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The uevent() callback in struct kset_uevent_ops does not modify the
kobject passed into it, so make the pointer const to enforce this
restriction. When doing so, fix up all existing uevent() callbacks to
have the correct signature to preserve the build.
Cc: Christine Caulfield <[email protected]>
Cc: David Teigland <[email protected]>
Cc: Bob Peterson <[email protected]>
Cc: Andreas Gruenbacher <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The uevent() callback in struct bus_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Acked-by: Rafael J. Wysocki <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
to_mcb_device() to use container_of_const() to handle this change.
to_mcb_device() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Cc: Johannes Thumshirn <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
dev_to_virtio() to use container_of_const() to handle this change.
dev_to_virtio() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Cc: "Michael S. Tsirkin" <[email protected]>
Cc: Jason Wang <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
device_to_hv_device() to use container_of_const() to handle this change.
device_to_hv_device() now properly keeps the const-ness of the pointer
passed into it, while as before it could be lost.
Cc: "K. Y. Srinivasan" <[email protected]>
Cc: Haiyang Zhang <[email protected]>
Cc: Dexuan Cui <[email protected]>
Acked-by: Wei Liu <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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device_get_devnode() should take a constant * to struct device as it
does not modify it in any way, so modify the function definition to do
this and move it out of device.h as it does not need to be exposed to
the whole kernel tree.
Cc: Thomas Gleixner <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Ira Weiny <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Won Chung <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The devnode() callback in struct device_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Cc: Jens Axboe <[email protected]>
Cc: Alison Schofield <[email protected]>
Cc: Vishal Verma <[email protected]>
Cc: Ira Weiny <[email protected]>
Cc: Ben Widawsky <[email protected]>
Cc: Jeremy Kerr <[email protected]>
Cc: Joel Stanley <[email protected]>
Cc: Alistar Popple <[email protected]>
Cc: Eddie James <[email protected]>
Cc: Jonathan Cameron <[email protected]>
Cc: Jilin Yuan <[email protected]>
Cc: Heikki Krogerus <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Won Chung <[email protected]>
Acked-by: Dan Williams <[email protected]>
Acked-by: Alexander Shishkin <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The uevent() callback in struct device_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Cc: Alan Stern <[email protected]>
Cc: Andreas Noever <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Bard Liao <[email protected]>
Cc: Chaitanya Kulkarni <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: Frank Rowand <[email protected]>
Cc: Ira Weiny <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Jilin Yuan <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Mark Gross <[email protected]>
Cc: "Martin K. Petersen" <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: Maximilian Luz <[email protected]>
Cc: Michael Jamet <[email protected]>
Cc: Ming Lei <[email protected]>
Cc: Pierre-Louis Bossart <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Sakari Ailus <[email protected]>
Cc: Sanyog Kale <[email protected]>
Cc: Sean Young <[email protected]>
Cc: Stefan Richter <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Won Chung <[email protected]>
Cc: Yehezkel Bernat <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Acked-by: Mika Westerberg <[email protected]> # for Thunderbolt
Acked-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Alexandre Belloni <[email protected]>
Acked-by: Heikki Krogerus <[email protected]>
Acked-by: Wolfram Sang <[email protected]>
Acked-by: Vinod Koul <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
fw_device() and fw_unit() functions to use container_of_const() to
handle this change.
fw_device() and fw_unit() now properly keeps the const-ness of the
pointer passed into it, while as before it could be lost.
This also required turning fw_parent_device() into a macro to preserve
the const-ness of the pointer passed into it if necessary.
Cc: Stefan Richter <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
to_ssam_device() to use container_of_const() to handle this change.
to_ssam_device() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Reviewed-by: Maximilian Luz <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver core is changing to pass some pointers as const, so move
dev_to_i3cdev() to use container_of_const() to handle this change.
dev_to_i3cdev() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Acked-by: Alexandre Belloni <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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of_device_uevent_modalias() does not modify the device pointer passed to
it, so mark it constant. In order to properly do this, a number of
busses need to have a modalias function added as they were attempting to
just point to of_device_uevent_modalias instead of their bus-specific
modalias function. This is fine except if the prototype for a bus and
device type modalias function diverges and then problems could happen. To
prevent all of that, just wrap the call to of_device_uevent_modalias()
directly for each bus and device type individually.
Cc: Michael Ellerman <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Chen-Yu Tsai <[email protected]>
Cc: Jernej Skrabec <[email protected]>
Cc: Samuel Holland <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Frank Rowand <[email protected]>
Cc: Liang He <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Christophe JAILLET <[email protected]>
Cc: Thomas Zimmermann <[email protected]>
Cc: Dmitry Baryshkov <[email protected]>
Cc: Douglas Anderson <[email protected]>
Cc: Lyude Paul <[email protected]>
Cc: Corentin Labbe <[email protected]>
Cc: Zou Wei <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Acked-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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linux/hrtimer.h include was added because apparently it used
to contain ktime related code. This is no longer the case
and we include linux/time.h explicitly.
Sadly this change is currently a noop because linux/dma-mapping.h
and net/page_pool.h pull in half of the universe.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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splice.h is included since commit a60e3cc7c929 ("net: make
skb_splice_bits more configureable") but really even then
all we needed is some forward declarations. Most of that
code is now gone, and remaining has fwd declarations.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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linux/sched.h was added for skb_mstamp_* (all the way back
before linux/sched.h got split and linux/sched/clock.h created).
We don't need it in skbuff.h any more.
Sadly this change is currently a noop because linux/dma-mapping.h
and net/page_pool.h pull in half of the universe.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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It used to be necessary for skb_mstamp_* static inlines,
but those are gone since we moved to usec timestamps in
TCP, in 2017.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Number of files depend on linux/sched/clock.h getting included
by linux/skbuff.h which soon will no longer be the case.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This include was added for skb_find_text() but all we need there
is a forward declaration of struct ts_config.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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It appears nothing needs it. The kernel builds fine with this
include removed, building an otherwise empty source file with:
#include <linux/skbuff.h>
#ifdef _LINUX_NET_H
#error linux/net.h is back
#endif
works too (meaning net.h is not just pulled in indirectly).
This gives us a slight 0.5% reduction in the pre-processed size
of skbuff.h.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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linux/net.h will soon not be included by linux/skbuff.h.
Fix the cases where source files were depending on the implicit
include.
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add a generic [devm_]led_get() method which can be used on both devicetree
and non devicetree platforms to get a LED classdev associated with
a specific function on a specific device, e.g. the privacy LED associated
with a specific camera sensor.
Note unlike of_led_get() this takes a string describing the function
rather then an index. This is done because e.g. camera sensors might
have a privacy LED, or a flash LED, or both and using an index
approach leaves it unclear what the function of index 0 is if there is
only 1 LED.
This uses a lookup-table mechanism for non devicetree platforms.
This allows the platform code to map specific LED class_dev-s to a specific
device,function combinations this way.
For devicetree platforms getting the LED by function-name could be made
to work using the standard devicetree pattern of adding a -names string
array to map names to the indexes.
Reviewed-by: Linus Walleij <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Add the mfd driver for the Platform Management Component Interface
(PMCI) based interface of Intel MAX10 BMC controller.
PMCI is a software-visible interface, connected to card BMC which
provided the basic functionality of read/write BMC register. The access
to the register is done indirectly via a hardware controller/bridge
that handles read/write/clear commands and acknowledgments for the
commands.
Previously, intel-m10-bmc provided sysfs under
/sys/bus/spi/devices/... which is generalized in this change because
not all MAX10 BMC appear under SPI anymore.
Co-developed-by: Tianfei zhang <[email protected]>
Signed-off-by: Tianfei zhang <[email protected]>
Co-developed-by: Russ Weight <[email protected]>
Signed-off-by: Russ Weight <[email protected]>
Co-developed-by: Matthew Gerlach <[email protected]>
Signed-off-by: Matthew Gerlach <[email protected]>
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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The rsu status field moves from the doorbell register to the auth
result register in the PMCI implementation of the MAX10 BMC. In order
to prepare for that, refactor the sec update driver code to have a type
specific ops that provides ->rsu_status().
Co-developed-by: Tianfei zhang <[email protected]>
Signed-off-by: Tianfei zhang <[email protected]>
Co-developed-by: Russ Weight <[email protected]>
Signed-off-by: Russ Weight <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Acked-by: Xu Yilun <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Prefix the M10BMC defines register defines with M10BMC_N3000 to make it
more obvious these are related to some board type. All current
non-N3000 board types have the same layout so they'll be reused. The
less generic makes it more obvious they're not meant for the
generic/interface agnostic code.
Reviewed-by: Russ Weight <[email protected]>
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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There are different addresses for the MAX10 CSR registers. Introducing
a new data structure m10bmc_csr_map for the register definition of
MAX10 CSR.
Provide the csr_map for SPI.
Co-developed-by: Tianfei zhang <[email protected]>
Signed-off-by: Tianfei zhang <[email protected]>
Reviewed-by: Russ Weight <[email protected]>
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Split the common code from intel-m10-bmc driver into intel-m10-bmc-core
and move the SPI bus parts into an interface specific file.
intel-m10-bmc-core becomes the core MFD functions which can support
multiple bus interface like SPI bus.
Co-developed-by: Tianfei zhang <[email protected]>
Signed-off-by: Tianfei zhang <[email protected]>
Reviewed-by: Russ Weight <[email protected]>
Acked-by: Guenter Roeck <[email protected]> # hwmon
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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BMC type specific info is currently set by a switch/case block. The
size of this info is expected to grow as more dev types and features
are added which would have made the switch block bloaty.
Store type specific info into struct and place them into .driver_data
instead because it makes things a bit cleaner.
The m10bmc_type enum can be dropped as the differentiation is now
fully handled by the platform info.
The info member of struct intel_m10bmc that is added here is not used
yet in this change but its addition logically still belongs to this
change. The CSR map change that comes after this change needs to have
the info member.
Reviewed-by: Russ Weight <[email protected]>
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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linux/mfd/intel-m10-bmc.h is using:
- pr_err(), thus include also linux/dev_printk.h
- FIELD_GET(), this include also linux/bitfield.h
- GENMASK(), thus include also linux/bits.h
Signed-off-by: Ilpo Järvinen <[email protected]>
Reviewed-by: Russ Weight <[email protected]>
Reviewed-by: Xu Yilun <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
virtchnl: update and refactor
Jesse Brandeburg says:
The virtchnl.h file is used by i40e/ice physical function (PF) drivers
and irdma when talking to the iavf driver. This series cleans up the
header file by removing unused elements, adding/cleaning some comments,
fixing the data structures so they are explicitly defined, including
padding, and finally does a long overdue rename of the IWARP members in
the structures to RDMA, since the ice driver and it's associated Intel
Ethernet E800 series adapters support both RDMA and IWARP.
The whole series should result in no functional change, but hopefully
clearer code.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
virtchnl: i40e/iavf: rename iwarp to rdma
virtchnl: do structure hardening
virtchnl: update header and increase header clarity
virtchnl: remove unused structure declaration
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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state_lock, the spinlock type is meant to protect race against concurrent
MHI state transitions. In mhi_ep_set_m0_state(), while the state_lock is
being held, the channels are resumed in mhi_ep_resume_channels() if the
previous state was M3. This causes sleeping in atomic bug, since
mhi_ep_resume_channels() use mutex internally.
Since the state_lock is supposed to be held throughout the state change,
it is not ideal to drop the lock before calling mhi_ep_resume_channels().
So to fix this issue, let's change the type of state_lock to mutex. This
would also allow holding the lock throughout all state transitions thereby
avoiding any potential race.
Cc: <[email protected]> # 5.19
Fixes: e4b7b5f0f30a ("bus: mhi: ep: Add support for suspending and resuming channels")
Reported-by: Dan Carpenter <[email protected]>
Reviewed-by: Jeffrey Hugo <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
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Almost all validation logic is in the drivers, but they are
missing reliable way to convey failure reason to userspace
applications.
Let's use extack to return this information to users.
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Almost all validation logic is in the drivers, but they are
missing reliable way to convey failure reason to userspace
applications.
Let's use extack to return this information to users.
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Currently all fences have a 30 second timeout to ensure they are
cleaned up if the fence never completes otherwise. However, this
one size fits all solution doesn't actually fit in every case,
such as syncpoint waiting where we want to be able to have timeouts
longer than 30 seconds. As such, we want to be able to give control
over fence cancellation to the caller (and maybe eventually get rid
of the internal timeout altogether).
Here we add this cancellation mechanism by essentially adding a
function for entering the timeout path by function call, and changing
the syncpoint wait function to use it.
Signed-off-by: Mikko Perttunen <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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In anticipation of removal of the intr API, implement job tracking
using DMA fences instead. The main two things about this are
making cdma_update schedule the work since fence completion can
now be called from interrupt context, and some complication in
ensuring the callback is not running when we free the fence.
Signed-off-by: Mikko Perttunen <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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CONFIG_ETHTOOL_NETLINK=n
ethtool_aggregate_*_stats() are implemented in net/ethtool/stats.c, a
file which is compiled out when CONFIG_ETHTOOL_NETLINK=n. In order to
avoid adding Kbuild dependencies from drivers (which call these helpers)
on CONFIG_ETHTOOL_NETLINK, let's add some shim definitions which simply
make the helpers dead code.
This means the function prototypes should have been located in
include/linux/ethtool_netlink.h rather than include/linux/ethtool.h.
Fixes: 449c5459641a ("net: ethtool: add helpers for aggregate statistics")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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This reverts commit 3550bba25d5587a701e6edf20e20984d2ee72c78.
No users for this one, revert it for good.
The ->add_pin_ranges() can be used instead.
Signed-off-by: Andy Shevchenko <[email protected]>
Tested-by: Stefan Wahren <[email protected]>
Tested-by: Florian Fainelli <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Acked-by: Bartosz Golaszewski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>
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Now that the i_version counter is reported in struct kstat, there is no
need for this export operation.
Acked-by: Chuck Lever <[email protected]>
Reviewed-by: NeilBrown <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
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The NFS server has a lot of special handling for different types of
change attribute access, depending on the underlying filesystem. In
most cases, it's doing a getattr anyway and then fetching that value
after the fact.
Rather that do that, add a new STATX_CHANGE_COOKIE flag that is a
kernel-only symbol (for now). If requested and getattr can implement it,
it can fill out this field. For IS_I_VERSION inodes, add a generic
implementation in vfs_getattr_nosec. Take care to mask
STATX_CHANGE_COOKIE off in requests from userland and in the result
mask.
Since not all filesystems can give the same guarantees of monotonicity,
claim a STATX_ATTR_CHANGE_MONOTONIC flag that filesystems can set to
indicate that they offer an i_version value that can never go backward.
Eventually if we decide to make the i_version available to userland, we
can just designate a field for it in struct statx, and move the
STATX_CHANGE_COOKIE definition to the uapi header.
Reviewed-by: NeilBrown <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
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The i_version field in the kernel has had different semantics over
the decades, but NFSv4 has certain expectations. Update the comments
in iversion.h to describe when the i_version must change.
Cc: Colin Walters <[email protected]>
Cc: NeilBrown <[email protected]>
Cc: Trond Myklebust <[email protected]>
Cc: Dave Chinner <[email protected]>
Reviewed-by: Christian Brauner <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
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Reviewed-by: NeilBrown <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Reviewed-by: Christian Brauner <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
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In a set of prior changes, we added the ability for struct_ops programs
to be sleepable. This patch enhances the dummy_st_ops selftest suite to
validate this behavior by adding a new sleepable struct_ops entry to
dummy_st_ops.
Signed-off-by: David Vernet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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The .check_member field of struct bpf_struct_ops is currently passed the
member's btf_type via const struct btf_type *t, and a const struct
btf_member *member. This allows the struct_ops implementation to check
whether e.g. an ops is supported, but it would be useful to also enforce
that the struct_ops prog being loaded for that member has other
qualities, like being sleepable (or not). This patch therefore updates
the .check_member() callback to also take a const struct bpf_prog *prog
argument.
Signed-off-by: David Vernet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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Since the latest Intel hardware does both IWARP and ROCE, rename the
term IWARP in the virtchnl header to be RDMA. Do this for both upper and
lower case instances. Many of the non-virtchnl.h changes were done with
regular expression replacements using perl like:
perl -p -i -e 's/_IWARP/_RDMA/' <files>
perl -p -i -e 's/_iwarp/_rdma/' <files>
and I had to pick up a few instances manually.
The virtchnl.h header has some comments and clarity added around when to
use certain defines.
note: had to fix a checkpatch warning for a long line by wrapping one of
the lines I changed.
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Jakub Andrysiak <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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The virtchnl interface can have a bunch of "soft" defined structures
hardened by using explicit sizes for declarations, and then referring to
the enum type that uses them in a comment. None of these changes should
change any of the structure sizes.
Also, remove a duplicate line in a switch statement and let two cases
uses the same code.
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Marek Szlosek <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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We already have the SPDX header, so just leave a copyright notice with
an updated year and get rid of the boilerplate header (so 2002!).
In addition, update a couple of comments to clarify how the various
parts of the virtchannel header interaction work.
No functional changes.
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Marek Szlosek <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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Nothing uses virtchnl_msg, just remove it.
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Marek Szlosek <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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Add cmdq support for mtk-mmsys config API.
The mmsys config register settings need to take effect with the other
HW settings(like OVL_ADAPTOR...) at the same vblanking time.
If we use CPU to write the mmsys reg, we can't guarantee all the
settings can be written in the same vblanking time.
Cmdq is used for this purpose. We prepare all the related HW settings
in one cmdq packet. The first command in the packet is "wait stream done",
and then following with all the HW settings. After the cmdq packet is
flush to GCE HW. The GCE waits for the "stream done event" to coming
and then starts flushing all the HW settings. This can guarantee all
the settings flush in the same vblanking.
Signed-off-by: Nancy.Lin <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Reviewed-by: CK Hu <[email protected]>
Tested-by: AngeloGioacchino Del Regno <[email protected]>
Tested-by: Bo-Chen Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Matthias Brugger <[email protected]>
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Add four mmsys config APIs. The config APIs are used for config
mmsys reg. Some mmsys regs need to be set according to the
HW engine binding to the mmsys simultaneously.
1. mtk_mmsys_merge_async_config: config merge async width/height.
async is used for cross-clock domain synchronization.
2. mtk_mmsys_hdr_confing: config hdr backend async width/height.
3. mtk_mmsys_mixer_in_config and mtk_mmsys_mixer_in_config:
config mixer related settings.
Signed-off-by: Nancy.Lin <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Reviewed-by: CK Hu <[email protected]>
Tested-by: AngeloGioacchino Del Regno <[email protected]>
Tested-by: Bo-Chen Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Matthias Brugger <[email protected]>
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Add new mmsys component: ethdr_mixer and mdp_rdma. These components will
use in mt8195 vdosys1.
Signed-off-by: Nancy.Lin <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Reviewed-by: CK Hu <[email protected]>
Tested-by: AngeloGioacchino Del Regno <[email protected]>
Tested-by: Bo-Chen Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Matthias Brugger <[email protected]>
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The RZ/V2M USB3.1 Gen1 Interface (USB) composed of a USB3.1 Gen1 Dual Role
Device controller (USB3DRD), a USB3.1 Gen1 Host controller (USB3HOST), a
USB3.1 Gen1 Peripheral controller (USB3PERI).
The reset for both host and peri are located in USB3DRD block. The
USB3DRD registers are mapped in the AXI address space of the Peripheral
module.
Add USB3DRD driver to handle reset for both host and peri modules.
Signed-off-by: Biju Das <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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