History log of /linux/drivers/usb/host/xhci.h (Results 26 – 50 of 2625)
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# 375c4d15 27-May-2024 Maxime Ripard <mripard@kernel.org>

Merge drm/drm-next into drm-misc-next

Let's start the new release cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>


Revision tags: v6.10-rc1
# 60a2f25d 16-May-2024 Tvrtko Ursulin <tursulin@ursulin.net>

Merge drm/drm-next into drm-intel-gt-next

Some display refactoring patches are needed in order to allow conflict-
less merging.

Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>


# 3c691407 16-Jul-2024 Benjamin Tissoires <bentiss@kernel.org>

Merge branch 'for-6.11/trivial' into for-linus

Couple of trivial fixes:
- extra semicolon (Chen Ni)
- typo (Thorsten Blum)


# a6ec08be 20-Jun-2024 Jakub Kicinski <kuba@kernel.org>

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
1e7962114c10 ("bnxt_en: Rest

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
1e7962114c10 ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error")
165f87691a89 ("bnxt_en: add timestamping statistics support")

No adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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# 011b1134 11-Jul-2024 Ingo Molnar <mingo@kernel.org>

Merge branch 'sched/urgent' into sched/core, to pick up fixes and refresh the branch

Signed-off-by: Ingo Molnar <mingo@kernel.org>


# 0c8ea05e 04-Jul-2024 Peter Zijlstra <peterz@infradead.org>

Merge branch 'tip/x86/cpu'

The Lunarlake patches rely on the new VFM stuff.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>


# 197c22b6 03-Jul-2024 Philipp Zabel <p.zabel@pengutronix.de>

Merge tag 'regulator-hw-enable-helper' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into reset/next

regulator: Add helper to allow enable/disable in interrupt context

Add a

Merge tag 'regulator-hw-enable-helper' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into reset/next

regulator: Add helper to allow enable/disable in interrupt context

Add a helper function that enables exclusive consumers to bypass locking
and do an enable/disable from within interrupt context.

Link: https://lore.kernel.org/r/988df019-00d4-4209-8716-39e82c565bf1@sirena.org.uk
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

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# 9283ff5b 15-Jul-2024 Tejun Heo <tj@kernel.org>

Merge branch 'for-6.10-fixes' into for-6.11


# b7625d67 13-Jul-2024 Thomas Gleixner <tglx@linutronix.de>

Merge tag 'timers-v6.11-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core

Pull clocksource/event driver updates from Daniel Lezcano:

- Remove unnecessary local variables

Merge tag 'timers-v6.11-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core

Pull clocksource/event driver updates from Daniel Lezcano:

- Remove unnecessary local variables initialization as they will be
initialized in the code path anyway right after on the ARM arch
timer and the ARM global timer (Li kunyu)

- Fix a race condition in the interrupt leading to a deadlock on the
SH CMT driver. Note that this fix was not tested on the platform
using this timer but the fix seems reasonable enough to be picked
confidently (Niklas Söderlund)

- Increase the rating of the gic-timer and use the configured width
clocksource register on the MIPS architecture (Jiaxun Yang)

- Add the DT bindings for the TMU on the Renesas platforms (Geert
Uytterhoeven)

- Add the DT bindings for the SOPHGO SG2002 clint on RiscV (Thomas
Bonnefille)

- Add the rtl-otto timer driver along with the DT bindings for the
Realtek platform (Chris Packham)

Link: https://lore.kernel.org/all/91cd05de-4c5d-4242-a381-3b8a4fe6a2a2@linaro.org

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# 17436001 23-Jun-2024 Mark Brown <broonie@kernel.org>

spi: add devm_spi_optimize_message() helper

Merge series from David Lechner <dlechner@baylibre.com>:

In the IIO subsystem, we are finding that it is common to call
spi_optimize_message() during dri

spi: add devm_spi_optimize_message() helper

Merge series from David Lechner <dlechner@baylibre.com>:

In the IIO subsystem, we are finding that it is common to call
spi_optimize_message() during driver probe since the SPI message
doesn't change for the lifetime of the driver. This patch adds a
devm_spi_optimize_message() helper to simplify this common pattern.

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# 5a31243a 23-Jun-2024 Mark Brown <broonie@kernel.org>

regmap: Merge up v6.10-rc4

There are fixes for kselftest build with clang which really help my CI.


# 7bbb7115 23-Jun-2024 Mark Brown <broonie@kernel.org>

regulator: Merge up v6.10-rc4

There are fixes for kselftest with clang that really help my CI.


# b5beaa44 16-Jun-2024 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'usb-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes for 6.10-rc4.

Merge tag 'usb-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes for 6.10-rc4.
Included in here are:

- thunderbolt debugfs bugfix

- USB typec bugfixes

- kcov usb bugfix

- xhci bugfixes

- usb-storage bugfix

- dt-bindings bugfix

- cdc-wdm log message spam bugfix

All of these, except for the last cdc-wdm log level change, have been
in linux-next for a while with no reported problems. The cdc-wdm
bugfix has been tested by syzbot and proved to fix the reported cpu
lockup issues when the log is constantly spammed by a broken device"

* tag 'usb-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
xhci: Handle TD clearing for multiple streams case
xhci: Apply broken streams quirk to Etron EJ188 xHCI host
xhci: Apply reset resume quirk to Etron EJ188 xHCI host
xhci: Set correct transferred length for cancelled bulk transfers
usb-storage: alauda: Check whether the media is initialized
usb: typec: ucsi: Ack also failed Get Error commands
kcov, usb: disable interrupts in kcov_remote_start_usb_softirq
dt-bindings: usb: realtek,rts5411: Add missing "additionalProperties" on child nodes
usb: typec: tcpm: Ignore received Hard Reset in TOGGLING state
usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps
USB: xen-hcd: Traverse host/ when CONFIG_USB_XEN_HCD is selected
usb: typec: ucsi: glink: increase max ports for x1e80100
Revert "usb: chipidea: move ci_ulpi_init after the phy initialization"
thunderbolt: debugfs: Fix margin debugfs node creation condition

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# 5ceac440 11-Jun-2024 Hector Martin <marcan@marcan.st>

xhci: Handle TD clearing for multiple streams case

When multiple streams are in use, multiple TDs might be in flight when
an endpoint is stopped. We need to issue a Set TR Dequeue Pointer for
each,

xhci: Handle TD clearing for multiple streams case

When multiple streams are in use, multiple TDs might be in flight when
an endpoint is stopped. We need to issue a Set TR Dequeue Pointer for
each, to ensure everything is reset properly and the caches cleared.
Change the logic so that any N>1 TDs found active for different streams
are deferred until after the first one is processed, calling
xhci_invalidate_cancelled_tds() again from xhci_handle_cmd_set_deq() to
queue another command until we are done with all of them. Also change
the error/"should never happen" paths to ensure we at least clear any
affected TDs, even if we can't issue a command to clear the hardware
cache, and complain loudly with an xhci_warn() if this ever happens.

This problem case dates back to commit e9df17eb1408 ("USB: xhci: Correct
assumptions about number of rings per endpoint.") early on in the XHCI
driver's life, when stream support was first added.
It was then identified but not fixed nor made into a warning in commit
674f8438c121 ("xhci: split handling halted endpoints into two steps"),
which added a FIXME comment for the problem case (without materially
changing the behavior as far as I can tell, though the new logic made
the problem more obvious).

Then later, in commit 94f339147fc3 ("xhci: Fix failure to give back some
cached cancelled URBs."), it was acknowledged again.

[Mathias: commit 94f339147fc3 ("xhci: Fix failure to give back some cached
cancelled URBs.") was a targeted regression fix to the previously mentioned
patch. Users reported issues with usb stuck after unmounting/disconnecting
UAS devices. This rolled back the TD clearing of multiple streams to its
original state.]

Apparently the commit author was aware of the problem (yet still chose
to submit it): It was still mentioned as a FIXME, an xhci_dbg() was
added to log the problem condition, and the remaining issue was mentioned
in the commit description. The choice of making the log type xhci_dbg()
for what is, at this point, a completely unhandled and known broken
condition is puzzling and unfortunate, as it guarantees that no actual
users would see the log in production, thereby making it nigh
undebuggable (indeed, even if you turn on DEBUG, the message doesn't
really hint at there being a problem at all).

It took me *months* of random xHC crashes to finally find a reliable
repro and be able to do a deep dive debug session, which could all have
been avoided had this unhandled, broken condition been actually reported
with a warning, as it should have been as a bug intentionally left in
unfixed (never mind that it shouldn't have been left in at all).

> Another fix to solve clearing the caches of all stream rings with
> cancelled TDs is needed, but not as urgent.

3 years after that statement and 14 years after the original bug was
introduced, I think it's finally time to fix it. And maybe next time
let's not leave bugs unfixed (that are actually worse than the original
bug), and let's actually get people to review kernel commits please.

Fixes xHC crashes and IOMMU faults with UAS devices when handling
errors/faults. Easiest repro is to use `hdparm` to mark an early sector
(e.g. 1024) on a disk as bad, then `cat /dev/sdX > /dev/null` in a loop.
At least in the case of JMicron controllers, the read errors end up
having to cancel two TDs (for two queued requests to different streams)
and the one that didn't get cleared properly ends up faulting the xHC
entirely when it tries to access DMA pages that have since been unmapped,
referred to by the stale TDs. This normally happens quickly (after two
or three loops). After this fix, I left the `cat` in a loop running
overnight and experienced no xHC failures, with all read errors
recovered properly. Repro'd and tested on an Apple M1 Mac Mini
(dwc3 host).

On systems without an IOMMU, this bug would instead silently corrupt
freed memory, making this a security bug (even on systems with IOMMUs
this could silently corrupt memory belonging to other USB devices on the
same controller, so it's still a security bug). Given that the kernel
autoprobes partition tables, I'm pretty sure a malicious USB device
pretending to be a UAS device and reporting an error with the right
timing could deliberately trigger a UAF and write to freed memory, with
no user action.

[Mathias: Commit message and code comment edit, original at:]
https://lore.kernel.org/linux-usb/20240524-xhci-streams-v1-1-6b1f13819bea@marcan.st/

Fixes: e9df17eb1408 ("USB: xhci: Correct assumptions about number of rings per endpoint.")
Fixes: 94f339147fc3 ("xhci: Fix failure to give back some cached cancelled URBs.")
Fixes: 674f8438c121 ("xhci: split handling halted endpoints into two steps")
Cc: stable@vger.kernel.org
Cc: security@kernel.org
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240611120610.3264502-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# 594ce0b8 10-Jun-2024 Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Merge topic branches 'clkdev' and 'fixes' into for-linus


# f73a058b 28-May-2024 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

v6.10-rc1 is released, forward from v6.9

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>


# 89601f67 22-May-2024 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.10-rc1.

Merge tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
Nothing hugely earth-shattering, just constant forward progress for
hardware support of new devices and cleanups over the drivers.

Included in here are:

- Thunderbolt / USB 4 driver updates

- typec driver updates

- dwc3 driver updates

- gadget driver updates

- uss720 driver id additions and fixes (people use USB->arallel port
devices still!)

- onboard-hub driver rename and additions for new hardware

- xhci driver updates

- other small USB driver updates and additions for quirks and api
changes

All of these have been in linux-next for a while with no reported
problems"

* tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
drm/bridge: aux-hpd-bridge: correct devm_drm_dp_hpd_bridge_add() stub
usb: fotg210: Add missing kernel doc description
usb: dwc3: core: Fix unused variable warning in core driver
usb: typec: tipd: rely on i2c_get_match_data()
usb: typec: tipd: fix event checking for tps6598x
usb: typec: tipd: fix event checking for tps25750
dt-bindings: usb: qcom,dwc3: fix interrupt max items
usb: fotg210: Use *-y instead of *-objs in Makefile
usb: phy: tegra: Replace of_gpio.h by proper one
usb: typec: ucsi: displayport: Fix potential deadlock
usb: typec: qcom-pmic-typec: split HPD bridge alloc and registration
usb: musc: Remove unused list 'buffers'
usb: dwc3: Wait unconditionally after issuing EndXfer command
usb: gadget: u_audio: Clear uac pointer when freed.
usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
dt-bindings: usb: dwc3: Add QDU1000 compatible
usb: core: Remove the useless struct usb_devmap which is just a bitmap
MAINTAINERS: Remove {ehci,uhci}-platform.c from ARM/VT8500 entry
USB: usb_parse_endpoint: ignore reserved bits
usb: xhci: compact 'trb_in_td()' arguments
...

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Revision tags: v6.9, v6.9-rc7
# 080e73c9 29-Apr-2024 Niklas Neronin <niklas.neronin@linux.intel.com>

usb: xhci: compact 'trb_in_td()' arguments

Pass pointer to the TD (struct xhci_td *) directly, instead of its
components separately.

Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
S

usb: xhci: compact 'trb_in_td()' arguments

Pass pointer to the TD (struct xhci_td *) directly, instead of its
components separately.

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/20240429140245.3955523-19-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# 34b67198 29-Apr-2024 Mathias Nyman <mathias.nyman@linux.intel.com>

xhci: remove XHCI_TRUST_TX_LENGTH quirk

If this quirk was set then driver would treat transfer events with
'Success' completion code as 'Short packet' if there were untransferred
bytes left.

This i

xhci: remove XHCI_TRUST_TX_LENGTH quirk

If this quirk was set then driver would treat transfer events with
'Success' completion code as 'Short packet' if there were untransferred
bytes left.

This is so common that turn it into default behavior.

xhci_warn_ratelimited() is no longer used after this, so remove it.

A success event with untransferred bytes left doesn't always mean a
misbehaving controller. If there was an error mid a multi-TRB TD it's
allowed to issue a success event for the last TRB in that TD.

See xhci 1.2 spec 4.9.1 Transfer Descriptors

"Note: If an error is detected while processing a multi-TRB TD, the xHC
shall generate a Transfer Event for the TRB that the error was detected
on with the appropriate error Condition Code, then may advance to the
next TD. If in the process of advancing to the next TD, a Transfer TRB
is encountered with its IOC flag set, then the Condition Code of the
Transfer Event generated for that Transfer TRB should be Success,
because there was no error actually associated with the TRB that
generated the Event. However, an xHC implementation may redundantly
assert the original error Condition Code."

Co-developed-by: Niklas Neronin <niklas.neronin@linux.intel.com>
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/20240429140245.3955523-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# 15a27970 29-Apr-2024 Mathias Nyman <mathias.nyman@linux.intel.com>

xhci: improve PORTSC register debugging output

Print the full hex value of PORTSC register in addition to the human
readable decoded string while debugging PORTSC value.

If PORTSC value is 0xffffff

xhci: improve PORTSC register debugging output

Print the full hex value of PORTSC register in addition to the human
readable decoded string while debugging PORTSC value.

If PORTSC value is 0xffffffff then don't decode it.
This lets us inspect Rsvd bits of PORTSC.
Same is done for USBSTS register values.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240429140245.3955523-9-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# 7e2bd7dd 29-Apr-2024 Niklas Neronin <niklas.neronin@linux.intel.com>

usb: xhci: remove redundant variable 'erst_size'

'erst_size' represents the maximum capacity of entries that ERST can hold,
while 'num_entries' indicates the actual number of entries currently held

usb: xhci: remove redundant variable 'erst_size'

'erst_size' represents the maximum capacity of entries that ERST can hold,
while 'num_entries' indicates the actual number of entries currently held
in the ERST. These two values are identical because the xhci driver does
not support ERST expansion. Thus, 'erst_size' is removed.

Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
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/20240429140245.3955523-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# db4460b6 29-Apr-2024 Niklas Neronin <niklas.neronin@linux.intel.com>

usb: xhci: check if 'requested segments' exceeds ERST capacity

Check if requested segments ('segs' or 'ERST_DEFAULT_SEGS') exceeds the
maximum amount ERST supports.

When 'segs' is '0', 'ERST_DEFAUL

usb: xhci: check if 'requested segments' exceeds ERST capacity

Check if requested segments ('segs' or 'ERST_DEFAULT_SEGS') exceeds the
maximum amount ERST supports.

When 'segs' is '0', 'ERST_DEFAULT_SEGS' is used instead. But both values
may not exceed ERST max.

Macro 'ERST_MAX_SEGS' is renamed to 'ERST_DEFAULT_SEGS'. The new name
better represents the macros, which is the number of Event Ring segments
to allocate, when the amount is not specified.

Additionally, rename and change xhci_create_secondary_interrupter()'s
argument 'int num_segs' to 'unsigned int segs'. This makes it the same
as its counter part in xhci_alloc_interrupter().

Fixes: c99b38c41234 ("xhci: add support to allocate several interrupters")
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/20240429140245.3955523-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# 63a1f845 29-Apr-2024 Mathias Nyman <mathias.nyman@linux.intel.com>

xhci: stored cached port capability values in one place

Port capability flags for USB2 ports have been cached in an
u32 xhci->ext_caps[] array long before the driver had struct xhci_port
and struct

xhci: stored cached port capability values in one place

Port capability flags for USB2 ports have been cached in an
u32 xhci->ext_caps[] array long before the driver had struct xhci_port
and struct xhci_port_cap structures.

Move these cached USB2 port capability values together with the other
port capability values into struct xhci_port_cap cability structure.

This also gets rid of the cumbersome way of mapping port to USB2
capability based on portnum as each port has a pointer to its capability
structure.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240429140245.3955523-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Revision tags: v6.9-rc6
# 173b0b5b 22-Apr-2024 Arnaldo Carvalho de Melo <acme@redhat.com>

Merge remote-tracking branch 'torvalds/master' into perf-tools-next

To pick up fixes sent via perf-tools, by Namhyung Kim.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>


Revision tags: v6.9-rc5, v6.9-rc4, v6.9-rc3, v6.9-rc2
# 1dd4505c 25-Mar-2024 Andrew Morton <akpm@linux-foundation.org>

Merge branch 'master' into mm-stable


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