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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Battery/charger driver changes:
- convert charger-manager binding to YAML
- drop bd70528-charger driver
- drop pm2301-charger driver
- introduce rt5033-battery driver
- misc improvements and fixes"
* tag 'for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (42 commits)
power: supply: ab8500: Fix an old bug
power: supply: axp288_fuel_gauge: remove redundant continue statement
power: supply: axp288_fuel_gauge: Make "T3 MRD" no_battery_list DMI entry more generic
power: supply: axp288_fuel_gauge: Rename fuel_gauge_blacklist to no_battery_list
power: supply: bq24190_charger: drop of_match_ptr() from device ID table
drivers: power: add missing MODULE_DEVICE_TABLE in keystone-reset.c
power: supply: ab8500: add missing MODULE_DEVICE_TABLE
power: supply: charger-manager: add missing MODULE_DEVICE_TABLE
power: reset: regulator-poweroff: add missing MODULE_DEVICE_TABLE
power: supply: cpcap-charger: get the battery inserted infomation from cpcap-battery
power: supply: cpcap-battery: invalidate config when incompatible measurements are read
power: supply: axp20x_battery: allow disabling battery charging
power: supply: max17040: drop unused platform data support
power: supply: max17040: simplify POWER_SUPPLY_PROP_ONLINE
power: supply: max17040: remove non-working POWER_SUPPLY_PROP_STATUS
power: reset: at91-sama5d2_shdwc: Remove redundant error printing in at91_shdwc_probe()
power: reset: gpio-poweroff: add missing MODULE_DEVICE_TABLE
power: supply: rt5033_battery: Fix device tree enumeration
dt-bindings: power: supply: Add DT schema for richtek,rt5033-battery
power: supply: Drop BD70528 support
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There are no platforms using the driver with platform data (no board
files with the driver), so the dead code can be dropped.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The PM2301 was only used in tandem with AB9540, part of U9540,
a platform that was cancelled and never deployed in products.
Delete it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The ab8500.h header in linux/power is not referenced/included, so can be
safely removed.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- Add Mstar MSC313e WDT driver
- Add support for sama7g5-wdt
- Add compatible for SC7280 SoC
- Add compatible for Mediatek MT8195
- sbsa: Support architecture version 1
- Removal of the MV64x60 watchdog driver
- Extra PCI IDs for hpwdt
- Add hrtimer-based pretimeout feature
- Add {min,max}_timeout sysfs nodes
- keembay timeout and pre-timeout handling
- Several fixes, cleanups and improvements
* tag 'linux-watchdog-5.14-rc1' of git://www.linux-watchdog.org/linux-watchdog: (56 commits)
watchdog: iTCO_wdt: use dev_err() instead of pr_err()
watchdog: Add Mstar MSC313e WDT driver
dt-bindings: watchdog: Add Mstar MSC313e WDT devicetree bindings documentation
watchdog: iTCO_wdt: Account for rebooting on second timeout
dt-bindings: watchdog: Convert arm,sbsa-gwdt to DT schema
dt-bindings: watchdog: sama5d4-wdt: add compatible for sama7g5-wdt
watchdog: sama5d4_wdt: add support for sama7g5-wdt
dt-bindings: watchdog: sama5d4-wdt: convert to yaml
watchdog: ziirave_wdt: Remove VERSION_FMT defines and add sysfs newlines
dt-bindings: watchdog: Add compatible for Mediatek MT8195
dt-bindings: watchdog: dw-wdt: add description for rk3568
watchdog: imx_sc_wdt: fix pretimeout
watchdog: diag288_wdt: Remove redundant assignment
watchdog: Add hrtimer-based pretimeout feature
dt-bindings: watchdog: Add compatible for SC7280 SoC
watchdog: qcom: Move suspend/resume to suspend_late/resume_early
watchdog: Fix a typo in the file orion_wdt.c
watchdog: jz4740: Fix return value check in jz4740_wdt_probe()
watchdog: Remove MV64x60 watchdog driver
doc: mtk-wdt: support pre-timeout when the bark irq is available
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Commit 92c8c16f3457 ("powerpc/embedded6xx: Remove C2K board support")
removed the last selector of CONFIG_MV64X60.
Therefore CONFIG_MV64X60_WDT cannot be selected anymore and
can be removed.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/9c2952bcfaec3b1789909eaa36bbce2afbfab7ab.1616085654.git.christophe.leroy@csgroup.eu
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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Pull nfsd updates from Bruce Fields:
- add tracepoints for callbacks and for client creation and destruction
- cache the mounts used for server-to-server copies
- expose callback information in /proc/fs/nfsd/clients/*/info
- don't hold locks unnecessarily while waiting for commits
- update NLM to use xdr_stream, as we have for NFSv2/v3/v4
* tag 'nfsd-5.14' of git://linux-nfs.org/~bfields/linux: (69 commits)
nfsd: fix NULL dereference in nfs3svc_encode_getaclres
NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
nfsd: remove redundant assignment to pointer 'this'
nfsd: Reduce contention for the nfsd_file nf_rwsem
lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream
lockd: Update the NLMv4 nlm_res results encoder to use struct xdr_stream
lockd: Update the NLMv4 TEST results encoder to use struct xdr_stream
lockd: Update the NLMv4 void results encoder to use struct xdr_stream
lockd: Update the NLMv4 FREE_ALL arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 SHARE arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 SM_NOTIFY arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 nlm_res arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 UNLOCK arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 LOCK arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 TEST arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 void arguments decoder to use struct xdr_stream
lockd: Update the NLMv1 SHARE results encoder to use struct xdr_stream
lockd: Update the NLMv1 nlm_res results encoder to use struct xdr_stream
lockd: Update the NLMv1 TEST results encoder to use struct xdr_stream
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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Currently the source's export is mounted and unmounted on every
inter-server copy operation. This patch is an enhancement to delay
the unmount of the source export for a certain period of time to
eliminate the mount and unmount overhead on subsequent copy operations.
After a copy operation completes, a work entry is added to the
delayed unmount list with an expiration time. This list is serviced
by the laundromat thread to unmount the export of the expired entries.
Each time the export is being used again, its expiration time is
extended and the entry is re-inserted to the tail of the list.
The unmount task and the mount operation of the copy request are
synced to make sure the export is not unmounted while it's being
used.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Thomas Gleixner:
"Fixes and improvements for FPU handling on x86:
- Prevent sigaltstack out of bounds writes.
The kernel unconditionally writes the FPU state to the alternate
stack without checking whether the stack is large enough to
accomodate it.
Check the alternate stack size before doing so and in case it's too
small force a SIGSEGV instead of silently corrupting user space
data.
- MINSIGSTKZ and SIGSTKSZ are constants in signal.h and have never
been updated despite the fact that the FPU state which is stored on
the signal stack has grown over time which causes trouble in the
field when AVX512 is available on a CPU. The kernel does not expose
the minimum requirements for the alternate stack size depending on
the available and enabled CPU features.
ARM already added an aux vector AT_MINSIGSTKSZ for the same reason.
Add it to x86 as well.
- A major cleanup of the x86 FPU code. The recent discoveries of
XSTATE related issues unearthed quite some inconsistencies,
duplicated code and other issues.
The fine granular overhaul addresses this, makes the code more
robust and maintainable, which allows to integrate upcoming XSTATE
related features in sane ways"
* tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits)
x86/fpu/xstate: Clear xstate header in copy_xstate_to_uabi_buf() again
x86/fpu/signal: Let xrstor handle the features to init
x86/fpu/signal: Handle #PF in the direct restore path
x86/fpu: Return proper error codes from user access functions
x86/fpu/signal: Split out the direct restore code
x86/fpu/signal: Sanitize copy_user_to_fpregs_zeroing()
x86/fpu/signal: Sanitize the xstate check on sigframe
x86/fpu/signal: Remove the legacy alignment check
x86/fpu/signal: Move initial checks into fpu__restore_sig()
x86/fpu: Mark init_fpstate __ro_after_init
x86/pkru: Remove xstate fiddling from write_pkru()
x86/fpu: Don't store PKRU in xstate in fpu_reset_fpstate()
x86/fpu: Remove PKRU handling from switch_fpu_finish()
x86/fpu: Mask PKRU from kernel XRSTOR[S] operations
x86/fpu: Hook up PKRU into ptrace()
x86/fpu: Add PKRU storage outside of task XSAVE buffer
x86/fpu: Dont restore PKRU in fpregs_restore_userspace()
x86/fpu: Rename xfeatures_mask_user() to xfeatures_mask_uabi()
x86/fpu: Move FXSAVE_LEAK quirk info __copy_kernel_to_fpregs()
x86/fpu: Rename __fpregs_load_activate() to fpregs_restore_userregs()
...
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There is no point in using copy_init_pkru_to_fpregs() which in turn calls
write_pkru(). write_pkru() tries to fiddle with the task's xstate buffer
for nothing because the XRSTOR[S](init_fpstate) just cleared the xfeature
flag in the xstate header which makes get_xsave_addr() fail.
It's a useless exercise anyway because the reinitialization activates the
FPU so before the task's xstate buffer can be used again a XRSTOR[S] must
happen which in turn dumps the PKRU value.
Get rid of the now unused copy_init_pkru_to_fpregs().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210623121455.732508792@linutronix.de
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Pick up dependent changes which either went mainline (x86/urgent is
based on -rc7 and that contains them) as urgent fixes and the current
x86/urgent branch which contains two more urgent fixes, so that the
bigger FPU rework can base off ontop.
Signed-off-by: Borislav Petkov <bp@suse.de>
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The kernel pushes context on to the userspace stack to prepare for the
user's signal handler. When the user has supplied an alternate signal
stack, via sigaltstack(2), it is easy for the kernel to verify that the
stack size is sufficient for the current hardware context.
Check if writing the hardware context to the alternate stack will exceed
it's size. If yes, then instead of corrupting user-data and proceeding with
the original signal handler, an immediate SIGSEGV signal is delivered.
Refactor the stack pointer check code from on_sig_stack() and use the new
helper.
While the kernel allows new source code to discover and use a sufficient
alternate signal stack size, this check is still necessary to protect
binaries with insufficient alternate signal stack size from data
corruption.
Fixes: c2bc11f10a39 ("x86, AVX-512: Enable AVX-512 States Context Switch")
Reported-by: Florian Weimer <fweimer@redhat.com>
Suggested-by: Jann Horn <jannh@google.com>
Suggested-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Len Brown <len.brown@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20210518200320.17239-6-chang.seok.bae@intel.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=153531
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Define AT_MINSIGSTKSZ in the generic uapi header. It is already used
as generic ABI in glibc's generic elf.h, and this define will prevent
future namespace conflicts. In particular, x86 is also using this
generic definition.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Len Brown <len.brown@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20210518200320.17239-2-chang.seok.bae@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
"Only two minor patches this time: one cleanup patch and one patch
refreshing a Xen header"
* tag 'for-linus-5.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: sync include/xen/interface/io/ring.h with Xen's newest version
xen: Use DEVICE_ATTR_*() macro
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Sync include/xen/interface/io/ring.h with Xen's newest version in
order to get the RING_COPY_RESPONSE() and RING_RESPONSE_PROD_OVERFLOW()
macros.
Note that this will correct the wrong license info by adding the
missing original copyright notice.
Signed-off-by: Juergen Gross <jgross@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This adds support for controlling the PRU and R5F clusters on the TI
AM64x, the remote processor in i.MX7ULP, i.MX8MN/P and i.MX8ULP NXP
and the audio, compute and modem remoteprocs in the Qualcomm SC8180x
platform.
It fixes improper ordering of cdev and device creation of the
remoteproc control interface and it fixes resource leaks in the error
handling path of rproc_add() and the Qualcomm modem and wifi
remoteproc drivers.
Lastly it fixes a few build warnings and replace the dummy parameter
passed in the mailbox api of the stm32 driver to something not living
on the stack"
* tag 'rproc-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (32 commits)
remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
dt-bindings: remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
remoteproc: imx_rproc: support i.MX8ULP
dt-bindings: remoteproc: imx_rproc: support i.MX8ULP
remoteproc: stm32: fix mbox_send_message call
remoteproc: core: Cleanup device in case of failure
remoteproc: core: Fix cdev remove and rproc del
remoteproc: core: Move validate before device add
remoteproc: core: Move cdev add before device add
remoteproc: pru: Add support for various PRU cores on K3 AM64x SoCs
dt-bindings: remoteproc: pru: Update bindings for K3 AM64x SoCs
remoteproc: qcom_wcnss: Use devm_qcom_smem_state_get()
remoteproc: qcom_q6v5: Use devm_qcom_smem_state_get() to fix missing put()
soc: qcom: smem_state: Add devm_qcom_smem_state_get()
dt-bindings: remoteproc: qcom: pas: Fix indentation warnings
remoteproc: imx-rproc: Fix IMX_REMOTEPROC configuration
remoteproc: imx_rproc: support i.MX8MN/P
remoteproc: imx_rproc: support i.MX7ULP
remoteproc: imx_rproc: make clk optional
remoteproc: imx_rproc: initial support for mutilple start/stop method
...
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It is easy to forget to call qcom_smem_state_put() after
a qcom_smem_state_get(). Introduce a devm_qcom_smem_state_get()
helper function that automates this so that qcom_smem_state_put()
is automatically called when a device is removed.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210618111556.53416-1-stephan@gerhold.net
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Fix all the kernel-doc warnings in various remoteproc core files.
Some of them just needed a formatting cleanup change, while others
needed the Return statement to be added, or documenting the missed
structure elements.
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suman Anna <s-anna@ti.com>
Link: https://lore.kernel.org/r/20210519180304.23563-3-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pull OpenRISC updates from Stafford Horne:
"One change to simplify Litex CSR (MMIO register) access by limiting
them to 32-bit offsets.
Now that this is agreed on among Litex hardware and kernel developers
it will allow us to start upstreaming other Litex peripheral drivers"
* tag 'for-linus' of git://github.com/openrisc/linux:
drivers/soc/litex: remove 8-bit subregister option
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Since upstream LiteX recommends that Linux support be limited to
designs configured with 32-bit CSR subregisters (see commit a2b71fde
in upstream LiteX, https://github.com/enjoy-digital/litex), remove
the option to select 8-bit subregisters, significantly reducing the
complexity of LiteX CSR (MMIO register) accessor methods.
NOTE: for details on the underlying mechanics of LiteX CSR registers,
see https://github.com/enjoy-digital/litex/wiki/CSR-Bus or the original
LiteX accessors (litex/soc/software/include/hw/common.h in the upstream
repository).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Florent Kermarrec <florent@enjoy-digital.fr>
Cc: Mateusz Holenko <mholenko@antmicro.com>
Cc: Joel Stanley <joel@jms.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stafford Horne <shorne@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"This was a extremely quiet cycle for kgdb. This consists of two
patches that between them address spelling errors and a switch
fallthrough warning"
* tag 'kgdb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kgdb: Fix fall-through warning for Clang
kgdb: Fix spelling mistakes
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Fix some spelling mistakes in comments:
initalization ==> initialization
detatch ==> detach
represntation ==> representation
hexidecimal ==> hexadecimal
delimeter ==> delimiter
architecure ==> architecture
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210529110305.9446-3-thunder.leizhen@huawei.com
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Fixes for virtiofs submounts
- Misc fixes and cleanups
* tag 'fuse-update-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
virtiofs: Fix spelling mistakes
fuse: use DIV_ROUND_UP helper macro for calculations
fuse: fix illegal access to inode with reused nodeid
fuse: allow fallocate(FALLOC_FL_ZERO_RANGE)
fuse: Make fuse_fill_super_submount() static
fuse: Switch to fc_mount() for submounts
fuse: Call vfs_get_tree() for submounts
fuse: add dedicated filesystem context ops for submounts
virtiofs: propagate sync() to file server
fuse: reject internal errno
fuse: check connected before queueing on fpq->io
fuse: ignore PG_workingset after stealing
fuse: Fix infinite loop in sget_fc()
fuse: Fix crash if superblock of submount gets killed early
fuse: Fix crash in fuse_dentry_automount() error path
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Even if POSIX doesn't mandate it, linux users legitimately expect sync() to
flush all data and metadata to physical storage when it is located on the
same system. This isn't happening with virtiofs though: sync() inside the
guest returns right away even though data still needs to be flushed from
the host page cache.
This is easily demonstrated by doing the following in the guest:
$ dd if=/dev/zero of=/mnt/foo bs=1M count=5K ; strace -T -e sync sync
5120+0 records in
5120+0 records out
5368709120 bytes (5.4 GB, 5.0 GiB) copied, 5.22224 s, 1.0 GB/s
sync() = 0 <0.024068>
and start the following in the host when the 'dd' command completes
in the guest:
$ strace -T -e fsync /usr/bin/sync virtiofs/foo
fsync(3) = 0 <10.371640>
There are no good reasons not to honor the expected behavior of sync()
actually: it gives an unrealistic impression that virtiofs is super fast
and that data has safely landed on HW, which isn't the case obviously.
Implement a ->sync_fs() superblock operation that sends a new FUSE_SYNCFS
request type for this purpose. Provision a 64-bit placeholder for possible
future extensions. Since the file server cannot handle the wait == 0 case,
we skip it to avoid a gratuitous roundtrip. Note that this is
per-superblock: a FUSE_SYNCFS is send for the root mount and for each
submount.
Like with FUSE_FSYNC and FUSE_FSYNCDIR, lack of support for FUSE_SYNCFS in
the file server is treated as permanent success. This ensures
compatibility with older file servers: the client will get the current
behavior of sync() not being propagated to the file server.
Note that such an operation allows the file server to DoS sync(). Since a
typical FUSE file server is an untrusted piece of software running in
userspace, this is disabled by default. Only enable it with virtiofs for
now since virtiofsd is supposedly trusted by the guest kernel.
Reported-by: Robert Krawitz <rlk@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
Nothing major here just lots of little changes for new hardware and
features. Highlights are:
- more USB 4 support added to the thunderbolt core
- build warning fixes all over the place
- usb-serial driver updates and new device support
- mtu3 driver updates
- gadget driver updates
- dwc3 driver updates
- dwc2 driver updates
- isp1760 host driver updates
- musb driver updates
- lots of other tiny things.
Full details are in the shortlog.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (223 commits)
phy: qcom-qusb2: Add configuration for SM4250 and SM6115
dt-bindings: phy: qcom,qusb2: document sm4250/6115 compatible
dt-bindings: usb: qcom,dwc3: Add bindings for sm6115/4250
USB: cdc-acm: blacklist Heimann USB Appset device
usb: xhci-mtk: allow multiple Start-Split in a microframe
usb: ftdi-elan: remove redundant continue statement in a while-loop
usb: class: cdc-wdm: return the correct errno code
xhci: remove redundant continue statement
usb: dwc3: Fix debugfs creation flow
usb: gadget: hid: fix error return code in hid_bind()
usb: gadget: eem: fix echo command packet response issue
usb: gadget: f_hid: fix endianness issue with descriptors
Revert "USB: misc: Add onboard_usb_hub driver"
Revert "of/platform: Add stubs for of_platform_device_create/destroy()"
Revert "usb: host: xhci-plat: Create platform device for onboard hubs in probe()"
Revert "arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub"
xhci: solve a double free problem while doing s4
xhci: handle failed buffer copy to URB sg list and fix a W=1 copiler warning
xhci: Add adaptive interrupt rate for isoch TRBs with XHCI_AVOID_BEI quirk
xhci: Remove unused defines for ERST_SIZE and ERST_ENTRIES
...
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 5.14-rc1
Here are the USB-serial updates for 5.14-rc1, including:
- gpio support for CP2108
- chars_in_buffer and write_room return-value updates
- chars_in_buffer and write_room clean ups
Included are also various clean ups.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.14-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: cp210x: add support for GPIOs on CP2108
USB: serial: drop irq-flags initialisations
USB: serial: mos7840: drop buffer-callback return-value comments
USB: serial: mos7720: drop buffer-callback sanity checks
USB: serial: io_edgeport: drop buffer-callback sanity checks
USB: serial: digi_acceleport: add chars_in_buffer locking
USB: serial: digi_acceleport: reduce chars_in_buffer over-reporting
USB: serial: make usb_serial_driver::chars_in_buffer return uint
USB: serial: make usb_serial_driver::write_room return uint
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tty_operations::chars_in_buffer is being switched to return uint. Do the
same for usb_serial_driver's chars_in_buffer.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
[ johan: amend commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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Line disciplines expect a positive value or zero returned from
tty->ops->write_room (invoked by tty_write_room). Both of them are being
updated to return an unsigned int. Switch also
usb_serial_driver::write_room and all its users.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
[ johan: amend commit message, drop unrelated comment change ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit b4e326165e21d6a11483f6a4de2174b933413554 as the
patch series is causing build issues in linux-next at the moment.
Cc: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/YMuRcrE8xlWnFSWW@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 412981e06294dac3254d83bbf71d4184ea911d05 as the
patch series is causing build issues in linux-next at the moment.
Cc: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/YMuRcrE8xlWnFSWW@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Code for platform_device_create() and of_platform_device_destroy() is
only generated if CONFIG_OF_ADDRESS=y. Add stubs to avoid unresolved
symbols when CONFIG_OF_ADDRESS is not set.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210609150159.v12.3.I08fd2e1c775af04f663730e9fb4d00e6bbb38541@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The main issue this driver addresses is that a USB hub needs to be
powered before it can be discovered. For discrete onboard hubs (an
example for such a hub is the Realtek RTS5411) this is often solved
by supplying the hub with an 'always-on' regulator, which is kind
of a hack. Some onboard hubs may require further initialization
steps, like changing the state of a GPIO or enabling a clock, which
requires even more hacks. This driver creates a platform device
representing the hub which performs the necessary initialization.
Currently it only supports switching on a single regulator, support
for multiple regulators or other actions can be added as needed.
Different initialization sequences can be supported based on the
compatible string.
Besides performing the initialization the driver can be configured
to power the hub off during system suspend. This can help to extend
battery life on battery powered devices which have no requirements
to keep the hub powered during suspend. The driver can also be
configured to leave the hub powered when a wakeup capable USB device
is connected when suspending, and power it off otherwise.
Technically the driver consists of two drivers, the platform driver
described above and a very thin USB driver that subclasses the
generic driver. The purpose of this driver is to provide the platform
driver with the USB devices corresponding to the hub(s) (a hub
controller may provide multiple 'logical' hubs, e.g. one to support
USB 2.0 and another for USB 3.x).
Note: the current series only supports hubs connected directly to
a root hub (through xhci-plat), support for other configurations
could be added if needed.
Co-developed-by: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210609150159.v12.2.I7c9a1f1d6ced41dd8310e8a03da666a32364e790@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into usb-next
Thierry writes:
usb: tegra: Changes for v5.14-rc1
Implements proper suspend/resume for the XUSB controller found on recent
Tegra chips.
* tag 'for-5.14-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
usb: xhci: tegra: Enable ELPG for runtime/system PM
usb: xhci: tegra: Unlink power domain devices
phy: tegra: xusb: Add wake/sleepwalk for Tegra186
phy: tegra: xusb: Tegra210 host mode VBUS control
phy: tegra: xusb: Add wake/sleepwalk for Tegra210
phy: tegra: xusb: Add sleepwalk and suspend/resume
phy: tegra: xusb: Add Tegra210 lane_iddq operation
phy: tegra: xusb: Rearrange UPHY init on Tegra210
phy: tegra: xusb: Move usb3 port init for Tegra210
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This commit adds sleepwalk/wake and suspend/resume interfaces
to Tegra XUSB PHY driver.
Tegra XUSB host controller driver makes use of sleepwalk functions
to enable/disable sleepwalk circuit which is in always-on partition
and can respond to USB resume signals when controller is not powered.
Sleepwalk can be enabled/disabled for any USB UPHY individually.
- tegra_xusb_padctl_enable_phy_sleepwalk()
- tegra_xusb_padctl_disable_phy_sleepwalk()
Tegra XUSB host controller driver makes use of wake functions to
enable/disable/query wake circuit which is in always-on partition
can wake system up when USB resume happens.
Wake circuit can be enabled/disabled for any USB PHY individually.
- tegra_xusb_padctl_enable_phy_wake()
- tegra_xusb_padctl_disable_phy_wake()
- tegra_xusb_padctl_remote_wake_detected()
This commit also adds two system suspend stubs that can be used to
save and restore XUSB PADCTL context during system suspend and
resume.
- tegra_xusb_padctl_suspend_noirq()
- tegra_xusb_padctl_resume_noirq()
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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We want the usb fixes in here as well, and this resolves some merge
issues with:
drivers/usb/dwc3/debugfs.c
drivers/usb/dwc3/gadget.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Gadget API has a theoretical race when a gadget driver is unbound.
Although the pull-up is turned off before the driver's ->unbind
callback runs, if the USB cable were to be unplugged at just the wrong
moment there would be nothing to prevent the UDC driver from invoking
the ->disconnect callback after the unbind has finished. In theory,
other asynchronous callbacks could also happen during the time before
the UDC driver's udc_stop routine is called, and the gadget driver
would not be prepared to handle any of them.
We need a way to tell UDC drivers to stop issuing asynchronous (that is,
->suspend, ->resume, ->disconnect, ->reset, or ->setup) callbacks at
some point after the pull-up has been turned off and before the
->unbind callback runs. This patch adds a new ->udc_async_callbacks
callback to the usb_gadget_ops structure for precisely this purpose,
and it adds the corresponding support to the UDC core.
Later patches in this series add support for udc_async_callbacks to
several UDC drivers.
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210520202144.GC1216852@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the usb/thunderbolt fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the "removable" attribute from USB to core in order to allow it to be
supported by other subsystem / buses. Individual buses that want to support
this attribute can populate the removable property of the device while
enumerating it with the 3 possible values -
- "unknown"
- "fixed"
- "removable"
Leaving the field unchanged (i.e. "not supported") would mean that the
attribute would not show up in sysfs for that device. The UAPI (location,
symantics etc) for the attribute remains unchanged.
Move the "removable" attribute from USB to the device core so it can be
used by other subsystems / buses.
By default, devices do not have a "removable" attribute in sysfs.
If a subsystem or bus driver wants to support a "removable" attribute, it
should call device_set_removable() before calling device_register() or
device_add(), e.g.:
device_set_removable(dev, DEVICE_REMOVABLE);
device_register(dev);
The possible values and the resulting sysfs attribute contents are:
DEVICE_REMOVABLE_UNKNOWN -> "unknown"
DEVICE_REMOVABLE -> "removable"
DEVICE_FIXED -> "fixed"
Convert the USB "removable" attribute to use this new device core
functionality. There should be no user-visible change in the location or
semantics of attribute for USB devices.
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rajat Jain <rajatja@google.com>
Link: https://lore.kernel.org/r/20210524171812.18095-1-rajatja@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Introduces usb_role_string() function, which returns a
human-readable name of provided usb role, it's useful to
make the log readable.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1621932786-9335-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When vbus auto discharge is enabled, TCPCI based TCPC transitions
into Attached.SNK/Attached.SRC state. During PR_SWAP, TCPCI based
TCPC would disconnect when partner changes power roles. TCPC has
to be moved APPLY RC state during PR_SWAP. This is done by
ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2 and
POWER_CONTROL.AutodischargeDisconnect is 0. Once the swap sequence
is done, AutoDischargeDisconnect is re-enabled.
Fixes: f321a02caebd ("usb: typec: tcpm: Implement enabling Auto Discharge disconnect support")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20210517192112.40934-3-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since the removal of the Blackfin port with:
commit 4ba66a976072 ("arch: remove blackfin port")
No one is using or referencing this header and platform data struct.
Remove them.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210513084717.2487366-5-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix some spelling mistakes in comments:
trasfer ==> transfer
consumtion ==> consumption
endoint ==> endpoint
sharable ==> shareable
contraints ==> constraints
Auxilary ==> Auxiliary
correspondig ==> corresponding
interupt ==> interrupt
inifinite ==> infinite
assignement ==> assignment
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210517094020.7310-1-thunder.leizhen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It is needed at USB Certification test for Embedded Host 2.0, and
the detail is at CH6.4.1.1 of On-The-Go and Embedded Host Supplement
to the USB Revision 2.0 Specification. Since other USB 2.0 capable
host like XHCI also need it, so move it to HCD core.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1620452039-11694-1-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty and serial driver patches for 5.14-rc1.
A bit more than normal, but nothing major, lots of cleanups.
Highlights are:
- lots of tty api cleanups and mxser driver cleanups from Jiri
- build warning fixes
- various serial driver updates
- coding style cleanups
- various tty driver minor fixes and updates
- removal of broken and disable r3964 line discipline (finally!)
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits)
serial: mvebu-uart: remove unused member nb from struct mvebu_uart
arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
dt-bindings: mvebu-uart: fix documentation
serial: mvebu-uart: correctly calculate minimal possible baudrate
serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
serial: mvebu-uart: fix calculation of clock divisor
tty: make linux/tty_flip.h self-contained
serial: Prefer unsigned int to bare use of unsigned
serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
serial: qcom_geni_serial: use DT aliases according to DT bindings
Revert "tty: serial: Add UART driver for Cortina-Access platform"
tty: serial: Add UART driver for Cortina-Access platform
MAINTAINERS: add me back as mxser maintainer
mxser: Documentation, fix typos
mxser: Documentation, make the docs up-to-date
mxser: Documentation, remove traces of callout device
mxser: introduce mxser_16550A_or_MUST helper
mxser: rename flags to old_speed in mxser_set_serial_info
mxser: use port variable in mxser_set_serial_info
mxser: access info->MCR under info->slock
...
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If someone includes linux/tty_flip.h before linux/tty.h, they see
many compiler errors like:
include/linux/tty_flip.h:23:30: error: invalid use of undefined type 'struct tty_port'
include/linux/tty_flip.h:26:14: error: invalid use of undefined type 'struct tty_buffer'
tty_flip.h actually lexicographically sorts before tty.h. So if people
sort includes (as I tried in amiserial), the compilation suddenly
breaks.
Solve this by including linux/tty.h from linux/tty_flip.h, so that
everything is defined as needed.
Another alternative would be to uninline tty_insert_flip_char and just
insert forward declarations of tty_port and tty_buffer structs into
tty_flip.h as that inline is the only real user. But that would mean
slowing down the fast path without any good reason. (Provided the fix
is that easy and there were no real problems with this until now.)
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210625073511.4514-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Many tty drivers contain code to compute bits count depending on termios
cflags. So extract this code from serial core to two separate tty helper
functions:
* tty_get_char_size -- only size of a character, without flags,
* tty_get_frame_size -- complete size of a frame including flags.
In the next patch, calls to these new functions replace many copies of
this code.
Note that we accept only cflag as a parameter. That's because some
callers like pch_uart_startup or sunsab_console_setup don't have at hand
termios which we could pass around.
Cc: Joe Perches <joe@perches.com>
Cc: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210610090247.2593-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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