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Adds support for VF link initialization and offload features.
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug report from Debian [0] shows there's minor changed model of
Linkstation LS-GL that uses the 2nd SATA port of the SoC.
So it's necessary to enable two SATA ports, though for that specific
model only the 2nd one is used.
[0] https://bugs.debian.org/845611
Fixes: b1742ffa9ddb ("ARM: dts: orion5x: add device tree for buffalo linkstation ls-gl")
Reported-by: Ryan Tandy <ryan@nardis.ca>
Tested-by: Ryan Tandy <ryan@nardis.ca>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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RFS is not commonly used, so add a jump label to avoid some conditionals
in fast path.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove first zero for add, and use full attribute name in comments.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Niklas Cassel says:
====================
net: stmmac: make DMA programmable burst length more configurable
Make DMA programmable burst length more configurable in the stmmac driver.
This is done by adding support for independent pbl for tx/rx through DT.
More fine grained tuning of pbl is possible thanks to a DT property saying
that we should NOT multiply pbl values by x8/x4 in hardware.
All new DT properties are optional, and created in a way that it will not
affect any existing DT configurations.
Changes since V1:
Created cover-letter.
Rebased patch set against next-20161205, since conflicting patches to
stmmac_platform.c has been merged since V1.
Changes since V2:
Moved default value initialization of pbl to stmmac_platform.c
and added a check for pbl != 0 in stmmac_main.c,
to catch a possble pbl == 0 from pci glue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver currently always sets the PBLx8/PBLx4 bit, which means that
the pbl values configured via the pbl/txpbl/rxpbl DT properties are
always multiplied by 8/4 in the hardware.
In order to allow the DT to configure lower pbl values, while at the
same time not changing behavior of any existing device trees using the
pbl/txpbl/rxpbl settings, add a property to disable the multiplication
of the pbl by 8/4 in the hardware.
Suggested-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GMAC and newer supports independent programmable burst lengths for
DMA tx/rx. Add new optional devicetree properties representing this.
To be backwards compatible, snps,pbl will still be valid, but
snps,txpbl/snps,rxpbl will override the value in snps,pbl if set.
If the IP is synthesized to use the AXI interface, there is a register
and a matching DT property inside the optional stmmac-axi-config DT node
for controlling burst lengths, named snps,blen.
However, using this register, it is not possible to control tx and rx
independently. Also, this register is not available if the IP was
synthesized with, e.g., the AHB interface.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DMA_BUS_MODE_RPBL_MASK is really 6 bits,
just like DMA_BUS_MODE_PBL_MASK.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 64c3b252e9fc ("net: stmmac: fixed the pbl setting with DT")
changed the parsing of the DT binding.
Before 64c3b252e9fc, snps,fixed-burst and snps,mixed-burst were parsed
regardless if the property snps,pbl existed or not.
After the commit, fixed burst and mixed burst are only parsed if
snps,pbl exists. Now when snps,aal has been added, it too is only
parsed if snps,pbl exists.
Since the DT binding does not specify that fixed burst, mixed burst
or aal depend on snps,pbl being specified, undo changes introduced
by 64c3b252e9fc.
The issue commit 64c3b252e9fc ("net: stmmac: fixed the pbl setting with
DT") tries to address is solved in another way:
The databook specifies that all values other than
1, 2, 4, 8, 16, or 32 results in undefined behavior,
so snps,pbl = <0> is invalid.
If pbl is 0 after parsing, set pbl to DEFAULT_DMA_PBL.
This handles the case where the property is omitted, and also handles
the case where the property is specified without any data.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use struct stmmac_dma_cfg *dma_cfg as an argument rather
than using all the struct members as individual arguments.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All drivers except pci glue layer calls stmmac_probe_config_dt.
stmmac_probe_config_dt does a kzalloc dma_cfg.
pci glue layer does kzalloc dma_cfg explicitly, so all current
drivers does a kzalloc dma_cfg.
Return an error if no DMA configuration is found, that way
we can assume that the DMA configuration always exists.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an error occurs when enabling a slot, pciehp_power_thread() turns off
the power indicator. But if the only error is that the slot was already
enabled, we should leave the power indicator on.
Return success if called to enable an already-enabled slot.
This is in the same spirit of the special handling for EEXISTS when
pciehp_configure_device() determines the slot devices already exist.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
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Telit LE922A MBIM based composition does not work properly
with altsetting toggle done in cdc_ncm_bind_common.
This patch adds CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE quirk
to avoid this procedure that, instead, is mandatory for
other modems.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When create the super-block information, We do not need to do this
recovery stage, only need to initialize some variables.
Signed-off-by: JackieLiu <liuyun01@kylinos.cn>
Reviewed-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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Use module_pci_driver() to get rid of some boilerplate code.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The calculation of SPR and SPPR doesn't round correctly at several
places which might result in baud rates that are too big. For example
with tclk_hz = 250000001 and target rate 25000000 it determined a
divider of 10 which is wrong.
Instead of fixing all the corner cases replace the calculation by an
algorithm without a loop which should even be quicker to execute apart
from being correct.
Fixes: df59fa7f4bca ("spi: orion: support armada extended baud rates")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch will fix the checkpatch.pl following warnings:
WARNING: Missing a blank line after declarations
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Manjunath Goudar <csmanjuvijay@gmail.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove usb_disabled() extern declaration as it is already declared
as extern in include/linux/usb.h.
Signed-off-by: Manjunath Goudar <csmanjuvijay@gmail.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove usb_disabled() extern declaration as it is already declared
as extern in include/linux/usb.h.
Signed-off-by: Manjunath Goudar <csmanjuvijay@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix variable type for dev_err about usb_bulk_msg()
Signed-off-by: Kim Jae Joong <climbbb.kim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Simon Horman says:
====================
net/sched: cls_flower: Support matching on ICMP
this series adds support for matching on ICMP type and code to cls_flower.
Changes v5->v6:
* Restore missing signed-off-by
Changes v4->v5:
* Drop all helpers
Changes v3->v4:
* Do not add icmp to struct flow_keys, it is not needed
* Do not test for ICMP protocols in packet in __skb_flow_dissect,
this is also not needed
Changes v2->v3:
* Add FLOW_DISSECTOR_KEY_ICMP and use separate structure for ICMP
Changes v1->v2:
* Include all dissector helpers in first patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support matching on ICMP type and code.
Example usage:
tc qdisc add dev eth0 ingress
tc filter add dev eth0 protocol ip parent ffff: flower \
indev eth0 ip_proto icmp type 8 code 0 action drop
tc filter add dev eth0 protocol ipv6 parent ffff: flower \
indev eth0 ip_proto icmpv6 type 128 code 0 action drop
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow dissection of ICMP(V6) type and code. This should only occur
if a packet is ICMP(V6) and the dissector has FLOW_DISSECTOR_KEY_ICMP set.
There are currently no users of FLOW_DISSECTOR_KEY_ICMP.
A follow-up patch will allow FLOW_DISSECTOR_KEY_ICMP to be used by
the flower classifier.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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devicetree binding for stmmac states:
- compatible: Should be "snps,dwmac-<ip_version>", "snps,dwmac"
For backwards compatibility: "st,spear600-gmac" is also supported.
Previously, when specifying "snps,dwmac-4.10a", "snps,dwmac" as your
compatible string, plat_stmmacenet_data would have both has_gmac and
has_gmac4 set.
This would lead to stmmac_hw_init calling dwmac1000_setup rather than
dwmac4_setup, resulting in a non-functional driver.
This happened since the check for has_gmac is done before the check for
has_gmac4. However, the order should not matter, so it does not make sense
to have both set.
If something is valid for both, you should do as the stmmac_interrupt does:
if (priv->plat->has_gmac || priv->plat->has_gmac4) ...
The places where it was obvious that the author actually meant
if (has_gmac || has_gmac4) rather than if (has_gmac) has been updated.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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devicetree binding for stmmac states:
- compatible: Should be "snps,dwmac-<ip_version>", "snps,dwmac"
For backwards compatibility: "st,spear600-gmac" is also supported.
Since dwmac-generic.c calls stmmac_probe_config_dt explicitly,
another alternative would have been to remove all compatible strings
other than "snps,dwmac" and "st,spear600-gmac" from dwmac-generic.c.
However, that would probably do more good than harm, since when trying
to figure out what hardware a certain driver supports, you usually look
at the compatible strings in the struct of_device_id, and not in some
function defined in a completely different file.
No functional change intended.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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snps,tso was previously placed under AXI BUS Mode parameters,
suggesting that the property should be in the stmmac-axi-config node.
TSO (TCP Segmentation Offloading) has nothing to do with AXI BUS Mode
parameters, and the parser actually expects it to be in the root node,
not in the stmmac-axi-config.
Also added a note about snps,tso only being available on GMAC4 and newer.
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Although being a GPU driver most functionality of i915.ko depends upon
real hardware, many of its internal interfaces can be "mocked" and so
tested independently of any hardware. Expanding the test coverage is not
only useful for i915.ko, but should provide some integration tests for
core infrastructure as well.
Loading i915.ko with mock_selftests=-1 will cause it to execute its mock
tests then fail with -ENOTTY. If the driver is already loaded and bound
to hardware, it requires a few more steps to unbind, and so the simple
preliminary modprobe -r will fail.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Do not open code getting the MAC address exclusively from the
"local-mac-address" property, but instead use of_get_mac_address()
which looks up the MAC address using the 3 typical property names.
Also avoid casting away the const qualifier of the return value by
making temac_init_mac_address() take a const void* address.
Follows commit b34296a9c047 ("net: ethoc: Utilize
of_get_mac_address()").
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not open code getting the MAC address exclusively from the
"local-mac-address" property, but instead use of_get_mac_address()
which looks up the MAC address using the 3 typical property names.
Also avoid casting away the const qualifier of the return value by
making axienet_set_mac_address() take a const void* address.
Follows commit b34296a9c047 ("net: ethoc: Utilize
of_get_mac_address()").
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Or Gerlitz says:
====================
net/sched: cls_flower: Add support for matching on dissection flags
This series add the UAPI to provide set of flags for matching, where the
flags provided from user-space are mapped to flow-dissector flags.
The 1st flag allows to match on whether the packet is an
IP fragment and corresponds to the FLOW_DIS_IS_FRAGMENT flag.
v2->v3:
- replace BIT() with << (kbuild test robot)
v1->v2:
- dropped the flow dissector patch (#1) as no changes are needed there (Jiri)
- applied code review comments from Jiri to the flower patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable offloading of matching on packets being fragments.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add UAPI to provide set of flags for matching, where the flags
provided from user-space are mapped to flow-dissector flags.
The 1st flag allows to match on whether the packet is an
IP fragment and corresponds to the FLOW_DIS_IS_FRAGMENT flag.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These two statements were not indented correctly so it's sort of
confusing.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We never set "slots" in this function.
Fixes: a9380b0f7be8 ("drivers: net: xgene: Add support for Jumbo frame")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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test_and_set_bit() already implies a memory barrier.
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Peng Tao <bergwolf@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, icmp_rcv() always return zero on a packet delivery upcall.
To make its behavior more compliant with the way this API should be
used, this patch changes this to let it return NET_RX_SUCCESS when the
packet is proper handled, and NET_RX_DROP otherwise.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro ZX_SPDIF_CLK_RAT should be 2 instead of 4. With this
fix, we can get correct audio output on HDMI through SPDIF interface.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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ZTE ZX SPDIF and I2S drivers can work on not only ZX296702 but also
other ZTE ZX family SoCs like ZX296718, which is an arm64 platform.
Let's make a few renaming and tweak the Kconfig a bit to get the drivers
available for other ZTE ZX platforms.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Marvell Armada 3700 SoC comprises an SPI Controller. This Controller
supports up to 4 SPI slave devices, with dedicated chip selects,supports
SPI mode 0/1/2 and 3, CPIO or Fifo mode with DMA transfers and different
SPI transfer mode (Single, Dual or Quad).
This commit adds basic driver support for FIFO mode. In this mode,
dedicated registers are used to store the instruction, the address, the
read mode and the data. Write and Read FIFO are used to store the
outcoming or incoming data. The data FIFOs are accessible via DMA or by
the CPU. Only the CPU is supported for now.
Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This adds the devicetree bindings documentation for the SPI controller
present in the Marvell Armada 3700 SoCs.
Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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qcom_smd_send() should return -EAGAIN for non-blocking channels with
insufficient space, so that we can propagate this event to user space.
Fixes: 53e2822e56c7 ("rpmsg: Introduce Qualcomm SMD backend")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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When PL330 is used with !MMU the following fault is seen:
Unhandled fault: alignment exception (0x801) at 0x8f26a002
Internal error: : 801 [#1] ARM
Modules linked in:
CPU: 0 PID: 640 Comm: dma0chan0-copy0 Not tainted 4.8.0-6a82063-clean+ #1600
Hardware name: ARM-Versatile Express
task: 8f1baa80 task.stack: 8e6fe000
PC is at _setup_req+0x4c/0x350
LR is at 0x8f2cbc00
pc : [<801ea538>] lr : [<8f2cbc00>] psr: 60000093
sp : 8e6ffdc0 ip : 00000000 fp : 00000000
r10: 00000000 r9 : 8f2cba10 r8 : 8f2cbc00
r7 : 80000013 r6 : 8f21a050 r5 : 8f21a000 r4 : 8f2ac800
r3 : 8e6ffe18 r2 : 00944251 r1 : ffffffbc r0 : 8f26a000
Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none
Control: 00c5387c
Process dma0chan0-copy0 (pid: 640, stack limit = 0x8e6fe210)
Stack: (0x8e6ffdc0 to 0x8e700000)
fdc0: 00000001 60000093 00000000 8f2cba10 8f26a000 00000004 8f0ae000 8f2cbc00
fde0: 8f0ae000 8f2ac800 8f21a000 8f21a050 80000013 8f2cbc00 8f2cba10 00000000
fe00: 60000093 801ebca0 8e6ffe18 000013ff 40000093 00000000 00944251 8f2ac800
fe20: a0000013 8f2b1320 00001986 00000000 00000001 000013ff 8f1e4f00 8f2cba10
fe40: 8e6fff6c 801e9044 00000003 00000000 fef98c80 002faf07 8e6ffe7c 00000000
fe60: 00000002 00000000 00001986 8f1f158d 8f1e4f00 80568de4 00000002 00000000
fe80: 00001986 8f1f53ff 40000001 80580500 8f1f158d 8001e00c 00000000 cfdfdfdf
fea0: fdae2a25 00000001 00000004 8e6fe000 00000008 00000010 00000000 00000005
fec0: 8f2b1330 8f2b1334 8e6ffe80 8e6ffe8c 00001986 00000000 8f21a014 00000001
fee0: 8e6ffe60 8e6ffe78 00000002 00000000 000013ff 00000001 80568de4 8f1e8018
ff00: 0000158d 8055ec30 00000001 803f6b00 00001986 8f2cba10 fdae2a25 00000001
ff20: 8f1baca8 8e6fff24 8e6fff24 00000000 8e6fff24 ac6f3037 00000000 00000000
ff40: 00000000 8e6fe000 8f1e4f40 00000000 8f1e4f40 8f1e4f00 801e84ec 00000000
ff60: 00000000 00000000 00000000 80031714 dfdfdfcf 00000000 dfdfdfcf 8f1e4f00
ff80: 00000000 8e6fff84 8e6fff84 00000000 8e6fff90 8e6fff90 8e6fffac 8f1e4f40
ffa0: 80031640 00000000 00000000 8000f548 00000000 00000000 00000000 00000000
ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 dfdfdfcf cfdfdfdf
[<801ea538>] (_setup_req) from [<801ebca0>] (pl330_tasklet+0x41c/0x490)
[<801ebca0>] (pl330_tasklet) from [<801e9044>] (dmatest_func+0xb58/0x149c)
[<801e9044>] (dmatest_func) from [<80031714>] (kthread+0xd4/0xec)
[<80031714>] (kthread) from [<8000f548>] (ret_from_fork+0x14/0x2c)
Code: e3a03001 e3e01043 e5c03001 e59d3048 (e5802002)
This happens because _emit_{ADDH,MOV,GO) accessing to unaligned data
while writing to buffer. Fix it with writing to buffer byte by byte.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Replace dma_pool_alloc & memset with dma_pool_zalloc.
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Replace dma_pool_alloc & memset with dma_pool_zalloc.
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Add missing files and directories to gitignore. Create .gitignore files
as needed.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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set-tz is missing from timers/.gitignore. Add it.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Fix to return error code -ENOMEM from the __get_free_page() error
handling case instead of 0, as done elsewhere in this function.
Fixes: 05eb23893c2c ("cxgb4/iw_cxgb4: Doorbell Drop Avoidance Bug Fixes")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Fix for bad memory access while disconnecting. netdev is freed before
private data free, and dev is accessed after freeing netdev.
This makes a slub problem, and it raise kernel oops with slub debugger
config.
Signed-off-by: Jiho Chu <jiho.chu@samsung.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Use the new API to create and destroy the "kvm-pit" kthread
worker. The API hides some implementation details.
In particular, kthread_create_worker() allocates and initializes
struct kthread_worker. It runs the kthread the right way
and stores task_struct into the worker structure.
kthread_destroy_worker() flushes all pending works, stops
the kthread and frees the structure.
This patch does not change the existing behavior except for
dynamically allocating struct kthread_worker and storing
only the pointer of this structure.
It is compile tested only because I did not find an easy
way how to run the code. Well, it should be pretty safe
given the nature of the change.
Signed-off-by: Petr Mladek <pmladek@suse.com>
Message-Id: <1476877847-11217-1-git-send-email-pmladek@suse.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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