Including:
- Fix kmemleak warning in IOVA code
- Fix compile warnings on ARM32/64 in dma-iommu code due to
dma_mask type mismatches
- Make ISA reserved regions relaxable, so that VFIO can assign
devices which have such regions defined
- Fix mapping errors resulting in IO page-faults in the VT-d
driver
- Make sure direct mappings for a domain are created after the
default domain is updated
- Map ISA reserved regions in the VT-d driver with correct
permissions
- Remove unneeded check for PSI capability in the IOTLB flush
code of the VT-d driver
- Lockdep fix iommu_dma_prepare_msi()
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Merge tag 'iommu-fixes-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Fix kmemleak warning in IOVA code
- Fix compile warnings on ARM32/64 in dma-iommu code due to dma_mask
type mismatches
- Make ISA reserved regions relaxable, so that VFIO can assign devices
which have such regions defined
- Fix mapping errors resulting in IO page-faults in the VT-d driver
- Make sure direct mappings for a domain are created after the default
domain is updated
- Map ISA reserved regions in the VT-d driver with correct permissions
- Remove unneeded check for PSI capability in the IOTLB flush code of
the VT-d driver
- Lockdep fix iommu_dma_prepare_msi()
* tag 'iommu-fixes-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/dma: Relax locking in iommu_dma_prepare_msi()
iommu/vt-d: Remove incorrect PSI capability check
iommu/vt-d: Allocate reserved region for ISA with correct permission
iommu: set group default domain before creating direct mappings
iommu/vt-d: Fix dmar pte read access not set error
iommu/vt-d: Set ISA bridge reserved region as relaxable
iommu/dma: Rationalise types for DMA masks
iommu/iova: Init the struct iova to fix the possible memleak
* Add support of APUv4 and fix an assignment of simswap GPIO.
* Add Siemens CONNECT X300 to DMI table to avoid stuck during boot.
* Correct arguments of WMI call on HP Envy x360 15-cp0xxx model.
* Fix the mlx-bootctl sysfs attributes to be device related.
The following is an automated git shortlog grouped by driver:
hp-wmi:
- Make buffer for HPWMI_FEATURE2_QUERY 128 bytes
pcengines-apuv2:
- Spelling fixes in the driver
- detect apuv4 board
- fix simswap GPIO assignment
platform/mellanox:
- fix the mlx-bootctl sysfs
pmc_atom:
- Add Siemens CONNECT X300 to critclk_systems DMI table
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Merge tag 'platform-drivers-x86-v5.5-2' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
"Bucket of fixes for PDx86. Note, that there is no ABI breakage in
Mellanox driver because it has been introduced in v5.5-rc1, so we can
change it.
Summary:
- Add support of APUv4 and fix an assignment of simswap GPIO
- Add Siemens CONNECT X300 to DMI table to avoid stuck during boot
- Correct arguments of WMI call on HP Envy x360 15-cp0xxx model
- Fix the mlx-bootctl sysfs attributes to be device related"
* tag 'platform-drivers-x86-v5.5-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: pcengines-apuv2: Spelling fixes in the driver
platform/x86: pcengines-apuv2: detect apuv4 board
platform/x86: pcengines-apuv2: fix simswap GPIO assignment
platform/x86: pmc_atom: Add Siemens CONNECT X300 to critclk_systems DMI table
platform/x86: hp-wmi: Make buffer for HPWMI_FEATURE2_QUERY 128 bytes
platform/mellanox: fix the mlx-bootctl sysfs
Here are some small char and other driver fixes for 5.5-rc3.
The most noticable one is a much-reported fix for a random driver issue
that came up from 5.5-rc1 compat_ioctl cleanups. The others are a chunk
of habanalab driver fixes and intel_th driver fixes and new device ids.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and other driver fixes for 5.5-rc3.
The most noticable one is a much-reported fix for a random driver
issue that came up from 5.5-rc1 compat_ioctl cleanups. The others are
a chunk of habanalab driver fixes and intel_th driver fixes and new
device ids.
All have been in linux-next with no reported issues"
* tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
random: don't forget compat_ioctl on urandom
intel_th: msu: Fix window switching without windows
intel_th: Fix freeing IRQs
intel_th: pci: Add Elkhart Lake SOC support
intel_th: pci: Add Comet Lake PCH-V support
habanalabs: remove variable 'val' set but not used
habanalabs: rate limit error msg on waiting for CS
Here are some small staging driver fixes for a number of reported
issues.
The majority here are some fixes for the wfx driver, but also in here is
a comedi driver fix found during some code review, and an axis-fifo
build dependancy issue to resolve some reported testing problems.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for a number of reported
issues.
The majority here are some fixes for the wfx driver, but also in here
is a comedi driver fix found during some code review, and an axis-fifo
build dependancy issue to resolve some reported testing problems.
All of these have been in linux-next with no reported issues"
* tag 'staging-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: wfx: fix wrong error message
staging: wfx: fix hif_set_mfp() with big endian hosts
staging: wfx: detect race condition in WEP authentication
staging: wfx: ensure that retry policy always fallbacks to MCS0 / 1Mbps
staging: wfx: fix rate control handling
staging: wfx: firmware does not support more than 32 total retries
staging: wfx: use boolean appropriately
staging: wfx: fix counter overflow
staging: wfx: fix case of lack of tx_retry_policies
staging: wfx: fix the cache of rate policies on interface reset
staging: axis-fifo: add unspecified HAS_IOMEM dependency
staging: comedi: gsc_hpdi: check dma_alloc_coherent() return value
Update existing and add missing regions to the reserved memory map, as
described in version 7.1
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20191218132217.28141-5-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Currently the mem clk is voted upon from both the active and proxy pool on
MSM8998 SoCs where only a proxy vote should suffice. Fix this by removing
mem clk from the active pool.
Fixes: 1665cbd573 ("remoteproc: qcom_q6v5_mss: Add support for MSM8998")
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20191218132217.28141-2-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
HiSilicon Taishan v110 CPUs didn't implement CSV2 field of the
ID_AA64PFR0_EL1, but spectre-v2 is mitigated by hardware, so
whitelist the MIDR in the safe list.
Signed-off-by: Wei Li <liwei391@huawei.com>
[hanjun: re-write the commit log]
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Here are some small tty and serial driver fixes for 5.5-rc3.
Only 4 small patches here:
- atmel serial driver fix
- msm_serial driver fix
- sprd serial driver fix
- tty core port fix
The last tty core fix should resolve a long-standing bug with a race
at port creation time that some people would see, and Sudip finally
tracked down.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty and serial driver fixes for 5.5-rc3.
Only four small patches here:
- atmel serial driver fix
- msm_serial driver fix
- sprd serial driver fix
- tty core port fix
The last tty core fix should resolve a long-standing bug with a race
at port creation time that some people would see, and Sudip finally
tracked down.
All of these have been in linux-next with no reported issues"
* tag 'tty-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty/serial: atmel: fix out of range clock divider handling
tty: link tty and port before configuring it as console
serial: sprd: Add clearing break interrupt operation
tty: serial: msm_serial: Fix lockup for sysrq and oops
Here are some small USB fixes for some reported issues.
Included in here are:
- xhci build warning fix
- ehci disconnect warning fix
- usbip lockup fix and error cleanup fix
- typec build fix
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for some reported issues.
Included in here are:
- xhci build warning fix
- ehci disconnect warning fix
- usbip lockup fix and error cleanup fix
- typec build fix
All of these have been in linux-next with no reported issues"
* tag 'usb-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: xhci: Fix build warning seen with CONFIG_PM=n
usbip: Fix error path of vhci_recv_ret_submit()
usbip: Fix receive error in vhci-hcd when using scatter-gather
USB: EHCI: Do not return -EPIPE when hub is disconnected
usb: typec: fusb302: Fix an undefined reference to 'extcon_get_state'
- A host of fixes for the Intel baytrail and cherryview:
properly serialize all register accesses and add the irqchip
with the gpiochip as we need to, fix some pin lists and
initialize the hardware in the right order.
- Fix the Aspeed G6 LPC configuration.
- Handle a possible NULL pointer exception in the core.
- Fix the Kconfig dependencies for the Equilibrium driver.
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Merge tag 'pinctrl-v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Sorry that this fixes pull request took a while. Too much christmas
business going on.
This contains a few really important Intel fixes and some odd fixes:
- A host of fixes for the Intel baytrail and cherryview: properly
serialize all register accesses and add the irqchip with the
gpiochip as we need to, fix some pin lists and initialize the
hardware in the right order.
- Fix the Aspeed G6 LPC configuration.
- Handle a possible NULL pointer exception in the core.
- Fix the Kconfig dependencies for the Equilibrium driver"
* tag 'pinctrl-v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: ingenic: Fixup PIN_CONFIG_OUTPUT config
pinctrl: Modify Kconfig to fix linker error
pinctrl: pinmux: fix a possible null pointer in pinmux_can_be_used_for_gpio
pinctrl: aspeed-g6: Fix LPC/eSPI mux configuration
pinctrl: cherryview: Pass irqchip when adding gpiochip
pinctrl: cherryview: Add GPIO <-> pin mapping ranges via callback
pinctrl: cherryview: Split out irq hw-init into a separate helper function
pinctrl: baytrail: Pass irqchip when adding gpiochip
pinctrl: baytrail: Add GPIO <-> pin mapping ranges via callback
pinctrl: baytrail: Update North Community pin list
pinctrl: baytrail: Really serialize all register accesses
This moves the prep handlers outside of the opcode handlers, and allows
us to pass in the sqe directly. If the sqe is non-NULL, it means that
the request should be prepared for the first time.
With the opcode handlers not having access to the sqe at all, we are
guaranteed that the prep handler has setup the request fully by the
time we get there. As before, for opcodes that need to copy in more
data then the io_kiocb allows for, the io_async_ctx holds that info. If
a prep handler is invoked with req->io set, it must use that to retain
information for later.
Finally, we can remove io_kiocb->sqe as well.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We currently have a mix of use cases. Most of the newer ones are pretty
uniform, but we have some older ones that use different calling
calling conventions. This is confusing.
For the opcodes that currently rely on the req->io->sqe copy saving
them from reuse, add a request type struct in the io_kiocb command
union to store the data they need.
Prepare for all opcodes having a standard prep method, so we can call
it in a uniform fashion and outside of the opcode handler. This is in
preparation for passing in the 'sqe' pointer, rather than storing it
in the io_kiocb. Once we have uniform prep handlers, we can leave all
the prep work to that part, and not even pass in the sqe to the opcode
handler. This ensures that we don't reuse sqe data inadvertently.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add Intel Elkhart Lake to the list of the platforms that driver supports
for the PMC device.
Just like Ice Lake and Tiger Lake, Elkhart Lake can also reuse all the
Cannon Lake PCH IPs. Also, it uses the same PCH IPs of Tiger Lake, no
additional effort is needed to enable but to simply reuse them.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add Intel Tiger Lake to the list of the platforms that driver supports
for the PMC device.
Just like Ice Lake, Tiger Lake can also reuse all the Cannon Lake PCH
IPs. Since Tiger Lake has almost the same number of PCH IPs as Ice Lake,
reuse Ice Lake's PPFEAR_NUM_ENTRIES instead of defining a new macro.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Check if the platform supports and only then add a debugfs entry for PCH
IP power gating status.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The current implementation of intel_pmc_core driver allows to reuse, but does
not reflect the exact number and names of IPs for a newer platform which
does not necessarily support all the IPs in the entries. The names and
number of these IPs might differ from its previous platforms. The number
of PCH IPs per platform is calculated based on PPFEAR_NUM_ENTRIES
defined, where each entry represents a bucket (8 bits). The platform can
support 'n' entries, but not necessarily all 'n * 8' IPs.
Create platform dependent bitmap structures to specify the exact number,
names of IPs while reusing the existing IPs.
The changes in this patch are preparatory to accommodate future SoCs
that might reuse the CNL/ICL PCH IPs, and to reflect the exact number of
IPs with its names.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
It is common practice to place a comma after the last entry in an
initialized array to avoid the need to add one in future patches that
extend the array. But when the last element is a termination marker, the
comma could be harmful. Any new entries must be added before the
terminator (and the comma would prevent the compiler from issuing a
warning about an entry after the terminator).
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Mainly does:
- capitalize gpio and bios to GPIO and BIOS
- capitalize beginning of comments
- add periods in multi-line comments
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
GPIO stuff on APUv4 seems to be the same as on APUv2, so we just
need to match on DMI data.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The mapping entry has to hold the GPIO line index instead of
controller's register number.
Fixes: 5037d4ddda ("platform/x86: pcengines-apuv2: wire up simswitch gpio as led")
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The CONNECT X300 uses the PMC clock for on-board components and gets
stuck during boot if the clock is disabled. Therefore, add this
device to the critical systems list.
Tested on CONNECT X300.
Fixes: 648e921888 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
Signed-off-by: Michael Haener <michael.haener@siemens.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
At least on the HP Envy x360 15-cp0xxx model the WMI interface
for HPWMI_FEATURE2_QUERY requires an outsize of at least 128 bytes,
otherwise it fails with an error code 5 (HPWMI_RET_INVALID_PARAMETERS):
Dec 06 00:59:38 kernel: hp_wmi: query 0xd returned error 0x5
We do not care about the contents of the buffer, we just want to know
if the HPWMI_FEATURE2_QUERY command is supported.
This commits bumps the buffer size, fixing the error.
Fixes: 8a1513b493 ("hp-wmi: limit hotkey enable")
Cc: stable@vger.kernel.org
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1520703
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This is a follow-up commit for the sysfs attributes to change
from DRIVER_ATTR to DEVICE_ATTR according to some initial comments.
In such case, it's better to point the sysfs path to the device
itself instead of the driver. The ABI document is also updated.
Fixes: 79e29cb8fb ("platform/mellanox: Add bootctl driver for Mellanox BlueField Soc")
Signed-off-by: Liming Sun <lsun@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add the count field to struct io_timeout, and ensure the prep handler
has read it. Timeout also needs an async context always, set it up
in the prep handler if we don't have one.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add struct io_sr_msg in our io_kiocb per-command union, and ensure that
the send/recvmsg prep handlers have grabbed what they need from the SQE
by the time prep is done.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add struct io_connect in our io_kiocb per-command union, and ensure
that io_connect_prep() has grabbed what it needs from the SQE.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Put the kiocb in struct io_rw, and add the addr/len for the request as
well. Use the kiocb->private field for the buffer index for fixed reads
and writes.
Any use of kiocb->ki_filp is flipped to req->file. It's the same thing,
and less confusing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Split the existing Kizbox Mini boards into three board configuration,
the base board, the mother board and the RailDIN board.
Add a new dts file for the SmartKiz board support.
Signed-off-by: Kévin RAYMOND <k.raymond@overkiz.com>
Signed-off-by: Mickael GARDET <m.gardet@overkiz.com>
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Link: https://lore.kernel.org/r/20191220103835.160154-2-kamel.bouhara@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Document devicetree's bindings for the Overkiz's Kizbox Mini and
Smartkiz boards, based on a SAM9G25 Atmel SoC.
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191220103835.160154-1-kamel.bouhara@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
The EK874 is advertised as compatible with panel IDK-2121WR from
Advantech, however the panel isn't sold alongside the board.
A new dts, adding everything that's required to get the panel to
to work with the EK874, is the most convenient way to support the
EK874 when it's connected to the IDK-2121WR.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/1576590361-28244-7-git-send-email-fabrizio.castro@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add device nodes for the I2C and IIC Controllers on the Renesas R-Car
M3-W+ (r8a77961) SoC, including DMA properties linking them to the DMA
controllers.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20191216124740.16647-6-geert+renesas@glider.be
Fix rxrpc_new_incoming_call() to check that we have a suitable service key
available for the combination of service ID and security class of a new
incoming call - and to reject calls for which we don't.
This causes an assertion like the following to appear:
rxrpc: Assertion failed - 6(0x6) == 12(0xc) is false
kernel BUG at net/rxrpc/call_object.c:456!
Where call->state is RXRPC_CALL_SERVER_SECURING (6) rather than
RXRPC_CALL_COMPLETE (12).
Fixes: 248f219cb8 ("rxrpc: Rewrite the data and ack handling code")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Standard kernel mutexes cannot be used in any way from interrupt or softirq
context, so the user_mutex which manages access to a call cannot be a mutex
since on a new call the mutex must start off locked and be unlocked within
the softirq handler to prevent userspace interfering with a call we're
setting up.
Commit a0855d24fc ("locking/mutex: Complain
upon mutex API misuse in IRQ contexts") causes big warnings to be splashed
in dmesg for each a new call that comes in from the server. Whilst it
*seems* like it should be okay, since the accept path uses trylock, there
are issues with PI boosting and marking the wrong task as the owner.
Fix this by not taking the mutex in the softirq path at all. It's not
obvious that there should be any need for it as the state is set before the
first notification is generated for the new call.
There's also no particular reason why the link-assessing ping should be
triggered inside the mutex. It's not actually transmitted there anyway,
but rather it has to be deferred to a workqueue.
Further, I don't think that there's any particular reason that the socket
notification needs to be done from within rx->incoming_lock, so the amount
of time that lock is held can be shortened too and the ping prepared before
the new call notification is sent.
Fixes: 540b1c48c3 ("rxrpc: Fix deadlock between call creation and sendmsg/recvmsg")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Peter Zijlstra (Intel) <peterz@infradead.org>
cc: Ingo Molnar <mingo@redhat.com>
cc: Will Deacon <will@kernel.org>
cc: Davidlohr Bueso <dave@stgolabs.net>
Move the unlock and the ping transmission for a new incoming call into
rxrpc_new_incoming_call() rather than doing it in the caller. This makes
it clearer to see what's going on.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
cc: Ingo Molnar <mingo@redhat.com>
cc: Will Deacon <will@kernel.org>
cc: Davidlohr Bueso <dave@stgolabs.net>
We kept some typedefs in uapi/sound/*.h so that the programs in
alsa-tools can be built. Now that alsa-lib takes these and applies
the workarounds in its own, we don't need these typedefs any longer in
the kernel uapi side. Let's drop them.
Link: https://lore.kernel.org/r/20191220161555.20232-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Fix the following sparse warning:
fs/xfs/libxfs/xfs_trans_resv.c:206:1: warning: symbol 'xfs_rtalloc_log_count' was not declared. Should it be static?
Fixes: b1de6fc752 ("xfs: fix log reservation overflows when allocating large rt extents")
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
To improve human readability and enable automatic validation, the tuples
in "reg" properties should be grouped.
Fix this by grouping the tuples in the thermal node's "reg" property
using angle brackets.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191213164115.3697-9-geert+renesas@glider.be
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
To improve human readability and enable automatic validation, the tuples
in the "ranges" and "dma-ranges" properties of PCI device nodes should
be grouped.
Fix this by grouping the tuples of the "ranges" and "dma-ranges"
properties using angle brackets.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191213164115.3697-8-geert+renesas@glider.be
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
