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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Various changes across the board, mostly improvements and cleanups"
* tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (42 commits)
pwm: pca9685: Convert to i2c's .probe_new()
pwm: sun4i: Propagate errors in .get_state() to the caller
pwm: Handle .get_state() failures
pwm: sprd: Propagate errors in .get_state() to the caller
pwm: rockchip: Propagate errors in .get_state() to the caller
pwm: mtk-disp: Propagate errors in .get_state() to the caller
pwm: imx27: Propagate errors in .get_state() to the caller
pwm: cros-ec: Propagate errors in .get_state() to the caller
pwm: crc: Propagate errors in .get_state() to the caller
leds: qcom-lpg: Propagate errors in .get_state() to the caller
drm/bridge: ti-sn65dsi86: Propagate errors in .get_state() to the caller
pwm/tracing: Also record trace events for failed API calls
pwm: Make .get_state() callback return an error code
pwm: pxa: Enable for MMP platform
pwm: pxa: Add reference manual link and limitations
pwm: pxa: Use abrupt shutdown mode
pwm: pxa: Remove clk enable/disable from pxa_pwm_config
pwm: pxa: Set duty cycle to 0 when disabling PWM
pwm: pxa: Remove pxa_pwm_enable/disable
pwm: mediatek: Add support for MT7986
...
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Record and report an error code for the events. This allows to report
about failed calls without ambiguity and so gives a more complete
picture.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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.get_state() might fail in some cases. To make it possible that a driver
signals such a failure change the prototype of .get_state() to return an
error code.
This patch was created using coccinelle and the following semantic patch:
@p1@
identifier getstatefunc;
identifier driver;
@@
struct pwm_ops driver = {
...,
.get_state = getstatefunc
,...
};
@p2@
identifier p1.getstatefunc;
identifier chip, pwm, state;
@@
-void
+int
getstatefunc(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state)
{
...
- return;
+ return 0;
...
}
plus the actual change of the prototype in include/linux/pwm.h (plus some
manual fixing of indentions and empty lines).
So for now all drivers return success unconditionally. They are adapted
in the following patches to make the changes easier reviewable.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Acked-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"rproc-virtio device names are now auto generated, to avoid conflicts
between remoteproc instances.
The imx_rproc driver is extended with support for communicating with
and attaching to a running M4 on i.MX8QXP, as well as support for
attaching to the M4 after self-recovering from a crash. Support is
added for i.MX8QM and mailbox channels are reconnected during the
recovery process, in order to avoid data corruption.
The Xilinx Zynqmp firmware interface is extended and support for the
Xilinx R5 RPU is introduced.
Various resources leaks, primarily in error paths, throughout the
Qualcomm drivers are corrected.
Lastly a fix to ensure that pm_relax is invoked even if the remoteproc
instance is stopped between a crash is being reported and the recovery
handler is scheduled"
* tag 'rproc-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (25 commits)
remoteproc: core: Do pm_relax when in RPROC_OFFLINE state
remoteproc: qcom: q6v5: Fix missing clk_disable_unprepare() in q6v5_wcss_qcs404_power_on()
remoteproc: qcom_q6v5_pas: Fix missing of_node_put() in adsp_alloc_memory_region()
remoteproc: qcom_q6v5_pas: detach power domains on remove
remoteproc: qcom_q6v5_pas: disable wakeup on probe fail or remove
remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()
remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev()
remoteproc: sysmon: Make QMI message rules const
drivers: remoteproc: Add Xilinx r5 remoteproc driver
firmware: xilinx: Add RPU configuration APIs
firmware: xilinx: Add shutdown/wakeup APIs
firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU configuration.
arm64: dts: xilinx: zynqmp: Add RPU subsystem device node
dt-bindings: remoteproc: Add Xilinx RPU subsystem bindings
remoteproc: core: Use device_match_of_node()
remoteproc: imx_rproc: Correct i.MX93 DRAM mapping
remoteproc: imx_rproc: Enable attach recovery for i.MX8QM/QXP
remoteproc: imx_rproc: Request mbox channel later
remoteproc: imx_rproc: Support i.MX8QM
remoteproc: imx_rproc: Support kicking Mcore from Linux for i.MX8QXP
...
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This patch adds APIs to access to configure RPU and its
processor-specific memory.
That is query the run-time mode of RPU as either split or lockstep as well
as API to set this mode. In addition add APIs to access configuration of
the RPUs' tightly coupled memory (TCM).
Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221114233940.2096237-6-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Add shutdown/wakeup a resource eemi operations to shutdown
or bringup a resource.
Note alignment of args matches convention of other fn's in this file.
The reason being that the long fn name results in aligned args that
otherwise go over 80 chars so shift right to avoid this
Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221114233940.2096237-5-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Add ZynqMP firmware ioctl enums for RPU configuration and TCM Nodes for
later use via request_node and release_node
Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221114233940.2096237-4-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Xilinx ZynqMP platform has dual-core ARM Cortex R5 Realtime Processing
Unit(RPU) subsystem. This patch adds dt-bindings for RPU subsystem
(cluster).
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221114233940.2096237-2-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- qcom: enable sc8280xp, sm8550 and sm4250 support
- ti: default to ARCH_K3 for msg manager
- mediatek:
- add mt8188 and mt8186 support
- request irq only after got ready
- zynq-ipi: fix error handling after device_register
- mpfs: check sys-con status
- rockchip: simplify by using device_get_match_data
* tag 'mailbox-v6.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
dt-bindings: mailbox: qcom-ipcc: Add compatible for SM8550
mailbox: mtk-cmdq: Do not request irq until we are ready
mailbox: zynq-ipi: fix error handling while device_register() fails
mailbox: mtk-cmdq-mailbox: Use platform data directly instead of copying
mailbox: arm_mhuv2: Fix return value check in mhuv2_probe()
dt-bindings: mailbox: mediatek,gce-mailbox: add mt8188 compatible name
dt-bindings: mailbox: add GCE header file for mt8188
mailbox: mpfs: read the system controller's status
mailbox: mtk-cmdq: add MT8186 support
mailbox: mtk-cmdq: add gce ddr enable support flow
mailbox: mtk-cmdq: add gce software ddr enable private data
mailbox: mtk-cmdq: Use GCE_CTRL_BY_SW definition instead of number
mailbox: rockchip: Use device_get_match_data() to simplify the code
dt-bindings: mailbox: qcom-ipcc: Add sc8280xp compatible
mailbox: config: ti-msgmgr: Default set to ARCH_K3 for TI msg manager
mailbox: qcom-apcs-ipc: Add SM4250 APCS IPC support
dt-bindings: mailbox: qcom: Add SM4250 APCS compatible
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Add Global Command Engine(GCE) header file to define the GCE thread priority,
GCE subsys id, event and constant for mt8188.
Signed-off-by: Elvis Wang <Elvis.Wang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno<angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for Ampere Computing SMpro
- Add support for TI TPS65219 PMIC
New Functionality:
- Add support for multiple devices of the same type; rk808
Fix-ups:
- Convert a bunch of I2C class drivers over to .probe_new()
- Remove superfluous includes; mc13xxx-*, palmas, timberdale
- Use correct includes for GPIO handling; madera-core
- Convert to GPIOD; twl6040
- Remove unused platform data handling; twl6040
- Device Tree changes; many
- Remove unused drivers; dm355evm_msp, davinci_voicecodec, htc-i2cpld
- Add support for modules; palmas
- Enable COMPILE_TEST support; intel_soc_pmic*
- Trivial: spelling / whitespace fixes; mc13xxx-spi
- Replace old PM helpers with new ones; many
- Convert deprecated mask_invert usage to unmask_base; many
- Use devm_*() calls; qcom_rpm
- MAINTAINER fix-ups
- Make use of improved / replaced APIs; palmas, fsl-imx25-tsadc,
stm32-lptimer, qcom_rpm, rohm-*
Bug Fixes:
- Add bounds / error checking; mt6360-core
- No sleeping inside critical sections; axp20x
- Fix missing dependencies; ROHM_BD957XMUF
- Repair error paths; qcom-pm8008"
* tag 'mfd-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (161 commits)
dt-bindings: mfd: da9062: Correct file name for watchdog
mfd: pm8008: Fix return value check in pm8008_probe()
mfd: rohm: Use dev_err_probe()
mfd: Drop obsolete dependencies on COMPILE_TEST
dt-bindings: mfd: da9062: Move IRQ to optional properties
mfd: qcom_rpm: Use devm_of_platform_populate() to simplify code
mfd: qcom_rpm: Fix an error handling path in qcom_rpm_probe()
mfd: stm32-lptimer: Use devm_platform_get_and_ioremap_resource()
mfd: rohm-bd9576: Convert to i2c's .probe_new()
mfd: fsl-imx25-tsadc: Use devm_platform_get_and_ioremap_resource()
dt-bindings: Fix maintainer email for a few ROHM ICs
mfd: palmas: Use device_get_match_data() to simplify the code
Input: Add tps65219 interrupt driven powerbutton
mfd: tps65219: Add driver for TI TPS65219 PMIC
mfd: bd957x: Fix Kconfig dependency on REGMAP_IRQ
mfd: wcd934x: Convert irq chip to config regs
mfd: tps65090: Replace irqchip mask_invert with unmask_base
mfd: sun4i-gpadc: Replace irqchip mask_invert with unmask_base
mfd: stpmic1: Fix swapped mask/unmask in irq chip
mfd: sprd-sc27xx-spi: Replace irqchip mask_invert with unmask_base
...
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The TPS65219 is a power management IC PMIC designed to supply a wide
range of SoCs in both portable and stationary applications. Any SoC can
control TPS65219 over a standard I2C interface.
It contains the following components:
- Regulators.
- Over Temperature warning and Shut down.
- GPIOs
- Multi Function Pins (MFP)
- power-button
This patch adds support for tps65219 PMIC. At this time only
the functionalities listed below are made available:
- Regulators probe and functionalities
- warm and cold reset support
- SW shutdown support
- Regulator warnings via IRQs
- Power-button via IRQ
Signed-off-by: Jerome Neanne <jneanne@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221104152311.1098603-5-jneanne@baylibre.com
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Use the new DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros
to handle the .suspend/.resume callbacks.
These macros allow the suspend and resume functions to be automatically
dropped by the compiler when CONFIG_SUSPEND is disabled, without having
to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Lee Jones <lee@kernel.org>
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Use the new EXPORT_GPL_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros
to handle the .suspend/.resume callbacks.
These macros allow the suspend and resume functions to be automatically
dropped by the compiler when CONFIG_SUSPEND is disabled, without having
to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Lee Jones <lee@kernel.org>
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The HTC Herald machine was removed, so this driver is no
longer used anywhere.
Cc: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221019150410.3851944-17-arnd@kernel.org
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The DaVinci DM355EVM platform is gone after the removal of all
unused board files, so the MTD device along with its sub-devices
can be removed as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221019152947.3857217-7-arnd@kernel.org
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As of df04b6242a58 ("mfd: twl6040: Remove support for legacy (pdata)
mode") the driver no longer references the platform data, so we can drop
its definition, as well as definitions of related structures.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220926054421.1546436-5-dmitry.torokhov@gmail.com
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This patch switches the dirver from legacy gpio API to a newer gpiod
API so that we can eventually drop the former.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220926054421.1546436-4-dmitry.torokhov@gmail.com
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It does not appear that any of palmas sub-drivers are using OF-based
gpio APIs, so let's stop including this header.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220926054421.1546436-3-dmitry.torokhov@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, netfilter and can.
Current release - regressions:
- bpf: synchronize dispatcher update with bpf_dispatcher_xdp_func
- rxrpc:
- fix security setting propagation
- fix null-deref in rxrpc_unuse_local()
- fix switched parameters in peer tracing
Current release - new code bugs:
- rxrpc:
- fix I/O thread startup getting skipped
- fix locking issues in rxrpc_put_peer_locked()
- fix I/O thread stop
- fix uninitialised variable in rxperf server
- fix the return value of rxrpc_new_incoming_call()
- microchip: vcap: fix initialization of value and mask
- nfp: fix unaligned io read of capabilities word
Previous releases - regressions:
- stop in-kernel socket users from corrupting socket's task_frag
- stream: purge sk_error_queue in sk_stream_kill_queues()
- openvswitch: fix flow lookup to use unmasked key
- dsa: mv88e6xxx: avoid reg_lock deadlock in mv88e6xxx_setup_port()
- devlink:
- hold region lock when flushing snapshots
- protect devlink dump by the instance lock
Previous releases - always broken:
- bpf:
- prevent leak of lsm program after failed attach
- resolve fext program type when checking map compatibility
- skbuff: account for tail adjustment during pull operations
- macsec: fix net device access prior to holding a lock
- bonding: switch back when high prio link up
- netfilter: flowtable: really fix NAT IPv6 offload
- enetc: avoid buffer leaks on xdp_do_redirect() failure
- unix: fix race in SOCK_SEQPACKET's unix_dgram_sendmsg()
- dsa: microchip: remove IRQF_TRIGGER_FALLING in
request_threaded_irq"
* tag 'net-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits)
net: fec: check the return value of build_skb()
net: simplify sk_page_frag
Treewide: Stop corrupting socket's task_frag
net: Introduce sk_use_task_frag in struct sock.
mctp: Remove device type check at unregister
net: dsa: microchip: remove IRQF_TRIGGER_FALLING in request_threaded_irq
can: kvaser_usb: hydra: help gcc-13 to figure out cmd_len
can: flexcan: avoid unbalanced pm_runtime_enable warning
Documentation: devlink: add missing toc entry for etas_es58x devlink doc
mctp: serial: Fix starting value for frame check sequence
nfp: fix unaligned io read of capabilities word
net: stream: purge sk_error_queue in sk_stream_kill_queues()
myri10ge: Fix an error handling path in myri10ge_probe()
net: microchip: vcap: Fix initialization of value and mask
rxrpc: Fix the return value of rxrpc_new_incoming_call()
rxrpc: rxperf: Fix uninitialised variable
rxrpc: Fix I/O thread stop
rxrpc: Fix switched parameters in peer tracing
rxrpc: Fix locking issues in rxrpc_put_peer_locked()
rxrpc: Fix I/O thread startup getting skipped
...
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Now that in-kernel socket users that may recurse during reclaim have benn
converted to sk_use_task_frag = false, we can have sk_page_frag() simply
check that value.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sockets that can be used while recursing into memory reclaim, like
those used by network block devices and file systems, mustn't use
current->task_frag: if the current process is already using it, then
the inner memory reclaim call would corrupt the task_frag structure.
To avoid this, sk_page_frag() uses ->sk_allocation to detect sockets
that mustn't use current->task_frag, assuming that those used during
memory reclaim had their allocation constraints reflected in
->sk_allocation.
This unfortunately doesn't cover all cases: in an attempt to remove all
usage of GFP_NOFS and GFP_NOIO, sunrpc stopped setting these flags in
->sk_allocation, and used memalloc_nofs critical sections instead.
This breaks the sk_page_frag() heuristic since the allocation
constraints are now stored in current->flags, which sk_page_frag()
can't read without risking triggering a cache miss and slowing down
TCP's fast path.
This patch creates a new field in struct sock, named sk_use_task_frag,
which sockets with memory reclaim constraints can set to false if they
can't safely use current->task_frag. In such cases, sk_page_frag() now
always returns the socket's page_frag (->sk_frag). The first user is
sunrpc, which needs to avoid using current->task_frag but can keep
->sk_allocation set to GFP_KERNEL otherwise.
Eventually, it might be possible to simplify sk_page_frag() by only
testing ->sk_use_task_frag and avoid relying on the ->sk_allocation
heuristic entirely (assuming other sockets will set ->sk_use_task_frag
according to their constraints in the future).
The new ->sk_use_task_frag field is placed in a hole in struct sock and
belongs to a cache line shared with ->sk_shutdown. Therefore it should
be hot and shouldn't have negative performance impacts on TCP's fast
path (sk_shutdown is tested just before the while() loop in
tcp_sendmsg_locked()).
Link: https://lore.kernel.org/netdev/b4d8cb09c913d3e34f853736f3f5628abfd7f4b6.1656699567.git.gnault@redhat.com/
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix the switched parameters on rxrpc_alloc_peer() and rxrpc_get_peer().
The ref argument and the why argument got mixed.
Fixes: 47c810a79844 ("rxrpc: trace: Don't use __builtin_return_address for rxrpc_peer tracing")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull vfsuid cleanup from Christian Brauner:
"This moves the ima specific vfs{g,u}id_t comparison helpers out of the
header and into the one file in ima where they are used.
We shouldn't incentivize people to use them by placing them into the
header. As discussed and suggested by Linus in [1] let's just define
them locally in the one file in ima where they are used"
Link: https://lore.kernel.org/lkml/CAHk-=wj4BpEwUd=OkTv1F9uykvSrsBNZJVHMp+p_+e2kiV71_A@mail.gmail.com [1]
* tag 'fs.vfsuid.ima.v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
mnt_idmapping: move ima-only helpers to ima
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The vfs{g,u}id_{gt,lt}_* helpers are currently not needed outside of
ima and we shouldn't incentivize people to use them by placing them into
the header. Let's just define them locally in the one file in ima where
they are used.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull more random number generator updates from Jason Donenfeld:
"Two remaining changes that are now possible after you merged a few
other trees:
- #include <asm/archrandom.h> can be removed from random.h now,
making the direct use of the arch_random_* API more of a private
implementation detail between the archs and random.c, rather than
something for general consumers.
- Two additional uses of prandom_u32_max() snuck in during the
initial phase of pulls, so these have been converted to
get_random_u32_below(), and now the deprecated prandom_u32_max()
alias -- which was just a wrapper around get_random_u32_below() --
can be removed.
In addition, there is one fix:
- Check efi_rt_services_supported() before attempting to use an EFI
runtime function.
This affected EFI systems that disable runtime services yet still
boot via EFI (e.g. the reporter's Lenovo Thinkpad X13s laptop), as
well systems where EFI runtime services have been forcibly
disabled, such as on PREEMPT_RT.
On those machines, a very early and hard to diagnose crash would
happen, preventing boot"
* tag 'random-6.2-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
prandom: remove prandom_u32_max()
efi: random: fix NULL-deref when refreshing seed
random: do not include <asm/archrandom.h> from random.h
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Convert the final two users of prandom_u32_max() that slipped in during
6.2-rc1 to use get_random_u32_below().
Then, with no more users left, we can finally remove the deprecated
function.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The <asm/archrandom.h> header is a random.c private detail, not
something to be called by other code. As such, don't make it
automatically available by way of random.h.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are only three fairly simple patches.
The #include change to linux/swab.h addresses a userspace build issue,
and the change to the mmio tracing logic helps provide more useful
traces"
* tag 'asm-generic-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
uapi: Add missing _UAPI prefix to <asm-generic/types.h> include guard
asm-generic/io: Add _RET_IP_ to MMIO trace for more accurate debug info
include/uapi/linux/swab: Fix potentially missing __always_inline
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Due to compiler optimizations like inlining, there are cases where
MMIO traces using _THIS_IP_ for caller information might not be
sufficient to provide accurate debug traces.
1) With optimizations (Seen with GCC):
In this case, _THIS_IP_ works fine and prints the caller information
since it will be inlined into the caller and we get the debug traces
on who made the MMIO access, for ex:
rwmmio_read: qcom_smmu_tlb_sync+0xe0/0x1b0 width=32 addr=0xffff8000087447f4
rwmmio_post_read: qcom_smmu_tlb_sync+0xe0/0x1b0 width=32 val=0x0 addr=0xffff8000087447f4
2) Without optimizations (Seen with Clang):
_THIS_IP_ will not be sufficient in this case as it will print only
the MMIO accessors itself which is of not much use since it is not
inlined as below for example:
rwmmio_read: readl+0x4/0x80 width=32 addr=0xffff8000087447f4
rwmmio_post_read: readl+0x48/0x80 width=32 val=0x4 addr=0xffff8000087447f4
So in order to handle this second case as well irrespective of the compiler
optimizations, add _RET_IP_ to MMIO trace to make it provide more accurate
debug information in all these scenarios.
Before:
rwmmio_read: readl+0x4/0x80 width=32 addr=0xffff8000087447f4
rwmmio_post_read: readl+0x48/0x80 width=32 val=0x4 addr=0xffff8000087447f4
After:
rwmmio_read: qcom_smmu_tlb_sync+0xe0/0x1b0 -> readl+0x4/0x80 width=32 addr=0xffff8000087447f4
rwmmio_post_read: qcom_smmu_tlb_sync+0xe0/0x1b0 -> readl+0x4/0x80 width=32 val=0x0 addr=0xffff8000087447f4
Fixes: 210031971cdd ("asm-generic/io: Add logging support for MMIO accessors")
Signed-off-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit bc27fb68aaad ("include/uapi/linux/byteorder, swab: force inlining
of some byteswap operations") added __always_inline to swab functions
and commit 283d75737837 ("uapi/linux/stddef.h: Provide __always_inline to
userspace headers") added a definition of __always_inline for use in
exported headers when the kernel's compiler.h is not available.
However, since swab.h does not include stddef.h, if the header soup does
not indirectly include it, the definition of __always_inline is missing,
resulting in a compilation failure, which was observed compiling the
perf tool using exported headers containing this commit:
In file included from /usr/include/linux/byteorder/little_endian.h:12:0,
from /usr/include/asm/byteorder.h:14,
from tools/include/uapi/linux/perf_event.h:20,
from perf.h:8,
from builtin-bench.c:18:
/usr/include/linux/swab.h:160:8: error: unknown type name `__always_inline'
static __always_inline __u16 __swab16p(const __u16 *p)
Fix this by replacing the inclusion of linux/compiler.h with
linux/stddef.h to ensure that we pick up that definition if required,
without relying on it's indirect inclusion. compiler.h is then included
indirectly, via stddef.h.
Fixes: 283d75737837 ("uapi/linux/stddef.h: Provide __always_inline to userspace headers")
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Petr Vaněk <arkamar@atlas.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull zstd updates from Nick Terrell:
"Update the kernel to upstream zstd v1.5.2 [0]. Specifically to the tag
v1.5.2-kernel [1] which includes several cherrypicked fixes for the
kernel on top of v1.5.2.
Excepting the MAINTAINERS change, all the changes in this can be
generated by:
git clone https://github.com/facebook/zstd
cd zstd/contrib/linux-kernel
git checkout v1.5.2-kernel
LINUX=/path/to/linux/repo make import
Additionally, this includes several minor typo fixes, which have all
been fixed upstream so they are maintained on the next import"
Link: https://github.com/facebook/zstd/releases/tag/v1.5.2 [0]
Link: https://github.com/facebook/zstd/tree/v1.5.2-kernel [1]
Link: https://lore.kernel.org/lkml/20221024202606.404049-1-nickrterrell@gmail.com/
Link: https://github.com/torvalds/linux/commit/637a642f5ca5e850186bb64ac75ebb0f124b458d
* tag 'zstd-linus-v6.2' of https://github.com/terrelln/linux:
zstd: import usptream v1.5.2
zstd: Move zstd-common module exports to zstd_common_module.c
lib: zstd: Fix comment typo
lib: zstd: fix repeated words in comments
MAINTAINERS: git://github -> https://github.com for terrelln
lib: zstd: clean up double word in comment.
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Updates the kernel's zstd library to v1.5.2, the latest zstd release.
The upstream tag it is updated to is `v1.5.2-kernel`, which contains
several cherry-picked commits on top of the v1.5.2 release which are
required for the kernel update. I will create this tag once the PR is
ready to merge, until then reference the temporary upstream branch
`v1.5.2-kernel-cherrypicks`.
I plan to submit this patch as part of the v6.2 merge window.
I've done basic build testing & testing on x86-64, i386, and aarch64.
I'm merging these patches into my `zstd-next` branch, which is pulled
into `linux-next` for further testing.
I've benchmarked BtrFS with zstd compression on a x86-64 machine, and
saw these results. Decompression speed is a small win across the board.
The lower compression levels 1-4 see both compression speed and
compression ratio wins. The higher compression levels see a small
compression speed loss and about neutral ratio. I expect the lower
compression levels to be used much more heavily than the high
compression levels, so this should be a net win.
Level CTime DTime Ratio
1 -2.95% -1.1% -0.7%
3 -3.5% -1.2% -0.5%
5 +3.7% -1.0% +0.0%
7 +3.2% -0.9% +0.0%
9 -4.3% -0.8% +0.1%
Signed-off-by: Nick Terrell <terrelln@fb.com>
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Remove the second 'a' and 'into'.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Nick Terrell <terrelln@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support:
- Qualcomm SDM670, SM6115 and SM6375 GPI controller support
- Ingenic JZ4755 dmaengine support
- Removal of iop-adma driver
Updates:
- Tegra support for dma-channel-mask
- at_hdmac cleanup and virt-chan support for this driver"
* tag 'dmaengine-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (46 commits)
dmaengine: Revert "dmaengine: remove s3c24xx driver"
dmaengine: tegra: Add support for dma-channel-mask
dt-bindings: dmaengine: Add dma-channel-mask to Tegra GPCDMA
dmaengine: idxd: Remove linux/msi.h include
dt-bindings: dmaengine: qcom: gpi: add compatible for SM6375
dmaengine: idxd: Fix crc_val field for completion record
dmaengine: at_hdmac: Convert driver to use virt-dma
dmaengine: at_hdmac: Remove unused member of at_dma_chan
dmaengine: at_hdmac: Rename "chan_common" to "dma_chan"
dmaengine: at_hdmac: Rename "dma_common" to "dma_device"
dmaengine: at_hdmac: Use bitfield access macros
dmaengine: at_hdmac: Keep register definitions and structures private to at_hdmac.c
dmaengine: at_hdmac: Set include entries in alphabetic order
dmaengine: at_hdmac: Use pm_ptr()
dmaengine: at_hdmac: Use devm_clk_get()
dmaengine: at_hdmac: Use devm_platform_ioremap_resource
dmaengine: at_hdmac: Use devm_kzalloc() and struct_size()
dmaengine: at_hdmac: Introduce atc_get_llis_residue()
dmaengine: at_hdmac: s/atc_get_bytes_left/atc_get_residue
dmaengine: at_hdmac: Pass residue by address to avoid unnecessary implicit casts
...
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This reverts cccc46ae3623 ("dmaengine: remove s3c24xx driver") as it
causes regression due to missing header
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The crc_val in the completion record should be 64 bits and not 32 bits.
Fixes: 4ac823e9cd85 ("dmaengine: idxd: fix delta_rec and crc size field for completion record")
Reported-by: Nirav N Shah <nirav.n.shah@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20221111012715.2031481-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Merge due to at_hdmac driver dependency
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The s3c24xx platform was removed and this driver is no longer
needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221021203329.4143397-14-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"This include bunch of Intel driver code reorganization and support for
qcom v1.7.0 controller:
- intel: reorganization of hw_ops callbacks, splitting files etc
- qcom: support for v1.7.0 qcom controllers"
* tag 'soundwire-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel: split auxdevice to different file
soundwire: intel: add in-band wake callbacks in hw_ops
soundwire: intel: add link power management callbacks in hw_ops
soundwire: intel: add bus management callbacks in hw_ops
soundwire: intel: add register_dai callback in hw_ops
soundwire: intel: add debugfs callbacks in hw_ops
soundwire: intel: start using hw_ops
dt-bindings: soundwire: Convert text bindings to DT Schema
soundwire: cadence: use dai_runtime_array instead of dma_data
soundwire: cadence: rename sdw_cdns_dai_dma_data as sdw_cdns_dai_runtime
soundwire: qcom: add support for v1.7 Soundwire Controller
dt-bindings: soundwire: qcom: add v1.7.0 support
soundwire: qcom: make reset optional for v1.6 controller
soundwire: qcom: remove unused SWRM_SPECIAL_CMD_ID
soundwire: dmi-quirks: add quirk variant for LAPBC710 NUC15
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No functionality change, only add indirection for in-band wake
management helpers.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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No functionality change, only add indirection for link power
management helpers.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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No functionality change, only add indirection for bus management
helpers.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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No functionality change, only add indirection for DAI registration
helper.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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No functionality change, only add indirection for debugfs helpers.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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