When netvsc device is removed during mtu change or channels setup we get
into troubles as both paths are trying to remove the device. Synchronize
them with start_remove flag and rtnl lock.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify netvsvc pointer graph by getting rid of the redundant ndev
pointer. We can always get a pointer to struct net_device from somewhere
else.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We have the following structures keeping netvsc adapter state:
- struct net_device
- struct net_device_context
- struct netvsc_device
- struct rndis_device
- struct hv_device
and there are pointers/dependencies between them:
- struct net_device_context is contained in struct net_device
- struct hv_device has driver_data pointer which points to
'struct net_device' OR 'struct netvsc_device' depending on driver's
state (!).
- struct net_device_context has a pointer to 'struct hv_device'.
- struct netvsc_device has pointers to 'struct hv_device' and
'struct net_device_context'.
- struct rndis_device has a pointer to 'struct netvsc_device'.
Different functions get different structures as parameters and use these
pointers for traveling. The problem is (in addition to keeping in mind
this complex graph) that some of these structures (struct netvsc_device
and struct rndis_device) are being removed and re-created on mtu change
(as we implement it as re-creation of hyper-v device) so our travel using
these pointers is dangerous.
Simplify this to a the following:
- add struct netvsc_device pointer to struct net_device_context (which is
a part of struct net_device and thus never disappears)
- remove struct hv_device and struct net_device_context pointers from
struct netvsc_device
- replace pointer to 'struct netvsc_device' with pointer to
'struct net_device'.
- always keep 'struct net_device' in hv_device driver_data.
We'll end up with the following 'circular' structure:
net_device:
[net_device_context] -> netvsc_device -> rndis_device -> net_device
-> hv_device -> net_device
On MTU change we'll be removing the 'netvsc_device -> rndis_device'
branch and re-creating it making the synchronization easier.
There is one additional redundant pointer left, it is struct net_device
link in struct netvsc_device, it is going to be removed in a separate
commit.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
netvsc_link_change() can race with netvsc_change_mtu() or
netvsc_set_channels() as these functions destroy struct netvsc_device and
rndis filter. Use start_remove flag for syncronization. As
netvsc_change_mtu()/netvsc_set_channels() are called with rtnl lock held
we need to take it before checking start_remove value in
netvsc_link_change().
Reported-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct netvsc_device is destroyed on mtu change so keeping the
protection flag there is not a good idea. Move it to struct
net_device_context which is preserved.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The framework only asserts (for now) that the reset gpio is not active.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When this_order variable in blk_mq_init_rq_map() becomes zero
the code incorrectly decrements the variable and passes the result
to order_to_size() helper causing undefined behaviour:
UBSAN: Undefined behaviour in block/blk-mq.c:1459:27
shift exponent 4294967295 is too large for 32-bit type 'unsigned int'
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc6-00072-g33656a1 #22
Fix the code by checking this_order variable for not having the zero
value first.
Reported-by: Meelis Roos <mroos@linux.ee>
Fixes: 320ae51fee ("blk-mq: new multi-queue block IO queueing mechanism")
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Some ethernet adapter vendors are supplying products which support optional
(payed license) features. On some adapters this includes a hardware iscsi
initiator. The same adapters in a normal (no extra licenses) mode of
operation can be used as a software iscsi initiator. In addition, software
iscsi boot initiators are becoming a standard part of many vendors uefi
implementations. This is creating difficulties during early boot/install
determining the proper configuration method for these adapters when they
are used as a boot device.
The attached patch creates sysfs entries to expose information from the
acpi header of the ibft table. This information allows for a method to
easily determining if an ibft table was created by a ethernet card's
firmware or the system uefi/bios. In the case of a hardware initiator this
information in combination with the pci vendor and device id can be used
to ascertain any vendor specific behaviors that need to be accommodated.
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: David Bond <dbond@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
The iBFT table only specifies a prefix length, not a netmask.
And the netmask is pretty much pointless for IPv6.
So introduce a new attribute 'prefix-len'.
Some older user-space code might rely on the netmask attribute
being present, so we should always display it.
Changes from v1:
- Combined two patches into one
Changes from v2:
- Cleaned up/corrected wording for patch description
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
* acpi-pci:
ACPI,PCI,IRQ: remove SCI penalize function
ACPI,PCI,IRQ: remove redundant code in acpi_irq_penalty_init()
ACPI,PCI,IRQ: reduce static IRQ array size to 16
ACPI,PCI,IRQ: reduce resource requirements
* acpi-misc:
ACPI / sysfs: fix error code in get_status()
ACPI / device_sysfs: Clean up checkpatch errors
ACPI / device_sysfs: Change _SUN and _STA show functions error return to EIO
ACPI / device_sysfs: Add sysfs support for _HRV hardware revision
arm64: defconfig: Enable ACPI
ACPI / ARM64: Remove EXPERT dependency for ACPI on ARM64
ACPI / ARM64: Don't enable ACPI by default on ARM64
acer-wmi: Use acpi_dev_found()
eeepc-wmi: Use acpi_dev_found()
ACPI / utils: Rename acpi_dev_present()
* acpi-tools:
tools/power/acpi: close file only if it is open
* acpica: (41 commits)
ACPICA: Update version to 20160422
ACPICA: Move all ASCII utilities to a common file
ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support for acpi_hw_write()
ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support in acpi_hw_read()
ACPICA: Executer: Introduce a set of macros to handle bit width mask generation
ACPICA: Hardware: Add optimized access bit width support
ACPICA: Utilities: Add ACPI_IS_ALIGNED() macro
ACPICA: Renamed some #defined flag constants for clarity
ACPICA: ACPI 6.0, tools/iasl: Add support for new resource descriptors
ACPICA: ACPI 6.0: Update _BIX support for new package element
ACPICA: ACPI 6.1: Support for new PCCT subtable
ACPICA: Refactor evaluate_object to reduce nesting
ACPICA: Divergence: remove unwanted spaces for typedef
ACPICA: Update version to 20160318
ACPICA: Namespace: Reorder \_SB._INI to make sure it is evaluated before _REG evaluations
ACPICA: Events: Fix an issue that _REG association can happen before namespace is initialized
ACPICA: Tables: Fix wrong MLC condition for dynamic table loading
ACPICA: Interpreter: Fix wrong conditions for acpi_ev_install_region_handlers() invocation
ACPICA: Hardware: Enhance acpi_hw_validate_register() with access_width/bit_offset awareness
Utilities: Fix missing parentheses in ACPI_GET_BITS()/ACPI_SET_BITS()
...
The updates this time around are almost all driver code:
- Further slow progress on the topology code.
- Substantial updates and improvements for the da7219, es8328, fsl-ssi
Intel and rcar drivers.
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Merge tag 'asoc-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.7
The updates this time around are almost all driver code:
- Further slow progress on the topology code.
- Substantial updates and improvements for the da7219, es8328, fsl-ssi
Intel and rcar drivers.
* pm-devfreq:
PM / devfreq: style/typo fixes
PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus
PM / devfreq: event: Find the instance of devfreq-event device by using phandle
PM / devfreq: event: Add new Exynos NoC probe driver
MAINTAINERS: Add samsung bus frequency driver entry
PM / devfreq: exynos: Remove unused exynos4/5 busfreq driver
PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line
PM / devfreq: exynos: Update documentation for bus devices using passive governor
PM / devfreq: exynos: Add support of bus frequency of sub-blocks using passive governor
PM / devfreq: Add new passive governor
PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier
PM / devfreq: Add devfreq_get_devfreq_by_phandle()
PM / devfreq: exynos: Add documentation for generic exynos bus frequency driver
PM / devfreq: exynos: Add generic exynos bus frequency driver
* pm-cpuidle:
cpuidle: Replace ktime_get() with local_clock()
drivers: firmware: psci: use const and __initconst for psci_cpuidle_ops
soc: qcom: spm: Use const and __initconst for qcom_cpuidle_ops
ARM: cpuidle: constify return value of arm_cpuidle_get_ops()
ARM: cpuidle: add const qualifier to cpuidle_ops member in structures
intel_idle: add BXT support
cpuidle: Indicate when a device has been unregistered
* pm-cpufreq: (63 commits)
intel_pstate: Clean up get_target_pstate_use_performance()
intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
intel_pstate: Clarify average performance computation
intel_pstate: Avoid unnecessary synchronize_sched() during initialization
cpufreq: schedutil: Make default depend on CONFIG_SMP
cpufreq: powernv: del_timer_sync when global and local pstate are equal
cpufreq: powernv: Move smp_call_function_any() out of irq safe block
intel_pstate: Clean up intel_pstate_get()
cpufreq: schedutil: Make it depend on CONFIG_SMP
cpufreq: governor: Fix handling of special cases in dbs_update()
cpufreq: intel_pstate: Ignore _PPC processing under HWP
cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
cpufreq: tango: Use generic platdev driver
cpufreq: Fix GOV_LIMITS handling for the userspace governor
cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/
cpufreq: dt: Kill platform-data
mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared
cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
cpufreq: governor: Change confusing struct field and variable names
cpufreq: intel_pstate: Enable PPC enforcement for servers
...
* pm-opp:
PM / OPP: Move CONFIG_OF dependent code in a separate file
PM / OPP: add non-OF versions of dev_pm_opp_{cpumask_, }remove_table
PM / OPP: pass cpumask by reference
PM / OPP: Add dev_pm_opp_get_sharing_cpus()
PM / OPP: Mark cpumask as const in dev_pm_opp_set_sharing_cpus()
PM / OPP: -ENOSYS is applicable only to syscalls
PM / OPP: Mark shared-opp for non-dt case
PM / OPP: Relocate dev_pm_opp_set_sharing_cpus()
PM / OPP: dev_pm_opp_set_sharing_cpus() doesn't depend on CONFIG_OF
PM / OPP: Add missing doc style comments
PM / OPP: Propagate the error returned by _find_opp_table()
When reverting an update property changeset entry that created a
property the reverse operation is a remove property and not an update.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This returns the allocate memory chunk, storing the unflattened device
tree, from of_fdt_unflatten_tree() so that memory chunk can be released
on demand in PowerNV PCI hotplug driver.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This adds one more argument to of_fdt_unflatten_tree() to specify
the parent node of the FDT blob that is going to be unflattened.
In the result, the function can be used to unflatten FDT blob that
represents device sub-tree in PowerNV PCI hotplug driver.
Cc: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This renames unflatten_dt_node() to unflatten_dt_nodes() as it
populates multiple device nodes from FDT blob. No logical changes
introduced.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
In current implementation, unflatten_dt_node() is called recursively
to unflatten device nodes in FDT blob. It's stress to limited stack
capacity, especially to adopt the function to unflatten device sub-tree
that possibly has multiple root nodes. In that case, we runs out of
stack and the system can't boot up successfully.
In order to reuse the function to unflatten device sub-tree, this avoids
calling the function recursively, meaning the device nodes are unflattened
in one call on unflatten_dt_node(): two arrays are introduced to track the
parent path size and the device node of current level of depth, which will
be used by the device node on next level of depth to be unflattened. All
device nodes in more than 64 level of depth are dropped and hopefully,
the system can boot up successfully with the partial device-tree.
Also, the parameter "poffset" and "fpsize" are unused and dropped and the
parameter "dryrun" is figured out from "mem == NULL". Besides, the return
value of the function is changed to indicate the size of memory consumed by
the unflatten device tree or error code.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
The function unflatten_dt_node() is called recursively to unflatten
device nodes and properties in the FDT blob. It looks complicated
and hard to be understood.
This splits the function into 3 functions: populate_properties(),
populate_node() and unflatten_dt_node(). populate_properties(),
which is called by populate_node(), creates properties for the
indicated device node. The later one creates the device nodes
from FDT blob. populate_node() gets the offset in FDT blob for
next device nodes and then calls populate_node(). No logical
changes introduced.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Some eMMCs set the partition switch timeout too low.
Now typically eMMCs are considered a critical component (e.g. because
they store the root file system) and consequently are expected to be
reliable. Thus we can neglect the use case where eMMCs can't switch
reliably and we might want a lower timeout to facilitate speedy
recovery.
Although we could employ a quirk for the cards that are affected (if
we could identify them all), as described above, there is little
benefit to having a low timeout, so instead simply set a minimum
timeout.
The minimum is set to 300ms somewhat arbitrarily - the examples that
have been seen had a timeout of 10ms but were sometimes taking 60-70ms.
Cc: stable@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested on a Salvator-X board with a Spectec SDW-823 WLAN card.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
I have two SDIO WLAN cards which specify being SDIO Rev. 1.1 cards but
their FUNCE tuple reports the smaller size of a Rev 1.0 card. So,
enforce 1.0 on these cards to avoid reading the not present registers.
They are not really used anyhow. My cards initialize properly after this
patch.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Correct what appears to be a typo in the name of the sd-uhs-sdr50.
Also fix mixed tab/space indentation.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
I have some more additions planned for this driver, so I'd like to get
notified of other changes and coordinate them. Drop Ian as maintainer
because he hasn't been involved in development for a while. Thanks for
all the initial work, of course! Also, reflect the recent changes to
the include file layout.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Ian Molton <ian@mnementh.co.uk>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add some logging to make it clear just how the emmc timeout
was handled.
Signed-off-by: Ken Sumrall <ksumrall@android.com>
[AmitP: cherry-picked this Android patch from aosp
common kernel android-4.4]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
After commit d6463f170cf0 ("mmc: sdhci: Remove redundant runtime PM calls"),
some of original sdhci_do_xx() function wrappers becomes meaningless,
so remove them.
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A 'struct bio' is allocated in scrub_missing_raid56_pages(), but it was never
freed anywhere.
Signed-off-by: Scott Talbert <scott.talbert@hgst.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Issue:
As a master, the PCI IP block can combine a memory write to the last PCI
double word (4 bytes) of a cacheline with a 4 byte memory write to the
first PCI double word of the subsequent cacheline. This affects 32-bit
PCI target devices that blindly assert STOP on memory-write transactions,
without detecting that the data beat being transferred is the last data
beat of the transaction. It can cause a hang. PCI-X operation is not
affected by this erratum.
Workaround:
Setting the bit MDS in the PCI Bus Function Register will disable the
combining of crossing cacheline boundary requests into one burst
transaction. Therefore, it can prevent the errata scenario from
occurring.
This errata exists in MPC8543, MPC8543E, MPC8545, MPC8545E, MPC8547,
MPC8547E, MPC8548 and MPC8548E. Refer to PCI 5 in MPC8548 errata
document.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Zhiqiang Hou <Zhiqiang.Hou@freescale.com>
[scottwood: whitespace fix]
Signed-off-by: Scott Wood <oss@buserror.net>
On the t208xrdb and t1040rdb, the SPI device is n25q512ax3
instead of n25q512a.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@freescale.com>
Signed-off-by: Scott Wood <oss@buserror.net>
The new signal_pending exit path in __rwsem_down_write_failed_common()
was fingered as breaking his kernel by Tetsuo Handa.
Upon inspection it was found that there are two things wrong with it;
- it forgets to remove WAITING_BIAS if it leaves the list empty, or
- it forgets to wake further waiters that were blocked on the now
removed waiter.
Especially the first issue causes new lock attempts to block and stall
indefinitely, as the code assumes that pending waiters mean there is
an owner that will wake when it releases the lock.
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Waiman Long <Waiman.Long@hpe.com>
Link: http://lkml.kernel.org/r/20160512115745.GP3192@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-05-14
This series contains updates to i40e and i40evf.
Kevin adds support to disable link on all ports and changes bits set
for telling firmware the PHY needs to be modified by the driver.
Anjali adds a feature to enable/disable all multicast for a trusted
VF. Added priv-flag knob to configure global true promiscuous
support.
Shannon adds the support code for calling the admin queue API call
aq_set_switch_config().
Mitch modifies the VF, to log a message if an untrusted VF attempts to
configure promiscuous mode, but lies to it and returns everything is ok
instead of returning an error. Corrects the logic for reporting the
receive packet hash. Fixed the adding of a broadcast filter for VFs,
since that all VSIs are configured to receive broadcasts as default,
so do not need to add a filter.
Catherine refactors the ethtool get_settings to report the possible
supported link modes from what we know about the current PHY type and
that with the firmware supported PHY types.
Jacob changes the driver to use WARN_ONCE in order to highlight the
issue, but do not display a warning every time when receive hang
message is received.
Akeem corrects receive ptype payload layer for non_tunneled IPv6, when
it should be layer 4 for UDP, instead of layer 3.
Dan Carpenter fixes an uninitialized variable bug.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: updates for net-next.
Non-critical bug fixes, improvements, a new ethtool feature, and a new
device ID.
v2: Fixed a bug in bnxt_get_module_eeprom() found by Ben Hutchings.
Ajit Khaparde (2):
bnxt_en: Add Support for ETHTOOL_GMODULEINFO and ETHTOOL_GMODULEEEPRO
bnxt_en: Report PCIe link speed and width during driver load
Michael Chan (6):
bnxt_en: Reduce maximum ring pages if page size is 64K.
bnxt_en: Improve the delay logic for firmware response.
bnxt_en: Fix length value in dmesg log firmware error message.
bnxt_en: Simplify and improve unsupported SFP+ module reporting.
bnxt_en: Add BCM57314 device ID.
bnxt_en: Use dma_rmb() instead of rmb().
Satish Baddipadige (1):
bnxt_en: Fix invalid max channel parameter in ethtool -l.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the weaker but more appropriate dma_rmb() to order the reading of
the completion ring.
Suggested-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code is more complicated than necessary and can only report
unsupported SFP+ module if it is plugged in after the device is up.
Rename bnxt_port_module_event() to bnxt_get_port_module_status(). We
already have the current module_status in the link_info structure, so
just check that and report any unsupported SFP+ module status. Delete
the unnecessary last_port_module_event. Call this function at the
end of bnxt_open to report unsupported module already plugged in.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
