The USS720 parport driver source code is in drivers/usb/misc/, the
corresponding config is defined in drivers/usb/Kconfig. Some digging in the
kernel's history revealed no good reason why it needs to be defined in
USB's top-level Kconfig file, and why the config for the USS720 parport
driver should be the first in the list of USB port drivers, while all other
configs for drivers in drivers/usb/misc are in the USB Miscellaneous driver
configuration file.
Most probably, it was simply considered a bit more special when the USB
Miscellaneous driver configuration file (drivers/usb/misc/Config.in back
then) was initially created, and this config simply survived to remain at
the top-level USB Kconfig file with all further code/Kconfig
transformations and additions later on. Users rarely notice this config
being at this position, as CONFIG_PARPORT (Parallel port support) needs to
be enabled and only few users enable that. Nowadays, this USB_USS720 driver
is probably not that special that it needs to be listed as first item of
the USB port drivers.
Move the configuration of the USS720 parport driver to the top of the USB
Miscellaneous drivers section, as the configurations does not have a lot of
specific ordering USB Miscellaneous drivers. This way, the USS720 parport
driver is moved to the comment "USB Miscellaneous drivers", fitting to the
driver's source code location, but still is at the top of the list for
those few acquainted users of Kconfig UIs that might be looking for the
config that was once at the top of the list of the USB port drivers.
Put this config definition to a more local place. No semantic change.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20230329075125.32352-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We need the USB fixes here, and the USB gadget update for future
development patches to be based on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver didn't see real maintainance since several years. It has
several trivial issues (check $(scripts/checkpatch.pl -f
drivers/usb/misc/ftdi-elan.c)) and some harder ones (difficult locking,
explict kref handling, ...). Also today it's hard to find hardware to
make actually use of such a card and I suspect the driver is completely
unused.
So remove it.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230321150919.351947-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver got its last actual change in 2006 and is probably unused as
nowbody should use a cardbus to USB adapter any more.
If it were still used, the driver was in urgent need for maintainer
love. (Explicit kref handling, underdocumented locking, .remove() can
return errors ...)
Also the link in the (now removed) help text doesn't look actively
maintained. According to archive.org it forwarded to
http://www.copenhagen-hotel.net/ already back in 2018.
So don't waste more time on this driver and just delete it.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230321103638.343886-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for USB3803 and bypass mode, with this change
is also possible to move the component out of bypass mode.
In bypass mode the downstream port 3 is connected to the
upstream port with low switch resistance R_on.
Controlling mode of operations:
| RESET_N | BYPASS_N | Mode |
--------------------------------
| 0 | 0 | standby |
| 1 | 0 | bypass |
| 1 | 1 | hub |
Datasheet: https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/DataSheets/00001691D.pdf
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230313165039.255579-4-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Refactor code to simplify adding support for USB3803 and bypass mode.
Remove static usb3503_reset() and move it to usb3503_switch_mode(),
with the addition of the bypass mode we need to drive the various
control signals to the expected configuration, not just to
assert/release the reset.
In addition to that the usb3503_connect() needs to be called only
for HUB mode.
No functional changes expected nor intended because of this change.
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230313165039.255579-3-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver will match mostly by DT table (even thought there is regular
ID table) so there is little benefit in of_match_ptr (this also allows
ACPI matching via PRP0001, even though it might not be relevant here).
drivers/usb/misc/usb251xb.c:223:35: error: ‘usb2517i_data’ defined but not used [-Werror=unused-const-variable=]
drivers/usb/misc/usb251xb.c:215:35: error: ‘usb2517_data’ defined but not used [-Werror=unused-const-variable=]
drivers/usb/misc/usb251xb.c:207:35: error: ‘usb2514bi_data’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Richard Leitner <richard.leitner@skidata.com>
Link: https://lore.kernel.org/r/20230311173624.263189-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties.
Convert reading boolean properties to to of_property_read_bool().
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Richard Leitner <richard.leitner@skidata.com>
Link: https://lore.kernel.org/r/20230310144729.1545857-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for Microchip USB2517 USB 2.0 hub to the onboard usb hub
driver. Adopt the generic usb-device compatible ("usbVID,PID").
This hub has the same reset timings as USB2514, so reuse that one.
There is also an USB2517I which just has industrial temperature range.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: stable <stable@kernel.org>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20230223073920.2912298-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We need the USB fixes in here and this resolves merge conflicts as
reported in linux-next in the following files:
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/typec/ucsi/ucsi.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The USB_DEVICE_ID_CODEMERCS_IOW100 header size was incorrect, it should
be 12, not 13.
Cc: stable <stable@kernel.org>
Fixes: 17a8271658 ("USB: iowarrior: fix up report size handling for some devices")
Reported-by: Christoph Jung <jung@codemercs.com>
Link: https://lore.kernel.org/r/20230120135330.3842518-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
VIA LAB VL817 is a 4-port USB 3.1 hub and USB 2.0 root hub
that has a reset pin to toggle and a 5.0V core supply exported
though an integrated LDO is available for powering it.
Add the support for this hub, for controlling the reset pin and
the core power supply.
Add USB device id's for USB 2.0 and USB 3.0 root hub.
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20230118044418.875-9-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Genesys Logic GL852G is a 4-port USB 2.0 STT hub that has a reset pin to
toggle and a 5.0V core supply exported though an integrated LDO is
available for powering it.
Add the support for this hub, for controlling the reset pin and the core
power supply.
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20230118044418.875-5-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently each onboard_hub platform device owns an 'attach' work,
which is scheduled when the device probes. With this deadlocks
have been reported on a Raspberry Pi 3 B+ [1], which has nested
onboard hubs.
The flow of the deadlock is something like this (with the onboard_hub
driver built as a module) [2]:
- USB root hub is instantiated
- core hub driver calls onboard_hub_create_pdevs(), which creates the
'raw' platform device for the 1st level hub
- 1st level hub is probed by the core hub driver
- core hub driver calls onboard_hub_create_pdevs(), which creates
the 'raw' platform device for the 2nd level hub
- onboard_hub platform driver is registered
- platform device for 1st level hub is probed
- schedules 'attach' work
- platform device for 2nd level hub is probed
- schedules 'attach' work
- onboard_hub USB driver is registered
- device (and parent) lock of hub is held while the device is
re-probed with the onboard_hub driver
- 'attach' work (running in another thread) calls driver_attach(), which
blocks on one of the hub device locks
- onboard_hub_destroy_pdevs() is called by the core hub driver when one
of the hubs is detached
- destroying the pdevs invokes onboard_hub_remove(), which waits for the
'attach' work to complete
- waits forever, since the 'attach' work can't acquire the device lock
Use a single work struct for the driver instead of having a work struct
per onboard hub platform driver instance. With that it isn't necessary
to cancel the work in onboard_hub_remove(), which fixes the deadlock.
The work is only cancelled when the driver is unloaded.
[1] https://lore.kernel.org/r/d04bcc45-3471-4417-b30b-5cf9880d785d@i2se.com/
[2] https://lore.kernel.org/all/Y6OrGbqaMy2iVDWB@google.com/
Cc: stable@vger.kernel.org
Fixes: 8bc063641c ("usb: misc: Add onboard_usb_hub driver")
Link: https://lore.kernel.org/r/d04bcc45-3471-4417-b30b-5cf9880d785d@i2se.com/
Link: https://lore.kernel.org/all/Y6OrGbqaMy2iVDWB@google.com/
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20230110172954.v2.2.I16b51f32db0c32f8a8532900bfe1c70c8572881a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The onboard_hub 'driver' consists of two drivers, a platform
driver and a USB driver. Currently when the onboard hub driver
is initialized it first registers the platform driver, then the
USB driver. This results in a race condition when the 'attach'
work is executed, which is scheduled when the platform device
is probed. The purpose of fhe 'attach' work is to bind elegible
USB hub devices to the onboard_hub USB driver. This fails if
the work runs before the USB driver has been registered.
Register the USB driver first, then the platform driver. This
increases the chances that the onboard_hub USB devices are probed
before their corresponding platform device, which the USB driver
tries to locate in _probe(). The driver already handles this
situation and defers probing if the onboard hub platform device
doesn't exist yet.
Cc: stable@vger.kernel.org
Fixes: 8bc063641c ("usb: misc: Add onboard_usb_hub driver")
Link: https://lore.kernel.org/lkml/Y6W00vQm3jfLflUJ@hovoldconsulting.com/T/#m0d64295f017942fd988f7c53425db302d61952b4
Reported-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20230110172954.v2.1.I75494ebee7027a50235ce4b1e930fa73a578fbe2@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the set of driver core and kernfs changes for 6.2-rc1.
The "big" change in here is the addition of a new macro,
container_of_const() that will preserve the "const-ness" of a pointer
passed into it.
The "problem" of the current container_of() macro is that if you pass in
a "const *", out of it can comes a non-const pointer unless you
specifically ask for it. For many usages, we want to preserve the
"const" attribute by using the same call. For a specific example, this
series changes the kobj_to_dev() macro to use it, allowing it to be used
no matter what the const value is. This prevents every subsystem from
having to declare 2 different individual macros (i.e.
kobj_const_to_dev() and kobj_to_dev()) and having the compiler enforce
the const value at build time, which having 2 macros would not do
either.
The driver for all of this have been discussions with the Rust kernel
developers as to how to properly mark driver core, and kobject, objects
as being "non-mutable". The changes to the kobject and driver core in
this pull request are the result of that, as there are lots of paths
where kobjects and device pointers are not modified at all, so marking
them as "const" allows the compiler to enforce this.
So, a nice side affect of the Rust development effort has been already
to clean up the driver core code to be more obvious about object rules.
All of this has been bike-shedded in quite a lot of detail on lkml with
different names and implementations resulting in the tiny version we
have in here, much better than my original proposal. Lots of subsystem
maintainers have acked the changes as well.
Other than this change, included in here are smaller stuff like:
- kernfs fixes and updates to handle lock contention better
- vmlinux.lds.h fixes and updates
- sysfs and debugfs documentation updates
- device property updates
All of these have been in the linux-next tree for quite a while with no
problems, OTHER than some merge issues with other trees that should be
obvious when you hit them (block tree deletes a driver that this tree
modifies, iommufd tree modifies code that this tree also touches). If
there are merge problems with these trees, please let me know.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core and kernfs changes for 6.2-rc1.
The "big" change in here is the addition of a new macro,
container_of_const() that will preserve the "const-ness" of a pointer
passed into it.
The "problem" of the current container_of() macro is that if you pass
in a "const *", out of it can comes a non-const pointer unless you
specifically ask for it. For many usages, we want to preserve the
"const" attribute by using the same call. For a specific example, this
series changes the kobj_to_dev() macro to use it, allowing it to be
used no matter what the const value is. This prevents every subsystem
from having to declare 2 different individual macros (i.e.
kobj_const_to_dev() and kobj_to_dev()) and having the compiler enforce
the const value at build time, which having 2 macros would not do
either.
The driver for all of this have been discussions with the Rust kernel
developers as to how to properly mark driver core, and kobject,
objects as being "non-mutable". The changes to the kobject and driver
core in this pull request are the result of that, as there are lots of
paths where kobjects and device pointers are not modified at all, so
marking them as "const" allows the compiler to enforce this.
So, a nice side affect of the Rust development effort has been already
to clean up the driver core code to be more obvious about object
rules.
All of this has been bike-shedded in quite a lot of detail on lkml
with different names and implementations resulting in the tiny version
we have in here, much better than my original proposal. Lots of
subsystem maintainers have acked the changes as well.
Other than this change, included in here are smaller stuff like:
- kernfs fixes and updates to handle lock contention better
- vmlinux.lds.h fixes and updates
- sysfs and debugfs documentation updates
- device property updates
All of these have been in the linux-next tree for quite a while with
no problems"
* tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (58 commits)
device property: Fix documentation for fwnode_get_next_parent()
firmware_loader: fix up to_fw_sysfs() to preserve const
usb.h: take advantage of container_of_const()
device.h: move kobj_to_dev() to use container_of_const()
container_of: add container_of_const() that preserves const-ness of the pointer
driver core: fix up missed drivers/s390/char/hmcdrv_dev.c class.devnode() conversion.
driver core: fix up missed scsi/cxlflash class.devnode() conversion.
driver core: fix up some missing class.devnode() conversions.
driver core: make struct class.devnode() take a const *
driver core: make struct class.dev_uevent() take a const *
cacheinfo: Remove of_node_put() for fw_token
device property: Add a blank line in Kconfig of tests
device property: Rename goto label to be more precise
device property: Move PROPERTY_ENTRY_BOOL() a bit down
device property: Get rid of __PROPERTY_ENTRY_ARRAY_EL*SIZE*()
kernfs: fix all kernel-doc warnings and multiple typos
driver core: pass a const * into of_device_uevent()
kobject: kset_uevent_ops: make name() callback take a const *
kobject: kset_uevent_ops: make filter() callback take a const *
kobject: make kobject_namespace take a const *
...
Here is the large set of USB and Thunderbolt driver changes for 6.2-rc1.
Overall, thanks to the removal of a driver, more lines were removed than
added, a nice change. Highlights include:
- removal of the sisusbvga driver that was not used by anyone anymore
- minor thunderbolt driver changes and tweaks
- chipidea driver updates
- usual set of typec driver features and hardware support added
- musb minor driver fixes
- fotg210 driver fixes, bringing that hardware back from the "dead"
- minor dwc3 driver updates
- addition, and then removal, of a list.h helper function for many USB
and other subsystem drivers, that ended up breaking the build. That
will come back for 6.3-rc1, it missed this merge window.
- usual xhci updates and enhancements
- usb-serial driver updates and support for new devices
- other minor USB driver updates
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt driver updates from Greg KH:
"Here is the large set of USB and Thunderbolt driver changes for
6.2-rc1. Overall, thanks to the removal of a driver, more lines were
removed than added, a nice change. Highlights include:
- removal of the sisusbvga driver that was not used by anyone anymore
- minor thunderbolt driver changes and tweaks
- chipidea driver updates
- usual set of typec driver features and hardware support added
- musb minor driver fixes
- fotg210 driver fixes, bringing that hardware back from the "dead"
- minor dwc3 driver updates
- addition, and then removal, of a list.h helper function for many
USB and other subsystem drivers, that ended up breaking the build.
That will come back for 6.3-rc1, it missed this merge window.
- usual xhci updates and enhancements
- usb-serial driver updates and support for new devices
- other minor USB driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (153 commits)
usb: gadget: uvc: Rename bmInterfaceFlags -> bmInterlaceFlags
usb: dwc2: power on/off phy for peripheral mode in dual-role mode
usb: dwc2: disable lpm feature on Rockchip SoCs
dt-bindings: usb: mtk-xhci: add support for mt7986
usb: dwc3: core: defer probe on ulpi_read_id timeout
usb: ulpi: defer ulpi_register on ulpi_read_id timeout
usb: misc: onboard_usb_hub: add Genesys Logic GL850G hub support
dt-bindings: usb: Add binding for Genesys Logic GL850G hub controller
dt-bindings: vendor-prefixes: add Genesys Logic
usb: fotg210-udc: fix potential memory leak in fotg210_udc_probe()
usb: typec: tipd: Set mode of operation for USB Type-C connector
usb: gadget: udc: drop obsolete dependencies on COMPILE_TEST
usb: musb: remove extra check in musb_gadget_vbus_draw
usb: gadget: uvc: Prevent buffer overflow in setup handler
usb: dwc3: qcom: Fix memory leak in dwc3_qcom_interconnect_init
usb: typec: wusb3801: fix fwnode refcount leak in wusb3801_probe()
usb: storage: Add check for kcalloc
USB: sisusbvga: use module_usb_driver()
USB: sisusbvga: rename sisusb.c to sisusbvga.c
USB: sisusbvga: remove console support
...
API:
- Optimise away self-test overhead when they are disabled.
- Support symmetric encryption via keyring keys in af_alg.
- Flip hwrng default_quality, the default is now maximum entropy.
Algorithms:
- Add library version of aesgcm.
- CFI fixes for assembly code.
- Add arm/arm64 accelerated versions of sm3/sm4.
Drivers:
- Remove assumption on arm64 that kmalloc is DMA-aligned.
- Fix selftest failures in rockchip.
- Add support for RK3328/RK3399 in rockchip.
- Add deflate support in qat.
- Merge ux500 into stm32.
- Add support for TEE for PCI ID 0x14CA in ccp.
- Add mt7986 support in mtk.
- Add MaxLinear platform support in inside-secure.
- Add NPCM8XX support in npcm.
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Merge tag 'v6.2-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Optimise away self-test overhead when they are disabled
- Support symmetric encryption via keyring keys in af_alg
- Flip hwrng default_quality, the default is now maximum entropy
Algorithms:
- Add library version of aesgcm
- CFI fixes for assembly code
- Add arm/arm64 accelerated versions of sm3/sm4
Drivers:
- Remove assumption on arm64 that kmalloc is DMA-aligned
- Fix selftest failures in rockchip
- Add support for RK3328/RK3399 in rockchip
- Add deflate support in qat
- Merge ux500 into stm32
- Add support for TEE for PCI ID 0x14CA in ccp
- Add mt7986 support in mtk
- Add MaxLinear platform support in inside-secure
- Add NPCM8XX support in npcm"
* tag 'v6.2-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (184 commits)
crypto: ux500/cryp - delete driver
crypto: stm32/cryp - enable for use with Ux500
crypto: stm32 - enable drivers to be used on Ux500
dt-bindings: crypto: Let STM32 define Ux500 CRYP
hwrng: geode - Fix PCI device refcount leak
hwrng: amd - Fix PCI device refcount leak
crypto: qce - Set DMA alignment explicitly
crypto: octeontx2 - Set DMA alignment explicitly
crypto: octeontx - Set DMA alignment explicitly
crypto: keembay - Set DMA alignment explicitly
crypto: safexcel - Set DMA alignment explicitly
crypto: hisilicon/hpre - Set DMA alignment explicitly
crypto: chelsio - Set DMA alignment explicitly
crypto: ccree - Set DMA alignment explicitly
crypto: ccp - Set DMA alignment explicitly
crypto: cavium - Set DMA alignment explicitly
crypto: img-hash - Fix variable dereferenced before check 'hdev->req'
crypto: arm64/ghash-ce - use frame_push/pop macros consistently
crypto: arm64/crct10dif - use frame_push/pop macros consistently
crypto: arm64/aes-modes - use frame_push/pop macros consistently
...
Genesys Logic GL850G is a 4-port USB 2.0 STT hub that has a reset pin to
toggle and a 3.3V core supply exported (although an integrated LDO is
available for powering it with 5V).
Add the support for this hub, for controlling the reset pin and the core
power supply.
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20221206055228.306074-4-uwu@icenowy.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now, that we only do usb_register() and usb_sisusb_exit() in
module_init() and module_exit() respectivelly, we can simply use
module_usb_driver().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-sh@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221208090749.28056-3-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As it's the only source for the sisusbvga module, there is no need for a
2-steps build.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-sh@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221208090749.28056-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It was marked as BROKEN since commit 862ee699fe (USB: sisusbvga: Make
console support depend on BROKEN) 2 years ago. Since noone stepped up to
fix it, remove it completely.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-sh@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221208090749.28056-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since commit 0166dc11be ("of: make CONFIG_OF user selectable"), it
is possible to test-build any driver which depends on OF on any
architecture by explicitly selecting OF. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
It is actually better to always build such drivers with OF enabled,
so that the test builds are closer to how each driver will actually be
built on its intended target. Building them without OF may not test
much as the compiler will optimize out potentially large parts of the
code. In the worst case, this could even pop false positive warnings.
Dropping COMPILE_TEST here improves the quality of our testing and
avoids wasting time on non-existent issues.
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20221127155230.144886b7@endymion.delvare
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Richard Leitner <richard.leitner@skidata.com>
Link: https://lore.kernel.org/r/20221118224540.619276-573-uwe@kleine-koenig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221118224540.619276-574-uwe@kleine-koenig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221118224540.619276-575-uwe@kleine-koenig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Variable l is just being accumulated and it's never used
anywhere else. The variable and the addition are redundant so
remove it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221111165724.557152-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Most hw_random devices return entropy which is assumed to be of full
quality, but driver authors don't bother setting the quality knob. Some
hw_random devices return less than full quality entropy, and then driver
authors set the quality knob. Therefore, the entropy crediting should be
opt-out rather than opt-in per-driver, to reflect the actual reality on
the ground.
For example, the two Raspberry Pi RNG drivers produce full entropy
randomness, and both EDK2 and U-Boot's drivers for these treat them as
such. The result is that EFI then uses these numbers and passes the to
Linux, and Linux credits them as boot, thereby initializing the RNG.
Yet, in Linux, the quality knob was never set to anything, and so on the
chance that Linux is booted without EFI, nothing is ever credited.
That's annoying.
The same pattern appears to repeat itself throughout various drivers. In
fact, very very few drivers have bothered setting quality=1024.
Looking at the git history of existing drivers and corresponding mailing
list discussion, this conclusion tracks. There's been a decent amount of
discussion about drivers that set quality < 1024 -- somebody read and
interepreted a datasheet, or made some back of the envelope calculation
somehow. But there's been very little, if any, discussion about most
drivers where the quality is just set to 1024 or unset (or set to 1000
when the authors misunderstood the API and assumed it was base-10 rather
than base-2); in both cases the intent was fairly clear of, "this is a
hardware random device; it's fine."
So let's invert this logic. A hw_random struct's quality knob now
controls the maximum quality a driver can produce, or 0 to specify 1024.
Then, the module-wide switch called "default_quality" is changed to
represent the maximum quality of any driver. By default it's 1024, and
the quality of any particular driver is then given by:
min(default_quality, rng->quality ?: 1024);
This way, the user can still turn this off for weird reasons (and we can
replace whatever driver-specific disabling hacks existed in the past),
yet we get proper crediting for relevant RNGs.
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge 6.1-rc3 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With char becoming unsigned by default, and with `char` alone being
ambiguous and based on architecture, signed chars need to be marked
explicitly as such. This fixes warnings like:
drivers/video/fbdev/sis/init301.c:3549 SiS_GetCRT2Data301() warn: 'SiS_Pr->SiS_EModeIDTable[ModeIdIndex]->ROMMODEIDX661' is unsigned
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-usb@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Variable err_count is just being incremented and it's never used
anywhere else. The variable and the increment are redundant so
remove it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221020130649.1546112-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With the changes to the driver core to make more pointers const, the USB
subsystem also needs to be modified to take a const * for the devnode
callback so that the driver core's constant pointer will also be
properly propagated.
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: Juergen Stuber <starblue@users.sourceforge.net>
Reviewed-by: Johan Hovold <johan@kernel.org>
Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20221001165128.2688526-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the big set of USB and Thunderbolt driver changes for 6.1-rc1.
Nothing major in here, lots of little things with new devices supported
and updates for a few drivers. Highlights include:
- thunderbolt/USB4 devices supported a bit better than before,
and some new ids to enable new hardware devices
- USB gadget uvc updates for newer video formats and better v4l
integration (the v4l portions were acked by those maintainers)
- typec updates for tiny issues and more typec drivers for new
chips.
- xhci tiny updates for minor issues
- big usb-serial ftdi_sio driver update to handle new devices
better
- lots of tiny dwc3 fixes and updates for the IP block that is
showing up everywhere these days
- dts updates for new devices being supported
- other tiny janitorial and cleanups fixes for lots of different
USB drivers. Full details are in the shortlog.
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 'usb-6.1-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 driver changes for 6.1-rc1.
Nothing major in here, lots of little things with new devices
supported and updates for a few drivers. Highlights include:
- thunderbolt/USB4 devices supported a bit better than before, and
some new ids to enable new hardware devices
- USB gadget uvc updates for newer video formats and better v4l
integration (the v4l portions were acked by those maintainers)
- typec updates for tiny issues and more typec drivers for new chips.
- xhci tiny updates for minor issues
- big usb-serial ftdi_sio driver update to handle new devices better
- lots of tiny dwc3 fixes and updates for the IP block that is
showing up everywhere these days
- dts updates for new devices being supported
- other tiny janitorial and cleanups fixes for lots of different USB
drivers. Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
usb: gadget: uvc: don't put item still in use
usb: gadget: uvc: Fix argument to sizeof() in uvc_register_video()
usb: host: ehci-exynos: switch to using gpiod API
Revert "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
Revert "USB: fixup for merge issue with "usb: dwc3: Don't switch OTG -> peripheral if extcon is present""
dt-bindings: usb: Convert FOTG210 to dt schema
usb: mtu3: fix failed runtime suspend in host only mode
USB: omap_udc: Fix spelling mistake: "tranceiver_ctrl" -> "transceiver_ctrl"
usb: typec: ucsi_ccg: Disable UCSI ALT support on Tegra
usb: typec: Replace custom implementation of device_match_fwnode()
usb: typec: ucsi: Don't warn on probe deferral
usb: add quirks for Lenovo OneLink+ Dock
MAINTAINERS: switch dwc3 to Thinh
usb: idmouse: fix an uninit-value in idmouse_open
USB: PHY: JZ4770: Switch to use dev_err_probe() helper
usb: phy: generic: Switch to use dev_err_probe() helper
usb: ulpi: use DEFINE_SHOW_ATTRIBUTE to simplify ulpi_regs
usb: cdns3: remove dead code
usb: cdc-wdm: Use skb_put_data() instead of skb_put/memcpy pair
usb: musb: sunxi: Switch to use dev_err_probe() helper
...
In idmouse_create_image, if any ftip_command fails, it will
go to the reset label. However, this leads to the data in
bulk_in_buffer[HEADER..IMGSIZE] uninitialized. And the check
for valid image incurs an uninitialized dereference.
Fix this by moving the check before reset label since this
check only be valid if the data after bulk_in_buffer[HEADER]
has concrete data.
Note that this is found by KMSAN, so only kernel compilation
is tested.
Reported-by: syzbot+79832d33eb89fb3cd092@syzkaller.appspotmail.com
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Link: https://lore.kernel.org/r/20220922134847.1101921-1-dzm91@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs. It's more simple in error path.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220922123951.2004328-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Smatch reports the following warning:
drivers/usb/misc/usb3503.c:267 usb3503_probe() warn: 'hub->clk'
from clk_prepare_enable() not released on lines: 240,246,252
Fix this by adding a flag to indicate if hub->clk is prepared or not
and invoke clk_disable_unprepare in the error handling.
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Link: https://lore.kernel.org/r/20220908055903.3550723-1-dzm91@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Smatch reports the following error: uninitialized symbol 'rlen'
drivers/usb/misc/uss720.c:514 parport_uss720_epp_write_data() error
drivers/usb/misc/uss720.c:575 parport_uss720_ecp_write_data() error
drivers/usb/misc/uss720.c:593 parport_uss720_ecp_read_data() error
drivers/usb/misc/uss720.c:626 parport_uss720_write_compat() error
The root cause is, the failure of usb_bulk_msg leads to the
uninitialized variable rlen in printk function.
Fix this by initializing rlen with zero.
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Link: https://lore.kernel.org/r/20220903100004.2874741-1-dzm91@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We need the USB fixes in here and this resolves the merge issue in:
drivers/usb/dwc3/gadget.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
onboard_hub_power_off() currently has a delay after asserting the
reset of the hub. There is already a delay in onboard_hub_power_on()
before de-asserting the reset, which ensures that the reset is
asserted for the required time, so the delay in _power_off() is not
needed.
Skip the reset GPIO check before calling gpiod_set_value_cansleep(),
the function returns early when the GPIO descriptor is NULL.
Reviewed-By: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220805111836.1.Id5a4dc0a2c046236116693aa55672295513a0f2a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Here is the big set of tty and serial driver changes for 6.0-rc1.
It was delayed from last week as I wanted to make sure the last commit
here got some good testing in linux-next and elsewhere as it seemed to
show up only late in testing for some reason.
Nothing major here, just lots of cleanups from Jiri and Ilpo to make the
tty core cleaner (Jiri) and the rs485 code simpler to use (Ilpo). Also
included in here is the obligatory n_gsm updates from Daniel Starke and
lots of tiny driver updates and minor fixes and tweaks for other smaller
serial drivers.
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.0-rc1.
It was delayed from last week as I wanted to make sure the last commit
here got some good testing in linux-next and elsewhere as it seemed to
show up only late in testing for some reason.
Nothing major here, just lots of cleanups from Jiri and Ilpo to make
the tty core cleaner (Jiri) and the rs485 code simpler to use (Ilpo).
Also included in here is the obligatory n_gsm updates from Daniel
Starke and lots of tiny driver updates and minor fixes and tweaks for
other smaller serial drivers.
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (186 commits)
tty: serial: qcom-geni-serial: Fix %lu -> %u in print statements
tty: amiserial: Fix comment typo
tty: serial: document uart_get_console()
tty: serial: serial_core, reformat kernel-doc for functions
Documentation: serial: link uart_ops properly
Documentation: serial: move GPIO kernel-doc to the functions
Documentation: serial: dedup kernel-doc for uart functions
Documentation: serial: move uart_ops documentation to the struct
dt-bindings: serial: snps-dw-apb-uart: Document Rockchip RV1126
serial: mvebu-uart: uart2 error bits clearing
tty: serial: fsl_lpuart: correct the count of break characters
serial: stm32: make info structs static to avoid sparse warnings
serial: fsl_lpuart: zero out parity bit in CS7 mode
tty: serial: qcom-geni-serial: Fix get_clk_div_rate() which otherwise could return a sub-optimal clock rate.
serial: 8250_bcm2835aux: Add missing clk_disable_unprepare()
tty: vt: initialize unicode screen buffer
serial: remove VR41XX serial driver
serial: 8250: lpc18xx: Remove redundant sanity check for RS485 flags
serial: 8250_dwlib: remove redundant sanity check for RS485 flags
dt_bindings: rs485: Correct delay values
...
onboard_hub_power_on() already ensures the reset pulse width delay, so
there is no need to wait right after requesting GPIO as well.
Fixes: 40758e493f ("usb: misc: onboard_usb_hub: Add reset-gpio support")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220728064937.917935-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Despite default reset upon probe, release reset line after powering up
the hub and assert reset again before powering down.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220727141117.909361-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for Microchip USB2514B USB 2.0 hub to the onboard usb hub
driver. Adopt the generic usb-device compatible ("usbVID,PID").
Some STM32MP1 boards have this hub on-board, with a supply that needs to
be enabled for proper operation.
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20220726080708.162547-3-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
