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The refcount check for dedicated workqueue (dwq) is off by one and allows
more than 1 user to open the char device. Fix check so only a single user
can open the device.
Fixes: 42d279f9137a ("dmaengine: idxd: add char driver to expose submission portal to userland")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158403020187.10208.14117394394540710774.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Dmaengine core warns the drivers registering for missing .device_release
implementation. The warning is accurate for dmaengine controllers which
hotplug but not for rest.
So reduce this to a debug log.
Link: https://lore.kernel.org/r/20200306135018.2286959-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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On i.MX6UL/ULL and i.MX6SX the DMA event id for the RX channel of
UART6 is '0'. To fix the broken DMA support for UART6, we change
the check for event_id0 to include '0' as a valid id.
Fixes: 1ec1e82f2510 ("dmaengine: Add Freescale i.MX SDMA support")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200225082139.7646-1-frieder.schrempf@kontron.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The interrupt handler puts a half-completed DMA descriptor on a free list
and then schedules tasklet to process bottom half of the descriptor that
executes client's callback, this creates possibility to pick up the busy
descriptor from the free list. Thus, let's disallow descriptor's re-use
until it is fully processed.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200209163356.6439-3-digetx@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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I was doing some experiments with I2C and noticed that Tegra APB DMA
driver crashes sometime after I2C DMA transfer termination. The crash
happens because tegra_dma_terminate_all() bails out immediately if pending
list is empty, and thus, it doesn't release the half-completed descriptors
which are getting re-used before ISR tasklet kicks-in.
tegra-i2c 7000c400.i2c: DMA transfer timeout
elants_i2c 0-0010: elants_i2c_irq: failed to read data: -110
------------[ cut here ]------------
WARNING: CPU: 0 PID: 142 at lib/list_debug.c:45 __list_del_entry_valid+0x45/0xac
list_del corruption, ddbaac44->next is LIST_POISON1 (00000100)
Modules linked in:
CPU: 0 PID: 142 Comm: kworker/0:2 Not tainted 5.5.0-rc2-next-20191220-00175-gc3605715758d-dirty #538
Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
Workqueue: events_freezable_power_ thermal_zone_device_check
[<c010e5c5>] (unwind_backtrace) from [<c010a1c5>] (show_stack+0x11/0x14)
[<c010a1c5>] (show_stack) from [<c0973925>] (dump_stack+0x85/0x94)
[<c0973925>] (dump_stack) from [<c011f529>] (__warn+0xc1/0xc4)
[<c011f529>] (__warn) from [<c011f7e9>] (warn_slowpath_fmt+0x61/0x78)
[<c011f7e9>] (warn_slowpath_fmt) from [<c042497d>] (__list_del_entry_valid+0x45/0xac)
[<c042497d>] (__list_del_entry_valid) from [<c047a87f>] (tegra_dma_tasklet+0x5b/0x154)
[<c047a87f>] (tegra_dma_tasklet) from [<c0124799>] (tasklet_action_common.constprop.0+0x41/0x7c)
[<c0124799>] (tasklet_action_common.constprop.0) from [<c01022ab>] (__do_softirq+0xd3/0x2a8)
[<c01022ab>] (__do_softirq) from [<c0124683>] (irq_exit+0x7b/0x98)
[<c0124683>] (irq_exit) from [<c0168c19>] (__handle_domain_irq+0x45/0x80)
[<c0168c19>] (__handle_domain_irq) from [<c043e429>] (gic_handle_irq+0x45/0x7c)
[<c043e429>] (gic_handle_irq) from [<c0101aa5>] (__irq_svc+0x65/0x94)
Exception stack(0xde2ebb90 to 0xde2ebbd8)
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200209163356.6439-2-digetx@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There is a DMA problem with the serial ports on i.MX6.
When the following sequence is performed:
1) Open a port
2) Write some data
3) Close the port
4) Open a *different* port
5) Write some data
6) Close the port
The second write sends nothing and the second close hangs.
If the first close() is omitted it works.
Adding logs to the the UART driver shows that the DMA is being setup but
the callback is never invoked for the second write.
This used to work in 4.19.
Git bisect leads to:
ad0d92d: "dmaengine: imx-sdma: refine to load context only once"
This commit adds a "context_loaded" flag used to avoid unnecessary context
setups.
However the flag is only reset in sdma_channel_terminate_work(),
which is only invoked in a worker triggered by sdma_terminate_all() IF
there is an active descriptor.
So, if no active descriptor remains when the channel is terminated, the
flag is not reset and, when the channel is later reused the old context
is used.
Fix the problem by always resetting the flag in sdma_free_chan_resources().
Cc: stable@vger.kernel.org
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Fixes: ad0d92d7ba6a ("dmaengine: imx-sdma: refine to load context only once")
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/1580305274-27274-1-git-send-email-martin.fuzzey@flowbird.group
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The current size_store() function for idxd sysfs does not check the total
wq size. This allows configuration of all wqs with total wq size. Add check
to make sure the wq sysfs attribute rejects storing of size over the total
wq size.
Fixes: c52ca478233c ("dmaengine: idxd: add configuration component of driver")
Reported-by: Jerry Chen <jerry.t.chen@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158213309629.2509.3583411832507185041.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Currently when inputing an unrecognized wq type, we set the wq type to
"none". It really should return error and not change the existing wq type
that's in the kernel.
Fixes: c52ca478233c ("dmaengine: idxd: add configuration component of driver")
Reported-by: Yixin Zhang <yixin.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158213304803.2290.13336343633425868211.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The caller is already holding the lock so this will deadlock.
Fixes: 0b58828c923e ("DMAENGINE: COH 901 318 remove irq counting")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200217144050.3i4ymbytogod4ijn@kili.mountain
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The calcuation for limit of reserved token did not take into account the
change the user wanted vs the current group reserved token. This causes
changing of the reserved token to be possible only after we set the value
of the reserved token back to 0. Fix calculation so we can set a value that
is non zero for reserved token.
Fixes: c52ca478233c ("dmaengine: idxd: add configuration component of driver")
Reported-by: Jerry Chen <jerry.t.chen@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158204471889.37789.7749177228265869168.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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When we receive back the descriptor of the terminated transfer the cookie
must be marked as completed to make sure that the accounting is correct.
In udma_tx_status() the status should be marked as completed if the channel
is no longer running (it can only happen if the channel is not yet started
for the first time, or after a channel termination).
Fixes: 25dcb5dd7b7ce ("dmaengine: ti: New driver for K3 UDMA")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-7-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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It should be possible to pause, resume and check the pause state of a
channel even if we do not have active transfer.
udma_is_chan_paused() can trigger NULL pointer reference in it's current
form when the status is checked while uc->desc is NULL.
Fixes: 25dcb5dd7b7ce ("dmaengine: ti: New driver for K3 UDMA")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-6-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Use the generic TR setup function to get the TR counters for both cyclic
and slave_sg transfers.
This way the period_size for cyclic and sg_dma_len() for slave_sg can be
as large as (SZ_64K - 1) * (SZ_64K - 1) and we can handle cases when the
length is >SZ_64K and a prime number.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-5-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Move the TR counter parameter configuration code out from the prep_memcpy
callback to a helper function to allow a generic re-usable code for other
TR based transfers.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-4-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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When a channel is asked to be stopped (teardown) and we do not have active
descriptor to receive stale data buffered on the remote side then the
teardown will not complete as UDMA needs a descriptor to be able to flush
out the DMA pipe.
The peer is trying to push the data to UDMA in teardown, but UDMA is
pushing back because it has no descriptor which would allow it to drain the
data.
The workaround is to create 1K 'trashcan' to receive the discarded data and
set up descriptors for packet and TR mode channels.
When a channel is stopped and there is no active descriptor then a
descriptor is pushed to the ring for UDMA before the teardown is initiated.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-3-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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In some cases (McSPI for example) the jiffie and delayed_work based
workaround can cause big throughput drop.
Switch to use ktime/usleep_range based implementation to be able
to sustain speed for PDMA based peripherals.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200214091441.27535-2-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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We can't call kfree(dev) after calling device_register(dev). The "dev"
pointer has to be freed using put_device().
Fixes: 42d279f9137a ("dmaengine: idxd: add char driver to expose submission portal to userland")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20200205123248.hmtog7qa2eiqaagh@kili.mountain
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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idxd_config_bus_probe() calls try_module_get() but never calls module_put()
when it fails. Thus with every failed attempt, the ref count goes up. Add
module_put() in failure paths.
Fixes: c52ca478233c ("dmaengine: idxd: add configuration component of driver")
Reported-by: Jerry Chen <jerry.t.chen@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158144296730.41381.12134210685456322434.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix randconfig to generate a sane .config
- rename hostprogs-y / always to hostprogs / always-y, which are more
natual syntax.
- optimize scripts/kallsyms
- fix yes2modconfig and mod2yesconfig
- make multiple directory targets ('make foo/ bar/') work
* tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: make multiple directory targets work
kconfig: Invalidate all symbols after changing to y or m.
kallsyms: fix type of kallsyms_token_table[]
scripts/kallsyms: change table to store (strcut sym_entry *)
scripts/kallsyms: rename local variables in read_symbol()
kbuild: rename hostprogs-y/always to hostprogs/always-y
kbuild: fix the document to use extra-y for vmlinux.lds
kconfig: fix broken dependency in randconfig-generated .config
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In order to allow the GICv4 code to link properly on 32bit ARM,
make sure we don't use 64bit divisions when it isn't strictly
necessary.
Fixes: 4e6437f12d6e ("irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt fixes from Thomas Gleixner:
"A set of fixes for the interrupt subsystem:
- Provision only ACPI enabled redistributors on GICv3
- Use the proper command colums when building the INVALL command for
the GICv3-ITS
- Ensure the allocation of the L2 vPE table for GICv4.1
- Correct the GICv4.1 VPROBASER programming so it uses the proper
size
- A set of small GICv4.1 tidy up patches
- Configuration cleanup for C-SKY interrupt chip
- Clarify the function documentation for irq_set_wake() to document
that the wakeup functionality is orthogonal to the irq
disable/enable mechanism"
* tag 'irq-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Rename VPENDBASER/VPROPBASER accessors
irqchip/gic-v3-its: Remove superfluous WARN_ON
irqchip/gic-v4.1: Drop 'tmp' in inherit_vpe_l1_table_from_rd()
irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level
irqchip/gic-v4.1: Set vpe_l1_base for all redistributors
irqchip/gic-v4.1: Fix programming of GICR_VPROPBASER_4_1_SIZE
genirq: Clarify that irq wake state is orthogonal to enable/disable
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
irqchip: Some Kconfig cleanup for C-SKY
irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
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Pull misc SCSI fixes from James Bottomley:
"Five small patches, all in drivers or doc, which missed the initial
pull request.
The qla2xxx and megaraid_sas are actual fixes and the rest are
spelling and doc changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: fix spelling mistake "initilized" -> "initialized"
scsi: pm80xx: fix spelling mistake "to" -> "too"
scsi: MAINTAINERS: ufs: remove pedrom.sousa@synopsys.com
scsi: megaraid_sas: fixup MSIx interrupt setup during resume
scsi: qla2xxx: Fix unbound NVME response length
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Pull networking fixes from David Miller:
1) Unbalanced locking in mwifiex_process_country_ie, from Brian Norris.
2) Fix thermal zone registration in iwlwifi, from Andrei
Otcheretianski.
3) Fix double free_irq in sgi ioc3 eth, from Thomas Bogendoerfer.
4) Use after free in mptcp, from Florian Westphal.
5) Use after free in wireguard's root_remove_peer_lists, from Eric
Dumazet.
6) Properly access packets heads in bonding alb code, from Eric
Dumazet.
7) Fix data race in skb_queue_len(), from Qian Cai.
8) Fix regression in r8169 on some chips, from Heiner Kallweit.
9) Fix XDP program ref counting in hv_netvsc, from Haiyang Zhang.
10) Certain kinds of set link netlink operations can cause a NULL deref
in the ipv6 addrconf code. Fix from Eric Dumazet.
11) Don't cancel uninitialized work queue in drop monitor, from Ido
Schimmel.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
net: thunderx: use proper interface type for RGMII
mt76: mt7615: fix max_nss in mt7615_eeprom_parse_hw_cap
bpf: Improve bucket_log calculation logic
selftests/bpf: Test freeing sockmap/sockhash with a socket in it
bpf, sockhash: Synchronize_rcu before free'ing map
bpf, sockmap: Don't sleep while holding RCU lock on tear-down
bpftool: Don't crash on missing xlated program instructions
bpf, sockmap: Check update requirements after locking
drop_monitor: Do not cancel uninitialized work item
mlxsw: spectrum_dpipe: Add missing error path
mlxsw: core: Add validation of hardware device types for MGPIR register
mlxsw: spectrum_router: Clear offload indication from IPv6 nexthops on abort
selftests: mlxsw: Add test cases for local table route replacement
mlxsw: spectrum_router: Prevent incorrect replacement of local table routes
net: dsa: microchip: enable module autoprobe
ipv6/addrconf: fix potential NULL deref in inet6_set_link_af()
dpaa_eth: support all modes with rate adapting PHYs
net: stmmac: update pci platform data to use phy_interface
net: stmmac: xgmac: fix missing IFF_MULTICAST checki in dwxgmac2_set_filter
net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter
...
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This is a merge error on my part - the driver was merged into mainline
by commit c5951e7c8ee5 ("Merge tag 'mips_5.6' of git://../mips/linux")
over a week ago, but nobody apparently noticed that it didn't actually
build due to still having a reference to the devm_ioremap_nocache()
function, removed a few days earlier through commit 6a1000bd2703 ("Merge
tag 'ioremap-5.6' of git://../ioremap").
Apparently this didn't get any build testing anywhere. Not perhaps all
that surprising: it's restricted to 64-bit MIPS only, and only with the
new SGI_MFD_IOC3 support enabled.
I only noticed because the ioremap conflicts in the ARM SoC driver
update made me check there weren't any others hiding, and I found this
one.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull ARM SoC late updates from Olof Johansson:
"This is some material that we picked up into our tree late, or that
had more complex dependencies on more than one topic branch that makes
sense to keep separately.
- TI support for secure accelerators and hwrng on OMAP4/5
- TI camera changes for dra7 and am437x and SGX improvement due to
better reset control support on am335x, am437x and dra7
- Davinci moves to proper clocksource on DM365, and regulator/audio
improvements for DM365 and DM644x eval boards"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: dts: omap4-droid4: Enable hdq for droid4 ds250x 1-wire battery nvmem
ARM: dts: motorola-cpcap-mapphone: Configure calibration interrupt
ARM: dts: Configure interconnect target module for am437x sgx
ARM: dts: Configure sgx for dra7
ARM: dts: Configure rstctrl reset for am335x SGX
ARM: dts: dra7: Add ti-sysc node for VPE
ARM: dts: dra7: add vpe clkctrl node
ARM: dts: am43x-epos-evm: Add VPFE and OV2659 entries
ARM: dts: am437x-sk-evm: Add VPFE and OV2659 entries
ARM: dts: am43xx: add support for clkout1 clock
arm: dts: dra76-evm: Add CAL and OV5640 nodes
arm: dtsi: dra76x: Add CAL dtsi node
arm: dts: dra72-evm-common: Add entries for the CSI2 cameras
ARM: dts: DRA72: Add CAL dtsi node
ARM: dts: dra7-l4: Add ti-sysc node for CAM
ARM: OMAP: DRA7xx: Make CAM clock domain SWSUP only
ARM: dts: dra7: add cam clkctrl node
ARM: OMAP2+: Drop legacy platform data for omap4 des
ARM: OMAP2+: Drop legacy platform data for omap4 sham
ARM: OMAP2+: Drop legacy platform data for omap4 aes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms:
- Nvidia: Fuse support for Tegra194, continued memory controller
pieces for Tegra30
- NXP/FSL: Refactorings of QuickEngine drivers to support
ARM/ARM64/PPC
- NXP/FSL: i.MX8MP SoC driver pieces
- TI Keystone: ring accelerator driver
- Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
- Xilinx ZynqMP: feature checking interface for firmware. Mailbox
communication for power management
- Overall support patch set for cpuidle on more complex hierarchies
(PSCI-based)
and misc cleanups, refactorings of Marvell, TI, other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits)
drivers: soc: xilinx: Use mailbox IPI callback
dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists
MAINTAINERS: Add brcmstb PCIe controller entry
soc/tegra: fuse: Unmap registers once they are not needed anymore
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
soc/tegra: fuse: Warn if straps are not ready
soc/tegra: fuse: Cache values of straps and Chip ID registers
memory: tegra30-emc: Correct error message for timed out auto calibration
memory: tegra30-emc: Firm up hardware programming sequence
memory: tegra30-emc: Firm up suspend/resume sequence
soc/tegra: regulators: Do nothing if voltage is unchanged
memory: tegra: Correct reset value of xusb_hostr
soc/tegra: fuse: Add APB DMA dependency for Tegra20
bus: tegra-aconnect: Remove PM_CLK dependency
dt-bindings: mediatek: add MT6765 power dt-bindings
soc: mediatek: cmdq: delete not used define
memory: tegra: Add support for the Tegra194 memory controller
memory: tegra: Only include support for enabled SoCs
memory: tegra: Support DVFS on Tegra186 and later
...
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Pull ARM Device-tree updates from Olof Johansson:
"New SoCs:
- Atmel/Microchip SAM9X60 (ARM926 SoC)
- OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all
variants of it with different GPU/media IP configurations.
- ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)
- ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of
db8500)
- Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)
- Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)
New boards:
- Allwinner:
+ Emlid Neutis SoM (H3 variant)
+ Libre Computer ALL-H3-IT
+ PineH64 Model B
- Amlogic:
+ Libretech Amlogic GX PC (s905d and s912-based variants)
- Atmel/Microchip:
+ Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)
- Marvell:
+ Armada 385-based SolidRun Clearfog GTR
- NXP:
+ Gateworks GW59xx boards based on i.MX6/6Q/6QDL
+ Tolino Shine 3 eBook reader (i.MX6sl)
+ Embedded Artists COM (i.MX7ULP)
+ SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
+ Google Coral Edge TPU (i.MX8MQ)
- Rockchip:
+ Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
+ Radxa Rock Pi N10 (RK3399Pro-based)
+ VMARC RK3399Pro SOM
- ST:
+ Reference boards for stm32mp15
- ST Ericsson:
+ Samsung Galaxy S III mini (GT-I8190)
+ HREF520 reference board for DB8520
- TI OMAP:
+ Gen1 Amazon Echo (OMAP3630-based)
- Qualcomm:
+ Inforce 6640 Single Board Computer (msm8996-based)
+ SC7180 IDP (SC7180-based)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (623 commits)
dt-bindings: fix compilation error of the example in marvell,mmp3-hsic-phy.yaml
arm64: dts: ti: k3-am654-base-board: Add CSI2 OV5640 camera
arm64: dts: ti: k3-am65-main Add CAL node
arm64: dts: ti: k3-j721e-main: Add McASP nodes
arm64: dts: ti: k3-am654-main: Add McASP nodes
arm64: dts: ti: k3-j721e: DMA support
arm64: dts: ti: k3-j721e-main: Move secure proxy and smmu under main_navss
arm64: dts: ti: k3-j721e-main: Correct main NAVSS representation
arm64: dts: ti: k3-j721e: Correct the address for MAIN NAVSS
arm64: dts: ti: k3-am65: DMA support
arm64: dts: ti: k3-am65-main: Move secure proxy under cbass_main_navss
arm64: dts: ti: k3-am65-main: Correct main NAVSS representation
ARM: dts: aspeed: rainier: Add UCD90320 power sequencer
ARM: dts: aspeed: rainier: Switch PSUs to unknown version
arm64: dts: rockchip: Kill off "simple-panel" compatibles
ARM: dts: rockchip: Kill off "simple-panel" compatibles
arm64: dts: rockchip: rename dwmmc node names to mmc
ARM: dts: rockchip: rename dwmmc node names to mmc
arm64: dts: exynos: Rename Samsung and Exynos to lowercase
arm64: dts: uniphier: add reset-names to NAND controller node
...
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Pull ARM SoC platform updates from Olof Johansson:
"Most of these are smaller fixes that have accrued, and some continued
cleanup of OMAP platforms towards shared frameworks.
One new SoC from Atmel/Microchip: sam9x60"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
ARM: OMAP2+: Fix undefined reference to omap_secure_init
ARM: s3c64xx: Drop unneeded select of TIMER_OF
ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0
ARM: s3c24xx: Switch to atomic pwm API in rx1950
ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers
ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available
ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init()
ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization
ARM: at91: Documentation: add sam9x60 product and datasheet
ARM: at91: pm: use of_device_id array to find the proper shdwc node
ARM: at91: pm: use SAM9X60 PMC's compatible
ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A
ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start
ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume
ARM: tegra: Modify reshift divider during LP1
ARM: tegra: Enable PLLP bypass during Tegra124 LP1
ARM: samsung: Rename Samsung and Exynos to lowercase
ARM: exynos: Correct the help text for platform Kconfig option
ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB
ARM: brcmstb: Add debug UART entry for 7216
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs file system parameter updates from Al Viro:
"Saner fs_parser.c guts and data structures. The system-wide registry
of syntax types (string/enum/int32/oct32/.../etc.) is gone and so is
the horror switch() in fs_parse() that would have to grow another case
every time something got added to that system-wide registry.
New syntax types can be added by filesystems easily now, and their
namespace is that of functions - not of system-wide enum members. IOW,
they can be shared or kept private and if some turn out to be widely
useful, we can make them common library helpers, etc., without having
to do anything whatsoever to fs_parse() itself.
And we already get that kind of requests - the thing that finally
pushed me into doing that was "oh, and let's add one for timeouts -
things like 15s or 2h". If some filesystem really wants that, let them
do it. Without somebody having to play gatekeeper for the variants
blessed by direct support in fs_parse(), TYVM.
Quite a bit of boilerplate is gone. And IMO the data structures make a
lot more sense now. -200LoC, while we are at it"
* 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (25 commits)
tmpfs: switch to use of invalfc()
cgroup1: switch to use of errorfc() et.al.
procfs: switch to use of invalfc()
hugetlbfs: switch to use of invalfc()
cramfs: switch to use of errofc() et.al.
gfs2: switch to use of errorfc() et.al.
fuse: switch to use errorfc() et.al.
ceph: use errorfc() and friends instead of spelling the prefix out
prefix-handling analogues of errorf() and friends
turn fs_param_is_... into functions
fs_parse: handle optional arguments sanely
fs_parse: fold fs_parameter_desc/fs_parameter_spec
fs_parser: remove fs_parameter_description name field
add prefix to fs_context->log
ceph_parse_param(), ceph_parse_mon_ips(): switch to passing fc_log
new primitive: __fs_parse()
switch rbd and libceph to p_log-based primitives
struct p_log, variants of warnf() et.al. taking that one instead
teach logfc() to handle prefices, give it saner calling conventions
get rid of cg_invalf()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
- bmap series from cmaiolino
- getting rid of convolutions in copy_mount_options() (use a couple of
copy_from_user() instead of the __get_user() crap)
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
saner copy_mount_options()
fibmap: Reject negative block numbers
fibmap: Use bmap instead of ->bmap method in ioctl_fibmap
ecryptfs: drop direct calls to ->bmap
cachefiles: drop direct usage of ->bmap method.
fs: Enable bmap() function to properly return errors
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip fixes for 5.6, take #1 from Marc Zyngier:
- Guarantee allocation of L2 vPE table for GICv4.1
- Fix GICv4.1 VPROPBASER programming
- Numerous GICv4.1 tidy ups
- Fix disabled GICv3 redistributor provisioning with ACPI
- KConfig cleanup for C-SKY
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The configuration of the OCTEONTX XCV_DLL_CTL register via
xcv_init_hw() is such that the RGMII RX delay is bypassed
leaving the RGMII TX delay enabled in the MAC:
/* Configure DLL - enable or bypass
* TX no bypass, RX bypass
*/
cfg = readq_relaxed(xcv->reg_base + XCV_DLL_CTL);
cfg &= ~0xFF03;
cfg |= CLKRX_BYP;
writeq_relaxed(cfg, xcv->reg_base + XCV_DLL_CTL);
This would coorespond to a interface type of PHY_INTERFACE_MODE_RGMII_RXID
and not PHY_INTERFACE_MODE_RGMII.
Fixing this allows RGMII PHY drivers to do the right thing (enable
RX delay in the PHY) instead of erroneously enabling both delays in the
PHY.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.6
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.
mwifiex
* fix an unlock from a previous security fix
* fix two buffer overflows
libertas
* fix two bugs from previous security fixes
iwlwifi
* fix module removal with multiple NICs
* don't treat IGTK removal failure as an error
* avoid FW crashes due to DTS measurement races
* fix a potential use after free in FTM code
* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
* fix TDLS discovery
* check all CPUs when trying to detect an error during resume
rtw88
* fix clang warning
mt76
* fix reading of max_nss value from a register
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2020-02-07
The following pull-request contains BPF updates for your *net* tree.
We've added 15 non-merge commits during the last 10 day(s) which contain
a total of 12 files changed, 114 insertions(+), 31 deletions(-).
The main changes are:
1) Various BPF sockmap fixes related to RCU handling in the map's tear-
down code, from Jakub Sitnicki.
2) Fix macro state explosion in BPF sk_storage map when calculating its
bucket_log on allocation, from Martin KaFai Lau.
3) Fix potential BPF sockmap update race by rechecking socket's established
state under lock, from Lorenz Bauer.
4) Fix crash in bpftool on missing xlated instructions when kptr_restrict
sysctl is set, from Toke Høiland-Jørgensen.
5) Fix i40e's XSK wakeup code to return proper error in busy state and
various misc fixes in xdpsock BPF sample code, from Maciej Fijalkowski.
6) Fix the way modifiers are skipped in BTF in the verifier while walking
pointers to avoid program rejection, from Alexei Starovoitov.
7) Fix Makefile for runqslower BPF tool to i) rebuild on libbpf changes and
ii) to fix undefined reference linker errors for older gcc version due to
order of passed gcc parameters, from Yulia Kartseva and Song Liu.
8) Fix a trampoline_count BPF kselftest warning about missing braces around
initializer, from Andrii Nakryiko.
9) Fix up redundant "HAVE" prefix from large INSN limit kernel probe in
bpftool, from Michal Rostecki.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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V{PEND,PROP}BASER registers are actually located in VLPI_base frame
of the *redistributor*. Rename their accessors to reflect this fact.
No functional changes.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-7-yuzenghui@huawei.com
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"ITS virtual pending table not cleaning" is already complained inside
its_clear_vpend_valid(), there's no need to trigger a WARN_ON again.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-6-yuzenghui@huawei.com
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The variable 'tmp' in inherit_vpe_l1_table_from_rd() is actually
not needed, drop it.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-5-yuzenghui@huawei.com
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In GICv4, we will ensure that level2 vPE table memory is allocated
for the specified vpe_id on all v4 ITS, in its_alloc_vpe_table().
This still works well for the typical GICv4.1 implementation, where
the new vPE table is shared between the ITSs and the RDs.
To make it explicit, let us introduce allocate_vpe_l2_table() to
make sure that the L2 tables are allocated on all v4.1 RDs. We're
likely not need to allocate memory in it because the vPE table is
shared and (L2 table is) already allocated at ITS level, except
for the case where the ITS doesn't share anything (say SVPET == 0,
practically unlikely but architecturally allowed).
The implementation of allocate_vpe_l2_table() is mostly copied from
its_alloc_table_entry().
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-4-yuzenghui@huawei.com
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Currently, we will not set vpe_l1_page for the current RD if we can
inherit the vPE configuration table from another RD (or ITS), which
results in an inconsistency between RDs within the same CommonLPIAff
group.
Let's rename it to vpe_l1_base to indicate the base address of the
vPE configuration table of this RD, and set it properly for *all*
v4.1 redistributors.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-3-yuzenghui@huawei.com
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The Size field of GICv4.1 VPROPBASER register indicates number of
pages minus one and together Page_Size and Size control the vPEID
width. Let's respect this requirement of the architecture.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-2-yuzenghui@huawei.com
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Fix u8 cast reading max_nss from MT_TOP_STRAP_STA register in
mt7615_eeprom_parse_hw_cap routine
Fixes: acf5457fd99db ("mt76: mt7615: read {tx,rx} mask from eeprom")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"i2c core:
- huge improvements and refactorizations of the Linux I2C
documentation (lots of thanks to Luca for doing it and Jean for the
careful review)
- subsystem wide API conversion to i2c_new_client_device()
- remove obsolete parport-light driver
- smaller core updates (removal of 'extern', enabling more compile
testing, use more helper macros)
- and quite a bunch of driver updates (new IDs, simplifications,
better PM, support of atomic transfers and other improvements)
i2c-mux:
- The main feature is the idle-state rework of the pca954x driver
from Biwen Li
at24 driver:
- minor maintenance: update the license tag, sort headers
- move support for the write-protect pin into nvmem core
- add a reference to the new wp-gpios property in nvmem to at25
bindings
- add support for regulator and pm_runtime control"
* 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (91 commits)
i2c: cros-ec-tunnel: Fix ACPI identifier
i2c: cros-ec-tunnel: Fix slave device enumeration
i2c: stm32f7: add PM_SLEEP suspend/resume support
i2c: cadence: Fix wording in i2c-cadence driver
i2c: cadence: Fix power management order of operations
i2c: cadence: Fix error printing in case of defer
i2c: cadence: Handle transfer_size rollover
i2c: i801: Add support for Intel Comet Lake PCH-V
docs: i2c: writing-clients: properly name the stop condition
docs: i2c: i2c-protocol: use same wording as smbus-protocol
docs: i2c: rename sections so the overall picture is clearer
docs: i2c: old-module-parameters: use monospace instead of ""
docs: i2c: old-module-parameters: clarify this is for obsolete kernels
docs: i2c: old-module-parameters: fix internal hyperlink
docs: i2c: instantiating-devices: use monospace for sysfs attributes
docs: i2c: instantiating-devices: rearrange static instatiation
docs: i2c: instantiating-devices: fix internal hyperlink
docs: i2c: smbus-protocol: improve I2C Block transactions description
docs: i2c: smbus-protocol: fix punctuation
docs: i2c: smbus-protocol: fix typo
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"Add Hisilicon Hip08-Lite I2C controller clock frequency support to the
ACPI driver for AMD SoCs (APD) and to the Designware I2C driver
(Hanjun Guo)"
* tag 'acpi-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
i2c: designware: Add ACPI HID for Hisilicon Hip08-Lite I2C controller
ACPI / APD: Add clock frequency for Hisilicon Hip08-Lite I2C controller
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
- Update the recently merged CPR (Core Power Reduction) support in the
AVS (Adaptive Voltage Scaling) subsystem (Brendan Higgins, Nathan
Chancellor, Niklas Cassel)
- Update the rockchip-io AVS driver (Heiko Stuebner)
- Add two more module parameters to intel_idle on top of the recently
merged material (Rafael Wysocki)
- Clean up a piece of cpuidle documentation and consolidate system
sleep states documentation (Rafael Wysocki)
* tag 'pm-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Documentation: Clean up PM QoS description
Documentation: admin-guide: PM: Update sleep states documentation
intel_idle: Introduce 'states_off' module parameter
intel_idle: Introduce 'use_acpi' module parameter
power: avs: qcom-cpr: Avoid clang -Wsometimes-uninitialized in cpr_scale
power: avs: qcom-cpr: add unspecified HAS_IOMEM dependency
PM / AVS: rockchip-io: fix the supply naming for the emmc supply on px30
power: avs: qcom-cpr: add a printout after the driver has been initialized
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Pull drm fixes from Dave Airlie:
"Just some fixes for this merge window: the tegra changes fix some
regressions in the merge, nouveau has a few modesetting fixes.
The amdgpu fixes are bit bigger, but they contain a couple of weeks of
fixes, and don't seem to contain anything that isn't really a fix.
Summary:
tegra:
- merge window regression fixes
nouveau:
- couple of volta/turing modesetting fixes
amdgpu:
- EDC fixes for Arcturus
- GDDR6 memory training fixe
- Fix for reading gfx clockgating registers while in GFXOFF state
- i2c freq fixes
- Misc display fixes
- TLB invalidation fix when using semaphores
- VCN 2.5 instancing fixes
- Switch raven1 gfxoff to a blacklist
- Coreboot workaround for KV/KB
- Root cause dongle fixes for display and revert workaround
- Enable GPU reset for renoir and navi
- Navi overclocking fixes
- Fix up confusing warnings in display clock validation on raven
amdkfd:
- SDMA fix
radeon:
- Misc LUT fixes"
* tag 'drm-next-2020-02-07' of git://anongit.freedesktop.org/drm/drm: (90 commits)
gpu: host1x: Set DMA direction only for DMA-mapped buffer objects
drm/tegra: Reuse IOVA mapping where possible
drm/tegra: Relax IOMMU usage criteria on old Tegra
drm/amd/dm/mst: Ignore payload update failures
drm/amdgpu: update default voltage for boot od table for navi1x
drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage
drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_latency
drm/amdgpu/display: handle multiple numbers of fclks in dcn_calcs.c (v2)
drm/amdgpu: fetch default VDDC curve voltages (v2)
drm/amdgpu/smu_v11_0: Correct behavior of restoring default tables (v2)
drm/amdgpu/navi10: add OD_RANGE for navi overclocking
drm/amdgpu/navi: fix index for OD MCLK
drm/amd/display: Fix HW/SW state mismatch
drm/amd/display: Fix a typo when computing dsc configuration
drm/amd/powerplay: fix navi10 system intermittent reboot issue V2
drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode
drm/amd/display: Only enable cursor on pipes that need it
drm/nouveau/kms/gv100-: avoid sending a core update until the first modeset
drm/nouveau/kms/gv100-: move window ownership setup into modesetting path
drm/nouveau/disp/gv100-: halt NV_PDISP_FE_RM_INTR_STAT_CTRL_DISP_ERROR storms
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A collection of fixes:
- Make of_clk.h self contained
- Fix new qcom DT bindings that just merged to match the DTS files
- Fix qcom clk driver to properly detect DFS clk frequencies
- Fix the ls1028a driver to not deref a pointer before assigning it"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
of: clk: Make <linux/of_clk.h> self-contained
clk: qcom: Use ARRAY_SIZE in videocc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for videocc-sc7180
dt-bindings: clock: Cleanup qcom,videocc bindings for sdm845/sc7180
clk: qcom: Use ARRAY_SIZE in gpucc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for gpucc-sc7180
dt-bindings: clock: Fix qcom,gpucc bindings for sdm845/sc7180/msm8998
clk: qcom: Use ARRAY_SIZE in dispcc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for dispcc-sc7180
clk: qcom: Get rid of fallback global names for dispcc-sc7180
dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180
clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
clk: ls1028a: fix a dereference of pointer 'parent' before a null check
dt-bindings: clk: qcom: Fix self-validation, split, and clean cruft
clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq()
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add IT8786 chipset ID
- addition of sam9x60 compatible watchdog
- da9062 improvements
- fix UAF in reboot notifier handling in watchdog core code
- other fixes and small improvements
* tag 'linux-watchdog-5.6-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: da9062: make restart handler atomic safe
watchdog: mtk_wdt: mt2712: Add reset controller
watchdog: mtk_wdt: mt8183: Add reset controller
dt-bindings: mediatek: mt2712: Add #reset-cells
dt-bindings: mediatek: mt8183: Add #reset-cells
dt-bindings: watchdog: da9062: add suspend disable option
watchdog: it87_wdt: add IT8786 ID
watchdog: dw_wdt: ping watchdog to reset countdown before start
watchdog: fix UAF in reboot notifier handling in watchdog core code
watchdog: cadence: Skip printing pointer value
watchdog: qcom: Use platform_get_irq_optional() for bark irq
watchdog: da9062: add power management ops
watchdog: make DesignWare watchdog allow users to set bigger timeout value
drivers: watchdog: stm32_iwdg: set WDOG_HW_RUNNING at probe
watchdog: sama5d4_wdt: addition of sam9x60 compatible watchdog
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Pull virtio updates from Michael Tsirkin:
"Some bug fixes/cleanups.
The deprecated scsi passthrough for virtio_blk is removed"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_balloon: Fix memory leaks on errors in virtballoon_probe()
virtio-balloon: Fix memory leak when unloading while hinting is in progress
virtio_balloon: prevent pfn array overflow
virtio-blk: remove VIRTIO_BLK_F_SCSI support
virtio-pci: check name when counting MSI-X vectors
virtio-balloon: initialize all vq callbacks
virtio-mmio: convert to devm_platform_ioremap_resource
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The former contains nothing but a pointer to an array of the latter...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Unused now.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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