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This patch switch to use build_skb() for small buffer which can have
better performance for both TCP and XDP (since we can work at page
before skb creation). It also remove lots of XDP codes since both
mergeable and small buffer use page frag during refill now.
Before | After
XDP_DROP(xdp1) 64B : 11.1Mpps | 14.4Mpps
Tested with xdp1/xdp2/xdp_ip_tx_tunnel and netperf.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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silences the below warning:
drivers/net/vxlan.c: In function ‘neigh_reduce’:
drivers/net/vxlan.c:1599:25: warning: variable ‘saddr’ set but not used
[-Wunused-but-set-variable]
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds changelink rtnl op support for vxlan netdevs.
code changes involve:
- refactor vxlan_newlink into vxlan_nl2conf to be
used by vxlan_newlink and vxlan_changelink
- vxlan_nl2conf and vxlan_dev_configure take a
changelink argument to isolate changelink checks
and updates.
- Allow changing only a few attributes:
- return -EOPNOTSUPP for attributes that cannot
be changed for now. Incremental patches can
make the non-supported one available in the future
if needed.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The RTC is an optional feature at purchase time on some Technologic
Systems boards. Verify that it actually exists by checking if the
last two bytes of the NVRAM can be changed.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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Switch the pci-exynos driver to generic PHY framework. At the same time
backward compatibility is preserved: Warning will be printed for old DTB.
Refer to the binding file:
- Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
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Add support for Generic PHY framework about Exynos SoCs. Current Exynos
PCIe driver doesn't use the PHY framework, which makes it difficult to
upstream the other Exynos variants because of different PHY registers.
Move the codes relevant to PHY from Exnyos PCIe driver to PHY Exynos PCIe
driver.
[bhelgaas: depend on "OF && (ARCH_EXYNOS || COMPILE_TEST)", update
copyright year, both per Vivek]
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Commit 14a3ae34bfd0 ("cxl: Prevent read/write to AFU config space while AFU
not configured") introduced a rwsem to fix an invalid memory access that
occurred when someone attempts to access the config space of an AFU on a
vPHB whilst the AFU is deconfigured, such as during EEH recovery.
It turns out that it's possible to run into a nested locking issue when EEH
recovery fails and a full device hotplug is required.
cxl_pci_error_detected() deconfigures the AFU, taking a writer lock on
configured_rwsem. When EEH recovery fails, the EEH code calls
pci_hp_remove_devices() to remove the device, which in turn calls
cxl_remove() -> cxl_pci_remove_afu() -> pci_deconfigure_afu(), which tries
to grab the writer lock that's already held.
Standard rwsem semantics don't express what we really want to do here and
don't allow for nested locking. Fix this by replacing the rwsem with an
atomic_t which we can control more finely. Allow the AFU to be locked
multiple times so long as there are no readers.
Fixes: 14a3ae34bfd0 ("cxl: Prevent read/write to AFU config space while AFU not configured")
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into thermal-soc
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We set queues before reset which will cause a crash[1]. This is
because is_xdp_raw_buffer_queue() depends on the old xdp queue pairs
number to do the correct detection. So fix this by
- passing xdp queue pairs and current queue pairs to virtnet_reset()
- change vi->xdp_qp after reset but before refill, to make sure both
free_unused_bufs() and refill can make correct detection of XDP.
- remove the duplicated queue pairs setting before virtnet_reset()
since we will do it inside virtnet_reset()
[1]
[ 74.328168] general protection fault: 0000 [#1] SMP
[ 74.328625] Modules linked in: nfsd xfs libcrc32c virtio_net virtio_pci
[ 74.329117] CPU: 0 PID: 2849 Comm: xdp2 Not tainted 4.10.0-rc7+ #499
[ 74.329577] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
[ 74.330424] task: ffff88007a894000 task.stack: ffffc90004388000
[ 74.330844] RIP: 0010:skb_release_head_state+0x28/0x80
[ 74.331298] RSP: 0018:ffffc9000438b8d0 EFLAGS: 00010206
[ 74.331676] RAX: 0000000000000000 RBX: ffff88007ad96300 RCX: 0000000000000000
[ 74.332217] RDX: ffff88007fc137a8 RSI: ffff88007fc0db28 RDI: 0001bf00000001be
[ 74.332758] RBP: ffffc9000438b8d8 R08: 000000000005008f R09: 00000000000005f9
[ 74.333274] R10: ffff88007d001700 R11: ffffffff820a8a4d R12: ffff88007ad96300
[ 74.333787] R13: 0000000000000002 R14: ffff880036604000 R15: 000077ff80000000
[ 74.334308] FS: 00007fc70d8a7b40(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[ 74.334891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 74.335314] CR2: 00007fff4144a710 CR3: 000000007ab56000 CR4: 00000000003406f0
[ 74.335830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 74.336373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 74.336895] Call Trace:
[ 74.337086] skb_release_all+0xd/0x30
[ 74.337356] consume_skb+0x2c/0x90
[ 74.337607] free_unused_bufs+0x1ff/0x270 [virtio_net]
[ 74.337988] ? vp_synchronize_vectors+0x3b/0x60 [virtio_pci]
[ 74.338398] virtnet_xdp+0x21e/0x440 [virtio_net]
[ 74.338741] dev_change_xdp_fd+0x101/0x140
[ 74.339048] do_setlink+0xcf4/0xd20
[ 74.339304] ? symcmp+0xf/0x20
[ 74.339529] ? mls_level_isvalid+0x52/0x60
[ 74.339828] ? mls_range_isvalid+0x43/0x50
[ 74.340135] ? nla_parse+0xa0/0x100
[ 74.340400] rtnl_setlink+0xd4/0x120
[ 74.340664] ? cpumask_next_and+0x30/0x50
[ 74.340966] rtnetlink_rcv_msg+0x7f/0x1f0
[ 74.341259] ? sock_has_perm+0x59/0x60
[ 74.341586] ? napi_consume_skb+0xe2/0x100
[ 74.342010] ? rtnl_newlink+0x890/0x890
[ 74.342435] netlink_rcv_skb+0x92/0xb0
[ 74.342846] rtnetlink_rcv+0x23/0x30
[ 74.343277] netlink_unicast+0x162/0x210
[ 74.343677] netlink_sendmsg+0x2db/0x390
[ 74.343968] sock_sendmsg+0x33/0x40
[ 74.344233] SYSC_sendto+0xee/0x160
[ 74.344482] ? SYSC_bind+0xb0/0xe0
[ 74.344806] ? sock_alloc_file+0x92/0x110
[ 74.345106] ? fd_install+0x20/0x30
[ 74.345360] ? sock_map_fd+0x3f/0x60
[ 74.345586] SyS_sendto+0x9/0x10
[ 74.345790] entry_SYSCALL_64_fastpath+0x1a/0xa9
[ 74.346086] RIP: 0033:0x7fc70d1b8f6d
[ 74.346312] RSP: 002b:00007fff4144a708 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 74.346785] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fc70d1b8f6d
[ 74.347244] RDX: 000000000000002c RSI: 00007fff4144a720 RDI: 0000000000000003
[ 74.347683] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[ 74.348544] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4144bd90
[ 74.349082] R13: 0000000000000002 R14: 0000000000000002 R15: 00007fff4144cda0
[ 74.349607] Code: 00 00 00 55 48 89 e5 53 48 89 fb 48 8b 7f 58 48 85 ff 74 0e 40 f6 c7 01 74 3d 48 c7 43 58 00 00 00 00 48 8b 7b 68 48 85 ff 74 05 <f0> ff 0f 74 20 48 8b 43 60 48 85 c0 74 14 65 8b 15 f3 ab 8d 7e
[ 74.351008] RIP: skb_release_head_state+0x28/0x80 RSP: ffffc9000438b8d0
[ 74.351625] ---[ end trace fe6e19fd11cfc80b ]---
Fixes: 2de2f7f40ef9 ("virtio_net: XDP support for adjust_head")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit adds the ndo_do_ioctl() callback which allows the userspace to
access PHY registers, for example. This will make mii-diag and similar
tools work.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the bnxt_init_one() failure path, bar1 and bar2 are not
being unmapped. This commit fixes this issue. Reorganize the
code so that bnxt_init_one()'s failure path and bnxt_remove_one()
can call the same function to do the PCI cleanup.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If bnxt_hwrm_ring_free() is called during a failure path in bnxt_open(),
it is possible that the completion rings have not been allocated yet.
In that case, the completion doorbell has not been initialized, and
calling bnxt_disable_int() will crash. Fix it by checking that the
completion ring has been initialized before writing to the completion
ring doorbell.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are additional SoC devices that use the same device ID for
bridge and NIC devices. The bnxt driver should reject probe against
all bridge devices since it's meant to be used with only endpoint
devices.
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device property updates from Rafael J. Wysocki:
"Generic device properties framework updates for v4.11-rc1
Allow built-in (static) device properties to be declared as constant,
make it possible to save memory by discarding alternative (but unused)
built-in (static) property sets and add support for automatic handling
of built-in properties to the I2C code"
* tag 'device-properties-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
i2c: allow specify device properties in i2c_board_info
device property: export code duplicating array of property entries
device property: constify property arrays values
device property: allow to constify properties
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20170119, which among other things updates copyright notices in all of
the ACPICA files, fix a couple of issues in the ACPI EC and button
drivers, fix modalias handling for non-discoverable devices with
DT-compatible identification strings, add a suspend quirk for one
platform and fix a message in the APEI code.
Specifics:
- Update of the ACPICA code in the kernel to upstream revision
20170119 including:
+ Fixes related to the handling of the bit width and bit offset
fields in Generic Address Structure (Lv Zheng)
+ ACPI resources handling fix related to invalid resource
descriptors (Bob Moore)
+ Fix to enable implicit result conversion for several ASL library
functions (Bob Moore)
+ Support for method invocations as target operands in AML (Bob
Moore)
+ Fix to use a correct operand type for DeRefOf() in some
situations (Bob Moore)
+ Utilities updates (Bob Moore, Lv Zheng)
+ Disassembler/debugger updates (David Box, Lv Zheng)
+ Build fixes (Colin Ian King, Lv Zheng)
+ Update of copyright notices in all files (Bob Moore)
- Fix for modalias handling for SPI and I2C devices with
DT-compatible identification strings (Dan O'Donovan)
- Fixes for the ACPI EC and button drivers (Lv Zheng)
- ACPI processor handling fix related to CPU hotplug (online/offline)
on x86 (Vitaly Kuznetsov)
- Suspend quirk to save/restore NVS memory over S3 transitions for
Lenovo G50-45 (Zhang Rui)
- Message formatting fix for the ACPI APEI code (Colin Ian King)"
* tag 'acpi-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPICA: Update version to 20170119
ACPICA: Tools: Update common signon, remove compilation bit width
ACPICA: Source tree: Update copyright notices to 2017
ACPICA: Linuxize: Restore and fix Intel compiler build
x86/ACPI: keep x86_cpu_to_acpiid mapping valid on CPU hotplug
spi: acpi: Initialize modalias from of_compatible
i2c: acpi: Initialize info.type from of_compatible
ACPI / bus: Introduce acpi_of_modalias() equiv of of_modalias_node()
ACPI: save NVS memory for Lenovo G50-45
ACPI, APEI, EINJ: fix malformed newline escape
ACPI / button: Remove lid_init_state=method mode
ACPI / button: Change default behavior to lid_init_state=open
ACPI / EC: Use busy polling mode when GPE is not enabled
ACPI / EC: Remove old CLEAR_ON_RESUME quirk
ACPICA: Update version to 20161222
ACPICA: Parser: Update parse info table for some operators
ACPICA: Fix a problem with recent extra support for control method invocations
ACPICA: Parser: Allow method invocations as target operands
ACPICA: Fix for implicit result conversion for the ToXXX functions
ACPICA: Resources: Not a valid resource if buffer length too long
..
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The majority of changes go into the Operating Performance Points (OPP)
framework and cpufreq this time, followed by devfreq and some
scattered updates all over.
The OPP changes are mostly related to switching over from RCU-based
synchronization, that turned out to be overly complicated and
problematic, to reference counting using krefs.
In the cpufreq land there are core cleanups, documentation updates, a
new driver for Broadcom BMIPS SoCs, a new cpufreq-dt sub-driver for TI
SoCs that require special handling, ARM64 SoCs support for the qoriq
driver, intel_pstate updates, powernv driver update and assorted
fixes.
The devfreq changes are mostly fixes related to the sysfs interface
and some Exynos drivers updates.
Apart from that, the cpuidle menu governor will support per-CPU PM QoS
constraints for the wakeup latency now, some bugs in the wakeup IRQs
framework are fixed, the generic power domains framework should handle
asynchronous invocations of *noirq suspend/resume callbacks from now
on, the analyze_suspend.py script is updated and there is a new tool
for intel_pstate diagnostics.
Specifics:
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach)
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki)
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer)
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker)
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian)
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo sysfs
knob and the hardware-managed P-states feature support (Rafael
Wysocki, Srinivas Pandruvada)
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat)
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun)
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand)
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi)
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi)
- Wakeup IRQs framework fixes (Grygorii Strashko)
- Generic power domains framework update including a fix to make it
handle asynchronous invocations of *noirq suspend/resume callbacks
correctly (Ulf Hansson, Geert Uytterhoeven)
- Assorted fixes and cleanups in the core suspend/hibernate code, PM
QoS framework and x86 ACPI idle support code (Corentin Labbe, Geert
Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers)
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt)
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies)"
* tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (85 commits)
MAINTAINERS: cpufreq: add bmips-cpufreq.c
PM / QoS: Fix memory leak on resume_latency.notifiers
PM / Documentation: Spelling s/wrtie/write/
PM / sleep: Fix test_suspend after sleep state rework
cpufreq: CPPC: add ACPI_PROCESSOR dependency
cpufreq: make ti-cpufreq explicitly non-modular
cpufreq: Do not clear real_cpus mask on policy init
tools/power/x86: Debug utility for intel_pstate driver
AnalyzeSuspend: fix drag and zoom bug in javascript
PM / wakeirq: report a wakeup_event on dedicated wekup irq
PM / wakeirq: Fix spurious wake-up events for dedicated wakeirqs
PM / wakeirq: Enable dedicated wakeirq for suspend
cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
Documentation: dt: add bindings for ti-cpufreq
PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
cpufreq: qoriq: Don't look at clock implementation details
cpufreq: qoriq: add ARM64 SoCs support
PM / Domains: Provide dummy governors if CONFIG_PM_GENERIC_DOMAINS=n
cpufreq: brcmstb-avs-cpufreq: remove unnecessary platform_set_drvdata()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"New features and improvements:
- add new optional brightness_hw_changed attribute for the LEDs that
may have their brightness level changed autonomously (outside of
kernel control) by hardware / firmware. The attribute supports
userspace notifications through POLLPRI events
- add led_brightness_hw_mon tool that demonstrates how to use the
aforementioned feature
- add LED_ON enum for LEDs that can be only turned on/off, and don't
allow setting other brightness levels
- allow for adjusting heartbeat trigger blink brightness level
Fixes and cleanups:
- avoid harmless maybe-uninitialized warning in leds-ktd2692.c
- add context to the existing example entries in common LED bindings
to make the documentation more clear"
* tag 'leds_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: ledtrig-heartbeat: Make top brightness adjustable
tools/leds: Add led_hw_brightness_mon program
leds: class: Add new optional brightness_hw_changed attribute
leds: ktd2692: avoid harmless maybe-uninitialized warning
leds: add LED_ON brightness as boolean value
DT: leds: Improve examples by adding some context
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This release is mainly a collection of driver specific updates,
including a few nice cleanups to make drivers use more core features.
- automatically use the parent device to allocate DMA buffers if
there wasn't an explicitly configured device.
- fixes for leaks on allocation.
- a small piece of the start of SPI slave support, a feature that's
been on the cards for over a decade!"
* tag 'spi-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (55 commits)
spi: spi-ti-qspi: Fix error handling
spi: spi-ti-qspi: Fix error handling
spi: lantiq-ssc: activate under COMPILE_TEST
spi: armada-3700: Remove spi_master_put in a3700_spi_remove()
spi: ti-qspi: revise ti_qspi_probe() failure flow
spi: spi-ep93xx: simplify GPIO chip selects
spi: rspi: Replaces "n" by "len" in qspi_transfer_*()
spi: rspi: Fixes bogus received byte in qspi_transfer_in()
spi: bcm-qspi: Remove unnecessary platform_set_drvdata()
spi: bcm-qspi: Fix bcm_qspi_bspi_read() performance
spi: lantiq-ssc: add support for Lantiq SSC SPI controller
spi: s3c64xx: fix inconsistency between binding and driver
spi: armada-3700: Remove .owner field for driver
spi: bcm-qspi: Added mspi read fallback in bcm_qspi_flash_read()
spi: fix device-node leaks
spi: mediatek: Only do dma for 4-byte aligned buffers
spi: When no dma_chan map buffers with spi_master's parent
spi: pca2xx-pci: Allow MSI
spi: pxa2xx: Prepare for edge-triggered interrupts
spi: pxa2xx: Add support for Intel Gemini Lake
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Quite a lot of work going on the core this release, mainly around
system initialization, but a quiet release for drivers:
- fixes for registration of multiple regulators on a PMIC from Javier
Martinez Canillas and Jon Hunter.
- cleanups to the regulator_get() code from Dmitry Torokhov
- lots of constifcation of structs from Bhumika Goyal
- support for Motorola CPCAP regulators from Tony Lindgren"
* tag 'regulator-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (52 commits)
regulator: core: Resolve supplies before disabling unused regulators
regulator: Fix regulator_summary for deviceless consumers
regulator: tps65086: Fix DT node referencing in of_parse_cb
regulator: tps65086: Fix expected switch DT node names
regulator: core: simplify _regulator_get()
regulator: core: have regulator_dev_lookup() return ERR_PTR-encoded errors
regulator: gpio: correct default type
regulator: cpcap: Add basic regulator support
regulator: core: fix typo in regulator_bulk_disable()
regulator: core: optimize devm_regulator_bulk_get()
regulator: core: simplify regulator_bulk_force_disable()
regulator: core: have _regulator_get() accept get_type argument
regulator: core: remove dead code in _regulator_get()
regulator: rn5t618: constify regulator_ops structure
regulator: rc5t583-regulator: constify regulator_ops structure
regulator: pv88090-regulator: constify regulator_ops structure
regulator: pv88080-regulator: constify regulator_ops structure
regulator: pv88060-regulator: constify regulator_ops structure
regulator: pfuze100-regulator: constify regulator_ops structure
regulator: pcf50633-regulator: constify regulator_ops structure
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"For v4.11 activity on the regmap API has literally doubled, there are
two patches this release:
- fixes from Charles Keepax to make the kerneldoc generate correctly
- a cleanup from Geliang Tang using rb_entry() rather than open
coding it with container_of()"
* tag 'regmap-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fixup the kernel-doc comments on functions/structures
regmap: use rb_entry()
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- a lot of Wacom driver updates; most notably second generation Intuos
Pro is now supported, code from Aaron Armstrong Skomra and Jason
Gerecke
- Surface 3 and 4 Type Cover Pro support from Daniel Keller, Dennis
Chen and Yuta Kobayashi
- hid-rmi is now generic transport driver, used by synaptics-rmi4;
Support the Lenovo Thinkpad X1 Tablet dock follows on top, from
Andrew Duggan
- a few misc bugfixes and improvements here and there
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (29 commits)
HID: intel-ish-hid: constify device_type structure
HID: wacom: Bluetooth IRQ for Intuos Pro should handle prox/range
HID: intel-ish-hid: ipc: check FW status to distinguish ISH resume paths
HID: multitouch: fix LG Melfas touchscreen
HID: wacom: don't apply generic settings to old devices
HID: wacom: generic: support LEDs
HID: wacom: generic: support generic touch switch
HID: wacom: generic: add vendor defined touch
HID: wacom: generic: add support for touchring
HID: wacom: generic: remove input_event_flag
HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface
HID: wacom: Move WAC_CMD_* into wacom_wac.h
HID: wacom: Enable HID_GENERIC codepath for Bluetooth devices
HID: wacom: do not attempt to switch mode while in probe
HID: wacom: remove warning while disconnecting devices
HID: wacom: release the resources before leaving despite devm
HID: whitespace cleanup
HID: multitouch: enable Surface 3 Type Cover Pro to report multitouch data
HID: rmi: Support the Lenovo Thinkpad X1 Tablet dock using hid-rmi
HID: rmi: Handle all Synaptics touchpads using hid-rmi
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU UPDATES from Joerg Roedel:
- KVM PCIe/MSI passthrough support on ARM/ARM64
- introduction of a core representation for individual hardware iommus
- support for IOMMU privileged mappings as supported by some ARM IOMMUS
- 16-bit SID support for ARM-SMMUv2
- stream table optimization for ARM-SMMUv3
- various fixes and other small improvements
* tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (61 commits)
vfio/type1: Fix error return code in vfio_iommu_type1_attach_group()
iommu: Remove iommu_register_instance interface
iommu/exynos: Make use of iommu_device_register interface
iommu/mediatek: Make use of iommu_device_register interface
iommu/msm: Make use of iommu_device_register interface
iommu/arm-smmu: Make use of the iommu_register interface
iommu: Add iommu_device_set_fwnode() interface
iommu: Make iommu_device_link/unlink take a struct iommu_device
iommu: Add sysfs bindings for struct iommu_device
iommu: Introduce new 'struct iommu_device'
iommu: Rename struct iommu_device
iommu: Rename iommu_get_instance()
iommu: Fix static checker warning in iommu_insert_device_resv_regions
iommu: Avoid unnecessary assignment of dev->iommu_fwspec
iommu/mediatek: Remove bogus 'select' statements
iommu/dma: Remove bogus dma_supported() implementation
iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space
iommu/vt-d: Don't over-free page table directories
iommu/vt-d: Tylersburg isoch identity map check is done too late.
iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"Misc platform updates: SGI UV4 support additions, intel-mid Merrifield
enhancements and purge of old code"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/platform/UV/NMI: Fix uneccessary kABI breakage
x86/platform/UV: Clean up the NMI code to match current coding style
x86/platform/UV: Ensure uv_system_init is called when necessary
x86/platform/UV: Initialize PCH GPP_D_0 NMI Pin to be NMI source
x86/platform/UV: Verify NMI action is valid, default is standard
x86/platform/UV: Add basic CPU NMI health check
x86/platform/UV: Add Support for UV4 Hubless NMIs
x86/platform/UV: Add Support for UV4 Hubless systems
x86/platform/UV: Clean up the UV APIC code
x86/platform/intel-mid: Move watchdog registration to arch_initcall()
x86/platform/intel-mid: Don't shadow error code of mp_map_gsi_to_irq()
x86/platform/intel-mid: Allocate RTC interrupt for Merrifield
x86/ioapic: Return suitable error code in mp_map_gsi_to_irq()
x86/platform/UV: Fix 2 socket config problem
x86/platform/UV: Fix panic with missing UVsystab support
x86/platform/intel-mid: Enable RTC on Intel Merrifield
x86/platform/intel: Remove PMIC GPIO block support
x86/platform/intel-mid: Make intel_scu_device_register() static
x86/platform/intel-mid: Enable GPIO keys on Merrifield
x86/platform/intel-mid: Get rid of duplication of IPC handler
...
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Prepare input updates for 4.11 merge window.
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The I2C core always reports a MODALIAS of the form i2c:<foo> even if the
device was registered via OF, this means that exporting the OF device ID
table device aliases in the module is not needed. But in order to change
how the core reports modaliases to user-space, it's better to export it.
Before this patch:
$ modinfo drivers/input/touchscreen/zet6223.ko | grep alias
alias: i2c:zet6223
After this patch:
$ modinfo drivers/input/touchscreen/zet6223.ko | grep alias
alias: of:N*T*Czeitec,zet6223C*
alias: of:N*T*Czeitec,zet6223
alias: i2c:zet6223
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This patch does an explicit list_del_init(tmr->tmr_list) in
core_tmr_drain_tmr_list() before starting processing of
outstanding TMRs to abort, instead of explicitly checking
which TMR descriptor matches the caller.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Driver changes the link properties via communication with
the management firmware, and re-reads the resulting link status
when it receives an indication that the link has changed.
However, there are certain scenarios where such indications
might be missing, and so driver also re-reads the current link
results without attention in several places. Specifically, it
does so during load and when resetting the link.
This creates a race where driver might reflect incorrect
link status - e.g., when explicit reading of the link status is
switched by attention with the changed configuration.
Correct this flow by a lock syncronizing the handling of the
link indications [both explicit requests and attention].
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Flows accessing registers require the flow to hold a PTT entry.
To protect 'major' load/unload flows a main_ptt is pre-allocated
to guarantee such flows wouldn't be blocked by PTT being
unavailable.
Status block initialization currently uses the main_ptt which
is incorrect, as this flow might run concurrently to others
[E.g., loading qedr while toggling qede]. That would have dire
effects as it means registers' access to device breaks and further
read/writes might access incorrect addresses.
Instead, when initializing status blocks acquire/release a PTT
as part of the flow.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver currently utilizes the same loop variable in two
nested loops.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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VF learns of the current link state via its bulletin board,
which might reflect either the physical link state or some
user-configured logical state.
Whenever the physical link changes or whnever such a configuration
is explicitly made by user the PF driver would update the bulletin
that the VF reads. But if neither has happened - i.e., PF still
hasn't got a physical link up and no additional configuration was
done the VF wouldn't have a valid link information available.
Simply reflect the physical link state whenever the VF is
initialized. The user could then affect it however he wants.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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qed needs to be informed of the removal of the qede interface
prior to its actual removal, as qede has some registered callbacks
that might get called async to the removal flow.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Need to make sure the slowpath workqueue and the qede lock
are ready for the registration of the netdevice, as once
registered there's no guarantee those wouldn't be used.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reserving doorbell BAR space according to the currently active CPUs
may result in a bug if disabled CPUs are later enabled but no
doorbell space was reserved for them.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If QP is in reset state then there are no resources to free so avoid
freeing any.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the state is read only after the buffers are relesed.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The CQ resource pool is protected by a spin lock. When a CQ creation
fails it now deallocates under that lock as well.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fix removes copying of tx biffers.
Now we use ring->buff_fing directly.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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page.
We should allocate the number of pages based on the config parameter
AQ_CFG_RX_FRAME_MAX.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rxd_wb->pkt_len is the total length of the packet.
If we received a large packet (with length > AQ_CFG_RX_FRAME_MAX) then we
will get multiple buffers. We need to fix the length of the last buffer.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netdev_register should be called when everything is initialized.
Also we should use net_device->reg_state field instead own
"is_ndev_registered" flag to avoid any race.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should check for a null pointer for aq_nic_ndev_alloc
instead netdev_priv.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use NETDEV_TX_OK as the return value for successful transmission.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rtnl_unlock should be called if error occurred.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed superfluous initialization of err.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove boilerplate code by using macro module_pci_driver.
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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