commit 6236dc2e2 ("brcmsmac: remove some redundant chip common workarounds")
removed the last uses.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The spectral data provided via relay-fs introduces a buffering
latency given by the subbuf_size. To meet the requirements for
delay-sensitive applications (like real-time spectral plotter),
reduce subbuf_size and increase n_subbufs.
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
clock should be registered on a given SoC with per-SoC lists.
Basic build, boot, and power management test results are available at:
http://www.pwsan.com/omap/testlogs/jk_clock_flags_cleanup_3.10/20130318100504/
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Merge tag 'omap-cleanup-a-for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.10/cleanup
In the OMAP2+ clock data, replace the flags that determine whether a
clock should be registered on a given SoC with per-SoC lists.
Basic build, boot, and power management test results are available at:
http://www.pwsan.com/omap/testlogs/jk_clock_flags_cleanup_3.10/20130318100504/
Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in function
nf_conntrack_standalone_init().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Marc Kleine-Budde says:
===================
this is a pull-request for net-next/master. It consists of three
patches by Lars-Peter Clausen to clean up the mcp251x spi-can driver,
two patches from Ludovic Desroches to bring device tree support to the
at91_can driver and a patch by me to fix a sparse warning in the
blackfin driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case of fixed speed set up for a NIC (e.g. ethtool -s eth0 autoneg off speed
100 duplex full) with an ethernet cable plugged off, the mentioned algorithm
slows down a NIC speed, so further cable hook-up leads to nonoperable link state.
Signed-off-by: Kirill Kapranov <kapranoff@inbox.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the protection of netns_frags.nqueues updates under the LRU_lock,
instead of the write lock. As they are located on the same cacheline,
and this is also needed when transitioning to use per hash bucket locking.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The LRU list is protected by its own lock, since commit 3ef0eb0db4
(net: frag, move LRU list maintenance outside of rwlock), and
no-longer by a read_lock.
This makes it possible, to remove the inet_frag_queue, which is about
to be "evicted", from the LRU list head. This avoids the problem, of
several CPUs grabbing the same frag queue.
Note, cannot remove the inet_frag_lru_del() call in fq_unlink()
called by inet_frag_kill(), because inet_frag_kill() is also used in
other situations. Thus, we use list_del_init() to allow this
double list_del to work.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a native function to dump hex buffers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In kernel we have fast and pretty implementation of the isxdigit() function.
Let's use it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make few alignments, comment fixes and debug messages.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add full support for "ethtool -m" command.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mail box containing the Vf-Pf messages is susceptible
to a race - it's possible for 2 flows to try and write commands,
causing one to override the other's message.
Use a mutex to synchronize the access, preventing said race.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Outer vlan removal in VF queues was made according to the VF's
multi-function mode (which is never set).
Instead, the PF's multi-function mode should be used to determine
if outer vlan removal is needed.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After a VF performs load/unload its statistics become corrupt -
we now zero the statistics structures upon a VF device load.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If ARI forwarding flag is missing from the PCI bridge, remove SR-IOV
support instead of failing the probe process.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 7fa6f34 "AER revised" erroneously inserted an error-flow
in which a semaphore is released even though the attempt to take it
has failed.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Switch to use the new help skb_probe_transport_header() to do the l4 header
probing for untrusted sources. For packets with partial csum, the header should
already been set by skb_partial_csum_set().
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sometimes, we need probe and set the transport header for packets (e.g from
untrusted source). This patch introduces a new helper
skb_probe_transport_header() which tries to probe and set the l4 header through
skb_flow_dissect(), if not just set the transport header to the hint passed by
caller.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For untrusted packets with partial checksum, we need to set the transport header
for precise packet length estimation. We can just let skb_pratial_csum_set() to
do this to avoid extra call to skb_flow_dissect() and simplify the caller.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes a number of sparse warnings like:
warning: incorrect type in argument 2 (different address spaces)
expected void volatile [noderef] <asn:2>*addr
got unsigned int *<noident>
warning: Using plain integer as NULL pointer
Additionally this fixes a warning from checkpatch.pl like:
WARNING: sizeof pch_param.station should be sizeof(pch_param.station)
Signed-off-by: Sahara <keun-o.park@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When disabling a sprite, wait for the sprite to stop fetching data
from memory before unpinning the fb.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
With unlink is an asynchronous operation in the sillyrename case, it
expects nfs4_async_handle_error() to map the error correctly.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
In the case where an inode has a very stale transaction id (tid) in
i_datasync_tid or i_sync_tid, it's possible that after a very large
(2**31) number of transactions, that the tid number space might wrap,
causing tid_geq()'s calculations to fail.
Commit d9b0193 "jbd: fix fsync() tid wraparound bug" attempted to fix
this problem, but it only avoided kjournald spinning forever by fixing
the logic in jbd_log_start_commit().
Signed-off-by: Jan Kara <jack@suse.cz>
Put a warning into sample hidraw code in samples/hidraw/hid-example.c
in case the userspace headers are missing the necessary defines and
need to be updated.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Here are some fixes which have collected since Linux v3.9-rc1. The most
important one fixes a long-standing regressen which make re-hotplugged
devices unusable when AMD IOMMU is used. The other patches fix build
issues (build regression on OMAP and a section mismatch). One patch just
removes a duplicate header include.
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Merge tag 'iommu-fixes-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Here are some fixes which have collected since Linux v3.9-rc1.
The most important one fixes a long-standing regressen which make
re-hotplugged devices unusable when AMD IOMMU is used.
The other patches fix build issues (build regression on OMAP and a
section mismatch). One patch just removes a duplicate header include."
* tag 'iommu-fixes-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Make sure dma_ops are set for hotplug devices
x86, io_apic: remove duplicated include from irq_remapping.c
iommu: OMAP: build only on OMAP2+
amd_iommu_init: remove __init from amd_iommu_erratum_746_workaround
Commit 06ae43f34b ("Don't bother with redoing rw_verify_area() from
default_file_splice_from()") lost the checks to test existence of the
write/aio_write methods. My apologies ;-/
Eventually, we want that in fs/splice.c side of things (no point
repeating it for every buffer, after all), but for now this is the
obvious minimal fix.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Noticed while reviewing the hotplug irq setup code. Just looks better.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Since for_each_sg_page supports already memory w/o backing pages we can
revert the corresponding workaround.
This reverts commit 5bd4687e57.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The i915 driver uses sg lists for memory without backing 'struct page'
pages, similarly to other IO memory regions, setting only the DMA
address for these. It does this, so that it can program the HW MMU
tables in a uniform way both for sg lists with and without backing pages.
Without a valid page pointer we can't call nth_page to get the current
page in __sg_page_iter_next, so add a helper that relevant users can
call separately. Also add a helper to get the DMA address of the current
page (idea from Daniel).
Convert all places in i915, to use the new API.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From the w/a database:
'To prevent false VT-d type 6 error:
The primary display plane must be 256KiB aligned, and require an extra
128 PTEs of padding afterward;
The sprites planes must be 128KiB aligned, and require an extra 64 PTEs
of padding afterward;
The cursors must be 64KiB aligned, and require an extra 2 PTEs of
padding afterward.'
As we use the same function to pin the primary and sprite planes, we can
simply use the more strict requirements for scanouts for both.
Instead of using explicit padding PTEs following the scanout objects, we
should be able to use the scratch page that is always mapped into the
unused PTEs to avoid the VT-d error.
References: https://bugs.freedesktop.org/show_bug.cgi?id=59626
References: https://bugs.freedesktop.org/show_bug.cgi?id=59627
References: https://bugs.freedesktop.org/show_bug.cgi?id=59631
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Apply s/vtd_wa/vtd_scanout_wa/ bikeshed since Damien likes
it, too.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Now since we have replaced the bits to show interest in hotplug IRQs
we can go and nuke the 'hotplug_supported_mask'.
Signed-off-by: Egbert Eich <eich@suse.de>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
After
"Convert HPD interrupts to make use of HPD pin assignment in encoders."
This function is now basically the same as i915_hpd_irq_setup().
Consolidating both functions in one requires one more check for
I915_HAS_HOTPLUG(dev) in the i965 code path and one more check for
IS_G4X(dev) in the i915 code path. These are considered harmless.
Signed-off-by: Egbert Eich <eich@suse.de>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Fixup patch conflict and make it compile.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This fixes a regression introduced in
commit e5868a318d
Author: Egbert Eich <eich@suse.de>
Date: Thu Feb 28 04:17:12 2013 -0500
DRM/i915: Convert HPD interrupts to make use of HPD pin assignment in encode
Due to the irq setup rework in 3.9, see
commit 20afbda209
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Dec 11 14:05:07 2012 +0100
drm/i915: Fixup hpd irq register setup ordering
Egbert Eich's hpd rework blows up on pch-split platforms - it walks
the encoder list before that has been set up completely. The new init
sequence is:
1. irq enabling
2. modeset init
3. hpd setup
We need to move around the ibx setup a bit to fix this.
Ville Syrjälä pointed out in his review that we can't touch SDEIER
after the interrupt handler is set up, since that'll race with Paulo
Zanoni's PCH interrupt race fix:
commit 44498aea29
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri Feb 22 17:05:28 2013 -0300
drm/i915: also disable south interrupts when handling them
We fix that by unconditionally enabling all interrupts in SDEIER, but
masking them as-needed in SDEIMR. Since only the single-threaded
setup/teardown (or suspend/resume) code touches that, no further
locking is required.
While at it also simplify the mask handling - we start out with all
interrupts cleared in the postinstall hook, and never enable a hpd
interrupt before hpd_irq_setup is called.
And finally, for consistency rename the ibx hpd setup function to
ibx_hpd_irq_setup.
v2: Fix race around SDEIER writes (Ville).
v3: Remove the superflous posting read for SDEIER, spotted by Ville.
Ville also wondered whether we shouldn't clear SDEIIR, since now
SDE interrupts are enabled before we have an irq handler installed.
But the master interrupt control bit in DEIER is still cleared, so we
should be fine.
Cc: Egbert Eich <eich@suse.de>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=62798
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Allocation of the Netlink notification skb can potentially fail
after changing vport configuration. In general, we try to avoid
this by undoing any change we made but that is difficult for existing
objects. This avoids the problem by preallocating the buffer (which
is fixed size).
Signed-off-by: Jesse Gross <jesse@nicira.com>
In unmask_evtchn(), when the mask bit is cleared after testing for
pending and the event becomes pending between the test and clear, then
the upcall will not become pending and the event may be lost or
delayed.
Avoid this by always clearing the mask bit before checking for
pending. If a hypercall is needed, remask the event as
EVTCHNOP_unmask will only retrigger pending events if they were
masked.
This fixes a regression introduced in 3.7 by
b5e579232d (xen/events: fix
unmask_evtchn for PV on HVM guests) which reordered the clear mask and
check pending operations.
Changes in v2:
- set mask before hypercall.
Cc: stable@vger.kernel.org
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
We move the setting of write_cr3 from the early bootup variant
(see git commit 0cc9129d75
"x86-64, xen, mmu: Provide an early version of write_cr3.")
to a more appropiate location.
This new location sets all of the other non-early variants
of pvops calls - and most importantly is before the
alternative_asm mechanism kicks in.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
With the Xen ACPI stub code (CONFIG_XEN_STUB=y) enabled, the power
C and P states are no longer uploaded to the hypervisor.
The reason is that the Xen CPU hotplug code: xen-acpi-cpuhotplug.c
and the xen-acpi-stub.c register themselves as the "processor" type object.
That means the generic processor (processor_driver.c) stops
working and it does not call (acpi_processor_add) which populates the
per_cpu(processors, pr->id) = pr;
structure. The 'pr' is gathered from the acpi_processor_get_info function
which does the job of finding the C-states and figuring out PBLK address.
The 'processors->pr' is then later used by xen-acpi-processor.c (the one that
uploads C and P states to the hypervisor). Since it is NULL, we end
skip the gathering of _PSD, _PSS, _PCT, etc and never upload the power
management data.
The end result is that enabling the CONFIG_XEN_STUB in the build means that
xen-acpi-processor is not working anymore.
This temporary patch fixes it by marking the XEN_STUB driver as
BROKEN until this can be properly fixed.
CC: jinsong.liu@intel.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
The current lpc32xx_defconfig breaks like this, caused by recent phy
restructuring:
LD init/built-in.o
drivers/built-in.o: In function `usb_hcd_nxp_probe':
drivers/usb/host/ohci-nxp.c:224: undefined reference to `isp1301_get_client'
drivers/built-in.o: In function `lpc32xx_udc_probe':
drivers/usb/gadget/lpc32xx_udc.c:3104: undefined reference to
`isp1301_get_client' distcc[27867] ERROR: compile (null) on localhost failed
make: *** [vmlinux] Error 1
Caused by 1c2088812f (usb: Makefile: fix
drivers/usb/phy/ Makefile entry)
This patch fixes this by selecting USB_OTG_UTILS in Kconfig which
causes the phy driver to be built again.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Include zynq clk header where init function is declared.
It removes this sparse warning:
drivers/clk/clk-zynq.c:373:13: warning: symbol
'xilinx_zynq_clocks_init' was not declared. Should it be static?
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
During the introduction of the Allwinner SoC platforms, sunxi was
initially meant as a generic name for all the variants of the Allwinner
SoC.
It was ok at the time of the support of only the A10 and A13 that
look pretty much the same; but it's beginning to be troublesome with
the future addition of the Allwinner A31 (sun6i) that is quite
different, and would introduce some weird logic, where sunxi would
actually mean in some case sun4i and sun5i but without sun6i...
Moreover, it makes the compatible strings naming scheme not consistent
with other architectures, where usually for this kind of compability, we
just use the oldest SoC name that has this IP, so let's do just this.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This patch contains useful bits of information about the sunxi clocks
that may help and/or be interesting for current and future developers.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
In clk_reg_prcmu(), clk->hw.init field is assigned with a
reference local to clk_reg_prcmu() function.
This patch replaces references to clk->hw.init with calls
to __clk_get_name when called after clock registration.
This patch applies on top of v3.9-rc4.
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: resolved trivial merge issues]
Commit ce4f3313b0 (clk: add table lookup to mux) caused the following build
error on imx_v4_v5_defconfig/imx_v6_v7_defconfig:
arch/arm/mach-imx/clk-busy.c:172:11: error: 'struct clk_mux' has no member named 'width'
Fix it by passing the 'mask' field.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: shortened $SUBJECT line]
When calculating "offset" for final RSSI calibration we're using numbers
bigger than s8 can hold. We have for example:
offset[j] = 232 - poll_results[j];
formula. If poll_results[j] is small enough (it usually is) we treat
number's bit as a sign bit. For example 232 - 1 becomes:
0xE8 - 0x1 = 0xE7, which is not 231 but -25.
This code was introduced in e0c9a0219a
and caused stability regression on some cards, for ex. BCM4322.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Would be better maintained by somebody who actualy has time for it.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
il4965_rs_initialize_lq checks to see if sta is null, however, before that
check il4965_rs_use_green dereferences sta when intializing use_green.
Avoid a potential null pointer dereference error by only calling
il4965_rs_use_green after we are sure sta is not null.
Smatch analysis:
drivers/net/wireless/iwlegacy/4965-rs.c:2160 il4965_rs_initialize_lq() warn:
variable dereferenced before check 'sta' (see line 2155)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
