an xhci platform supports USB3 LPM capability then enable
XHCI_LPM_SUPPORT quirk flag.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To use auto U0-U1/U2 transition by xhci platform device add
(en/dis)able_usb3_lpm_timeout function to the xhci_plat_xhci_driver struct.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Tested-by: Aymen Bouattay <aymen.bouattay@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As best case, a host controller should support U0 to U1 switching for
the devices connected below any tier of hub level supported by usb
specification. Therefore xhci_check_tier_policy should always return
success as default implementation.
A host should be able to issue LGO_Ux after the timeout calculated as
per definition of system exit latency defined in C.1.5.2. Therefore
xhci_calculate_ux_timeout returns ux_params.sel as the default
implementation.
Use default calculation in absence of any vendor specific limitations.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Tested-by: Aymen Bouattay <aymen.bouattay@st.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'err' is uninitialized, rather print the error code directly.
This also fixes following warning.
drivers/usb/misc/usb3503.c: In function ‘usb3503_probe’:
drivers/usb/misc/usb3503.c:195:11: warning: ‘err’ may be used uninitialized
in this function [-Wmaybe-uninitialized]
dev_err(dev, "unable to request refclk (%d)\n", err);
Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull devicetree bugfix from Grant Likely:
"Important bug fix for parsing 64-bit addresses on 32-bit platforms.
Without this patch the kernel will try to use memory ranges that
cannot be reached"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
of: Check for phys_addr_t overflows in early_init_dt_add_memory_arch
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of 13 fixes, a MAINTAINERS update and a sparse update.
The fixes are mostly correct value initialisations, avoiding NULL
derefs and some uninitialised pointer avoidance.
All the patches have been incubated in -next for a few days. The
final patch (use the scsi data buffer length to extract transfer size)
has been rebased to add a cc to stable, but only the commit message
has changed"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] use the scsi data buffer length to extract transfer size
virtio-scsi: fix various bad behavior on aborted requests
virtio-scsi: avoid cancelling uninitialized work items
ibmvscsi: Add memory barriers for send / receive
ibmvscsi: Abort init sequence during error recovery
qla2xxx: Fix sparse warning in qla_target.c.
bnx2fc: Improve stats update mechanism
bnx2fc: do not scan uninitialized lists in case of error.
fc: ensure scan_work isn't active when freeing fc_rport
pm8001: Fix potential null pointer dereference and memory leak.
MAINTAINERS: Update LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) maintainers Email IDs
be2iscsi: remove potential junk pointer free
be2iscsi: add an missing goto in error path
scsi_error: set DID_TIME_OUT correctly
scsi_error: fix invalid setting of host byte
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Pull drm fixes from Dave Airlie:
"i915, tda998x and vmwgfx fixes,
The main one is i915 fix for missing VGA connectors, along with some
fixes for the tda998x from Russell fixing some modesetting problems.
(still on holidays, but got a spare moment to find these)"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak
which I introduced in the last round of cleanups :("
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix memory leak when calling irq_free_hwirqs()
irqchip: spear_shirq: Fix interrupt offset
irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive
irqchip: armada-370-xp: Mask all interrupts during initialization.
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git://anongit.freedesktop.org/drm-intel
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.
* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
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fix to a 3.15 commit.
* 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
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mode fixes for tda998x.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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Pull md bugfixes from Neil Brown:
"Two minor bugfixes for md in 3.16"
* tag 'md/3.16-fixes' of git://neil.brown.name/md:
md: flush writes before starting a recovery.
md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
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For Haswell and Broadwell, if the display power well has been disabled,
the display audio controller divider values EM4 M VALUE and EM5 N VALUE
will have been lost. The CDCLK frequency is required for reprogramming them
to generate 24MHz HD-A link BCLK. So provide a private interface for the
audio driver to query CDCLK.
This is a stopgap solution until a more generic interface between audio
and display drivers has been implemented.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here's a round of USB bugfixes, quirk additions, and new device ids
for 3.16-rc4. Nothing major in here at all, just a bunch of tiny
changes. All have been in linux-next with no reported issues"
* tag 'usb-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: chipidea: udc: delete td from req's td list at ep_dequeue
usb: Kconfig: make EHCI_MSM selectable for QCOM SOCs
usb-storage/SCSI: Add broken_fua blacklist flag
usb: musb: dsps: fix the base address for accessing the mode register
tools: ffs-test: fix header values endianess
usb: phy: msm: Do not do runtime pm if the phy is not idle
usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq
usb: gadget: gr_udc: Fix check for invalid number of microframes
usb: musb: Fix panic upon musb_am335x module removal
usb: gadget: f_fs: resurect usb_functionfs_descs_head structure
Revert "tools: ffs-test: convert to new descriptor format fixing compilation error"
xhci: Fix runtime suspended xhci from blocking system suspend.
xhci: clear root port wake on bits if controller isn't wake-up capable
xhci: correct burst count field for isoc transfers on 1.0 xhci hosts
xhci: Use correct SLOT ID when handling a reset device command
MAINTAINERS: update e-mail address
usb: option: add/modify Olivetti Olicard modems
USB: ftdi_sio: fix null deref at port probe
MAINTAINERS: drop two usb-serial subdriver entries
USB: option: add device ID for SpeedUp SU9800 usb 3g modem
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver bugfixes from Greg KH:
"Nothing major here, just 4 small bugfixes that resolve some issues
reported for the IIO (staging and non-staging) and the tidspbridge
driver"
* tag 'staging-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: tidspbridge: fix an erroneous removal of parentheses
iio: of_iio_channel_get_by_name() returns non-null pointers for error legs
staging: iio/ad7291: fix error code in ad7291_probe()
iio:adc:ad799x: Fix reading and writing of event values, apply shift
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