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This interface driver is a helper driver allows other drivers to
have a common interface with the Hyper-V PCI frontend driver.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I have been reviewing patches for md in the past few months. Mark me
as the MD maintainer, as I have effectively been filling that role.
Cc: NeilBrown <neilb@suse.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"A couple bugfixes, and mostly selftests changes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
selftests/kvm: make platform_info_test pass on AMD
Revert "KVM: x86/mmu: Zap only the relevant pages when removing a memslot"
selftests: kvm: fix state save/load on processors without XSAVE
selftests: kvm: fix vmx_set_nested_state_test
selftests: kvm: provide common function to enable eVMCS
selftests: kvm: do not try running the VM in vmx_set_nested_state_test
KVM: x86: svm: remove redundant assignment of var new_entry
MAINTAINERS: add KVM x86 reviewers
MAINTAINERS: change list for KVM/s390
kvm: x86: skip populating logical dest map if apic is not sw enabled
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- dma-buf: add reservation_object_fences helper, relax
reservation_object_add_shared_fence, remove
reservation_object seq number (and then
restored)
- dma-fence: Shrinkage of the dma_fence structure,
Merge dma_fence_signal and dma_fence_signal_locked,
Store the timestamp in struct dma_fence in a union with
cb_list
Driver Changes:
- More dt-bindings YAML conversions
- More removal of drmP.h includes
- dw-hdmi: Support get_eld and various i2s improvements
- gm12u320: Few fixes
- meson: Global cleanup
- panfrost: Few refactors, Support for GPU heap allocations
- sun4i: Support for DDC enable GPIO
- New panels: TI nspire, NEC NL8048HL11, LG Philips LB035Q02,
Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1
Toppoly TD043MTEA1
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Merge tag 'drm-misc-next-2019-08-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.4:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- dma-buf: add reservation_object_fences helper, relax
reservation_object_add_shared_fence, remove
reservation_object seq number (and then
restored)
- dma-fence: Shrinkage of the dma_fence structure,
Merge dma_fence_signal and dma_fence_signal_locked,
Store the timestamp in struct dma_fence in a union with
cb_list
Driver Changes:
- More dt-bindings YAML conversions
- More removal of drmP.h includes
- dw-hdmi: Support get_eld and various i2s improvements
- gm12u320: Few fixes
- meson: Global cleanup
- panfrost: Few refactors, Support for GPU heap allocations
- sun4i: Support for DDC enable GPIO
- New panels: TI nspire, NEC NL8048HL11, LG Philips LB035Q02,
Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1
Toppoly TD043MTEA1
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: fixup dma_resv rename fallout]
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190819141923.7l2adietcr2pioct@flea
Replace "driver" with "drivers" in the filepath to net_failover.c
Cc: Sridhar Samudrala <sridhar.samudrala@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Fixes: cfc80d9a1163 ("net: Introduce net_failover driver")
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Remove IP MASQUERADING record in MAINTAINERS file,
from Denis Efremov.
2) Counter arguments are swapped in ebtables, from
Todd Seidelmann.
3) Missing netlink attribute validation in flow_offload
extension.
4) Incorrect alignment in xt_nfacct that breaks 32-bits
userspace / 64-bits kernels, from Juliana Rodrigueiro.
5) Missing include guard in nf_conntrack_h323_types.h,
from Masahiro Yamada.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge conflict of mlx5 resolved using instructions in merge
commit 9566e650bf7fdf58384bb06df634f7531ca3a97e.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) Fix jmp to 1st instruction in x64 JIT, from Alexei Starovoitov.
2) Severl kTLS fixes in mlx5 driver, from Tariq Toukan.
3) Fix severe performance regression due to lack of SKB coalescing of
fragments during local delivery, from Guillaume Nault.
4) Error path memory leak in sch_taprio, from Ivan Khoronzhuk.
5) Fix batched events in skbedit packet action, from Roman Mashak.
6) Propagate VLAN TX offload to hw_enc_features in bond and team
drivers, from Yue Haibing.
7) RXRPC local endpoint refcounting fix and read after free in
rxrpc_queue_local(), from David Howells.
8) Fix endian bug in ibmveth multicast list handling, from Thomas
Falcon.
9) Oops, make nlmsg_parse() wrap around the correct function,
__nlmsg_parse not __nla_parse(). Fix from David Ahern.
10) Memleak in sctp_scend_reset_streams(), fro Zheng Bin.
11) Fix memory leak in cxgb4, from Wenwen Wang.
12) Yet another race in AF_PACKET, from Eric Dumazet.
13) Fix false detection of retransmit failures in tipc, from Tuong
Lien.
14) Use after free in ravb_tstamp_skb, from Tho Vu.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
ravb: Fix use-after-free ravb_tstamp_skb
netfilter: nf_tables: map basechain priority to hardware priority
net: sched: use major priority number as hardware priority
wimax/i2400m: fix a memory leak bug
net: cavium: fix driver name
ibmvnic: Unmap DMA address of TX descriptor buffers after use
bnxt_en: Fix to include flow direction in L2 key
bnxt_en: Use correct src_fid to determine direction of the flow
bnxt_en: Suppress HWRM errors for HWRM_NVM_GET_VARIABLE command
bnxt_en: Fix handling FRAG_ERR when NVM_INSTALL_UPDATE cmd fails
bnxt_en: Improve RX doorbell sequence.
bnxt_en: Fix VNIC clearing logic for 57500 chips.
net: kalmia: fix memory leaks
cx82310_eth: fix a memory leak bug
bnx2x: Fix VF's VLAN reconfiguration in reload.
Bluetooth: Add debug setting for changing minimum encryption key size
tipc: fix false detection of retransmit failures
lan78xx: Fix memory leaks
MAINTAINERS: r8169: Update path to the driver
MAINTAINERS: PHY LIBRARY: Update files in the record
...
Add some nascent infrastructure for handling implementation-specific
details outside the flow of the architectural code. This will allow us
to keep mutually-incompatible vendor-specific hooks in their own files
where the respective interested parties can maintain them with minimal
chance of conflicts. As somewhat of a template, we'll start with a
general place to collect the relatively trivial existing quirks.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
This entry is in MAINTAINERS for historical purpose.
It doesn't match current sources since the commit
adf82accc5f5 ("netfilter: x_tables: merge ip and
ipv6 masquerade modules") moved the module.
The net/netfilter/xt_MASQUERADE.c module is already under
the netfilter section. Thus, there is no purpose to keep this
separate entry in MAINTAINERS.
Cc: Florian Westphal <fw@strlen.de>
Cc: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar>
Cc: netfilter-devel@vger.kernel.org
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fix typo (s/quadddec/quaddec/) in the path to the documentation.
Cc: linux-iio@vger.kernel.org
Fixes: 517b2d045aeb ("MAINTAINERS: add counter/ftm-quaddec driver entry")
Signed-off-by: Denis Efremov <efremov@linux.com>
Acked-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Pull x86 fixes from Thomas Gleixner:
"A set of fixes for x86:
- Fix the inconsistent error handling in the umwait init code
- Rework the boot param zeroing so gcc9 stops complaining about out
of bound memset. The resulting source code is actually more sane to
read than the smart solution we had
- Maintainers update so Tony gets involved when Intel models are
added
- Some more fallthrough fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Save fields explicitly, zero out everything else
MAINTAINERS, x86/CPU: Tony Luck will maintain asm/intel-family.h
x86/fpu/math-emu: Address fallthrough warnings
x86/apic/32: Fix yet another implicit fallthrough warning
x86/umwait: Fix error handling in umwait_init()
- A fix for the hyper-v MAINTAINERs entry from Lan Tianyu.
- Fix for SPDX license identifier in the userspace tools from Nishad
Kamdar.
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Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fixes from Sasha Levin:
- A few fixes for the userspace hyper-v tools from Adrian Vladu.
- A fix for the hyper-v MAINTAINERs entry from Lan Tianyu.
- Fix for SPDX license identifier in the userspace tools from Nishad
Kamdar.
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
MAINTAINERS: Fix Hyperv vIOMMU driver file name
tools: hv: Use the correct style for SPDX License Identifier
tools: hv: fix typos in toolchain
tools: hv: fix KVP and VSS daemons exit code
tools: hv: fixed Python pep8/flake8 warnings for lsvmbus
Export a function that can be invoked in order to report packets that
were dropped by the underlying hardware along with metadata.
Subsequent patches will add support for the different alert modes.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Hyperv vIOMMU file name should be "hyperv-iommu.c" rather
than "hyperv_iommu.c". This patch is to fix it.
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Pull i2c fixes from Wolfram Sang:
"I2C has one revert because of a regression, two fixes for tiny race
windows (which we were not able to trigger), a MAINTAINERS addition,
and a SPDX fix"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: stm32: Use the correct style for SPDX License Identifier
i2c: emev2: avoid race when unregistering slave client
i2c: rcar: avoid race when unregistering slave client
MAINTAINERS: i2c-imx: take over maintainership
Revert "i2c: imx: improve the error handling in i2c_imx_dma_request()"
Sven is taking care of tracking our patches and merging most of them in
our tree. Let's add him to the MAINTAINERS file so he will get all
patch e-mails.
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Acked-by: Antonio Quartulli <a@unstable.cc>
Update MAINTAINERS record to reflect the filename change.
The file was moved in commit 25e992a4603c ("r8169: rename
r8169.c to r8169_main.c")
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: nic_swsd@realtek.com
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update MAINTAINERS to reflect that sysfs-bus-mdio was removed in
commit a6cd0d2d493a ("Documentation: net-sysfs: Remove duplicate
PHY device documentation") and sysfs-class-net-phydev was added in
commit 86f22d04dfb5 ("net: sysfs: Document PHY device sysfs
attributes").
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change adds bindings for the Analog Devices ADIN PHY driver, detailing
all the properties implemented by the driver.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change adds support for Analog Devices Industrial Ethernet PHYs.
Particularly the PHYs this driver adds support for:
* ADIN1200 - Robust, Industrial, Low Power 10/100 Ethernet PHY
* ADIN1300 - Robust, Industrial, Low Latency 10/100/1000 Gigabit
Ethernet PHY
The 2 chips are register compatible with one another. The main difference
being that ADIN1200 doesn't operate in gigabit mode.
The chips can be operated by the Generic PHY driver as well via the
standard IEEE PHY registers (0x0000 - 0x000F) which are supported by the
kernel as well. This assumes that configuration of the PHY has been done
completely in HW, according to spec.
Configuration can also be done via registers, which will be supported by
this driver.
Datasheets:
https://www.analog.com/media/en/technical-documentation/data-sheets/ADIN1300.pdfhttps://www.analog.com/media/en/technical-documentation/data-sheets/ADIN1200.pdf
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SGI SN2 support is about to be removed. Remove this driver that
depends on the SN2 support.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-9-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
- Update MAINTAINERS now that we've removed fs/iomap.c.
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Merge tag 'iomap-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fixlet from Darrick Wong:
"A single update to the MAINTAINERS entry for iomap now that we've
removed fs/iomap.c"
* tag 'iomap-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
MAINTAINERS: iomap: Remove fs/iomap.c record
The ov5670 driver didn't get a MAINTAINERS entry when it was merged. Add
one now.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Add a V4L2 sub-device driver for Omnivision ov5675 image sensor.
This is a camera sensor using the I2C bus for control and the
CSI-2 bus for data.
This driver supports following features:
- manual exposure and analog/digital gain control support
- vblank/hblank control support
- test pattern support
- media controller support
- runtime PM support
- support following resolutions:
+ 2592x1944 at 30FPS
+ 1296x972 at 30FPS
[Sakari Ailus: Wrapped a few long lines.]
[mchehab+samsung@kernel.org: fix a checkpatch warning]
Signed-off-by: Shawn Tu <shawnx.tu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
There are a few different subsystems in the kernel that depend on model
specific behaviour (perf, EDAC, power, ...). Easier for just one person
to have the task to get new model numbers included instead of having
these groups trip over each other to do it.
[ bp: s/Cpu/CPU/ and add x86@kernel.org so that it gets CCed too as
FYI. ]
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190814234030.30817-1-tony.luck@intel.com
Handful of fixes/updates including:
1. SCMI v2.0(recently released) support for:
- Performance protocol fast channels
- Reset Management Protocol
2. SCMI infrastructure/core support for recieve(Rx) channels,
asynchronous commands and delayed response
3. Usage of asynchronous commands for clock rate setting and sensor
reading based on the attributes read from the firmware
4. Miscellaneous cleanups(typos, naming alignment with specification,
and SPDX License identifier)
5. Couple of fixes: removal of extra check for invalid length and
additional check to ensure platform/firmware has released shared
memory before using it in OSPM
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Merge tag 'scmi-updates-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers
ARM SCMI updates/fixes for v5.4
Handful of fixes/updates including:
1. SCMI v2.0(recently released) support for:
- Performance protocol fast channels
- Reset Management Protocol
2. SCMI infrastructure/core support for recieve(Rx) channels,
asynchronous commands and delayed response
3. Usage of asynchronous commands for clock rate setting and sensor
reading based on the attributes read from the firmware
4. Miscellaneous cleanups(typos, naming alignment with specification,
and SPDX License identifier)
5. Couple of fixes: removal of extra check for invalid length and
additional check to ensure platform/firmware has released shared
memory before using it in OSPM
* tag 'scmi-updates-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (22 commits)
reset: Add support for resets provided by SCMI
firmware: arm_scmi: Add RESET protocol in SCMI v2.0
dt-bindings: arm: Extend SCMI to support new reset protocol
firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol
firmware: arm_scmi: Add discovery of SCMI v2.0 performance fastchannels
firmware: arm_scmi: Use {get,put}_unaligned_le{32,64} accessors
firmware: arm_scmi: Use asynchronous CLOCK_RATE_SET when possible
firmware: arm_scmi: Drop config flag in clk_ops->rate_set
firmware: arm_scmi: Add asynchronous sensor read if it supports
firmware: arm_scmi: Drop async flag in sensor_ops->reading_get
firmware: arm_scmi: Add support for asynchronous commands and delayed response
firmware: arm_scmi: Add mechanism to unpack message headers
firmware: arm_scmi: Separate out tx buffer handling and prepare to add rx
firmware: arm_scmi: Add receive channel support for notifications
firmware: arm_scmi: Segregate tx channel handling and prepare to add rx
firmware: arm_scmi: Reorder some functions to avoid forward declarations
firmware: arm_scmi: Check if platform has released shmem before using
firmware: arm_scmi: Use the term 'message' instead of 'command'
firmware: arm_scmi: Fix few trivial typos in comments
firmware: arm_scmi: Remove extra check for invalid length message responses
...
Link: https://lore.kernel.org/r/20190814172454.26191-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This is probably overdue---KVM x86 has quite a few contributors that
usually review each other's patches, which is really helpful to me.
Formalize this by listing them as reviewers. I am including people
with various expertise:
- Joerg for SVM (with designated reviewers, it makes more sense to have
him in the main KVM/x86 stanza)
- Sean for MMU and VMX
- Jim for VMX
- Vitaly for Hyper-V and possibly SVM
- Wanpeng for LAPIC and paravirtualization.
Please ack if you are okay with this arrangement, otherwise speak up.
In other news, Radim is going to leave Red Hat soon. However, he has
not been very much involved in upstream KVM development for some time,
and in the immediate future he is still going to help maintain kvm/queue
while I am on vacation. Since not much is going to change, I will let
him decide whether he wants to keep the maintainer role after he leaves.
Acked-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Acked-by: Wanpeng Li <wanpengli@tencent.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
KVM/s390 does not have a list of its own, and linux-s390 is in the
loop anyway thanks to the generic arch/s390 match. So use the generic
KVM list for s390 patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is a slew of Ux500 updates for the v5.4 kernel cycle:
- Stop populating the PRCMU devices from the core CPU
file, it works just fine at device_initcall() level.
- Add a missing of_node_put() in the core file.
- Simplify the debug UART code.
- Add myself to MAINTAINERS
* tag 'ux500-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
MAINTAINERS: add soc/ux500
ARM: ux500: simplify and move debug UART
ARM: ux500: add missing of_node_put()
ARM: ux500: Stop populating the PRCMU devices early
Link: https://lore.kernel.org/r/CACRpkdbH-h5fRwuidcpeOp8mtRoKUW65SAk8a4A==BCDzn3QMA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There are three families of IOP machines we support in Linux: iop32x
(which includes EP80219), iop33x and iop13xx (aka IOP34x aka WP8134x).
All products we support in the kernel are based on the first of these,
iop32x, the other families only ever supported the Intel reference
boards but no actual machine anyone could ever buy.
While one could clearly make them all three work in a single kernel
with some work, this takes the easy way out, removing the later two
platforms entirely, under the assumption that there are no remaining
users.
Earlier versions of OpenWRT and Debian both had support for iop32x
but not the others, and they both dropped iop32x as well in their 2015
releases.
Link: https://lore.kernel.org/r/20190809163334.489360-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de> # for I2C parts
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch adds documentation of the device tree bindings for GPIOs
on the devices connected via Moxtet bus.
Link: https://lore.kernel.org/r/20190812161118.21476-6-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds support for interpreting the input and output bits of one
device on Moxtet bus as GPIOs.
This is needed for example by the SFP cage module of Turris Mox.
Link: https://lore.kernel.org/r/20190812161118.21476-5-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add sysfs ABI documentation for the attribute files module_id and
module_name
Add debugfs ABI documentation for reading input from the shift registers
and reading last written output or write output to the shift registers.
Link: https://lore.kernel.org/r/20190812161118.21476-4-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds device tree binding documentation for the Moxtet bus, a bus
via which the different modules connected to the Turris Mox router can
be configured.
Link: https://lore.kernel.org/r/20190812161118.21476-3-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
On the Turris Mox router different modules can be connected to the main
CPU board: currently a module with a SFP cage, a module with MiniPCIe
connector, a PCIe pass-through MiniPCIe connector module, a 4-port
switch module, an 8-port switch module, and a 4-port USB3 module.
For example:
[CPU]-[PCIe-pass-through]-[PCIe]-[8-port switch]-[8-port switch]-[SFP]
Each of this modules has an input and output shift register, and these
are connected via SPI to the CPU board.
Via SPI we are able to discover which modules are connected, in which
order, and we can also read some information about the modules (eg.
their interrupt status), and configure them.
From each module 8 bits can be read (of which low 4 bits identify the
module) and 8 bits can be written.
For example from the module with a SFP cage we can read the LOS,
TX-FAULT and MOD-DEF0 signals, while we can write TX-DISABLE and
RATE-SELECT signals.
This driver creates a new bus type, called "moxtet". For each Mox module
it finds via SPI, it creates a new device on the moxtet bus so that
drivers can be written for them.
It also implements a virtual interrupt controller for the modules which
send their interrupt status over the SPI shift register. These modules
do this in addition to sending their interrupt status via the shared
interrupt line. When the shared interrupt is triggered, we read from the
shift register and handle IRQs for all devices which are in interrupt.
The topology of how Mox modules are connected can then be read by
listing /sys/bus/moxtet/devices.
Link: https://lore.kernel.org/r/20190812161118.21476-2-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This removes the old Winbond w90x900 platform, also known
as Nuvoton NUC900. Wan Zongshun originally contributed
the port and maintained it since then.
From all I can tell, this platform is no longer being used
with modern kernels, based on various indications:
- The supported chips (nuc910/950/960) are no longer marketed
by the manufacturer
- Newer chips from the same family (nuc97x, nuc980, n329x)
that are still marketed have Linux BSPs but those were never
submitted for upstream inclusion.
- The last patch from the platform maintainer was in 2011.
- All patches to w90x900 platform specific files afterwards
are cleanups that were apparently done without access to
test hardware.
- Both the website and the email address listed in the
MAINTAINERS have become unreachable.
Link: https://lore.kernel.org/r/20190809202749.742267-17-arnd@arndb.de
Cc: "Wanzongshun (Vincent)" <wanzongshun@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ks8695 is an older SoC originally made by Kendin, which was later acquired
by Micrel, and subsequently by Microchip.
The platform port was originally contributed by Andrew Victor and Ben
Dooks, and later maintained by Greg Ungerer.
When I recently submitted cleanups, but Greg noted that the platform no
longer boots and nobody is using it any more, we decided to remove it.
Link: https://lore.kernel.org/r/20190809202749.742267-2-arnd@arndb.de
Cc: Andrew Victor <linux@maxim.org.za>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Link: https://wikidevi.com/wiki/Micrel
Link: https://lore.kernel.org/linux-arm-kernel/2bc41895-d4f9-896c-0726-0b2862fcbf25@kernel.org/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Greg Ungerer <gerg@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rename the bindings documentation file for Renesas EMEV2 IIC controller
from i2c-emev2.txt to renesas,iic-emev2.txt.
This is part of an ongoing effort to name bindings documentation files for
Renesas IP blocks consistently, in line with the compat strings they
document.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Rename the bindings documentation file for R-Car I2C controller
from i2c-rcar.txt to renesas,i2c.txt.
This is part of an ongoing effort to name bindings documentation files for
Renesas IP blocks consistently, in line with the compat strings they
document.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
I would like to maintain the i2c-imx driver. Since I work with
different i.MX variants and have access to the hardware, I can spend
some time on the reviewing of this driver.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Pull in generic CPU topology changes from Paul Walmsley (RISC-V).
* tag 'common/for-v5.4-rc1/cpu-topology' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
MAINTAINERS: Add an entry for generic architecture topology
base: arch_topology: update Kconfig help description
RISC-V: Parse cpu topology during boot.
arm: Use common cpu_topology structure and functions.
cpu-topology: Move cpu topology code to common code.
dt-binding: cpu-topology: Move cpu-map to a common binding.
Documentation: DT: arm: add support for sockets defining package boundaries
