Fix a malformed MODULE_AUTHOR macro in the RZ/G3E USB3.0 PHY driver where
the author's name and opening angle bracket were missing, leaving only the
email address with a stray closing >. Correct it to the standard Name
<email> format.
Reported-by: Pavel Machek <pavel@nabladev.com>
Closes: https://lore.kernel.org/all/abp4KprlYyU+jMPu@duo.ucw.cz/
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20260319063211.5056-1-biju.das.jz@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
On Layerscape, some Lynx SerDes consumers go through the PHY framework
(we call these 'managed' for the sake of this discussion; they are some
Ethernet lanes), and some consumers don't go through the PHY framework
(we call these 'unmanaged'; they are some unconverted Ethernet lanes,
plus all SATA and PCIe controllers).
A lane is initially unmanaged, and becomes managed when phy_init() is
called on it. Similarly, it becomes unmanaged again when phy_exit() is
called.
Managed lanes are supposed to have power management through
phy_power_on() and phy_power_off().
The lynx-28g SerDes driver, when it probes, probes on all lanes, but
needs to be careful to keep the unmanaged lanes powered on, because
those might be in use by consumers unaware that they need to call
phy_init() and phy_power_on(). This also applies after phy_exit() is
called - no guarantee is made about how the port may be used
afterwards - may be DPDK, may be something else which is unaware of
the PHY framework.
Given this state table:
State | Consumer calls phy_exit()? | Provider implements phy_exit()?
-------+----------------------------+--------------------------------
(a) | no | no
(b) | no | yes
(c) | yes | no
(d) | yes | yes
we are currently in state (a). This has the problem that when the
consumer fails to probe with -EPROBE_DEFER or is otherwise unbound,
the phy->init_count remains elevated and the lane never returns to the
unmanaged state (temporarily or not) as it should. Furthermore, the
second and subsequent phy_init() consumer calls are never passed on to
the provider driver.
We solve the above problem by implementing phy_exit() in the consumer,
and that moves us to state (c). But this creates the problem that a
balanced set of phy_init() and phy_exit() calls from the consumer will
effectively result in multiple lynx_28g_init() calls as seen by the
SerDes and nothing else - as the optional phy_ops :: exit() is not
implemented. But that actually doesn't work - the 28G Lynx SerDes can't
power down a lane which is already powered down; that call sequence
would time out and fail.
So actually we want to be in state (d), where both the provider and the
consumer implement phy_exit(). But we can only do that safely through
intermediary state (b), where the provider implements it first. This
effectively behaves just like (a), except it offers a safe migration
path for the consumer to call phy_exit() as mandated by the Generic PHY
API.
Extra development notes: ignoring the lynx_28g_power_on() error in
lynx_28g_exit() is a deliberate decision. The consumer can't deal with a
teardown path that is not error-free. Ignoring the error is not silent:
lynx_28g_power_on() -> lynx_28g_lane_reset() will print on failure.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20260321011451.1557091-4-vladimir.oltean@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The current procedure for power_off() and power_on() is the same as the
one used for major lane reconfiguration, aka halting. But this is
incorrect.
One would expect that a powered off lane causes the CDR (clock and data
recovery) loop of the link partner to lose lock onto its RX stream
(which suggests there are no longer any bit transitions => the channel
is inactive). However, it can be observed that this does not take place
(the CDR lock is still there), which means that a halted lane is not
powered off.
Implement the procedure mentioned in the block guide for powering down
a lane, and then back on. This means:
- lynx_28g_power_off() currently emits a HLT_REQ and waits for it to
clear. Rename it to lynx_28g_lane_halt() and keep using it for
lynx_28g_set_mode().
- lynx_28g_power_on() currently emits a RST_REQ and waits for it to
clear. This is the reset procedure - rename it to
lynx_28g_lane_reset(), and keep using it for lynx_28g_set_mode().
The "real" lynx_28g_power_off() should emit a STP_REQ and wait for it to
clear. And the "real" lynx_28g_power_on() should clear the DIS bit and
then perform a lane reset. Hook these methods to the phy_ops ::
power_off() and power_on() instead.
As opposed to lynx_28g_power_off() which is also directly hooked to the
PHY API, lynx_28g_lane_halt() isn't; just to lynx_28g_set_mode(), and
the call is being made in a state where we haven't yet made any change
to the lane. So it does make some limited amount of sense to code this
up such that if it fails, we make an attempt to reset the lane anyway
and let the consumer know that phy_set_mode_ext() failed.
Sort the field definitions in LNaTRSTCTL and LNaRRSTCTL in descending
order, and add new definitions for STP_REQ and DIS, previously unused.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20260321011451.1557091-3-vladimir.oltean@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There are various circumstances in which a lane halt, or a lane reset,
will fail to complete. If this happens, it will hang the kernel, which
only implements a busy loop with no timeout.
The circumstances in which this will happen are all bugs in nature:
- if we try to power off a powered off lane
- if we try to power off a lane that uses a PLL locked onto the wrong
refclk frequency (wrong RCW, but SoC boots anyway)
Actually, unbounded loops in the kernel are a bad practice, so let's use
read_poll_timeout() with a custom function that reads both LNaTRSTCTL
(lane transmit control register) and LNaRRSTCTL (lane receive control
register) and returns true when the request is done in both directions.
The HLT_REQ bit has to clear, whereas the RST_DONE bit has to get set.
Any time such an error happens, it is catastrophic and there is no point
in trying to propagate it to our callers:
- if lynx_28g_set_mode() -> lynx_28g_power_on() times out, we have
already reconfigured the lane, but returning an error would tell the
caller that we didn't
- if lynx_28g_power_off() times out, again not much for the consumer to
do to help get out of this situation - the phy_power_off() call is
probably made from a context that the consumer can't cancel, or it is
making it to return to a known state from a previous failure.
So just print an error if timeouts happen and let the driver control
flow continue. The entire point is just to not let the kernel freeze.
Suggested-by: Josua Mayer <josua@solid-run.com>
Link: https://lore.kernel.org/lkml/d0c8bbf8-a0c5-469f-a148-de2235948c0f@solid-run.com/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260321011451.1557091-2-vladimir.oltean@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
A repeater is not required for the PHY to function. On systems with
multiple PHY instances connected to a multi-port controller, some PHYs
may be unconnected. All PHYs must still probe successfully even without
attached repeaters, otherwise the controller probe fails.
So make it optional.
Signed-off-by: Wesley Cheng <wesley.cheng@oss.qualcomm.com>
[abel.vesa@oss.qualcomm.com: commit re-worded to reflect actual reason]
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20260302-phy-qcom-m31-eusb2-make-repeater-optional-v2-1-dbf714c72056@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The initial sa8775p eDP PHY binding contribution missed adding support for
voting on the eDP reference clock. This went unnoticed because the UFS PHY
driver happened to enable the same clock.
After commit 77d2fa54a9 ("scsi: ufs: qcom : Refactor phy_power_on/off
calls"), the eDP reference clock is no longer kept enabled, which results
in the following PHY power-on failure:
phy phy-aec2a00.phy.10: phy poweron failed --> -110
To fix this, explicit voting for the eDP reference clock is required.
This patch adds the eDP reference clock for sa8775p eDP PHY and updates
the corresponding example node.
Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260128114853.2543416-2-quic_riteshk@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit 81791c45c8 ("phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config
and DP mode support") chose to name QCS615 DP PHY variables/functions
with qmp_v2 prefix, by assuming that QMP PHY registers are versioned
as a whole. However, the reality is that the registers are versioned
in sub-modules like QSERDES COM and QSERDES TXRX respectively, e.g.
QCS615 DP PHY has registers of QSERDES COM v2 and QSERDES TXRX v3.
Thus it may cause confusion that qmp_v2_xxx table and functions access
QSERDES TXRX v3 registers.
Rename QCS615 DP PHY variables and functions to be prefixed by qcs615
instead of qmp_v2. This better aligns with how the driver names USB3 PHY
variables for QCM2290 etc.
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Link: https://patch.msgid.link/20260314051325.198137-5-shengchao.guo@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The register definitions in header qserdes-txrx-v2 and qserdes-txrx-v3
are actually identical. Considering that QSERDES TX/RX v2 is already
defined by header qserdes-txrx, qserdes-txrx-v2 is really just
a duplication of qserdes-txrx-v3 for QSERDES TX/RX v3. Switch
qcom-qmp-usbc driver to use v3 registers.
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260314051325.198137-4-shengchao.guo@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
As the code comments in the headers say, both qserdes-com and
qserdes-com-v2 define QSERDES COM registers for QMP V2 PHY. Switch
phy-qcom-qmp drivers to use register definitions in qserdes-com-v2
to make the QSERDES COM version explicit.
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260314051325.198137-3-shengchao.guo@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
A few registers that could be used by phy-qcom-qmp drivers are missing
from qserdes-com-v2 header. Add them.
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260314051325.198137-2-shengchao.guo@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
kconfiglint reports:
K006: config PHY_TEGRA_XUSB selects USB_CONN_GPIO which depends on
GPIOLIB, but PHY_TEGRA_XUSB does not depend on GPIOLIB
K002: config PHY_TEGRA_XUSB selects visible symbol USB_CONN_GPIO
which has dependencies
USB_CONN_GPIO was introduced in commit 4602f3bff2 ("usb: common: add USB
GPIO based connection detection driver") with a hard dependency on GPIOLIB,
since it needs GPIO pins to detect USB cable connection state.
Commit f67213cee2 ("phy: tegra: xusb: Add usb-role-switch support") added
`select USB_CONN_GPIO` to PHY_TEGRA_XUSB to support USB role switching via
GPIO-based detection. At that time, PHY_TEGRA_XUSB depended only on
`ARCH_TEGRA`, and both the ARM32 and ARM64 ARCH_TEGRA Kconfig definitions
select GPIOLIB, so the missing explicit GPIOLIB guard was not a functional
problem — GPIOLIB is always available when ARCH_TEGRA is enabled.
Later, commit 0d5c9bc7c6 ("phy: tegra: Select USB_COMMON for
usb_get_maximum_speed()") added `depends on USB_SUPPORT` but still did not
address the GPIOLIB gap.
The select can force USB_CONN_GPIO on without its GPIOLIB dependency being
satisfied if the Kconfig dependencies were ever restructured. Make the
select conditional with `select USB_CONN_GPIO if GPIOLIB` to make the
dependency explicit. This mirrors how other drivers handle optional
GPIO-dependent selects throughout the kernel.
Assisted-by: Claude:claude-opus-4-6 kconfiglint
Signed-off-by: Sasha Levin <sashal@kernel.org>
Link: https://patch.msgid.link/20260426000309.54959-1-sashal@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Document the compatible for the USB QMP PHY found on the Qualcomm Eliza
SoC.
It is fully compatible with the one found on Qualcomm SM8650, so add it
with the SM8650 as fallback.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://patch.msgid.link/20260504-eliza-bindings-qmp-phy-v2-1-849c4de8d75f@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Synopsys eUSB2 PHY found on the Eliza SoC is fully compatible with the
one found the SM8550.
So document it by adding the compatible to the list that has the SM8550
one as fallback.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://patch.msgid.link/20260504-eliza-bindings-phy-eusb2-v2-1-fa3a1fd65ab1@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The J722S gmii-sel is mostly identical to the AM64's, but additionally
supports SGMII. The AM64 compatible ti,am654-phy-gmii-sel is used as a
fallback.
Signed-off-by: Nora Schiffer <nora.schiffer@ew.tq-group.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/b67c8b0bc9cc918667e9329d79f617d033d025d5.1775559102.git.nora.schiffer@ew.tq-group.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Read USB2_ADPCTRL once in rcar_gen3_check_id() instead of issuing
multiple MMIO reads, and derive both IDDIG and VBUSVALID from the same
value.
Drop the redundant !! operator, as assigning a masked u32 value to a
bool already performs the required normalization. Simplify the logic by
comparing the ID and VBUS status directly, which is equivalent to the
previous conditional but easier to follow.
Reported-by: Pavel Machek <pavel@nabladev.com>
Closes: https://lore.kernel.org/all/acJVCOdlchLiSe5n@duo.ucw.cz/
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260325112039.464992-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
checkpatch reports an improper SPDX comment style for this header:
WARNING: Improper SPDX comment style for
'drivers/phy/phy-airoha-pcie-regs.h', please use '/*' instead
Per Documentation/process/license-rules.rst, C header files must use the
'/* SPDX-License-Identifier: ... */' form instead of the '// ....' form
used in C source files. Fix it.
Signed-off-by: Aditya Dabhade <aditya.dabhade066@gmail.com>
Link: https://patch.msgid.link/20260428193459.5865-1-aditya.dabhade066@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Raspberry Pi 3B by marking the VEC clk critical so it doesn't get
turned off and hang the bus.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One more fix for the merge window to avoid a boot hang on
Raspberry Pi 3B by marking the VEC clk critical so that it
doesn't get turned off and hang the bus"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: bcm: rpi: Mark VEC clock as CLK_IGNORE_UNUSED
- Drop class_create() for the "tsm" class
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Merge tag 'tsm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
Pull PCIe TSP update from Dan Williams:
"A small update for the TSM core. It is arguably a fix and coming in
late as I have been offline the past few weeks:
- Drop class_create() for the 'tsm' class"
* tag 'tsm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm:
virt: coco: change tsm_class to a const struct
- kbuild: builddeb - avoid recompiles for non-cross-compiles
Avoid triggering complete rebuilds for non-cross-compile Debian
package builds by only triggering the rebuild of host tools for
actual cross-compile builds.
- kbuild: Never respect CONFIG_WERROR / W=e to fixdep
Avoid spurious rebuilds of fixdep w/ and w/o -Werror during a single
kbuild invocation by never respecting CONFIG_WERROR for fixdep.
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Mathias Krause <minipli@grsecurity.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
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Merge tag 'kbuild-fixes-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nicolas Schier:
- builddeb - avoid recompiles for non-cross-compiles
Avoid triggering complete rebuilds for non-cross-compile Debian
package builds by only triggering the rebuild of host tools for
actual cross-compile builds
- Never respect CONFIG_WERROR / W=e to fixdep
Avoid spurious rebuilds of fixdep w/ and w/o -Werror during a single
kbuild invocation by never respecting CONFIG_WERROR for fixdep
* tag 'kbuild-fixes-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: Never respect CONFIG_WERROR / W=e to fixdep
kbuild: builddeb - avoid recompiles for non-cross-compiles
Subsystem:
- add data_race() in rtc_dev_poll()
Drivers:
- remove i2c_match_id usage
- abx80x: Disable alarm feature if no interrupt attached
- ti-k3: support resuming from IO DDR low power mode
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Merge tag 'rtc-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- add data_race() in rtc_dev_poll()
Drivers:
- remove i2c_match_id usage
- abx80x: Disable alarm feature if no interrupt attached
- ti-k3: support resuming from IO DDR low power mode"
* tag 'rtc-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: abx80x: Disable alarm feature if no interrupt attached
rtc: ntxec: fix OF node reference imbalance
rtc: pic32: allow driver to be compiled with COMPILE_TEST
rtc: ti-k3: Add support to resume from IO DDR low power mode
rtc: cmos: Use platform_get_irq_optional() in cmos_platform_probe()
dt-bindings: rtc: add olpc,xo1-rtc to trivial-rtc
dt-bindings: rtc: sc2731: Add compatible for SC2730
rtc: add data_race() in rtc_dev_poll()
rtc: armada38x: zalloc + calloc to single allocation
dt-bindings: rtc: isl12026: convert to YAML schema
dt-bindings: rtc: microcrystal,rv3028: Allow to specify vdd-supply
rtc: max77686: convert to i2c_new_ancillary_device
dt-bindings: rtc: mpfs-rtc: permit resets
rtc: rx8025: Remove use of i2c_match_id()
rtc: rv8803: Remove use of i2c_match_id()
rtc: rs5c372: Remove use of i2c_match_id()
rtc: pcf2127: Remove use of i2c_match_id()
rtc: m41t80: Remove use of i2c_match_id()
rtc: abx80x: Remove use of i2c_match_id()
mentioning separately: Rafael's commit converting tpm_crb from ACPI driver
to a platform driver. Starting from this release cycle, the branch with TPM
changes mirrored to next is 'for-next-tpm', and patches for keys have their
own separate 'for-next-keys' branch.
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Merge tag 'for-next-tpm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"Here are the accumulated fixes for 7.1-rc1 and a single structural
change worth mentioning separately: Rafael's commit converting tpm_crb
from ACPI driver to a platform driver"
* tag 'for-next-tpm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: tpm_tis: stop transmit if retries are exhausted
tpm: tpm_tis: add error logging for data transfer
tpm: avoid -Wunused-but-set-variable
tpm: Use kfree_sensitive() to free auth session in tpm_dev_release()
tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public()
tpm: Fix auth session leak in tpm2_get_random() error path
tpm: i2c: atmel: fix block comment formatting
tpm_crb: Convert ACPI driver to a platform one
tpm: Make tcpci_pm_ops variable static const
Since v2025.11.22:
Initial SoC Slider support
SoC Slider is an SoC-wide power/performance policy setting.
On SoC Slider systems, EPP plays a diminished role.
Whitespace cleanup via: indent -npro -kr -i8 -ts8 -sob -l160 -ss -ncs -cp1
No functional changes
Signed-off-by: Len Brown <len.brown@intel.com>
x86_energy_perf_policy accesses the SoC Slider via standard
user/kernel APIs to the processor_thermal_soc_slider driver.
Machines that support SoC Slider largely use it instead of EPP,
which may continue to exist in a diminished role, or vanish entirely.
Signed-off-by: Len Brown <len.brown@intel.com>
When processor_thermal_soc_slider is loaded, its slider
and offset modparams are visible. Check that the driver
actually registered the profile named "SoC Slider" before
reading or writing these modparams.
n.b. This utility allows writing the Slider and Offset modparams
even if the driver policy is not "balanced". Currently the
processor_thermal_soc_slider consults those modparams
only in "balanced" mode.
Signed-off-by: Len Brown <len.brown@intel.com>
On Raspberry Pi 3B, the VEC clock is used by the VideoCore firmware
display driver, which remains active until the vc4 driver loads and
sends NOTIFY_DISPLAY_DONE. If this clock is disabled during boot, a bus
lockup happens and the firmware becomes unresponsive, causing a complete
system lockup.
Mark the VEC clock with CLK_IGNORE_UNUSED so it survives the unused
clock disablement and remains available until the vc4 driver takes over
display management.
Fixes: 672299736a ("clk: bcm: rpi: Manage clock rate in prepare/unprepare callbacks")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/r/5f0bec08-f458-4fba-8bf3-06817a100c4c@sirena.org.uk
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patch.msgid.link/20260401111416.562279-2-mcanal@igalia.com
Tested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Brian Masney <bmasney@redhat.com> # Active contributor to clk
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Several development updates for 7.1-rc1:
- fix a race condition handling PG_dcache_clean
- further cleanups for the fault handling, allowing RT to be enabled
- fixing nzones validation in adfs filesystem driver
- fix for module unwinding
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull ARM updates from Russell King:
- fix a race condition handling PG_dcache_clean
- further cleanups for the fault handling, allowing RT to be enabled
- fixing nzones validation in adfs filesystem driver
- fix for module unwinding
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9463/1: Allow to enable RT
ARM: 9472/1: fix race condition on PG_dcache_clean in __sync_icache_dcache()
ARM: 9471/1: module: fix unwind section relocation out of range error
fs/adfs: validate nzones in adfs_validate_bblk()
ARM: provide individual is_translation_fault() and is_permission_fault()
ARM: move FSR fault status definitions before fsr_fs()
ARM: use BIT() and GENMASK() for fault status register fields
ARM: move is_permission_fault() and is_translation_fault() to fault.h
ARM: move vmalloc() lazy-page table population
ARM: ensure interrupts are enabled in __do_user_fault()
- Fix accounting of persistent ring buffer rewind
On boot up, the head page is moved back to the earliest point of
the saved ring buffer. This is because the ring buffer being read by
user space on a crash may not save the part it read. Rewinding the head
page back to the earliest saved position helps keep those events from
being lost.
The number of events is also read during boot up and displayed in the
stats file in the tracefs directory. It's also used for other accounting
as well. On boot up, the "reader page" is accounted for but a rewind may
put it back into the buffer and then the reader page may be accounted
for again.
Save off the original reader page and skip accounting it when scanning
the pages in the ring buffer.
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Merge tag 'trace-ring-buffer-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ring-buffer fix from Steven Rostedt:
- Fix accounting of persistent ring buffer rewind
On boot up, the head page is moved back to the earliest point of the
saved ring buffer. This is because the ring buffer being read by user
space on a crash may not save the part it read. Rewinding the head
page back to the earliest saved position helps keep those events from
being lost.
The number of events is also read during boot up and displayed in the
stats file in the tracefs directory. It's also used for other
accounting as well. On boot up, the "reader page" is accounted for
but a rewind may put it back into the buffer and then the reader page
may be accounted for again.
Save off the original reader page and skip accounting it when
scanning the pages in the ring buffer.
* tag 'trace-ring-buffer-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Do not double count the reader_page
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Merge tag 'block-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Series for zloop, fixing a variety of issues
- t10-pi code cleanup
- Fix for a merge window regression with the bio memory allocation mask
- Fix for a merge window regression in ublk, caused by an issue with
the maple tree iteration code at teardown
- ublk self tests additions
- Zoned device pgmap fixes
- Various little cleanups and fixes
* tag 'block-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (21 commits)
Revert "floppy: fix reference leak on platform_device_register() failure"
ublk: avoid unpinning pages under maple tree spinlock
ublk: refactor common helper ublk_shmem_remove_ranges()
ublk: fix maple tree lockdep warning in ublk_buf_cleanup
selftests: ublk: add ublk auto integrity test
selftests: ublk: enable test_integrity_02.sh on fio 3.42
selftests: ublk: remove unused argument to _cleanup
block: only restrict bio allocation gfp mask asked to block
block/blk-throttle: Add WQ_PERCPU to alloc_workqueue users
block: Add WQ_PERCPU to alloc_workqueue users
block: relax pgmap check in bio_add_page for compatible zone device pages
block: add pgmap check to biovec_phys_mergeable
floppy: fix reference leak on platform_device_register() failure
ublk: use unchecked copy helpers for bio page data
t10-pi: reduce ref tag code duplication
zloop: remove irq-safe locking
zloop: factor out zloop_mark_{full,empty} helpers
zloop: set RQF_QUIET when completing requests on deleted devices
zloop: improve the unaligned write pointer warning
zloop: use vfs_truncate
...
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Merge tag 'io_uring-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a NOMMU bug with io_uring, where NOMMU doesn't grab page refs
at mmap time. NOMMU also has entirely broken FOLL_PIN support, yet
here we are
- A few fixes covering minor issues introduced in this merge window
- data race annotation to shut up KCSAN for when io-wq limits are
applied
- A nospec addition for direct descriptor file updating. Rest of the
direct descriptor path already had this, but for some reason the
update did not. Now they are all the same
- Various minor defensive changes that claude identified and suggested
terrible fixes for, turned into actually useful cleanups:
- Use kvfree() for the imu cache. These can come from kmalloc or
vmalloc depending on size, but the in-cache ones are capped
where it's always kmalloc based. Change to kvfree() in the
cleanup path, making future changes unlikely to mess that up
- Negative kbuf consumption lengths. Can't happen right now, but
cqe->res is used directly, which if other codes changes could
then be an error value
- Fix for an issue with the futex code, where partial wakes on a
vectored fuxes would potentially wake the same futex twice, rather
than move on to the next one. This could confuse an application as it
would've expected the next futex to have been woken
- Fix for a bug with ring resizing, where SQEs or CQEs might not have
been copied correctly if large SQEs or CQEs are used in the ring.
Application side issue, where SQEs or CQEs might have been lost
during resize
- Fix for a bug where EPOLL_URING_WAKE might have been lost, causing a
multishot poll to not be terminated when it's nested, like it should
have been
- Fix for an issue with signed comparison of poll references for the
slow path
- Fix for a user struct UAF in the zcrx code
- Two minor zcrx cleanups
* tag 'io_uring-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: take page references for NOMMU pbuf_ring mmaps
io_uring/poll: ensure EPOLL_ONESHOT is propagated for EPOLL_URING_WAKE
io_uring/zcrx: warn on freelist violations
io_uring/zcrx: clear RQ headers on init
io_uring/zcrx: fix user_struct uaf
io_uring/register: fix ring resizing with mixed/large SQEs/CQEs
io_uring/futex: ensure partial wakes are appropriately dequeued
io_uring/rw: add defensive hardening for negative kbuf lengths
io_uring/rsrc: use kvfree() for the imu cache
io_uring/rsrc: unify nospec indexing for direct descriptors
io_uring: fix spurious fput in registered ring path
io_uring: fix iowq_limits data race in tctx node addition
io_uring/tctx: mark io_wq as exiting before error path teardown
io_uring/tctx: check for setup tctx->io_wq before teardown
io_uring/poll: fix signed comparison in io_poll_get_ownership()
Highlights include:
Bugfixes:
- NFS: Fix handling of ENOSPC so that if we have to resend writes, they
are written synchronously.
- SUNRPC: RDMA transport fixes from Chuck
- NFSv4.2: Several fixes for delegated timestamps
- NFSv4: Failure to obtain a directory delegation should not cause
stat() to fail.
- NFSv4: Rename was failing to update timestamps when a directory
delegation is held.
- NFSv4: Ensure we check rsize/wsize after crossing a NFSv4 filesystem
boundary.
- NFSv4/pnfs: If the server is down, retry the layout returns on reboot
- NFSv4/pnfs: Fallback to MDS could result in a short write being
incorrectly logged.
Cleanups:
- NFS: use memcpy_and_pad in decode_fh
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Merge tag 'nfs-for-7.1-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Bugfixes:
- Fix handling of ENOSPC so that if we have to resend writes, they
are written synchronously
- SUNRPC RDMA transport fixes from Chuck
- Several fixes for delegated timestamps in NFSv4.2
- Failure to obtain a directory delegation should not cause stat() to
fail with NFSv4
- Rename was failing to update timestamps when a directory delegation
is held on NFSv4
- Ensure we check rsize/wsize after crossing a NFSv4 filesystem
boundary
- NFSv4/pnfs:
- If the server is down, retry the layout returns on reboot
- Fallback to MDS could result in a short write being incorrectly
logged
Cleanups:
- Use memcpy_and_pad in decode_fh"
* tag 'nfs-for-7.1-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (21 commits)
NFS: Fix RCU dereference of cl_xprt in nfs_compare_super_address
NFS: remove redundant __private attribute from nfs_page_class
NFSv4.2: fix CLONE/COPY attrs in presence of delegated attributes
NFS: fix writeback in presence of errors
nfs: use memcpy_and_pad in decode_fh
NFSv4.1: Apply session size limits on clone path
NFSv4: retry GETATTR if GET_DIR_DELEGATION failed
NFS: fix RENAME attr in presence of directory delegations
pnfs/flexfiles: validate ds_versions_cnt is non-zero
NFS/blocklayout: print each device used for SCSI layouts
xprtrdma: Post receive buffers after RPC completion
xprtrdma: Scale receive batch size with credit window
xprtrdma: Replace rpcrdma_mr_seg with xdr_buf cursor
xprtrdma: Decouple frwr_wp_create from frwr_map
xprtrdma: Close lost-wakeup race in xprt_rdma_alloc_slot
xprtrdma: Avoid 250 ms delay on backlog wakeup
xprtrdma: Close sendctx get/put race that can block a transport
nfs: update inode ctime after removexattr operation
nfs: fix utimensat() for atime with delegated timestamps
NFS: improve "Server wrote zero bytes" error
...
support for per-subvolume data I/O performance and latency tracking
(metadata operations aren't included) and a good variety of fixes and
cleanups across RBD and CephFS.
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Merge tag 'ceph-for-7.1-rc1' of https://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"We have a series from Alex which extends CephFS client metrics with
support for per-subvolume data I/O performance and latency tracking
(metadata operations aren't included) and a good variety of fixes and
cleanups across RBD and CephFS"
* tag 'ceph-for-7.1-rc1' of https://github.com/ceph/ceph-client:
ceph: add subvolume metrics collection and reporting
ceph: parse subvolume_id from InodeStat v9 and store in inode
ceph: handle InodeStat v8 versioned field in reply parsing
libceph: Fix slab-out-of-bounds access in auth message processing
rbd: fix null-ptr-deref when device_add_disk() fails
crush: cleanup in crush_do_rule() method
ceph: clear s_cap_reconnect when ceph_pagelist_encode_32() fails
ceph: only d_add() negative dentries when they are unhashed
libceph: update outdated comment in ceph_sock_write_space()
libceph: Remove obsolete session key alignment logic
ceph: fix num_ops off-by-one when crypto allocation fails
libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()
- Fix potential data leakage by zeroing the portion of the straddle block
beyond initialized_size when reading non-resident attributes.
- Remove unnecessary zeroing in ntfs_punch_hole() for ranges beyond
initialized_size, as they are already returned as zeros on read.
- Fix writable check in ntfs_file_mmap_prepare() to correctly handle
shared mappings using VMA_SHARED_BIT | VMA_MAYWRITE_BIT.
- Use page allocation instead of kmemdup() for IOMAP_INLINE data to
ensure page-aligned address and avoid BUG trap in
iomap_inline_data_valid() caused by the page boundary check.
- Add a size check before memory allocation in ntfs_attr_readall() and
reject overly large attributes.
- Remove unneeded noop_direct_IO from ntfs_aops as it is no longer
required following the FMODE_CAN_ODIRECT flag.
- Fix seven static analysis warnings reported by Smatch.
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Merge tag 'ntfs-for-7.1-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs
Pull ntfs updates from Namjae Jeon:
- Fix potential data leakage by zeroing the portion of the straddle
block beyond initialized_size when reading non-resident attributes
- Remove unnecessary zeroing in ntfs_punch_hole() for ranges beyond
initialized_size, as they are already returned as zeros on read
- Fix writable check in ntfs_file_mmap_prepare() to correctly handle
shared mappings using VMA_SHARED_BIT | VMA_MAYWRITE_BIT
- Use page allocation instead of kmemdup() for IOMAP_INLINE data to
ensure page-aligned address and avoid BUG trap in
iomap_inline_data_valid() caused by the page boundary check
- Add a size check before memory allocation in ntfs_attr_readall() and
reject overly large attributes
- Remove unneeded noop_direct_IO from ntfs_aops as it is no longer
required following the FMODE_CAN_ODIRECT flag
- Fix seven static analysis warnings reported by Smatch
* tag 'ntfs-for-7.1-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: use page allocation for resident attribute inline data
ntfs: fix mmap_prepare writable check for shared mappings
ntfs: fix potential 32-bit truncation in ntfs_write_cb()
ntfs: fix uninitialized variable in ntfs_map_runlist_nolock
ntfs: delete dead code
ntfs: add missing error code in ntfs_mft_record_alloc()
ntfs: fix uninitialized variables in ntfs_ea_set_wsl_inode()
ntfs: fix uninitialized pointer in ntfs_write_mft_block
ntfs: fix uninitialized variable in ntfs_write_simple_iomap_begin_non_resident
ntfs: remove noop_direct_IO from address_space_operations
ntfs: limit memory allocation in ntfs_attr_readall
ntfs: not zero out range beyond init in punch_hole
ntfs: zero out stale data in straddle block beyond initialized_size
- some minor cleanup
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Merge tag '9p-for-7.1-rc1' of https://github.com/martinetd/linux
Pull 9p updates from Dominique Martinet:
- 9p access flag fix (cannot change access flag since new mount API implem)
- some minor cleanup
* tag '9p-for-7.1-rc1' of https://github.com/martinetd/linux:
9p/trans_xen: replace simple_strto* with kstrtouint
9p/trans_xen: make cleanup idempotent after dataring alloc errors
9p: document missing enum values in kernel-doc comments
9p: fix access mode flags being ORed instead of replaced
9p: fix memory leak in v9fs_init_fs_context error path
Here is a single SPDX-like change for 7.1-rc1. It explicitly allows the
use of SPDX-FileCopyrightText which has been used already in many files.
At the same time, update checkpatch to catch any "non allowed" spdx
identifiers as we don't want to go overboard here.
This has been in linux-next for a long time with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX update from Greg KH:
"Here is a single SPDX-like change for 7.1-rc1. It explicitly allows
the use of SPDX-FileCopyrightText which has been used already in many
files.
At the same time, update checkpatch to catch any "non allowed" spdx
identifiers as we don't want to go overboard here.
This has been in linux-next for a long time with no reported problems"
* tag 'spdx-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
LICENSES: Explicitly allow SPDX-FileCopyrightText
Here is the char/misc/iio and other smaller driver subsystem updates for
7.1-rc1. Lots of stuff in here, all tiny, but relevant for the
different drivers they touch. Major points in here is:
- the usual large set of new IIO drivers and updates for that
subsystem (the large majority of this diffstat)
- lots of comedi driver updates and bugfixes
- coresight driver updates
- interconnect driver updates and additions
- mei driver updates
- binder (both rust and C versions) updates and fixes
- lots of other smaller driver subsystem updates and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / IIO / and others driver updates from Greg KH:
"Here is the char/misc/iio and other smaller driver subsystem updates
for 7.1-rc1. Lots of stuff in here, all tiny, but relevant for the
different drivers they touch. Major points in here is:
- the usual large set of new IIO drivers and updates for that
subsystem (the large majority of this diffstat)
- lots of comedi driver updates and bugfixes
- coresight driver updates
- interconnect driver updates and additions
- mei driver updates
- binder (both rust and C versions) updates and fixes
- lots of other smaller driver subsystem updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (405 commits)
coresight: tpdm: fix invalid MMIO access issue
mei: me: add nova lake point H DID
mei: lb: add late binding version 2
mei: bus: add mei_cldev_uuid
w1: ds2490: drop redundant device reference
bus: mhi: host: pci_generic: Add Telit FE912C04 modem support
mei: csc: wake device while reading firmware status
mei: csc: support controller with separate PCI device
mei: convert PCI error to common errno
mei: trace: print return value of pci_cfg_read
mei: me: move trace into firmware status read
mei: fix idle print specifiers
mei: me: use PCI_DEVICE_DATA macro
sonypi: Convert ACPI driver to a platform one
misc: apds990x: fix all kernel-doc warnings
most: usb: Use kzalloc_objs for endpoint address array
hpet: Convert ACPI driver to a platform one
misc: vmw_vmci: Fix spelling mistakes in comments
parport: Remove completed item from to-do list
char: remove unnecessary module_init/exit functions
...
