xHCI spec rev. 1.0 allowed the TRB pointer of Missed Service events
to be NULL. Having no idea which of the queued TDs were missed and
which are waiting, we can only set a flag to skip missed TDs later.
But HCs are also allowed to give us pointer to the last missed TRB,
and this became mandatory in spec rev. 1.1 and later.
Use this pointer, if available, to immediately skip all missed TDs.
This reduces latency and risk of skipping-related bugs, because we
can now leave the skip flag cleared for future events.
Handle Missed Service Error events as 'error mid TD', if applicable,
because rev. 1.0 spec excplicitly says so in notes to 4.10.3.2 and
later revs in 4.10.3.2 and 4.11.2.5.2. Notes to 4.9.1 seem to apply.
Tested on ASM1142 and ASM3142 v1.1 xHCs which provide TRB pointers.
Tested on AMD, Etron, Renesas v1.0 xHCs which provide TRB pointers.
Tested on NEC v0.96 and VIA v1.0 xHCs which send a NULL pointer.
Change inspired by a discussion about realtime USB audio.
Link: https://lore.kernel.org/linux-usb/76e1a191-020d-4a76-97f6-237f9bd0ede0@gmx.net/T/
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The TRB pointer of these events points at enqueue at the time of error
occurrence on xHCI 1.1+ HCs or it's NULL on older ones. By the time we
are handling the event, a new TD may be queued at this ring position.
I can trigger this race by rising interrupt moderation to increase IRQ
handling delay. Similar delay may occur naturally due to system load.
If this ever happens after a Missed Service Error, missed TDs will be
skipped and the new TD processed as if it matched the event. It could
be given back prematurely, risking data loss or buffer UAF by the xHC.
Don't complete TDs on xrun events and don't warn if queued TDs don't
match the event's TRB pointer, which can be NULL or a link/no-op TRB.
Don't warn if there are no queued TDs at all.
Now that it's safe, also handle xrun events if the skip flag is clear.
This ensures completion of any TD stuck in 'error mid TD' state right
before the xrun event, which could happen if a driver submits a finite
number of URBs to a buggy HC and then an error occurs on the last TD.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Missed Service Error after an error mid TD means that the failed TD has
already been passed by the xHC without acknowledgment of the final TRB,
a known hardware bug. So don't wait any more and give back the TD.
Reproduced on NEC uPD720200 under conditions of ludicrously bad USB link
quality, confirmed to behave as expected using dynamic debug.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Up until commit d56b0b2ab1 ("usb: xhci: ensure skipped isoc TDs are
returned when isoc ring is stopped") in v6.11, the driver didn't skip
missed isochronous TDs when handling Stoppend and Stopped - Length
Invalid events. Instead, it erroneously cleared the skip flag, which
would cause the ring to get stuck, as future events won't match the
missed TD which is never removed from the queue until it's cancelled.
This buggy logic seems to have been in place substantially unchanged
since the 3.x series over 10 years ago, which probably speaks first
and foremost about relative rarity of this case in normal usage, but
by the spec I see no reason why it shouldn't be possible.
After d56b0b2ab1, TDs are immediately skipped when handling those
Stopped events. This poses a potential problem in case of Stopped -
Length Invalid, which occurs either on completed TDs (likely already
given back) or Link and No-Op TRBs. Such event won't be recognized
as matching any TD (unless it's the rare Link TRB inside a TD) and
will result in skipping all pending TDs, giving them back possibly
before they are done, risking isoc data loss and maybe UAF by HW.
As a compromise, don't skip and don't clear the skip flag on this
kind of event. Then the next event will skip missed TDs. A downside
of not handling Stopped - Length Invalid on a Link inside a TD is
that if the TD is cancelled, its actual length will not be updated
to account for TRBs (silently) completed before the TD was stopped.
I had no luck producing this sequence of completion events so there
is no compelling demonstration of any resulting disaster. It may be
a very rare, obscure condition. The sole motivation for this patch
is that if such unlikely event does occur, I'd rather risk reporting
a cancelled partially done isoc frame as empty than gamble with UAF.
This will be fixed more properly by looking at Stopped event's TRB
pointer when making skipping decisions, but such rework is unlikely
to be backported to v6.12, which will stay around for a few years.
Fixes: d56b0b2ab1 ("usb: xhci: ensure skipped isoc TDs are returned when isoc ring is stopped")
Cc: stable@vger.kernel.org
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function is a remnant from a previous implementation and is now
redundant. There is no longer a need to search for the dequeue pointer,
as both the TRB and segment dequeue pointers are saved within
'queued_deq_seg' and 'queued_deq_ptr'.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
U2 value is encoded in 256 microsecond intervals, show in microseconds.
U1 value is in microseconds. debug message incorrectly showed "ms"
Unwrap debug messages while we anyway modify them.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250306144954.3507700-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Exynos7870 devices have a DWC3 compatible USB 2.0 controller.
Add support in the driver by:
- Adding its own compatible string, "samsung,exynos7870-dwusb3".
- Adding three USBDRD clocks named "bus_early", "ref", and "ctrl", to
be controlled by the driver.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250301-exynos7870-usb-v3-2-f01697165d19@disroot.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document compatible string for Exynos7870 DWC3-compatible USB 2.0
driver. The devicetree node requires three clocks, named "bus_early",
"ref", and "ctrl".
Unlike other variants, Exynos7870's USB controller requires a single
3.0V regulator. Assert that the other 1.0V regulator requirement is
enforced on variants individually other than Exynos7870's.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250301-exynos7870-usb-v3-1-f01697165d19@disroot.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The USB dwc3 core on Rockchip's RK3562 is the same as the one already
included in generic snps,dwc3. Extend the binding accordingly to allow
compatible = "rockchip,rk3562-dwc3", "snps,dwc3";
There are 4 clocks with different name sequency, add schema for it.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250227111913.2344207-10-kever.yang@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This array is only read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-9-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These arrays are only read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-8-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The nand_flash_ids, inquiry_response, and mode_page_01 arrays are only
read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-7-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These arrays are only read, never modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-6-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
init_string is only read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-5-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These arrays are only read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-4-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The alauda_card_ids array is only read, and not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-3-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This array is only read, not modified.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-2-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These arrays are not modified. Make them const.
Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.
Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-1-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If no fw_build is recognized for the controller there is no point to
exposing the `do_flash` attribute.
Add an is_visible callback to the attribute group and check for that
fw_build member to hide when not applicable.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250221054137.1631765-3-superm1@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The error `failed to get FW build information` is added for what looks
to be for misdetection of the device property firmware-name.
If the property is missing (such as on non-nvidia HW) this error shows up.
Move the error into the scope of the property parser for "firmware-name"
to avoid showing errors on systems without the firmware-name property.
Fixes: 5c9ae5a875 ("usb: typec: ucsi: ccg: add firmware flashing support")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250221054137.1631765-2-superm1@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some platforms like Marvell are cache coherent, so allow the
"dma-coherent" property.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250226214231.3745400-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
otg_ulpi_create() has been unused since 2022's
commit 8ca79aaad8 ("ARM: pxa: remove unused pxa3xx-ulpi")
Remove it.
The devm_ variant is still used.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250223160602.91916-1-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The RichTek RT1711H and RT1719 chips do have a vbus pin that is
used for attach/detach detection (respectively, pin A1 and 11):
allow a vbus-supply phandle for that.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250219140143.104037-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The usb_sndaddr0pipe macro is only used in the hub_set_address function.
Replace it with usb_sndctrlpipe which provides the same functionality
but would also consider the endpoint device number.
If the device has not been initialised, it is safe to use
usb_sndctrlpipe in this context because udev->devnum is set to 0.
Therefore, this change does not affect behaviour, but reduces code
complexity by reusing the existing macro.
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250219083745.10406-1-eichest@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the 'eUSB2 Isochronous Endpoint Companion Descriptor'
introduced in the recent USB 2.0 specification 'USB 2.0 Double Isochronous
IN Bandwidth' ECN.
It allows embedded USB2 (eUSB2) devices to report and use higher bandwidths
for isochronous IN transfers in order to support higher camera resolutions
on the lid of laptops and tablets with minimal change to the USB2 protocol.
The motivation for expanding USB 2.0 is further clarified in an additional
Embedded USB2 version 2.0 (eUSB2v2) supplement to the USB 2.0
specification. It points out this is optimized for performance, power and
cost by using the USB 2.0 low-voltage, power efficient PHY and half-duplex
link for the asymmetric camera bandwidth needs, avoiding the costly and
complex full-duplex USB 3.x symmetric link and gigabit receivers.
eUSB2 devices that support the higher isochronous IN bandwidth and the new
descriptor can be identified by their device descriptor bcdUSB value of
0x0220
Co-developed-by: Amardeep Rai <amardeep.rai@intel.com>
Signed-off-by: Amardeep Rai <amardeep.rai@intel.com>
Signed-off-by: Kannappan R <r.kannappan@intel.com>
Co-developed-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250220141339.1939448-1-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a compatible for the exynos990-dwusb3 node. It's compatible with the
exynos850 variant when using the highspeed mode.
Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250217-exynos990-bindings-usb3-v2-1-3b3f0809f4fb@mentallysanemainliners.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Propagate errors to the consumers when configuring the retimer so that
they can act on any failures as intended, for example:
ps883x_retimer 2-0008: failed to write conn_status_0: -5
pmic_glink_altmode.pmic_glink_altmode pmic_glink.altmode.0: failed to setup retimer to DP: -5
Fixes: 257a087c8b ("usb: typec: Add support for Parade PS8830 Type-C Retimer")
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250218152933.22992-4-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure that the retimer is accessible before registering to avoid
having later consumer calls fail to configure it, something which, for
example, can lead to a hotplugged display not being recognised:
[drm:msm_dp_panel_read_sink_caps [msm]] *ERROR* read dpcd failed -110
Fixes: 257a087c8b ("usb: typec: Add support for Parade PS8830 Type-C Retimer")
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250218152933.22992-3-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure that the retimer is fully setup before registering it to avoid
having consumers try to access it while it is being reset.
Fixes: 257a087c8b ("usb: typec: Add support for Parade PS8830 Type-C Retimer")
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250218152933.22992-2-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the probe error handling to avoid unbalanced clock disable or
leaving regulators on after probe failure.
Note that the active-low reset pin should also be asserted to avoid
leaking current after disabling the regulators.
Fixes: 257a087c8b ("usb: typec: Add support for Parade PS8830 Type-C Retimer")
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250218082243.9318-1-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According to the dt-bindings there are some platforms, which have a
dedicated USB power domain for DWC2 IP core supply. If the power domain
is switched off during system suspend then all USB register will lose
their settings.
Use GUSBCFG_TOUTCAL as a canary to detect that the power domain has
been powered off during suspend. Since the GOTGCTL_CURMODE_HOST doesn't
match on all platform with the current mode, additionally backup
GINTSTS. This works reliable to decide which registers should be
restored.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20250217134132.36786-4-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The DWC2 runtime PM code reuses similar patterns to backup and
restore the registers. So consolidate them in USB mode specific
variants. This also has the advantage it is reusable for further
PM improvements.
Special care is taken for DCFG register during device mode restore.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20250217134132.36786-3-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dwc2_restore_device_registers() use a single boolean
to decide about the register restoring behavior.
So replace this with a flags parameter, which can
be extended later.
No functional change intended.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20250217134132.36786-2-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace free-form text of 'reg' property with proper constraints so
incorrect values can be actually reported.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250214114235.49476-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This hub is powered by digital and analog 3V3 power rails, so provide
the possibility to use different regulators for digital (vdd) and analog
(vdda) power rails.
Signed-off-by: Catalin Popescu <catalin.popescu@leica-geosystems.com>
Link: https://lore.kernel.org/r/20250213094338.1611389-3-catalin.popescu@leica-geosystems.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Extend support to Microchip hubs USB2512 & USB2513 which are identical
to USB2514 but offer less downstream ports (i.e. respectively 2 and 3
ports).
Signed-off-by: Catalin Popescu <catalin.popescu@leica-geosystems.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250213094338.1611389-2-catalin.popescu@leica-geosystems.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Microchip hub USB2514 has one 3V3 digital power supply and one 3V3
analog power supply. Add support for analog power supply vdda.
Signed-off-by: Catalin Popescu <catalin.popescu@leica-geosystems.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250213094338.1611389-1-catalin.popescu@leica-geosystems.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix annoying logs when building tools in parallel
- Fix the Debian linux-headers package build again
- Fix the target triple detection for userspace programs on Clang
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Merge tag 'kbuild-fixes-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix annoying logs when building tools in parallel
- Fix the Debian linux-headers package build again
- Fix the target triple detection for userspace programs on Clang
* tag 'kbuild-fixes-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: Fix a few typos in a comment
kbuild: userprogs: fix bitsize and target detection on clang
kbuild: fix linux-headers package build when $(CC) cannot link userspace
tools: fix annoying "mkdir -p ..." logs when building tools in parallel
Here is a driver core new api for 6.14-rc3 that is being added to allow
platform devices from stop being abused. It adds a new "faux_device"
structure and bus and api to allow almost a straight or simpler
conversion from platform devices that were not really a platform device.
It also comes with a binding for rust, with an example driver in rust
showing how it's used.
I'm adding this now so that the patches that convert the different
drivers and subsystems can all start flowing into linux-next now through
their different development trees, in time for 6.15-rc1. We have a
number that are already reviewed and tested, but adding those
conversions now doesn't seem right. For now, no one is using this, and
it passes all build tests from 0-day and linux-next, so all should be
good.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core api addition from Greg KH:
"Here is a driver core new api for 6.14-rc3 that is being added to
allow platform devices from stop being abused.
It adds a new 'faux_device' structure and bus and api to allow almost
a straight or simpler conversion from platform devices that were not
really a platform device. It also comes with a binding for rust, with
an example driver in rust showing how it's used.
I'm adding this now so that the patches that convert the different
drivers and subsystems can all start flowing into linux-next now
through their different development trees, in time for 6.15-rc1.
We have a number that are already reviewed and tested, but adding
those conversions now doesn't seem right. For now, no one is using
this, and it passes all build tests from 0-day and linux-next, so all
should be good"
* tag 'driver-core-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
rust/kernel: Add faux device bindings
driver core: add a faux bus for use when a simple device/bus is needed
Here are some small serial driver fixes for some reported problems for
6.14-rc3. Nothing major, just:
- sc16is7xx irq check fix
- 8250 fifo underflow fix
- serial_port and 8250 iotype fixes
Most of these have been in linux-next already, and all have passed 0-day
testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are some small serial driver fixes for some reported problems.
Nothing major, just:
- sc16is7xx irq check fix
- 8250 fifo underflow fix
- serial_port and 8250 iotype fixes
Most of these have been in linux-next already, and all have passed
0-day testing"
* tag 'tty-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250: Fix fifo underflow on flush
serial: 8250_pnp: Remove unneeded ->iotype assignment
serial: 8250_platform: Remove unneeded ->iotype assignment
serial: 8250_of: Remove unneeded ->iotype assignment
serial: port: Make ->iotype validation global in __uart_read_properties()
serial: port: Always update ->iotype in __uart_read_properties()
serial: port: Assign ->iotype correctly when ->iobase is set
serial: sc16is7xx: Fix IRQ number check behavior
Here are some small USB driver fixes, and new device ids, for 6.14-rc3.
Lots of tiny stuff for reported problems, including:
- new device ids and quirks
- usb hub crash fix found by syzbot
- dwc2 driver fix
- dwc3 driver fixes
- uvc gadget driver fix
- cdc-acm driver fixes for a variety of different issues
- other tiny bugfixes
Almost all of these have been in linux-next this week, and all have
passed 0-day testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes, and new device ids, for
6.14-rc3. Lots of tiny stuff for reported problems, including:
- new device ids and quirks
- usb hub crash fix found by syzbot
- dwc2 driver fix
- dwc3 driver fixes
- uvc gadget driver fix
- cdc-acm driver fixes for a variety of different issues
- other tiny bugfixes
Almost all of these have been in linux-next this week, and all have
passed 0-day testing"
* tag 'usb-6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
usb: typec: tcpm: PSSourceOffTimer timeout in PR_Swap enters ERROR_RECOVERY
usb: roles: set switch registered flag early on
usb: gadget: uvc: Fix unstarted kthread worker
USB: quirks: add USB_QUIRK_NO_LPM quirk for Teclast dist
usb: gadget: core: flush gadget workqueue after device removal
USB: gadget: f_midi: f_midi_complete to call queue_work
usb: core: fix pipe creation for get_bMaxPacketSize0
usb: dwc3: Fix timeout issue during controller enter/exit from halt state
USB: Add USB_QUIRK_NO_LPM quirk for sony xperia xz1 smartphone
USB: cdc-acm: Fill in Renesas R-Car D3 USB Download mode quirk
usb: cdc-acm: Fix handling of oversized fragments
usb: cdc-acm: Check control transfer buffer size before access
usb: xhci: Restore xhci_pci support for Renesas HCs
USB: pci-quirks: Fix HCCPARAMS register error for LS7A EHCI
USB: serial: option: drop MeiG Smart defines
USB: serial: option: fix Telit Cinterion FN990A name
USB: serial: option: add Telit Cinterion FN990B compositions
USB: serial: option: add MeiG Smart SLM828
usb: gadget: f_midi: fix MIDI Streaming descriptor lengths
usb: dwc2: gadget: remove of_node reference upon udc_stop
...
handoff to the OS
- Check CPUID(0x23) leaf and subleafs presence properly
- Remove the PEBS-via-PT feature from being supported on hybrid systems
- Fix perf record/top default commands on systems without a raw PMU registered
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Merge tag 'perf_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf fixes from Borislav Petkov:
- Explicitly clear DEBUGCTL.LBR to prevent LBRs continuing being
enabled after handoff to the OS
- Check CPUID(0x23) leaf and subleafs presence properly
- Remove the PEBS-via-PT feature from being supported on hybrid systems
- Fix perf record/top default commands on systems without a raw PMU
registered
* tag 'perf_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Ensure LBRs are disabled when a CPU is starting
perf/x86/intel: Fix ARCH_PERFMON_NUM_COUNTER_LEAF
perf/x86/intel: Clean up PEBS-via-PT on hybrid
perf/x86/rapl: Fix the error checking order
clear its removal from that queue is atomic
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Merge tag 'sched_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Clarify what happens when a task is woken up from the wake queue and
make clear its removal from that queue is atomic
* tag 'sched_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Clarify wake_up_q()'s write to task->wake_q.next
breakage has been fixed in the meantime
- Teach objtool to ignore dangling jump table entries added by Clang
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Merge tag 'objtool_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
- Move a warning about a lld.ld breakage into the verbose setting as
said breakage has been fixed in the meantime
- Teach objtool to ignore dangling jump table entries added by Clang
* tag 'objtool_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Move dodgy linker warn to verbose
objtool: Ignore dangling jump table entries
