Data structures that are used both with and without RCU protection
are difficult to write in a sparse-clean manner. If you mark the
relevant pointers with __rcu, sparse will complain about all non-RCU
uses, but if you don't mark those pointers, sparse will complain about
all RCU uses.
This commit therefore suppresses sparse warnings for rcu_dereference_raw(),
allowing mixed-protection data structures to avoid these warnings.
Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Implement an RCU-safe variant of rb_replace_node() and rearrange
rb_replace_node() to do things in the same order.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Update some Xen headers to be able to use new functionality.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
The pv_time_ops structure contains a function pointer for the
"steal_clock" functionality used only by KVM and Xen on ARM. Xen on x86
uses its own mechanism to account for the "stolen" time a thread wasn't
able to run due to hypervisor scheduling.
Add support in Xen arch independent time handling for this feature by
moving it out of the arm arch into drivers/xen and remove the x86 Xen
hack.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Sometimes it needs to check if there is a subnode of given node in FDT
by given name. Introduce this helper to get the subnode if it exists.
CC: Rob Herring <robh@kernel.org>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Julien Grall <julien.grall@arm.com>
Move x86 specific codes to architecture directory and export those EFI
runtime service functions. This will be useful for initializing runtime
service on ARM later.
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
This new delivery type which is for ARM shares the same value with
HVM_PARAM_CALLBACK_TYPE_VECTOR which is for x86.
val[15:8] is flag: val[7:0] is a PPI.
To the flag, bit 8 stands the interrupt mode is edge(1) or level(0) and
bit 9 stands the interrupt polarity is active low(1) or high(0).
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Sync the changes of HVM_PARAM_CALLBACK_VIA ABI introduced by
Xen commit <ca5c54b6ff05> (public/hvm: export the HVM_PARAM_CALLBACK_VIA
ABI in the API).
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Add a new type of Xen map space for Dom0 to map device's MMIO region.
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Move xlated_setup_gnttab_pages to common place, so it can be reused by
ARM to setup grant table.
Rename it to xen_xlate_map_ballooned_pages.
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Replace hardcoded reserved memory ranges with auto-allocated ones
and enable MFC for all boards.
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Merge tag 'samsung-drivers-exynos-mfc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Topic branch for Exynos MFC changes for v4.8, part 2:
Replace hardcoded reserved memory ranges with auto-allocated ones
and enable MFC for all boards.
* tag 'samsung-drivers-exynos-mfc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: enable MFC device for all boards
ARM: dts: exynos: move MFC reserved memory regions from boards to .dtsi
ARM: dts: exynos: replace hardcoded reserved memory ranges with auto-allocated ones
ARM: dts: exynos: Enable MFC device on Exynos4412 Odroid boards
ARM: dts: exynos: Convert MFC device to generic reserved memory bindings
ARM: EXYNOS: Remove code for MFC custom reserved memory handling
media: s5p-mfc: add iommu support
media: s5p-mfc: replace custom reserved memory handling code with generic one
media: s5p-mfc: use generic reserved memory bindings
of: reserved_mem: add support for using more than one region for given device
media: set proper max seg size for devices on Exynos SoCs
media: vb2-dma-contig: add helper for setting dma max seg size
s5p-mfc: Fix race between s5p_mfc_probe() and s5p_mfc_open()
s5p-mfc: Add release callback for memory region devs
s5p-mfc: Set device name for reserved memory region devs
Signed-off-by: Olof Johansson <olof@lixom.net>
- A series of DSS platform_data fixes to prepare for DSS driver changes
- Add tblck clck aliases for PWM
- A series of trivial spelling corrections
- Remove bogus eQEP, ePWM and eCAP hwmod entries
- A series of McBSP sidetone fixes
- Remove QSPI and DSS addresses from hwmod, these come from dts
- Fix RSTST register offset for pruss
- Make ti81xx_rtc_hwmod static
- Remove wrongly defined RSTST offset for PER Domain, note
that the subject for this one wrongly has "dts" in the
subject
- Add support for omap5 and dra7 workaround for 801819
- A series of patches to make kexec work for SMP omaps
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Merge tag 'omap-for-v4.8/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC related changes for omaps for v4.8 merge window:
- A series of DSS platform_data fixes to prepare for DSS driver changes
- Add tblck clck aliases for PWM
- A series of trivial spelling corrections
- Remove bogus eQEP, ePWM and eCAP hwmod entries
- A series of McBSP sidetone fixes
- Remove QSPI and DSS addresses from hwmod, these come from dts
- Fix RSTST register offset for pruss
- Make ti81xx_rtc_hwmod static
- Remove wrongly defined RSTST offset for PER Domain, note
that the subject for this one wrongly has "dts" in the
subject
- Add support for omap5 and dra7 workaround for 801819
- A series of patches to make kexec work for SMP omaps
* tag 'omap-for-v4.8/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (30 commits)
ARM: OMAP2+: Fix build if CONFIG_SMP is not set
ARM: OMAP4+: Allow kexec on SMP variants
ARM: OMAP4+: Reset CPU1 properly for kexec
ARM: OMAP4+: Prevent CPU1 related hang with kexec
ARM: OMAP4+: Initialize SAR RAM base early for proper CPU1 reset for kexec
ARM: dts: am43xx: Remove wrongly defined RSTST offset for PER Domain
ARM: OMAP: make ti81xx_rtc_hwmod static
ARM: AM43XX: hwmod: Fix RSTST register offset for pruss
ARM: DRA7: hwmod: remove DSS addresses from hwmod
ARM: DRA7: hwmod: Remove QSPI address space entry from hwmod
ARM: OMAP2+: McBSP: Remove the old iclk allow/deny idle code
ASoC: omap-mcbsp: sidetone: Use the new callback for iclk handling
ASoC: omap-mcbsp: Rename omap_mcbsp_sysfs_remove() to omap_mcbsp_cleanup()
ARM: OMAP3: pdata-quirks: Add support for McBSP2/3 sidetone handling
ARM: OMAP3: McBSP: New callback for McBSP2/3 ICLK idle configuration
ARM: OMAP3: hwmod data: Fix McBSP2/3 sidetone data
ARM: AM335x/AM437x: hwmod: Remove eQEP, ePWM and eCAP hwmod entries
ARM: OMAP2+: Fix typo in sdrc.h
ARM: OMAP2+: Fix typo in omap_device.c
ARM: OMAP2+: Fix typo in omap4-common.c
...
Signed-off-by: Olof Johansson <olof@lixom.net>
- A patch series including both cpuidle and FEC driver changes to
disable deeper idle states when FEC is active while board level
workaround for ERR006687 is not available
- A number patches to fix sparse warnings and spell errors
- A fix for TZIC FIQ translation from VIRQ to HWIRQ
- Support compatible of i.MX7 Solo SoC which has a subset of i.MX7 Dual
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Merge tag 'imx-soc-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
The i.MX SoC changes for 4.8:
- A patch series including both cpuidle and FEC driver changes to
disable deeper idle states when FEC is active while board level
workaround for ERR006687 is not available
- A number patches to fix sparse warnings and spell errors
- A fix for TZIC FIQ translation from VIRQ to HWIRQ
- Support compatible of i.MX7 Solo SoC which has a subset of i.MX7 Dual
* tag 'imx-soc-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: add support for i.MX 7Solo
ARM: i.MX: Disable supervisor protect for i.MX51
ARM: imx6: fix missing <soc/imx/cpuidle.h> in cpuidle-imx6q.c
ARM: i.MX: Fix FIQ interrupt handling for TZIC
ARM: imx6: fix static declaration in include/soc/imx/cpuidle.h
ARM: imx6q: export cpuidle functions needed by fec driver
ARM: imx: fix missing include of common.h
ARM: imx: fix missing includes
ARM: imx6: disable deeper idle states when FEC is active w/o HW workaround
ARM: mach-imx6q: fix spelling mistake in error message
Signed-off-by: Olof Johansson <olof@lixom.net>
Allow dio requests to be scheduled in parallel, but ensuring that they
do not conflict with buffered I/O.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Currently ftrace_graph_ent{,_entry} and ftrace_graph_ret{,_entry} struct
can have padding bytes at the end due to alignment in 64-bit data type.
As these data are recorded so frequently, those paddings waste
non-negligible space. As the ring buffer maintains alignment properly
for each architecture, just to remove the extra padding using 'packed'
attribute.
ftrace_graph_ent_entry: 24 -> 20
ftrace_graph_ret_entry: 48 -> 44
Also I moved the 'overrun' field in struct ftrace_graph_ret to minimize
the padding in the middle.
Tested on x86_64 only.
Link: http://lkml.kernel.org/r/1467197808-13578-1-git-send-email-namhyung@kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
For filesystems mounted from a user namespace on-disk ids should
be translated relative to s_users_ns rather than init_user_ns.
When an id in the filesystem doesn't exist in s_user_ns the
associated id in the inode will be set to INVALID_[UG]ID, which
turns these into de facto "nobody" ids. This actually maps pretty
well into the way most code already works, and those places where
it didn't were fixed in previous patches. Moving forward vfs code
needs to be careful to handle instances where ids in inodes may
be invalid.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Introduce the helper qid_has_mapping and use it to ensure that the
quota system only considers qids that map to the filesystems
s_user_ns.
In practice for quota supporting filesystems today this is the exact
same check as qid_valid. As only 0xffffffff aka (qid_t)-1 does not
map into init_user_ns.
Replace the qid_valid calls with qid_has_mapping as values come in
from userspace. This is harmless today and it prepares the quota
system to work on filesystems with quotas but mounted by unprivileged
users.
Call qid_has_mapping from dqget. This ensures the passed in qid has a
prepresentation on the underlying filesystem. Previously this was
unnecessary as filesystesm never had qids that could not map. With
the introduction of filesystems outside of s_user_ns this will not
remain true.
All of this ensures the quota code never has to deal with qids that
don't map to the underlying filesystem.
Cc: Jan Kara <jack@suse.cz>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
When a filesystem outside of init_user_ns is mounted it could have
uids and gids stored in it that do not map to init_user_ns.
The plan is to allow those filesystems to set i_uid to INVALID_UID and
i_gid to INVALID_GID for unmapped uids and gids and then to handle
that strange case in the vfs to ensure there is consistent robust
handling of the weirdness.
Upon a careful review of the vfs and filesystems about the only case
where there is any possibility of confusion or trouble is when the
inode is written back to disk. In that case filesystems typically
read the inode->i_uid and inode->i_gid and write them to disk even
when just an inode timestamp is being updated.
Which leads to a rule that is very simple to implement and understand
inodes whose i_uid or i_gid is not valid may not be written.
In dealing with access times this means treat those inodes as if the
inode flag S_NOATIME was set. Reads of the inodes appear safe and
useful, but any write or modification is disallowed. The only inode
write that is allowed is a chown that sets the uid and gid on the
inode to valid values. After such a chown the inode is normal and may
be treated as such.
Denying all writes to inodes with uids or gids unknown to the vfs also
prevents several oddball cases where corruption would have occurred
because the vfs does not have complete information.
One problem case that is prevented is attempting to use the gid of a
directory for new inodes where the directories sgid bit is set but the
directories gid is not mapped.
Another problem case avoided is attempting to update the evm hash
after setxattr, removexattr, and setattr. As the evm hash includeds
the inode->i_uid or inode->i_gid not knowning the uid or gid prevents
a correct evm hash from being computed. evm hash verification also
fails when i_uid or i_gid is unknown but that is essentially harmless
as it does not cause filesystem corruption.
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
KAS: keep-alive support and granularity of kato in units of 100 ms
nvme_admin_keep_alive opcode: 0x18
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
The NVMe over Fabrics specification defines a protocol interface and
related extensions to NVMe that enable operation over network protocols.
The NVMe over Fabrics specification has an NVMe Transport binding for
each NVMe Transport.
This patch adds the fabrics related definitions:
- fabric specific command set and error codes
- transport addressing and binding definitions
- fabrics sgl extensions
- controller identification fabrics enhancements
- discovery log page definition
Signed-off-by: Armen Baloyan <armenx.baloyan@intel.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Jay Freyensee <james.p.freyensee@intel.com>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
For some protocols like NVMe over Fabrics we need to be able to send
initialization commands to a specific queue.
Based on an earlier patch from Christoph Hellwig <hch@lst.de>.
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
[hch: disallow sleeping allocation, req_op fixes]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
When the data plane is offloaded the traffic doesn't go through the
networking stack. Therefore, after first resolving a neighbour the NUD
state machine will transition it from REACHABLE to STALE until it's
finally deleted by the garbage collector.
To prevent such situations the offloading driver should notify the NUD
state machine on any neighbours that were recently used. The driver's
polling interval should be set so that the NUD state machine can
function as if the traffic wasn't offloaded.
Currently, there are no in-tree drivers that can report confirmation for
a neighbour, but only 'used' indication. Therefore, the polling interval
should be set according to DELAY_FIRST_PROBE_TIME, as a neighbour will
transition from REACHABLE state to DELAY (instead of STALE) if "a packet
was sent within the last DELAY_FIRST_PROBE_TIME seconds" (RFC 4861).
Send a netevent whenever the DELAY_FIRST_PROBE_TIME changes - either via
netlink or sysctl - so that offloading drivers can correctly set their
polling interval.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
L2 upper device needs to propagate neigh_construct/destroy calls down to
lower devices. Do this by defining default ndo functions and use them in
team, bond, bridge and vlan.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the following patch will allow upper devices to follow the call down
lower devices, we need to add dev here and not rely on n->dev.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When parsing a private key, store all non-optional fields. These
are required for enabling CRT mode for decrypt and verify
Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This is useful outside the core, when one dapm element is added
at a time.
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
It's better to pass the connector to platform driver in .get_modes()
callback, just like what the .get_modes() helper function designed.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Tomasz Figa <tomasz.figa@chromium.com>
RK3399 and RK3288 shared the same eDP IP controller, only some light
difference with VOP configure and GRF configure.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Acked-by: Mark Yao <mark.yao@rock-chips.com>
Reviewed-by: Tomasz Figa <tomasz.figa@chromium.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Implement etrhtool set_rxnfc callback to support ethtool flow spec
direct steering. This patch adds only the support of ether flow type
spec. L3/L4 flow specs support will be added in downstream patches.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of having all steering private name spaces and
steering module fields flat in mlx5_core_priv, we wrap
them in mlx5_flow_steering for better modularity and
API exposure.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reduce the set of arguments passed to mlx5_add_flow_rule
by introducing flow_spec structure.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Cleanup work by Markus Pargmann and Sven Eckelmann (six patches)
- Initial Netlink support by Matthias Schiffer (two patches)
- Throughput Meter implementation by Antonio Quartulli, a kernel-space
traffic generator to estimate link speeds. This feature is useful on
low-end WiFi APs where running iperf or netperf from userspace
gives wrong results due to heavy userspace/kernelspace overhead.
(two patches)
- API clean-up work by Antonio Quartulli (one patch)
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Merge tag 'batadv-next-for-davem-20160704' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This feature patchset includes the following changes:
- Cleanup work by Markus Pargmann and Sven Eckelmann (six patches)
- Initial Netlink support by Matthias Schiffer (two patches)
- Throughput Meter implementation by Antonio Quartulli, a kernel-space
traffic generator to estimate link speeds. This feature is useful on
low-end WiFi APs where running iperf or netperf from userspace
gives wrong results due to heavy userspace/kernelspace overhead.
(two patches)
- API clean-up work by Antonio Quartulli (one patch)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* Rework of SCM driver
* Add file patterns for Qualcomm Maintainers entry
* Add worker for wcnss_ctrl signaling
* Fixes for smp2p
* Update smem_state properties to match documentation
* Add SCM Peripheral Authentication service
* Expose SCM PAS command 10 as a reset controller
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Merge tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based Driver Updates for v4.8
* Rework of SCM driver
* Add file patterns for Qualcomm Maintainers entry
* Add worker for wcnss_ctrl signaling
* Fixes for smp2p
* Update smem_state properties to match documentation
* Add SCM Peripheral Authentication service
* Expose SCM PAS command 10 as a reset controller
* tag 'qcom-drivers-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
firmware: qcom: scm: Expose PAS command 10 as reset-controller
firmware: qcom: scm: Peripheral Authentication Service
soc: qcom: Update properties for smem state referencing
soc: qcom: smp2p: Drop io-accessors
soc: qcom: smp2p: Correct addressing of outgoing value
soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components
firmware: qcom: scm: Add support for ARM64 SoCs
firmware: qcom: scm: Convert to streaming DMA APIS
firmware: qcom: scm: Generalize shared error map
firmware: qcom: scm: Use atomic SCM for cold boot
firmware: qcom: scm: Convert SCM to platform driver
MAINTAINERS: Add file patterns for qcom device tree bindings
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Adds support for device power state management using generic power
domains and runtime PM
2. Other minor/miscellaneous fixes to the driver
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Merge tag 'scpi-updates-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers
SCPI updates and fixes for v4.8
1. Adds support for device power state management using generic power
domains and runtime PM
2. Other minor/miscellaneous fixes to the driver
* tag 'scpi-updates-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: scpi: add device power domain support using genpd
Documentation: add DT bindings for ARM SCPI power domains
firmware: arm_scpi: add support for device power state management
firmware: arm_scpi: make it depend on MAILBOX instead of ARM_MHU
firmware: arm_scpi: mark scpi_get_sensor_value as static
firmware: arm_scpi: remove dvfs_get packed structure
Signed-off-by: Olof Johansson <olof@lixom.net>
Add functions that iterate over lower devices and find port device.
As a dependency add netdev_for_each_all_lower_dev and
netdev_for_each_all_lower_dev_rcu macro with
netdev_all_lower_get_next and netdev_all_lower_get_next_rcu shelpers.
Also, add functions to return mlxsw struct according to lower device
found and mlxsw_port struct with a reference to lower device.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As vendor document indicate, when REF_CLK bit set 0, then DP
phy's REF_CLK should switch to 24M source clock.
But due to IC PHY layout mistaken, some chips need to flip this
bit(like RK3288), and unfortunately they didn't indicate in the
DP version register. That's why we have to make this little hack.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-by: Tomasz Figa <tomasz.figa@chromium.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Allow the HDMI CODECs to get private data passed in in callbacks.
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Merge tag 'asoc-hdmi-codec-pdata' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into drm-next
ASoC: Add private data for HDMI CODEC callbacks
Allow the HDMI CODECs to get private data passed in in callbacks.
[airlied:
Add STI/mediatek patches from Arnd for drivers merged later in drm tree.]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* tag 'asoc-hdmi-codec-pdata' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
ASoC: hdmi-codec: callback function will be called with private data
If skb_clear_hash() was invoked due to mangling of relevant headers and
BPF program needs skb->hash later on, we can add a helper to trigger hash
recalculation via bpf_get_hash_recalc().
The helper will return the newly retrieved hash directly, but later access
can also be done via skb context again through skb->hash directly (inline)
without needing to call the helper once more.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Extremely useful for setting packet type to host so i dont
have to modify the dst mac address using pedit (which requires
that i know the mac address)
Example usage:
tc filter add dev eth0 parent ffff: protocol ip pref 9 u32 \
match ip src 5.5.5.5/32 \
flowid 1:5 action skbedit ptype host
This will tag all packets incoming from 5.5.5.5 with type
PACKET_HOST
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The initial use for this is for PHYs that have a mode related to USB OTG.
There are several SoCs (e.g. TI OMAP and DA8xx) that have a mode setting
in the USB PHY to override OTG VBUS and ID signals.
Of course, the enum can be expaned in the future to include modes for
other types of PHYs as well.
Suggested-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
The throughput meter module is a simple, kernel-space replacement for
throughtput measurements tool like iperf and netperf. It is intended to
approximate TCP behaviour.
It is invoked through batctl: the protocol is connection oriented, with
cumulative acknowledgment and a dynamic-size sliding window.
The test *can* be interrupted by batctl. A receiver side timeout avoids
unlimited waitings for sender packets: after one second of inactivity, the
receiver abort the ongoing test.
Based on a prototype from Edo Monticelli <montik@autistici.org>
Signed-off-by: Antonio Quartulli <antonio.quartulli@open-mesh.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
BATADV_CMD_GET_MESH_INFO is used to query basic information about a
batman-adv softif (name, index and MAC address for both the softif and
the primary hardif; routing algorithm; batman-adv version).
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[sven.eckelmann@open-mesh.com: Reduce the number of changes to
BATADV_CMD_GET_MESH_INFO, add missing kerneldoc, add policy for attributes]
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
