Remove strict number check of queues count as various ASICs have
different counts.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The count of CQs can be different for various ASICs, so just define
maximal value and check for that.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With respect to a firmware change, the Switch Multicast ID (SMID)
register is no longer needed, so the related configuration code can be
removed.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The virtgpu driver prints the last_seq variable using the %ld or
%lu format string, which does not work correctly on all architectures
and causes this compiler warning on ARM:
drivers/gpu/drm/virtio/virtgpu_fence.c: In function 'virtio_timeline_value_str':
drivers/gpu/drm/virtio/virtgpu_fence.c:64:22: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'long long int' [-Wformat=]
snprintf(str, size, "%lu", atomic64_read(&fence->drv->last_seq));
^
drivers/gpu/drm/virtio/virtgpu_debugfs.c: In function 'virtio_gpu_debugfs_irq_info':
drivers/gpu/drm/virtio/virtgpu_debugfs.c:37:16: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'long long int' [-Wformat=]
seq_printf(m, "fence %ld %lld\n",
^
In order to avoid the warnings, this changes the format strings to %llu
and adds a cast to u64, which makes it work the same way everywhere.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add myself as the maintainer of the atmel-hlcdc DRM driver.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Pull request of 2015-10-14
* tag 'vmwgfx-fixes-4.3-151014' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix kernel NULL pointer dereference on older hardware
- Fix module CFLAGS setting in workaround for erratum #843419
- Update MINSIGSTKSZ and SIGSTKSZ to match glibc
- Wire up some new compat syscalls
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Here are a few more arm64 fixes for 4.3. Again, nothing too
significant, but worth having nonetheless. The MINSIGSTKSZ update is
a bit grotty, but the value we currently have is wrong (too small), so
anybody using that will have issues already. It has Arnd's ack for
the asm-generic change.
Summary:
- Fix module CFLAGS setting in workaround for erratum #843419
- Update MINSIGSTKSZ and SIGSTKSZ to match glibc
- Wire up some new compat syscalls"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: compat: wire up new syscalls
arm64: Fix MINSIGSTKSZ and SIGSTKSZ
arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419
- Allwinner sun5i A10s had a faulty mapping
- Freescale i.MX25 had some bad arithmetics
- Uniphier PH1-sLD8 missed some input enable settings
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Merge tag 'pinctrl-v4.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
"Here are some overdue (what can I say, I was on a short vacation)
driver fixes for the pin control subsystem:
- Allwinner sun5i A10s had a faulty mapping
- Freescale i.MX25 had some bad arithmetics
- Uniphier PH1-sLD8 missed some input enable settings"
* tag 'pinctrl-v4.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: uniphier: fix input enable settings for PH1-sLD8
pinctrl: imx25: ensure that a pin with id i is at position i in the info array
pinctrl: sun5i: Fix a10s pwm1 pinctrl mapping
This is a workaround for KNL platform, where in some cases MPERF counter
will not have updated value before next read of MSR_IA32_MPERF. In this
case divide by zero will occur. This change ignores current sample for
busy calculation in this case.
Fixes: b34ef932d7 (intel_pstate: Knights Landing support)
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: 4.1+ <stable@vger.kernel.org> # 4.1+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Work around connection namespace lookup bug related to RoCE
- Change usnic license to Dual GPL/BSD (was intended to be that way
all along, but wasn't clear, permission from contributors was
chased down)
- Fix an issue between NFSoRDMA and mlx5 that could cause an oops
- Fix leak of sendonly multicast groups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"We have four batched up patches for the current rc kernel.
Two of them are small fixes that are obvious.
One of them is larger than I would like for a late stage rc pull, but
we found an issue in the namespace lookup code related to RoCE and
this works around the issue for now (we allow a lookup with a
namespace to succeed on RoCE since RoCE namespaces aren't implemented
yet). This will go away in 4.4 when we put in support for namespaces
in RoCE devices.
The last one is large in terms of lines, but is all legal and no
functional changes. Cisco needed to update their files to be more
specific about their license. They had intended the files to be dual
licensed as GPL/BSD all along, and specified that in their module
license tag, but their file headers were not up to par. They
contacted all of the contributors to get agreement and then submitted
a patch to update the license headers in the files.
Summary:
- Work around connection namespace lookup bug related to RoCE
- Change usnic license to Dual GPL/BSD (was intended to be that way
all along, but wasn't clear, permission from contributors was
chased down)
- Fix an issue between NFSoRDMA and mlx5 that could cause an oops
- Fix leak of sendonly multicast groups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/ipoib: For sendonly join free the multicast group on leave
IB/cma: Accept connection without a valid netdev on RoCE
xprtrdma: Don't require LOCAL_DMA_LKEY support for fastreg
usnic: add missing clauses to BSD license
Pull ext4 Kconfig description fixup from Jan Kara:
"A small fixup in description of EXT4_USE_FOR_EXT2 config option"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext4: Update EXT4_USE_FOR_EXT2 description
The vmstat code uses "schedule_delayed_work_on()" to do the initial
startup of the delayed work on the right CPU, but then once it was
started it would use the non-cpu-specific "schedule_delayed_work()" to
re-schedule it on that CPU.
That just happened to schedule it on the same CPU historically (well, in
almost all situations), but the code _requires_ this work to be per-cpu,
and should say so explicitly rather than depend on the non-cpu-specific
scheduling to schedule on the current CPU.
The timer code is being changed to not be as single-minded in always
running things on the calling CPU.
See also commit 874bbfe600 ("workqueue: make sure delayed work run in
local cpu") that for now maintains the local CPU guarantees just in case
there are other broken users that depended on the accidental behavior.
Cc: Christoph Lameter <cl@linux.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull workqueue fixlet from Tejun Heo:
"Single patch to make delayed work always be queued on the local CPU"
This is not actually something we should guarantee, but it's something
we by accident have historically done, and at least one call site has
grown to depend on it.
I'm going to fix that known broken callsite, but in the meantime this
makes the accidental behavior be explicit, just in case there are other
cases that might depend on it.
* 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: make sure delayed work run in local cpu
Those guys already have been helpful in the past and are actively
working on this driver, unlike me.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
When the functions reg_set_rd_driver() and reg_set_rd_country_ie()
return with an error, the calling function already restores data
by calling restore_regulatory_settings(), so there's no need to
also schedule a timeout (which would lead to other side effects
such as indicating CRDA failed, which clearly isn't true.) Remove
the scheduling.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Instead of searching the built-in database only in the worker,
search it directly and return an error if the entry cannot be
found (or memory cannot be allocated.) This means that builtin
database queries no longer rely on the timeout.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The new name is more appropriate since in the case of a built-in
database it may not really rely on CRDA.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The function reg_call_crda() can't actually validly return
REG_REQ_IGNORE as it does now when calling CRDA fails since
that return value isn't handled properly. Fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This fixes flickering issues caused by prematurely firing pflip
interrupts.
v2 (chk): add commit message, fix DCE V10/V11 and DM as well
v3: Re-enable pflip interrupt wherever we re-enable a CRTC
v4: Enable pflip interrupt in DAL as well
v5: drop DAL changes for upstream
v6: (agd): only enable interrupts on crtcs that exist
v7: (agd): integrate suggestions from Michel
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Set the default to 600Mhz if it's not set in the bios,
and bump the default to 600Mhz if it's lower than that.
Port of radeon commit:
9368931db8
v2: clean up the code a bit
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=91896
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A previous patch switched from using the system workqueue to the device
workqueue for various operations. During a device restart the device
workqueue is flushed so the restart cannot use this workqueue or else
a deadlock results. Move the device restart back to using the system
workqueue.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
switchdev: change locking
This is something which I'm currently struggling with.
Callers of attr_set and obj_add/del often hold not only RTNL, but also
spinlock (bridge). So in that case, the driver implementing the op cannot sleep.
The way rocker is dealing with this now is just to invoke driver operation
and go out, without any checking or reporting of the operation status.
Since it would be nice to at least put a warning in case the operation fails,
it makes sense to do this in delayed work directly in switchdev core
instead of implementing this in separate drivers. And that is what this patchset
is introducing.
So from now on, the locking of switchdev mod ops is consistent. Caller either
holds rtnl mutex or in case it does not, caller sets defer flag, telling
switchdev core to process the op later, in deferred queue.
Function to force to process switchdev deferred ops can be called by op
caller in appropriate location, for example after it releases
spin lock, to force switchdev core to process pending ops.
v1->v2:
- rebased on current net-next head (including Scott's ageing patchset)
v2->v3:
- fixed comment s/of/or/ typo suggested by Nik
v3->v4:
- the actual patchset is sent instead of different branch I send in v3 :/
v4->v5:
- added patch to "const" attr param
- reworked deferred ops infrastructure (mainly patch number 1 and
internal users (patch 3 and 5)) - resolves the issue pointed out
by John
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
netdev_for_each_lower_dev has to be called with rtnl mutex held. So
better enforce it in switchdev functions.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
No need to avoid sleeping in switchdev callbacks now, as the switchdev
core allows it.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since spinlock is held here, defer the switchdev operation. Also, ensure
that defered switchdev ops are processed before port master device
is unlinked.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to the attr usecase, the caller knows if he is holding RTNL and is
in atomic section. So let the called to decide the correct call variant.
This allows drivers to sleep inside their ops and wait for hw to get the
operation status. Then the status is propagated into switchdev core.
This avoids silent errors in drivers.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When object is used in deferred work, we cannot use pointers in
switchdev object structures because the memory they point at may be already
used by someone else. So rather do local copy of the value.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Reviewed-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Caller should know if he can call attr_set directly (when holding RTNL)
or if he has to defer the att_set processing for later.
This also allows drivers to sleep inside attr_set and report operation
status back to switchdev core. Switchdev core then warns if status is
not ok, instead of silent errors happening in drivers.
Benefit from newly introduced switchdev deferred ops infrastructure.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce infrastructure which will be used internally to defer ops.
Note that the deferred ops are queued up and either are processed by
scheduled work or explicitly by user calling deferred_process function.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Under certain conditions EMAD responses can be returned from the device
even before setting trans_active. This will cause the EMAD Rx listener
to drop the EMAD response - as there are no active transactions - and
timeouts will be generated.
Fix this by setting trans_active before transmitting the EMAD skb.
Fixes: 4ec14b7634 ("mlxsw: Add interface to access registers and process events")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
this patch fixes a bug in hns driver. when we want to get statistic info
by using ethtool -S, it shows us there are 3 wrong counters info. because
the strings related to the registers are wrong. it needs to modify the
strings which give us wrong info.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: yankejian <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-10-15
This series contains updates to i40e, i40evf and ixgbe.
Emil changes the ixgbe driver to disable LRO by default in favor or GRO.
Mark provides two changes for ixgbe, first fixes a semaphore issue when
a reset never completes, it is necessary to retake the semaphore before
returning.
Jesse fixes up a missing function header comment variable reference. Then
enables ethtool priv flags to control flow director at runtime.
Neerav changes several i40e error messages to debug only since the
messages were printing when there was no functional issue and were meant
for debug only.
Catherine changes the i40e driver to make only X722 support 100M SGMII,
since it is the only device to actually support it.
Anjali modifies the i40e/i40evf driver to add writeback on ITR offload
support for X722 since the device has a way to work around the
descriptor writeback issue.
Mitch cleans up obsolete code. Also reduces the i40evf init time by
shortening up the delays in the init task to aid in performance in
load/unload tests and mitigates DMAR errors in VF enable/disable tests.
Shannon modifies i40e to allow flow director sideband when the device
is in MFP mode and only has one partition enabled, since we still have
plenty of interrupts for managing the flow director activity. Also
cleaned up flow director ATR control in debugfs since the priv flag
has been added to our ethtool interface. Makes several general code
cleanups of redundant or unnecessary code for i40e.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: stable@kernel.org
The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail. While here, move drvdata, too.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail. While here, move drvdata, too.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
A change of return status was introduced in commit 3fffd12839
("i2c: allow specifying separate wakeup interrupt in device tree")
The commit prevents the defer status being passed up the call stack
appropriately when dev_pm_domain_attach returns -EPROBE_DEFER.
Catch the PROBE_DEFER and clear up the IRQ wakeup status
Signed-off-by: Kieran Bingham <kieranbingham@gmail.com>
Fixes: 3fffd12839 ("i2c: allow specifying separate wakeup interrupt in device tree")
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Only call the internal_setup_link method when it is provided. This
check is required for newer version parts.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Darin Miller <darin.j.miller@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Shorten up the delays in the init task, allowing the VF driver to
initialize faster. This aids performance in load/unload tests and
mitigates DMAR errors in VF enable/disable tests with absurdly short
delays. In the real world, the VF driver will come up more quickly.
The original values were set conservatively based on what we expected
from the firmware in terms of performance. Now that the driver is in use
and we know how well firmware responds to our requests, we can shorten
these delays.
Change-ID: Ibead77d34b19e8170e667c3f58bc14748bbc5bc9
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Save a little stack space and remove unnecessary strncpy() with a little
string pointer.
Change-ID: Id2719d34710bfc273d3bb445fec085cd04276e88
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
X722 will report Gen 1x1 in the PCI config space as it is on
IOSF bus, so skip the PCI bus link/speed check.
Change-ID: Icd5f5751dc7fb00dccf0d5dc5a0a644948e7062e
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Store off reported PHY capabilities in link_info structure.
Change-ID: Ife0f037c26983ca985dbf79abf33f8f8791369e8
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Remove a variable declaration inside an if block hiding an existing
declaration at the start of the function.
Also remove a forward function declaration that is no longer needed due
to code re-organization.
Change-ID: I12954668b722718074949c93d74cd20eaacd93e4
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
