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2018-08-02uio: pruss: fix error handling in probeDan Carpenter1-24/+45
There are two bugs here. First the error codes weren't set on several paths. And second, if the call to request_threaded_irq() inside uio_register_device() fails then it would lead to a double free when we call uio_unregister_device() inside pruss_cleanup(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: add numa_node to sysfsStephen Hemminger2-0/+24
Being able to find the numa_node for a device is useful for userspace drivers (DPDK) and also for diagnosing performance issues. This makes vmbus similar to pci. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: Get rid of MSR access from vmbus_drv.cSunil Muthuswamy2-1/+4
Get rid of ISA specific code from vmus_drv.c which is common code. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdrSunil Muthuswamy1-10/+4
The check to free the Hyper-V control table header was reversed. This fixes it. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmus: Fix the check for return value from kmsg get dump bufferSunil Muthuswamy1-7/+4
The code to support panic control message was checking the return was checking the return value from kmsg_dump_get_buffer as error value, which is not what the routine returns. This fixes it. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27Merge tag 'fsi-updates-2018-07-27' of ↵Greg Kroah-Hartman7-146/+496
git://git.kernel.org/pub/scm/linux/kernel/git/benh/linux-fsi into char-misc-next Ben writes: Last round of FSI updates for 4.19 This adds a few fixes for things reported since the last merge, and the latch batch of changes pending for FSI for 4.19. That batch is a rather mechanical conversion of the misc devices into proper char devices. The misc devices were ill suited, the minor space for them is limited and we can have a lot of chips in a system creating FSI devices. This also allows us to better control (and fix) object lifetime getting rid of the bad devm_kzalloc() of the structures containing the devices etc... Finally, we add a chardev to the core FSI that provides raw CFAM access to FSI slaves as a replacement for the current "raw" binary sysfs file which will be ultimately deprecated and removed.
2018-07-27fsi: Prevent multiple concurrent rescansBenjamin Herrenschmidt2-2/+16
The bus scanning process isn't terribly good at parallel attempts at rescanning the same bus. Let's have a per-master mutex protecting the scanning process. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: Add cfam char devicesBenjamin Herrenschmidt1-51/+213
This aims to deprecate the "raw" sysfs file used for directly accessing the CFAM and instead use a char device like the other sub drivers. Since it reworks the slave creation code and adds a cfam device type, we also use the opportunity to convert the attributes to attribute groups and add a couple more. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: scom: Convert to use the new chardevBenjamin Herrenschmidt1-50/+80
This converts FSI scom to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: sbefifo: Convert to use the new chardevBenjamin Herrenschmidt1-29/+55
This converts FSI sbefifo to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. One side effect is to fix the object lifetime by removing the use of devm_kzalloc() for something that contains kobjects, and using proper reference counting. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: Add new central chardev supportBenjamin Herrenschmidt3-3/+119
The various FSI devices (sbefifo, occ, scom, more to come) currently use misc devices. This is problematic as the minor device space for misc is limited and there can be a lot of them. Also it limits our ability to move them to a dedicated /dev/fsi directory or to be smart about device naming and numbering. It also means we have IDAs on every single of these drivers This creates a common fsi "device_type" for the optional /dev/fsi grouping and a dev_t allocator for all FSI devices. "Legacy" devices get to use a backward compatible numbering scheme (as long as chip id <16 and there's only one copy of a given unit type per chip). A single major number and a single IDA are shared for all FSI devices. This doesn't convert the FSI device drivers to use the new scheme yet, they will be converted individually. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-26fsi: master-ast-cf: Rename dump_trace() to avoid name collisionBenjamin Herrenschmidt1-5/+5
s390 defines a global dump_trace() symbol. Rename ours to dump_ucode_trace() to avoid a collision in build tests. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-26fsi: master-ast-cf: Fix memory leakGustavo A. R. Silva1-2/+4
In case memory resources for *fw* were allocated, release them before return. Addresses-Coverity-ID: 1472044 ("Resource leak") Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-25thunderbolt: Add support for runtime PMMika Westerberg7-20/+276
When Thunderbolt host controller is set to RTD3 mode (Runtime D3) it is present all the time. Because of this it is important to runtime suspend the controller whenever possible. In case of ICM we have following rules which all needs to be true before the host controller can be put to D3: - The controller firmware reports to support RTD3 - All the connected devices announce support for RTD3 - There is no active XDomain connection Implement this using standard Linux runtime PM APIs so that when all the children devices are runtime suspended, the Thunderbolt host controller PCI device is runtime suspended as well. The ICM firmware then starts powering down power domains towards RTD3 but it can prevent this if it detects that there is an active Display Port stream (this is not visible to the software, though). The Thunderbolt host controller will be runtime resumed either when there is a remote wake event (device is connected or disconnected), or when there is access from userspace that requires hardware access. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Remove redundant variable 'approved'Colin Ian King1-2/+0
Variable 'approved' is being assigned but is never used hence it is redundant and can be removed. Cleans up clang warning: warning: variable 'approved' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Use correct ICM commands in system suspendMika Westerberg1-5/+13
The correct way to put the ICM into suspend state is to send it NHI_MAILBOX_DRV_UNLOADS mailbox command. NHI_MAILBOX_SAVE_DEVS is not needed on Intel Titan Ridge so we can skip it. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: No need to take tb->lock in domain suspend/completeMika Westerberg1-14/+1
If the connection manager implementation needs to touch the domain structures it ought to take the lock itself. Currently only ICM implements these hooks and it does not need the lock because we there will be no notifications before driver ready message is sent to it. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Do not unnecessarily call ICM get routeMika Westerberg1-9/+26
This command is not really fast and can make resume time slower. We only need to get route again if the link was changed and during initial device connected message. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Use 64-bit DMA mask if supported by the platformMika Westerberg1-0/+8
PCI defaults to 32-bit DMA mask but this device is capable of full 64-bit addressing, so make sure we first try 64-bit DMA mask before falling back to the default 32-bit. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Fix small typo in variable nameNathan Ciobanu1-1/+1
Fixes small variable name typo and the associated checkpatch spelling warning. Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25fsi: master-ast-cf: Mask unused bits in RTAG/RCRCBenjamin Herrenschmidt1-2/+2
Then reading the RTAG/RCRC "registers" from the coprocessor after a command is complete, mask out the top bits, only keep the relevant bits. Microcode v5 will leave garbage in those top bits as a result of a performance optimization. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> ---
2018-07-24android: binder: Include asm/cacheflush.h after linux/ include filesGuenter Roeck1-1/+3
If asm/cacheflush.h is included first, the following build warnings are seen with sparc32 builds. In file included from arch/sparc/include/asm/cacheflush.h:11:0, from drivers/android/binder.c:54: arch/sparc/include/asm/cacheflush_32.h:40:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration Moving the asm/ include after linux/ includes solves the problem. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24android: binder_alloc: Include asm/cacheflush.h after linux/ include filesGuenter Roeck1-1/+1
If asm/cacheflush.h is included first, the following build warnings are seen with sparc32 builds. In file included from ./arch/sparc/include/asm/cacheflush.h:11:0, from drivers/android/binder_alloc.c:20: ./arch/sparc/include/asm/cacheflush_32.h:40:37: warning: 'struct page' declared inside parameter list Moving the asm/ include after linux/ includes fixes the problem. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: add mei_msg_hdr_init wrapper.Tomas Winkler2-15/+20
Wrap the mei header boilerplate initialization code in mei_msg_hdr_init function. On the way remove 'completed' field from mei_cl_cb structure as this information is already included in the header and is local to particular fragment. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: move hbuf_depth from the mei device to the hw modulesTomas Winkler5-49/+58
The host buffer depth is hardware specific so it's better to handle it inside the me and txe hw modules. In me the depth is read from register in txe it's a constant number. The value is now retrieved via mei_hbuf_depth accessor, while it replaces mei_hbuf_max_len. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: cleanup slots to data conversionsTomas Winkler4-12/+14
Cleanup conversions between slots and data. Define MEI_SLOT_SIZE instead of using 4 or sizeof(u32) across the source code. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24fsi: master-ast-cf: Fix build warnings on 64-bit platformsBenjamin Herrenschmidt1-2/+2
A couple of places forgot the 'z' qualifier for dev_dbg when printing a size_t Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-24Merge tag 'fsi-updates-2018-07-24' of ↵Greg Kroah-Hartman13-62/+2252
git://git.kernel.org/pub/scm/linux/kernel/git/benh/linux-fsi into char-misc-testing Ben writes: This adds support for offloading the FSI low level bitbanging to the ColdFire coprocessor of the Aspeed SoCs. All the pre-requisites have already been merged, this is the final piece in the puzzle. This branch also pull gpio/ib-aspeed which is a topic branch already in gpio/for-next (and thus in next) whic contains pre-requisites. Finally, there's also a bug fix to the sbefifo driver for some inconsistent use of a mutex in the error handling code.
2018-07-23fsi: Add support for device-tree provided chip IDsBenjamin Herrenschmidt1-0/+24
They get retrieved from the device-tree and exposed as an attribute in sysfs Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-23dt-bindings: fsi: Add optional chip-id to CFAMsBenjamin Herrenschmidt1-0/+5
This represents a physical chip in the system and allows a stable numbering scheme to be passed to udev for userspace to recognize which chip is which. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Rob Herring <robh@kernel.org>
2018-07-23fsi: sbefifo: Fix inconsistent use of ffdc mutexBenjamin Herrenschmidt1-4/+9
Some of the exit path missed the unlock. Move the mutex to an outer function to avoid the problem completely Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-23fsi: master-ast-cf: Add new FSI master using Aspeed ColdFireBenjamin Herrenschmidt5-0/+1755
The Aspeed AST2x00 can contain a ColdFire v1 coprocessor which is currently unused on OpenPower systems. This adds an alternative to the fsi-master-gpio driver that uses that coprocessor instead of bit banging from the ARM core itself. The end result is about 4 times faster. The firmware for the coprocessor and its source code can be found at https://github.com/ozbenh/cf-fsi and is system specific. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-23dt-bindings: fsi: Document binding for the fsi-master-ast-cf "device"Benjamin Herrenschmidt1-0/+36
This isn't per-se a real device, it's a pseudo-device that represents the use of the Aspeed built-in ColdFire to implement the FSI protocol by bitbanging the GPIOs instead of doing it from the ARM core. Thus it's a drop-in replacement for the existing fsi-master-gpio pseudo-device for use on systems based on the Aspeed chips. It has most of the same properties, plus some more needed to operate the coprocessor. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Rob Herring <robh@kernel.org>
2018-07-23devres: Add devm_of_iomap()Benjamin Herrenschmidt2-0/+40
There are still quite a few cases where a device might want to get to a different node of the device-tree, obtain the resources and map them. We have of_iomap() and of_io_request_and_map() but they both have shortcomings, such as not returning the size of the resource found (which can be useful) and not being "managed". This adds a devm_of_iomap() that provides all of these and should probably replace uses of the above in most drivers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Joel Stanley <joel@jms.id.au>
2018-07-23Merge remote-tracking branch 'gpio/ib-aspeed' into upstream-readyBenjamin Herrenschmidt2554-20955/+29499
Merge the GPIO tree "ib-aspeed" topic branch which contains pre-requisites for subsequent changes. This branch is also in gpio "next".
2018-07-21uio: add SPDX license tagsStephen Hemminger6-10/+6
For those without any license text present or short reference to GPL, add SPDX tag. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-21uio: fix wrong return value from uio_mmap()Hailong Liu1-1/+1
uio_mmap has multiple fail paths to set return value to nonzero then goto out. However, it always returns *0* from the *out* at end, and this will mislead callers who check the return value of this function. Fixes: 57c5f4df0a5a0ee ("uio: fix crash after the device is unregistered") CC: Xiubo Li <xiubli@redhat.com> Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn> Cc: stable <stable@vger.kernel.org> Signed-off-by: Jiang Biao <jiang.biao2@zte.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-21uio: add SPDX license tagStephen Hemminger1-2/+1
Replace short statement in comment with proper SPDX license tag. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-21Merge tag 'extcon-next-for-4.19' of ↵Greg Kroah-Hartman3-18/+9
git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next Chanwoo writes: Update extcon for 4.19 Detailed description for this pull request: 1. Release locking when sending the connector state in extcon_sync() - Previously, extcon used the spinlock before calling the notifier_call_chain to prevent the scheduled out of task and to prevent the notification delay. When spinlock is locked for sending the notification, deadlock issue occured on the side of extcon consumer device. To fix this issue on extcon consumer device, release locking when sending the connector state. 2. Fix minor issues of extcon provider driver - extcon-intel-int3496.c uses 'linux/gpio/consumer.h' instead of 'linux/gpio.h' - extcon-usbc-cors-ec.c adds SPDX license and fix the wrong license information
2018-07-16misc: vexpress/syscfg: Use devm_ioremap_resource() to map memorySudeep Holla1-7/+3
Instead of checking the return value of platform_get_resource(), we can use devm_ioremap_resource() which has the NULL pointer check and the memory region requesting. devm_ioremap_resource is designed to replace calls to devm_request_mem_region followed by devm_ioremap, so let's use the same. Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16drivers/misc: Aspeed LPC snoop output using misc chardevRobert Lippert1-10/+74
Provides the data bytes snooped over the LPC snoop bus to userspace as a (blocking) misc character device. Bytes output from the host using LPC I/O transactions to the snooped port can be watched or retrieved from the character device using a simple command like this: ~# od -w1 -A n -t x1 /dev/aspeed-lpc-snoop0 10 de ad c0 ff ee Signed-off-by: Robert Lippert <rlippert@google.com> Signed-off-by: Patrick Venture <venture@google.com> Signed-off-by: Benjamin Fair <benjaminfair@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16mei: bus: suppress sign-compare warningsTomas Winkler1-3/+3
Comparison between signed and unsigned warnings and associated type promotion may cause error condition not be detected. The type promotion issue in mei bus was addressed by two patches: commit b40b3e9358fb ("mei: bus: type promotion bug in mei_nfc_if_version()") commit cf1ed2c59b98 ("mei: bus: type promotion bug in mei_fwver()") Now it is possible to suppress the warning, by adding proper casting to move out of radar. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16gnss: fix potential error pointer dereferenceDan Carpenter1-2/+2
The gnss_allocate_device() function returns a mix of NULL and error pointers on error. It should only return one or the other. Since the callers both check for NULL, I've modified it to return NULL on error. Fixes: 2b6a44035143 ("gnss: add GNSS receiver subsystem") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16gnss: ubx: make struct ubx_gserial_ops staticColin Ian King1-1/+1
The structure ubx_gserial_ops is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: symbol 'ubx_gserial_ops' was not declared. Should it be static? Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16virtio: virtconsole: Use seq_file for debugfs operationsTuomas Tynkkynen1-38/+22
Simplifies the code and is more conventional to what's used in the rest of the kernel for debugfs ops. Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com> Reviewed-by: Amit Shah <amit@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16vme: ca91cx42: remove redundant variable iColin Ian King1-2/+0
Variable i is being assigned but is never used hence it is redundant and can be removed. Cleans up clang warning: warning: variable 'i' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-16Merge 4.18-rc5 into char-misc-nextGreg Kroah-Hartman789-4029/+6632
We want the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-15Linux 4.18-rc5v4.18-rc5Linus Torvalds1-1/+1
2018-07-15Merge tag 'armsoc-fixes' of ↵Linus Torvalds4-3/+49
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: - A fix for OMAP5 and DRA7 to make the branch predictor hardening settings take proper effect on secondary cores - Disable USB OTG on am3517 since current driver isn't working - Fix thermal sensor register settings on Armada 38x - Fix suspend/resume IRQs on pxa3xx * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: am3517.dtsi: Disable reference to OMAP3 OTG controller ARM: DRA7/OMAP5: Enable ACTLR[0] (Enable invalidates of BTB) for secondary cores ARM: pxa: irq: fix handling of ICMR registers in suspend/resume ARM: dts: armada-38x: use the new thermal binding
2018-07-15parport: ieee1284: mark expected switch fall-throughsGustavo A. R. Silva1-1/+2
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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