Add support for monitoring an extcon device with USB SDP/CDP/DCP and HOST
cables and adjust ilimit and enable/disable the 5V boost converter
accordingly. This is necessary on systems where the PSEL pin is hardwired
high and ILIM needs to be set by software based on the detected charger
type, as well as on systems where the 5V boost converter is used, as
that always needs to be enabled from software.
Cc: Liam Breck <kernel@networkimprov.net>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The bq24192 and bq24192i are mostly identical to the bq24190, TI even
published a single datasheet for all 3 of them. The difference
between the bq24190 and bq24192[i] is the way charger-type detection
is done, the bq24190 is to be directly connected to the USB a/b lines,
where as the the bq24192[i] has a gpio which should be driven high/low
externally depending on the type of charger connected, from a register
level access pov there is no difference.
The differences between the bq24192 and bq24192i are:
1) Lower default charge rate on the bq24192i
2) Pre-charge-current can be max 640 mA on the bq24192i
On x86/ACPI systems the code which instantiates the i2c client may not
know the exact variant being used, so instead of coding the model-id
in the i2c_id struct and bailing if it does not match, check the reported
model-id matches one of the supported variants.
This commit only adds support for the bq24192i as I don't
have a bq24192 to test with, adding support for the bq24192 should
be as simple as also accepting its model-id in the model-id test.
Cc: Liam Breck <kernel@networkimprov.net>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The i2c-core already maps of irqs before calling the driver's probe
function and there are no in tree users of
bq24190_platform_data->gpio_int.
Remove the redundant custom irq-mapping code and just use client->irq.
Cc: Liam Breck <kernel@networkimprov.net>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Without CONFIG_PM, we get a harmless warning:
drivers/power/supply/bq24190_charger.c:1514:12: error: 'bq24190_runtime_resume' defined but not used [-Werror=unused-function]
drivers/power/supply/bq24190_charger.c:1501:12: error: 'bq24190_runtime_suspend' defined but not used [-Werror=unused-function]
To avoid the warning, we can mark all four PM functions as __maybe_unused,
which also lets us remove the incorrect #ifdef.
Fixes: 3d8090cba638 ("power: bq24190_charger: Check the interrupt status on resume")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Liam Breck <kernel@networkimprov.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch fixes 4 checkpatch.pl errors on lines 433 to 436:
ERROR: code indent should use tabs where possible
Signed-off-by: Munir Contractor <munircontractor@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Since index is always 0, replace gpiod_get_index() by gpiod_get().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Fix the max8925_batter typo in the file name.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Even if bus is not hot-pluggable, the devices can be unbound from the
driver via sysfs, so we should not be using __exit annotations on
remove() methods. The only exception is drivers registered with
platform_driver_probe() which specifically disables sysfs bind/unbind
attributes.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The Gemini (SL3516) SoC has a special power controller block
that only deal with shutting down the system.
If you do not register a driver and activate the block, the
power button on the systems utilizing this SoC will do an
uncontrolled power cut, which is why it is important to have
a special poweroff driver.
The most basic functionality is to just shut down the system
by writing a special bit in the control register after the
system has reached pm_poweroff.
It also handles the poweroff from a button or other sources:
When the poweroff button is pressed, or a signal is sent to
poweroff from an infrared remote control, or when the RTC
fires a special alarm (!) the system emits an interrupt.
At this point, Linux must acknowledge the interrupt and
proceed to do an orderly shutdown of the system.
After adding this driver, pressing the poweroff button gives
this dmesg:
root@gemini:/
root@gemini:/ gemini-poweroff 4b000000.power-controller:
poweroff button pressed
calling shutdown scripts..
setting /dev/rtc0 from system time
unmounting file systems...
umount: tmpfs busy - remounted read-only
umount: can't unmount /: Invalid argument
The system is going down NOW!
Sent SIGTERM to all processes
Sent SIGKILL to all processes
Requesting system poweroff
uhci_hcd 0000:00:09.1: HCRESET not completed yet!
uhci_hcd 0000:00:09.0: HCRESET not completed yet!
reboot: Power down
gemini-poweroff 4b000000.power-controller: Gemini power off
Cc: Janos Laube <janos.dev@gmail.com>
Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-pm@vger.kernel.org
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This adds device tree bindings to the power management controller
in the Gemini SoC.
Cc: devicetree@vger.kernel.org
Cc: Janos Laube <janos.dev@gmail.com>
Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.
But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Make the syscon-poweroff driver accept value and mask instead of
just value.
Prior to this patch, the property name for the value was 'mask'. If
only the mask property is defined on a node, maintain compatibility
by using it as the value.
Signed-off-by: Guy Shapiro <guy.shapiro@mobi-wize.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
We can get quite a few interrupts when the battery is trickle charging.
Let's enable PM runtime autosuspend to avoid constantly toggling device
driver PM runtime state.
Let's use a 600 ms timeout as that's how long the USB chager detection
might take.
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Liam Breck <kernel@networkimprov.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Some SoCs like omap3 can configure GPIO irqs to use Linux generic
dedicated wakeirq support. If the dedicated wakeirq is configured,
the SoC will use a always-on interrupt controller to produce wake-up
events.
If bq24190 is configured for dedicated wakeirq, we need to check the
interrupt status on PM runtime resume. This is because the Linux
generic wakeirq will call pm_runtime_resume() on the device on a
wakeirq. And as the bq24190 interrupt is falling edge sensitive
and only active for 250 us, there will be no device interrupt seen
by the runtime SoC IRQ controller.
Note that this can cause spurious interrupts on omap3 devices with
bq24190 connected to gpio banks 2 - 5 as there's a glitch on those
pins waking from off mode as listed in "Advisory 1.45". Devices
with this issue should not configure the optional wakeirq interrupt
in the dts file.
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Liam Breck <kernel@networkimprov.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
A smattering of different small fixes for some random driver subsystems.
Nothing all that major, just resolutions for reported issues and bugs.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"A smattering of different small fixes for some random driver
subsystems. Nothing all that major, just resolutions for reported
issues and bugs.
All have been in linux-next with no reported issues"
* tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
extcon: int3496: Set the id pin to direction-input if necessary
extcon: int3496: Use gpiod_get instead of gpiod_get_index
extcon: int3496: Add dependency on X86 as it's Intel specific
extcon: int3496: Add GPIO ACPI mapping table
extcon: int3496: Rename GPIO pins in accordance with binding
vmw_vmci: handle the return value from pci_alloc_irq_vectors correctly
ppdev: fix registering same device name
parport: fix attempt to write duplicate procfiles
auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches
Drivers: hv: vmbus: Don't leak memory when a channel is rescinded
Drivers: hv: vmbus: Don't leak channel ids
Drivers: hv: util: don't forget to init host_ts.lock
Drivers: hv: util: move waiting for release to hv_utils_transport itself
vmbus: remove hv_event_tasklet_disable/enable
vmbus: use rcu for per-cpu channel list
mei: don't wait for os version message reply
mei: fix deadlock on mei reset
intel_th: pci: Add Gemini Lake support
intel_th: pci: Add Denverton SOC support
intel_th: Don't leak module refcount on failure to activate
...
Here is a single kernfs fix for 4.11-rc4 that resolves a reported issue.
It has been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single kernfs fix for 4.11-rc4 that resolves a reported
issue.
It has been in linux-next with no reported issues"
* tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kernfs: Check KERNFS_HAS_RELEASE before calling kernfs_release_file()
Here are some tty and serial driver fixes for 4.11-rc4. One of these
fix a long-standing issue in the ldisc code that was found by Dmitry
Vyukov with his great fuzzing work. The other fixes resolve other
reported issues, and there is one revert of a patch in 4.11-rc1 that
wasn't correct.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some tty and serial driver fixes for 4.11-rc4.
One of these fix a long-standing issue in the ldisc code that was
found by Dmitry Vyukov with his great fuzzing work. The other fixes
resolve other reported issues, and there is one revert of a patch in
4.11-rc1 that wasn't correct.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: fix data race in tty_ldisc_ref_wait()
tty: don't panic on OOM in tty_set_ldisc()
Revert "tty: serial: pl011: add ttyAMA for matching pl011 console"
tty: acpi/spcr: QDF2400 E44 checks for wrong OEM revision
serial: 8250_dw: Fix breakage when HAVE_CLK=n
serial: 8250_dw: Honor clk_round_rate errors in dw8250_set_termios
Here are some small IIO driver fixes for 4.11-rc4 that resolve a number
of tiny reported issues. All of these have been in linux-next for a
while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes for 4.11-rc4 that resolve a
number of tiny reported issues. All of these have been in linux-next
for a while with no reported issues"
* tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: imu: st_lsm6dsx: fix FIFO_CTRL2 overwrite during watermark configuration
iio: adc: ti_am335x_adc: fix fifo overrun recovery
iio: sw-device: Fix config group initialization
iio: magnetometer: ak8974: remove incorrect __exit markups
iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3
Here are a number of small USB and PHY driver fixes for 4.11-rc4.
Nothing major here, just an bunch of small fixes, and a handfull of good
fixes from Johan for devices with crazy descriptors. There are a few
new device ids in here as well.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are a number of small USB and PHY driver fixes for 4.11-rc4.
Nothing major here, just an bunch of small fixes, and a handfull of
good fixes from Johan for devices with crazy descriptors. There are a
few new device ids in here as well.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
usb: gadget: f_hid: fix: Don't access hidg->req without spinlock held
usb: gadget: udc: remove pointer dereference after free
usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed
usb: gadget: f_uvc: Fix SuperSpeed companion descriptor's wBytesPerInterval
usb: gadget: acm: fix endianness in notifications
usb: dwc3: gadget: delay unmap of bounced requests
USB: serial: qcserial: add Dell DW5811e
usb: hub: Fix crash after failure to read BOS descriptor
ACM gadget: fix endianness in notifications
USB: usbtmc: fix probe error path
USB: usbtmc: add missing endpoint sanity check
USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems
usb: musb: fix possible spinlock deadlock
usb: musb: dsps: fix iounmap in error and exit paths
usb: musb: cppi41: don't check early-TX-interrupt for Isoch transfer
usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk
uwb: i1480-dfu: fix NULL-deref at probe
uwb: hwa-rc: fix NULL-deref at probe
USB: wusbcore: fix NULL-deref at probe
USB: uss720: fix NULL-deref at probe
...
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
- powerpc/64s: Fix idle wakeup potential to clobber registers
- Revert "powerpc/64: Disable use of radix under a hypervisor"
- gcc-plugins: update architecture list in documentation
Thanks to:
Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav Jain.
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Merge tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc fixes from Michael Ellerman:
"These are all pretty minor. The fix for idle wakeup would be a bad bug
but has not been observed in practice.
The update to the gcc-plugins docs was Cc'ed to Kees and Jon, Kees
OK'ed it going via powerpc and I didn't hear from Jon.
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
- powerpc/64s: Fix idle wakeup potential to clobber registers
- Revert "powerpc/64: Disable use of radix under a hypervisor"
- gcc-plugins: update architecture list in documentation
Thanks to: Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav
Jain"
* tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
gcc-plugins: update architecture list in documentation
Revert "powerpc/64: Disable use of radix under a hypervisor"
powerpc/64s: Fix idle wakeup potential to clobber registers
cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
inodes relating to the inline_data and metadata checksum features.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix a memory leak on an error path, and two races when modifying
inodes relating to the inline_data and metadata checksum features"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix two spelling nits
ext4: lock the xattr block before checksuming it
jbd2: don't leak memory if setting up journal fails
ext4: mark inode dirty after converting inline directory
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Merge tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt
Pull fscrypto fixes from Ted Ts'o:
"A code cleanup and bugfix for fs/crypto"
* tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: eliminate ->prepare_context() operation
fscrypt: remove broken support for detecting keyring key revocation
Bug fixes in asus_atk0110, it87 and max31790 drivers.
Added missing API definition to hwmon core.
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Merge tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- bug fixes in asus_atk0110, it87 and max31790 drivers
- added missing API definition to hwmon core
* tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (asus_atk0110) fix uninitialized data access
hwmon: Add missing HWMON_T_ALARM
hwmon: (it87) Avoid registering the same chip on both SIO addresses
hwmon: (max31790) Set correct PWM value
- Fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- A few other oops fixes
- The rest are all minor fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"This has been a slow -rc cycle for the RDMA subsystem. We really
haven't had a lot of rc fixes come in. This pull request is the first
of this entire rc cycle and it has all of the suitable fixes so far
and it's still only about 20 patches. The fix for the minor breakage
cause by the dma mapping patchset is in here, as well as a couple
other potential oops fixes, but the rest is more minor.
Summary:
- fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- a few other oops fixes
- the rest are all minor fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/qib: fix false-postive maybe-uninitialized warning
RDMA/iser: Fix possible mr leak on device removal event
IB/device: Convert ib-comp-wq to be CPU-bound
IB/cq: Don't process more than the given budget
IB/rxe: increment msn only when completing a request
uapi: fix rdma/mlx5-abi.h userspace compilation errors
IB/core: Restore I/O MMU, s390 and powerpc support
IB/rxe: Update documentation link
RDMA/ocrdma: fix a type issue in ocrdma_put_pd_num()
IB/rxe: double free on error
RDMA/vmw_pvrdma: Activate device on ethernet link up
RDMA/vmw_pvrdma: Dont hardcode QP header page
RDMA/vmw_pvrdma: Cleanup unused variables
infiniband: Fix alignment of mmap cookies to support VIPT caching
IB/core: Protect against self-requeue of a cq work item
i40iw: Receive netdev events post INET_NOTIFIER state
Pull audit fix from Paul Moore:
"We've got an audit fix, and unfortunately it is big.
While I'm not excited that we need to be sending you something this
large during the -rcX phase, it does fix some very real, and very
tangled, problems relating to locking, backlog queues, and the audit
daemon connection.
This code has passed our testsuite without problem and it has held up
to my ad-hoc stress tests (arguably better than the existing code),
please consider pulling this as fix for the next v4.11-rcX tag"
* 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit:
audit: fix auditd/kernel connection state tracking
We must lock the xattr block before calculating or verifying the
checksum in order to avoid spurious checksum failures.
https://bugzilla.kernel.org/show_bug.cgi?id=193661
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
one where we need to copy a string because we can't guarantee it isn't
freed sometime later.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of Sunxi and Rockchip clk driver fixes and a core framework
one where we need to copy a string because we can't guarantee it isn't
freed sometime later"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi-ng: fix recalc_rate formula of NKMP clocks
clk: sunxi-ng: Fix div/mult settings for osc12M on A64
clk: rockchip: Make uartpll a child of the gpll on rk3036
clk: rockchip: add "," to mux_pll_src_apll_dpll_gpll_usb480m_p on rk3036
clk: core: Copy connection id
dt-bindings: arm: update Armada CP110 system controller binding
clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock
clk: sunxi: ccu-sun5i needs nkmp
clk: sunxi-ng: mp: Adjust parent rate for pre-dividers
aarch64-linux-gcc-7 complains about code it doesn't fully understand:
drivers/infiniband/hw/qib/qib_iba7322.c: In function 'qib_7322_txchk_change':
include/asm-generic/bitops/non-atomic.h:105:35: error: 'shadow' may be used uninitialized in this function [-Werror=maybe-uninitialized]
The code is right, and despite trying hard, I could not come up with a version
that I liked better than just adding a fake initialization here to shut up the
warning.
Fixes: f931551baf ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When the rdma device is removed, we must cleanup all
the rdma resources within the DEVICE_REMOVAL event
handler to let the device teardown gracefully. When
this happens with live I/O, some memory regions are
occupied. Thus, track them too and dereg all the mr's.
We are safe with mr access by iscsi_iser_cleanup_task.
Reported-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This workqueue is used by our storage target mode ULPs
via the new CQ API. Recent observations when working
with very high-end flash storage devices reveal that
UNBOUND workqueue threads can migrate between cpu cores
and even numa nodes (although some numa locality is accounted
for).
While this attribute can be useful in some workloads,
it does not fit in very nicely with the normal
run-to-completion model we usually use in our target-mode
ULPs and the block-mq irq<->cpu affinity facilities.
The whole block-mq concept is that the completion will
land on the same cpu where the submission was performed.
The fact that our submitter thread is migrating cpus
can break this locality.
We assume that as a target mode ULP, we will serve multiple
initiators/clients and we can spread the load enough without
having to use unbound kworkers.
Also, while we're at it, expose this workqueue via sysfs which
is harmless and can be useful for debug.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>--
Signed-off-by: Doug Ledford <dledford@redhat.com>
According to C9-147, MSN should only be incremented when the last packet of
a multi packet request has been received.
"Logically, the requester associates a sequential Send Sequence Number
(SSN) with each WQE posted to the send queue. The SSN bears a one-
to-one relationship to the MSN returned by the responder in each re-
sponse packet. Therefore, when the requester receives a response, it in-
terprets the MSN as representing the SSN of the most recent request
completed by the responder to determine which send WQE(s) can be
completed."
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: David Marchand <david.marchand@6wind.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Consistently use types from linux/types.h to fix the following
rdma/mlx5-abi.h userspace compilation errors:
/usr/include/rdma/mlx5-abi.h:69:25: error: 'u64' undeclared here (not in a function)
MLX5_LIB_CAP_4K_UAR = (u64)1 << 0,
/usr/include/rdma/mlx5-abi.h:69:29: error: expected ',' or '}' before numeric constant
MLX5_LIB_CAP_4K_UAR = (u64)1 << 0,
Include <linux/if_ether.h> to fix the following rdma/mlx5-abi.h
userspace compilation error:
/usr/include/rdma/mlx5-abi.h:286:12: error: 'ETH_ALEN' undeclared here (not in a function)
__u8 dmac[ETH_ALEN];
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Avoid that the following error message is reported on the console
while loading an RDMA driver with I/O MMU support enabled:
DMAR: Allocating domain for mlx5_0 failed
Ensure that DMA mapping operations that use to_pci_dev() to
access to struct pci_dev see the correct PCI device. E.g. the s390
and powerpc DMA mapping operations use to_pci_dev() even with I/O
MMU support disabled.
This patch preserves the following changes of the DMA mapping updates
patch series:
- Introduction of dma_virt_ops.
- Removal of ib_device.dma_ops.
- Removal of struct ib_dma_mapping_ops.
- Removal of an if-statement from each ib_dma_*() operation.
- IB HW drivers no longer set dma_device directly.
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reported-by: Parav Pandit <parav@mellanox.com>
Fixes: commit 99db949403 ("IB/core: Remove ib_device.dma_device")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: parav@mellanox.com
Tested-by: parav@mellanox.com
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
All Soft-RoCE (rxe) is handled now in rdma-core user space library,
so the documentation. The patch below updates the documentation
link to that new location.
Reported-by: Josh Beavers <josh.beavers@gmail.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
We want to return zero on success or negative error codes. The type
should be int and not u8.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
"goto err;" has it's own kfree_skb() call so it's a double free. We
only need to free on the "goto exit;" path.
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Removed the unused nreq and redundant index variables.
Moved hardcoded async and cq ring pages number to macro.
Reported-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Aditya Sarwade <asarwade@vmware.com>
Tested-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Pull block fixes from Jens Axboe:
"A few fixes for the current series that should go into -rc4. This
contains:
- a fix for a potential corruption of un-started requests from Ming.
- a blk-stat fix from Omar, ensuring we flush the stat batch before
checking nr_samples.
- a set of fixes from Sagi for the nvmeof family"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: don't complete un-started request in timeout handler
nvme-loop: handle cpu unplug when re-establishing the controller
nvme-rdma: handle cpu unplug when re-establishing the controller
nvmet-rdma: Fix a possible uninitialized variable dereference
nvmet: confirm sq percpu has scheduled and switched to atomic
nvme-loop: fix a possible use-after-free when destroying the admin queue
blk-stat: fix blk_stat_sum() if all samples are batched
reclaim path, tagged for stable.
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Merge tag 'ceph-for-4.11-rc4' of git://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A fix for a writeback deadlock caused by a GFP_KERNEL allocation on
the reclaim path, tagged for stable"
* tag 'ceph-for-4.11-rc4' of git://github.com/ceph/ceph-client:
libceph: force GFP_NOIO for socket allocations
- A couple of OMAP 4.11 regression fixes, including a boot regression for
SmartReflex, hypervisor mode in thumb2 mode, and reference counting of
device nodes
- A fix for cpu_idle on at91
- Minor DT fixes on across several platforms:
sunxi, bcm53xx, at91, nsp, ns2, ux500, omap
- A fix to correct an API change in the reset controllers
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
- a couple of OMAP 4.11 regression fixes, including a boot regression
for SmartReflex, hypervisor mode in thumb2 mode, and reference
counting of device nodes
- a fix for cpu_idle on at91
- minor DT fixes on across several platforms: sunxi, bcm53xx, at91,
nsp, ns2, ux500, omap
- a fix to correct an API change in the reset controllers
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
arm64: dts: NS2: Add dma-coherent to relevant DT entries
reset: fix optional reset_control_get stubs to return NULL
ARM: sun8i: a23/a33: drop bl_en_pin GPIO pinmux in reference design DTSI
ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings
ARM: dts: NSP: GPIO reboot open-source
ARM: at91: pm: cpu_idle: switch DDR to power-down mode
ARM: dts: add the AB8500 clocks to the device tree
ARM: dts: imx6sx-udoo-neo: Fix reboot hang
ARM: sun8i: Fix the mali clock rate
ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
ARM: dts: BCM5301X: Fix memory start address
ARM: dts: BCM5301X: Fix UARTs on bcm953012k
Revert "ARM: at91/dt: sama5d2: Use new compatible for ohci node"
ARM: OMAP2+: Release device node after it is no longer needed.
ARM: OMAP2+: Fix device node reference counts
ARM: OMAP2+: Remove legacy gpmc-nand.c
ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure
ARM: dts: am335x-pcm953: Fix legacy wakeup source binding
ARM: omap2plus_defconfig: Enable INPUT_MOUSEDEV as loadable modules
ARM: dts: am57xx-idk: tpic2810 is on I2C bus, not SPI
...
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Merge tag 'for-linus-4.11b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Fixes for PM under Xen"
* tag 'for-linus-4.11b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/acpi: upload PM state from init-domain to Xen
xen/acpi: Replace hard coded "ACPI0007"
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)
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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:
"There's a kaslr fix and then two patches to update our native and
compat syscall tables. Arnd asked that we take the addition of statx
to the asm-generic unistd.h via arm64, as he didn't have anything
queued in the asm-generic tree.
Summary:
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kaslr: Fix up the kernel image alignment
arm64: compat: Update compat syscalls
generic syscalls: Wire up statx syscall
Pull crypto fixes from Herbert Xu:
"This fixes regressions in the crypto ccp driver and the hwrng drivers
for amd and geode"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: geode - Revert managed API changes
hwrng: amd - Revert managed API changes
crypto: ccp - Assign DMA commands to the channel's CCP
