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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the large set of char/misc and other small driver subsystem
changes for 6.1-rc1. Loads of different things in here:
- IIO driver updates, additions, and changes. Probably the largest
part of the diffstat
- habanalabs driver update with support for new hardware and
features, the second largest part of the diff.
- fpga subsystem driver updates and additions
- mhi subsystem updates
- Coresight driver updates
- gnss subsystem updates
- extcon driver updates
- icc subsystem updates
- fsi subsystem updates
- nvmem subsystem and driver updates
- misc driver updates
- speakup driver additions for new features
- lots of tiny driver updates and cleanups
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
w1: Split memcpy() of struct cn_msg flexible array
spmi: pmic-arb: increase SPMI transaction timeout delay
spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
spmi: pmic-arb: correct duplicate APID to PPID mapping logic
spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
spmi: pmic-arb: check apid against limits before calling irq handler
spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
spmi: pmic-arb: handle spurious interrupt
spmi: pmic-arb: add a print in cleanup_irq
drivers: spmi: Directly use ida_alloc()/free()
MAINTAINERS: add TI ECAP driver info
counter: ti-ecap-capture: capture driver support for ECAP
Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
dt-bindings: counter: add ti,am62-ecap-capture.yaml
counter: Introduce the COUNTER_COMP_ARRAY component type
counter: Consolidate Counter extension sysfs attribute creation
counter: Introduce the Count capture component
counter: 104-quad-8: Add Signal polarity component
counter: Introduce the Signal polarity component
counter: interrupt-cnt: Implement watch_validate callback
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"The drivers branch for 6.1 is a bit larger than for most releases.
Most of the changes come from SoC maintainers for the drivers/soc
subsystem:
- A new driver for error handling on the NVIDIA Tegra 'control
backbone' bus.
- A new driver for Qualcomm LLCC/DDR bandwidth measurement
- New Rockchip rv1126 and rk3588 power domain drivers
- DT binding updates for memory controllers, older Rockchip SoCs,
various Mediatek devices, Qualcomm SCM firmware
- Minor updates to Hisilicon LPC bus, the Allwinner SRAM driver, the
Apple rtkit firmware driver, Tegra firmware
- Minor updates for SoC drivers (Samsung, Mediatek, Renesas, Tegra,
Qualcomm, Broadcom, NXP, ...)
There are also some separate subsystem with downstream maintainers
that merge updates this way:
- Various updates and new drivers in the memory controller subsystem
for Mediatek and Broadcom SoCs
- Small set of changes in preparation to add support for FF-A v1.1
specification later, in the Arm FF-A firmware subsystem
- debugfs support in the PSCI firmware subsystem"
* tag 'arm-drivers-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (149 commits)
ARM: remove check for CONFIG_DEBUG_LL_SER3
firmware/psci: Add debugfs support to ease debugging
firmware/psci: Print a warning if PSCI doesn't accept PC mode
dt-bindings: memory: snps,dw-umctl2-ddrc: Extend schema with IRQs/resets/clocks props
dt-bindings: memory: snps,dw-umctl2-ddrc: Replace opencoded numbers with macros
dt-bindings: memory: snps,dw-umctl2-ddrc: Use more descriptive device name
dt-bindings: memory: synopsys,ddrc-ecc: Detach Zynq DDRC controller support
soc: sunxi: sram: Add support for the D1 system control
soc: sunxi: sram: Export the LDO control register
soc: sunxi: sram: Save a pointer to the OF match data
soc: sunxi: sram: Return void from the release function
soc: apple: rtkit: Add apple_rtkit_poll
soc: imx: add i.MX93 media blk ctrl driver
soc: imx: add i.MX93 SRC power domain driver
soc: imx: imx8m-blk-ctrl: Use genpd_xlate_onecell
soc: imx: imx8mp-blk-ctrl: handle PCIe PHY resets
soc: imx: imx8m-blk-ctrl: add i.MX8MP VPU blk ctrl
soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR
soc: imx: add icc paths for i.MX8MP hsio/hdmi blk ctrl
soc: imx: add icc paths for i.MX8MP media blk ctrl
...
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Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20220916141244.2174005-1-liushixin2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
"MHI Host
--------
- Print the modem name while probing the MHI host pci-generic driver. This has
been exposed as a debug information so far but on a low storate embedded
devices such as OpenWRT based products, this helps in identifying the
attached modem without enabling the debug logs."
* tag 'mhi-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: host: always print detected modem name
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Add a secondary AT port using one of OEM reserved channel.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This harmless print provides a very easy way of knowing
if the modem is detected properly during probing.
Promote it to an informational print so no hassle is required
enabling kernel debugging info to obtain it.
The rationale here is that:
On a lot of low-storage embedded devices, extensive kernel
debugging info is not always present as this would
increase it's size to much causing partition size issues.
Signed-off-by: Koen Vandeputte <koen.vandeputte@citymesh.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/20220831100349.1488762-1-koen.vandeputte@citymesh.com
[mani: added missing review tags]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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The code to create the child platform device is essentially the same as
what platform_device_register_full() does, so change over to use
that same function to reduce duplication.
Signed-off-by: John Garry <john.garry@huawei.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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The OF ID table is not guarded, and the ACPI table does not needs it either.
The IDs do not depend on the configuration. Hence drop ACPI_PTR() from the
code and move ID table closer to its user.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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The usual error code is -ETIMEDOUT, the currently used -ETIME is specific
for timers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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The struct resource is not used for anything else, so we can simplify
the code a bit by using the helper function.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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Use dev_fwnode() and acpi_fwnode_handle() instead of dereferencing
an fwnode handle directly, which is a better coding practice.
While at it, reuse fwnode instead of ACPI_COMPANION().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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The irq handler for a shared IRQ ought to be prepared for running
even now it's being freed. So let's check the pointer used by
mhi_irq_handler to avoid null pointer access since it is probably
released before freeing IRQ.
Fixes: 1227d2a20cd7 ("bus: mhi: host: Move IRQ allocation to controller registration phase")
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/1658459838-30802-1-git-send-email-quic_qianyu@quicinc.com
[mani: added fixes tag]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the large set of char and misc and other driver subsystem
changes for 6.0-rc1.
Highlights include:
- large set of IIO driver updates, additions, and cleanups
- new habanalabs device support added (loads of register maps much
like GPUs have)
- soundwire driver updates
- phy driver updates
- slimbus driver updates
- tiny virt driver fixes and updates
- misc driver fixes and updates
- interconnect driver updates
- hwtracing driver updates
- fpga driver updates
- extcon driver updates
- firmware driver updates
- counter driver update
- mhi driver fixes and updates
- binder driver fixes and updates
- speakup driver fixes
All of these have been in linux-next for a while without any reported
problems"
* tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (634 commits)
drivers: lkdtm: fix clang -Wformat warning
char: remove VR41XX related char driver
misc: Mark MICROCODE_MINOR unused
spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
dt-bindings: iio: adc: Add compatible for MT8188
iio: light: isl29028: Fix the warning in isl29028_remove()
iio: accel: sca3300: Extend the trigger buffer from 16 to 32 bytes
iio: fix iio_format_avail_range() printing for none IIO_VAL_INT
iio: adc: max1027: unlock on error path in max1027_read_single_value()
iio: proximity: sx9324: add empty line in front of bullet list
iio: magnetometer: hmc5843: Remove duplicate 'the'
iio: magn: yas530: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: magnetometer: ak8974: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: veml6030: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: vcnl4035: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: vcnl4000: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
iio: light: tsl2591: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
iio: light: tsl2583: Use DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
iio: light: isl29028: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
iio: light: gp2ap002: Switch to DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
...
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Merge ACPI device object management changes for v5.20-rc1.
- Use the facilities provided by the driver core and some additional
helpers to handle the children of a given ACPI device object in
multiple places instead of using the children and node list heads in
struct acpi_device which is error prone (Rafael Wysocki).
- Fix ACPI-related device reference counting issue in the hisi_lpc bus
driver (Yang Yingliang).
- Drop the children and node list heads that are not needed any more
from struct acpi_device (Rafael Wysocki).
- Drop driver member from struct acpi_device (Uwe Kleine-König).
- Drop redundant check from acpi_device_remove() (Uwe Kleine-König).
* acpi-bus:
ACPI: bus: Drop unused list heads from struct acpi_device
hisi_lpc: Use acpi_dev_for_each_child()
bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe()
ACPI: bus: Drop driver member of struct acpi_device
ACPI: bus: Drop redundant check in acpi_device_remove()
mfd: core: Use acpi_dev_for_each_child()
ACPI / MMC: PM: Unify fixing up device power
soundwire: Use acpi_dev_for_each_child()
platform/x86/thinkpad_acpi: Use acpi_dev_for_each_child()
ACPI: scan: Walk ACPI device's children using driver core
ACPI: bus: Introduce acpi_dev_for_each_child_reverse()
ACPI: video: Use acpi_dev_for_each_child()
ACPI: bus: Export acpi_dev_for_each_child() to modules
ACPI: property: Use acpi_dev_for_each_child() for child lookup
ACPI: container: Use acpi_dev_for_each_child()
USB: ACPI: Replace usb_acpi_find_port() with acpi_find_child_by_adr()
thunderbolt: ACPI: Replace tb_acpi_find_port() with acpi_find_child_by_adr()
ACPI: glue: Introduce acpi_find_child_by_adr()
ACPI: glue: Introduce acpi_dev_has_children()
ACPI: glue: Use acpi_dev_for_each_child()
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git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI Host
--------
Support for new modems:
- Quectel EM120 FCCL based on SDX24. This product MHI configuration is same
as EM120R-GL modem.
- Foxconn Cinterion MV31-W. This product is same as the existing MV31-W
modem but sold as a separate product as it uses a different firmware
baseline.
- Foxconn T99W175 based on SDX55.
Core changes:
- Moved the IRQ allocation to MHI controller registration phase. Since the
MHI endpoint may be powered up/down several times during runtime, it
makes sense to move the IRQ allocation to registration phase and just
enable/disable IRQs during endpoint power up/down.
MHI endpoint
------------
Core changes:
- Added error check for dev_set_name()
* tag 'mhi-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: ep: Check dev_set_name() return value
bus: mhi: host: pci_generic: Add another Foxconn T99W175
bus: mhi: host: Move IRQ allocation to controller registration phase
bus: mhi: host: pci_generic: Add Cinterion MV31-W with new baseline
bus: mhi: host: pci_generic: Add support for Quectel EM120 FCCL modem
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It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220708015948.4091-1-liubo03@inspur.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Instead of walking the list of children of an ACPI device directly,
use acpi_dev_for_each_child() to carry out an action for all of
the given ACPI device's children.
This will help to eliminate the children list head from struct
acpi_device as it is redundant and it is used in questionable ways
in some places (in particular, locking is needed for walking the
list pointed to it safely, but it is often missing).
While at it, simplify hisi_lpc_acpi_set_io_res() by making it accept
a struct acpi_device pointer from the caller, instead of going to
struct device and back to get the same result, and clean up confusion
regarding hostdev and its ACPI companion in that function.
Also remove a redundant check from it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: John Garry <john.garry@huawei.com>
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In error case in hisi_lpc_acpi_probe() after calling platform_device_add(),
hisi_lpc_acpi_remove() can't release the failed 'pdev', so it will be leak,
call platform_device_put() to fix this problem.
I'v constructed this error case and tested this patch on D05 board.
Fixes: 99c0228d6ff1 ("HISI LPC: Re-Add ACPI child enumeration support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Change 'informations' to 'information'.
Change 'accross' to 'across'.
Signed-off-by: Zhang Jiaming <jiaming@nfschina.com>
Link: https://lore.kernel.org/r/20220629060716.22310-1-jiaming@nfschina.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Foxconn e0c3 device identifies itself as a T99W175 X55, add support
for this to the pci_generic driver.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220627170717.2252335-1-bjorn.andersson@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A number of fixes have accumulated, but they are largely for harmless
issues:
- Several OF node leak fixes
- A fix to the Exynos7885 UART clock description
- DTS fixes to prevent boot failures on TI AM64 and J721s2
- Bus probe error handling fixes for Baikal-T1
- A fixup to the way STM32 SoCs use separate dts files for different
firmware stacks
- Multiple code fixes for Arm SCMI firmware, all dealing with
robustness of the implementation
- Multiple NXP i.MX devicetree fixes, addressing incorrect data in DT
nodes
- Three updates to the MAINTAINERS file, including Florian Fainelli
taking over BCM283x/BCM2711 (Raspberry Pi) from Nicolas Saenz
Julienne"
* tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
ARM: dts: aspeed: nuvia: rename vendor nuvia to qcom
arm: mach-spear: Add missing of_node_put() in time.c
ARM: cns3xxx: Fix refcount leak in cns3xxx_init
MAINTAINERS: Update email address
arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region
ARM: dts: bcm2711-rpi-400: Fix GPIO line names
bus: bt1-axi: Don't print error on -EPROBE_DEFER
bus: bt1-apb: Don't print error on -EPROBE_DEFER
ARM: Fix refcount leak in axxia_boot_secondary
ARM: dts: stm32: move SCMI related nodes in a dedicated file for stm32mp15
soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
ARM: dts: imx6qdl: correct PU regulator ramp delay
firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY node
soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
MAINTAINERS: Update BCM2711/BCM2835 maintainer
...
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During runtime, the MHI endpoint may be powered up/down several times.
So instead of allocating and destroying the IRQs all the time, let's just
enable/disable IRQs during power up/down.
The IRQs will be allocated during mhi_register_controller() and freed
during mhi_unregister_controller(). This works well for things like PCI
hotplug also as once the PCI device gets removed, the controller will
get unregistered. And once it comes back, it will get registered back
and even if the IRQ configuration changes (MSI), that will get accounted.
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/1655952183-66792-1-git-send-email-quic_qianyu@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Cinterion MV31-W modem with a new baseline (firmware) is sold as a separate
product with different device ID. So add support for the same reusing the
config.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220622032544.17713-1-slark_xiao@163.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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The product's enumeration align with previous Quectel EM120R-GL, so the
EM120 FCCL would use the same config as Quectel EM120R-GL.
Signed-off-by: Yonglin Tan <yonglin.tan@outlook.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/MEYP282MB2374837FFCB18B12BFDEDE80FDCF9@MEYP282MB2374.AUSP282.PROD.OUTLOOK.COM
[mani: added pci_generic prefix to subject and aligned the commit message]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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The Baikal-T1 AXI bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-2-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The Baikal-T1 APB bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-1-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
In fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to
fsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in
fsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io
triggers KASAN use-after-free. To avoid the use-after-free, keep the
reference to mc->root_mc_bus_dev->mc_io in a local variable and pass to
fsl_destroy_mc_io().
This patch needs rework to apply to kernels older than v5.15.
Fixes: f93627146f0e ("staging: fsl-mc: fix asymmetry in destroy of mc_io")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20220601105159.87752-1-shinichiro.kawasaki@wdc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
Based on the normalized pattern:
this program is free software you can redistribute it and/or modify it
under the terms of the gnu general public license version 2 as
published by the free software foundation this program is distributed
as is without any warranty of any kind whether express or implied
without even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
(part 2)
Based on the normalized pattern:
this file is licensed under the terms of the gnu general public
license version 2 this program is licensed as is without any warranty
of any kind whether express or implied
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.19-rc1.
Lots of tiny driver core changes and cleanups happened this cycle, but
the two major things are:
- firmware_loader reorganization and additions including the ability
to have XZ compressed firmware images and the ability for userspace
to initiate the firmware load when it needs to, instead of being
always initiated by the kernel. FPGA devices specifically want this
ability to have their firmware changed over the lifetime of the
system boot, and this allows them to work without having to come up
with yet-another-custom-uapi interface for loading firmware for
them.
- physical location support added to sysfs so that devices that know
this information, can tell userspace where they are located in a
common way. Some ACPI devices already support this today, and more
bus types should support this in the future.
Smaller changes include:
- driver_override api cleanups and fixes
- error path cleanups and fixes
- get_abi script fixes
- deferred probe timeout changes.
It's that last change that I'm the most worried about. It has been
reported to cause boot problems for a number of systems, and I have a
tested patch series that resolves this issue. But I didn't get it
merged into my tree before 5.18-final came out, so it has not gotten
any linux-next testing.
I'll send the fixup patches (there are 2) as a follow-on series to this
pull request.
All have been tested in linux-next for weeks, with no reported issues
other than the above-mentioned boot time-outs"
* tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
driver core: fix deadlock in __device_attach
kernfs: Separate kernfs_pr_cont_buf and rename_lock.
topology: Remove unused cpu_cluster_mask()
driver core: Extend deferred probe timeout on driver registration
MAINTAINERS: add Russ Weight as a firmware loader maintainer
driver: base: fix UAF when driver_attach failed
test_firmware: fix end of loop test in upload_read_show()
driver core: location: Add "back" as a possible output for panel
driver core: location: Free struct acpi_pld_info *pld
driver core: Add "*" wildcard support to driver_async_probe cmdline param
driver core: location: Check for allocations failure
arch_topology: Trace the update thermal pressure
kernfs: Rename kernfs_put_open_node to kernfs_unlink_open_file.
export: fix string handling of namespace in EXPORT_SYMBOL_NS
rpmsg: use local 'dev' variable
rpmsg: Fix calling device_lock() on non-initialized device
firmware_loader: describe 'module' parameter of firmware_upload_register()
firmware_loader: Move definitions from sysfs_upload.h to sysfs.h
firmware_loader: Fix configs for sysfs split
selftests: firmware: Add firmware upload selftests
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / other smaller driver subsystem updates from Greg KH:
"Here is the large set of char, misc, and other driver subsystem
updates for 5.19-rc1. The merge request for this has been delayed as I
wanted to get lots of linux-next testing due to some late arrivals of
changes for the habannalabs driver.
Highlights of this merge are:
- habanalabs driver updates for new hardware types and fixes and
other updates
- IIO driver tree merge which includes loads of new IIO drivers and
cleanups and additions
- PHY driver tree merge with new drivers and small updates to
existing ones
- interconnect driver tree merge with fixes and updates
- soundwire driver tree merge with some small fixes
- coresight driver tree merge with small fixes and updates
- mhi bus driver tree merge with lots of updates and new device
support
- firmware driver updates
- fpga driver updates
- lkdtm driver updates (with a merge conflict, more on that below)
- extcon driver tree merge with small updates
- lots of other tiny driver updates and fixes and cleanups, full
details in the shortlog.
All of these have been in linux-next for almost 2 weeks with no
reported problems"
* tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (387 commits)
habanalabs: use separate structure info for each error collect data
habanalabs: fix missing handle shift during mmap
habanalabs: remove hdev from hl_ctx_get args
habanalabs: do MMU prefetch as deferred work
habanalabs: order memory manager messages
habanalabs: return -EFAULT on copy_to_user error
habanalabs: use NULL for eventfd
habanalabs: update firmware header
habanalabs: add support for notification via eventfd
habanalabs: add topic to memory manager buffer
habanalabs: handle race in driver fini
habanalabs: add device memory scrub ability through debugfs
habanalabs: use unified memory manager for CB flow
habanalabs: unified memory manager new code for CB flow
habanalabs/gaudi: set arbitration timeout to a high value
habanalabs: add put by handle method to memory manager
habanalabs: hide memory manager page shift
habanalabs: Add separate poll interval value for protocol
habanalabs: use get_task_pid() to take PID
habanalabs: add prefetch flag to the MAP operation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Intel VT-d driver updates:
- Domain force snooping improvement.
- Cleanups, no intentional functional changes.
- ARM SMMU driver updates:
- Add new Qualcomm device-tree compatible strings
- Add new Nvidia device-tree compatible string for Tegra234
- Fix UAF in SMMUv3 shared virtual addressing code
- Force identity-mapped domains for users of ye olde SMMU legacy
binding
- Minor cleanups
- Fix a BUG_ON in the vfio_iommu_group_notifier:
- Groundwork for upcoming iommufd framework
- Introduction of DMA ownership so that an entire IOMMU group is
either controlled by the kernel or by user-space
- MT8195 and MT8186 support in the Mediatek IOMMU driver
- Make forcing of cache-coherent DMA more coherent between IOMMU
drivers
- Fixes for thunderbolt device DMA protection
- Various smaller fixes and cleanups
* tag 'iommu-updates-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (88 commits)
iommu/amd: Increase timeout waiting for GA log enablement
iommu/s390: Tolerate repeat attach_dev calls
iommu/vt-d: Remove hard coding PGSNP bit in PASID entries
iommu/vt-d: Remove domain_update_iommu_snooping()
iommu/vt-d: Check domain force_snooping against attached devices
iommu/vt-d: Block force-snoop domain attaching if no SC support
iommu/vt-d: Size Page Request Queue to avoid overflow condition
iommu/vt-d: Fold dmar_insert_one_dev_info() into its caller
iommu/vt-d: Change return type of dmar_insert_one_dev_info()
iommu/vt-d: Remove unneeded validity check on dev
iommu/dma: Explicitly sort PCI DMA windows
iommu/dma: Fix iova map result check bug
iommu/mediatek: Fix NULL pointer dereference when printing dev_name
iommu: iommu_group_claim_dma_owner() must always assign a domain
iommu/arm-smmu: Force identity domains for legacy binding
iommu/arm-smmu: Support Tegra234 SMMU
dt-bindings: arm-smmu: Add compatible for Tegra234 SOC
dt-bindings: arm-smmu: Document nvidia,memory-controller property
iommu/arm-smmu-qcom: Add SC8280XP support
dt-bindings: arm-smmu: Add compatible for Qualcomm SC8280XP
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are minor updates to SoC specific drivers for chips by Rockchip,
Samsung, NVIDIA, TI, NXP, i.MX, Qualcomm, and Broadcom.
Noteworthy driver changes include:
- Several conversions of DT bindings to yaml format.
- Renesas adds driver support for R-Car V4H, RZ/V2M and RZ/G2UL SoCs.
- Qualcomm adds a bus driver for the SSC (Snapdragon Sensor Core),
and support for more chips in the RPMh power domains and the
soc-id.
- NXP has a new driver for the HDMI blk-ctrl on i.MX8MP.
- Apple M1 gains support for the on-chip NVMe controller, making it
possible to finally use the internal disks. This also includes SoC
drivers for their RTKit IPC and for the SART DMA address filter.
For other subsystems that merge their drivers through the SoC tree, we
have
- Firmware drivers for the ARM firmware stack including TEE, OP-TEE,
SCMI and FF-A get a number of smaller updates and cleanups. OP-TEE
now has a cache for firmware argument structures as an
optimization, and SCMI now supports the 3.1 version of the
specification.
- Reset controller updates to Amlogic, ASpeed, Renesas and ACPI
drivers
- Memory controller updates for Tegra, and a few updates for other
platforms"
* tag 'arm-drivers-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (159 commits)
memory: tegra: Add MC error logging on Tegra186 onward
memory: tegra: Add memory controller channels support
memory: tegra: Add APE memory clients for Tegra234
memory: tegra: Add Tegra234 support
nvme-apple: fix sparse endianess warnings
soc/tegra: pmc: Document core domain fields
soc: qcom: pdr: use static for servreg_* variables
soc: imx: fix semicolon.cocci warnings
soc: renesas: R-Car V3U is R-Car Gen4
soc: imx: add i.MX8MP HDMI blk-ctrl
soc: imx: imx8m-blk-ctrl: Add i.MX8MP media blk-ctrl
soc: imx: add i.MX8MP HSIO blk-ctrl
soc: imx: imx8m-blk-ctrl: set power device name
soc: qcom: llcc: Add sc8180x and sc8280xp configurations
dt-bindings: arm: msm: Add sc8180x and sc8280xp LLCC compatibles
soc/tegra: pmc: Select REGMAP
dt-bindings: reset: st,sti-powerdown: Convert to yaml
dt-bindings: reset: st,sti-picophyreset: Convert to yaml
dt-bindings: reset: socfpga: Convert to yaml
dt-bindings: reset: snps,axs10x-reset: Convert to yaml
...
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'ppc/pamu', 'x86/vt-d', 'x86/amd' and 'vfio-notifier-fix' into next
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We can get "failed to disable" clock_unprepare warnings on unbind at least
for the serial console device if the unbind is done before the device has
been idled.
As some devices are using deferred idle, we must check the status for
pending idle work to idle the device.
Fixes: 76f0f772e469 ("bus: ti-sysc: Improve handling for no-reset-on-init and no-idle-on-init")
Cc: Romain Naour <romain.naour@smile.fr>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220512053021.61650-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-work-next
Manivannan writes:
MHI changes for v5.19
MHI Host
--------
Support for new modems:
- Foxconn Cinterion MV32-WA/MV32-WB based on SDX62/SDX65
- Telit FN980 v1 based on SDX55
- Telit FN990 based on SDX65
- Foxconn T99W373/T99W368 based on SDX62/SDX65
Core changes:
- During the recycle of event ring elements, compute the ctxt_wp based on the
local cached value instead of reading from shared memory. This is to prevent
the possible corruption of the ctxt_wp as some of the endpoint devices could
modify the value in shared memory.
- Add sysfs support for resetting the endpoint based on the MHI spec. The MHI
spec allows the host to hard reset the device in the case of an unrecoverable
error and all other reset mechanisms have failed.
- During MHI shutdown, wait for the endpoint device to enter the ready state
post reset before proceeding. This is to avoid a possible race where host
would remove the interrupt handler and device will send ready state
interrupt, resulting in IOMMU fault.
- Bail out updating the MHI register if the read has failed during
read/modify/write.
- Use mhi_write_reg() instead of mhi_write_reg_field() for writing the whole
register fields in mhi_init_mmio().
MAINTAINERS change:
- Since Qualcomm has moved the email domain for its employess from codeaurora
domain to quicinc, update the same for Hemant.
* tag 'mhi-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi: (29 commits)
bus: mhi: host: Add support for Foxconn T99W373 and T99W368
bus: mhi: host: pci_generic: add Telit FN990
bus: mhi: host: pci_generic: add Telit FN980 v1 hardware revision
bus: mhi: host: Add support for Cinterion MV32-WA/MV32-WB
bus: mhi: host: Optimize and update MMIO register write method
bus: mhi: host: Bail on writing register fields if read fails
bus: mhi: host: Wait for ready state after reset
bus: mhi: host: Add soc_reset sysfs
bus: mhi: host: pci_generic: Sort mhi_pci_id_table based on the PID
bus: mhi: host: Use cached values for calculating the shared write pointer
MAINTAINERS: Update Hemant's email id
bus: mhi: ep: Add uevent support for module autoloading
bus: mhi: ep: Add support for suspending and resuming channels
bus: mhi: ep: Add support for queueing SKBs to the host
bus: mhi: ep: Add support for processing channel rings
bus: mhi: ep: Add support for reading from the host
bus: mhi: ep: Add support for processing command rings
bus: mhi: ep: Add support for handling SYS_ERR condition
bus: mhi: ep: Add support for handling MHI_RESET
bus: mhi: ep: Add support for powering down the MHI endpoint stack
...
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Product's enumeration align with previous Foxconn
SDX55, so T99W373(SDX62)/T99W368(SDX65) would use
the same config as Foxconn SDX55.
Remove fw and edl for this new commit.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/20220503024349.4486-1-slark_xiao@163.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Add Telit FN990:
01:00.0 Unassigned class [ff00]: Qualcomm Device 0308
Subsystem: Device 1c5d:2010
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220502112036.443618-1-dnlplm@gmail.com
[mani: Added "host" to the subject]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
|
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Add Telit FN980 v1 hardware revision:
01:00.0 Unassigned class [ff00]: Qualcomm Device [17cb:0306]
Subsystem: Device [1c5d:2000]
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220427072648.17635-1-dnlplm@gmail.com
[mani: Added "host" to the subject]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.19
This converts a wide range of Qualcomm-related DeviceTree bindings to
YAML, in order to improve our ability to validate the DeviceTree source.
The RPMh power-domain driver gains support for the modem platform SDX65,
the compute platform SC8280XP and the automotive platform SA8540p. While
LLCC gains support for SC8180X and SC8280XP and gains a
MODULE_DEVICE_TABLE() to make it functional as a module.
It adds a driver for configuring the SSC bus, providing Linux access to
the hardware blocks in the sensor subsystem.
The socinfo driver gets confusion related to MSM8974 Pro sorted out and
adds new ids for SM8540 and SC7280.
The SCM driver gains support for MSM8974.
Add missing of_node_put() in smp2p and smsm drivers.
Stop using iterator after list_for_each_entry() and define static
definitions as such, in the PDR driver.
* tag 'qcom-drivers-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (33 commits)
soc: qcom: pdr: use static for servreg_* variables
soc: qcom: llcc: Add sc8180x and sc8280xp configurations
dt-bindings: arm: msm: Add sc8180x and sc8280xp LLCC compatibles
soc: qcom: rpmhpd: add sc8280xp & sa8540p rpmh power-domains
soc: qcom: rpmhpd: Don't warn about sparse rpmhpd arrays
dt-bindings: power: rpmpd: Add sc8280xp RPMh power-domains
spi: dt-bindings: qcom,spi-geni-qcom: convert to dtschema
soc: qcom: socinfo: Sort out 8974PRO names
dt-bindings: soc: qcom,smp2p: convert to dtschema
dt-bindings: qcom: geni-se: Update UART schema reference
dt-bindings: qcom: geni-se: Update I2C schema reference
dt-bindings: soc: qcom,rpmh-rsc: convert to dtschema
bus: add driver for initializing the SSC bus on (some) qcom SoCs
dt-bindings: bus: add device tree bindings for qcom,ssc-block-bus
dt-bindings: qcom: qcom,geni-se: refer to dtschema for SPI
dt-bindings: soc: qcom,smd: convert to dtschema
firmware: qcom_scm: Add compatible for MSM8976 SoC
dt-bindings: firmware: qcom-scm: Document msm8976 bindings
soc: qcom: smem: validate fields of shared structures
soc: qcom: smem: map only partitions used by local HOST
...
Link: https://lore.kernel.org/r/20220509181839.316655-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
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Fix following coccicheck warning:
./drivers/bus/mhi/host/init.c:89:8-16: WARNING: use scnprintf or sprintf
Use sysfs_emit and sysfs_emit_at instead of snprintf.
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220426125902.681258-1-wanjiabing@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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into arm/drivers
This pull request contains Broadcom ARM/ARM64 SoCs drivers changes for
5.19, please pull the following:
- Qintao adds a missing NULL check to the Broadcom PMB driver after a
memory allocation
- Li removes the redundant suppress_bind_attrs from the brcmstb_gisb
driver which only has a probe and no remove function
* tag 'arm-soc/for-5.19/drivers' of https://github.com/Broadcom/stblinux:
bus: brcmstb_gisb: Remove the suppress_bind_attrs attribute of the driver
soc: bcm: Check for NULL return of devm_kzalloc()
Link: https://lore.kernel.org/r/20220504210942.1838248-4-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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We need the kernfs/driver core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Fix locking when accessing device MSI descriptors
* tag 'irq_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bus: fsl-mc-msi: Fix MSI descriptor mutex lock for msi_first_desc()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small number of char/misc/other driver fixes for 5.18-rc5
Nothing major in here, this is mostly IIO driver fixes along with some
other small things:
- at25 driver fix for systems without a dma-able stack
- phy driver fixes for reported issues
- binder driver fixes for reported issues
All of these have been in linux-next without any reported problems"
* tag 'char-misc-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (31 commits)
eeprom: at25: Use DMA safe buffers
binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0
binder: Address corner cases in deferred copy and fixup
phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe()
iio: imu: inv_icm42600: Fix I2C init possible nack
iio: dac: ltc2688: fix voltage scale read
interconnect: qcom: sdx55: Drop IP0 interconnects
interconnect: qcom: sc7180: Drop IP0 interconnects
phy: ti: Add missing pm_runtime_disable() in serdes_am654_probe
phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe
phy: ti: omap-usb2: Fix error handling in omap_usb2_enable_clocks
bus: mhi: host: pci_generic: Flush recovery worker during freeze
bus: mhi: host: pci_generic: Add missing poweroff() PM callback
phy: ti: tusb1210: Fix an error handling path in tusb1210_probe()
phy: samsung: exynos5250-sata: fix missing device put in probe error paths
phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe
phy: ti: Fix missing of_node_put in ti_pipe3_get_sysctrl()
phy: ti: tusb1210: Make tusb1210_chg_det_states static
iio:dac:ad3552r: Fix an IS_ERR() vs NULL check
iio: sx9324: Fix default precharge internal resistance register
...
|
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.18, 2nd round:
- Fix one sparse warning on imx-weim driver.
- Fix vqmmc regulator to get UHS-I mode work on imx6ull-colibri board.
- Add missing 32.768 kHz PMIC clock for imx8mn-ddr4-evk board to fix
bd718xx-clk probe error.
* tag 'imx-fixes-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock
ARM: dts: imx6ull-colibri: fix vqmmc regulator
bus: imx-weim: make symbol 'weim_of_notifier' static
Link: https://lore.kernel.org/r/20220426013427.GB14615@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
Fix return value in RSB bus driver
* tag 'sunxi-fixes-for-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create()
Link: https://lore.kernel.org/r/Ymbkd+/dDmRJz66w@kista.localdomain
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
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The devices on platform/amba/fsl-mc/PCI buses could be bound to drivers
with the device DMA managed by kernel drivers or user-space applications.
Unfortunately, multiple devices may be placed in the same IOMMU group
because they cannot be isolated from each other. The DMA on these devices
must either be entirely under kernel control or userspace control, never
a mixture. Otherwise the driver integrity is not guaranteed because they
could access each other through the peer-to-peer accesses which by-pass
the IOMMU protection.
This checks and sets the default DMA mode during driver binding, and
cleanups during driver unbinding. In the default mode, the device DMA is
managed by the device driver which handles DMA operations through the
kernel DMA APIs (see Documentation/core-api/dma-api.rst).
For cases where the devices are assigned for userspace control through the
userspace driver framework(i.e. VFIO), the drivers(for example, vfio_pci/
vfio_platfrom etc.) may set a new flag (driver_managed_dma) to skip this
default setting in the assumption that the drivers know what they are
doing with the device DMA.
Calling iommu_device_use_default_domain() before {of,acpi}_dma_configure
is currently a problem. As things stand, the IOMMU driver ignored the
initial iommu_probe_device() call when the device was added, since at
that point it had no fwspec yet. In this situation,
{of,acpi}_iommu_configure() are retriggering iommu_probe_device() after
the IOMMU driver has seen the firmware data via .of_xlate to learn that
it actually responsible for the given device. As the result, before
that gets fixed, iommu_use_default_domain() goes at the end, and calls
arch_teardown_dma_ops() if it fails.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Stuart Yoder <stuyoder@gmail.com>
Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20220418005000.897664-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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