If the LS/FS device is connected to an external HS hub, the member
@tt_info in xhci_virt_device struct in not NULL, use it to check
whether a LS/FS device is under an exernal HS hub, then no need get
the slot context of this device.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/8117df52f16bd03087e486d7d740a183b6dd634a.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In USB2 Spec:
"11.18.5 TT Response Generation
In general, there will be two (or more) complete-split
transactions scheduled for a periodic endpoint.
However, for interrupt endpoints, the maximum size of
the full-/low-speed transaction guarantees that it can
never require more than two complete-split transactions.
Two complete-split transactions are only required
when the transaction spans a microframe boundary."
Due to the maxp is 64, and less then 188 (at most in one
microframe), seems never span boundary, so use only one CS
for FS/LS interrupt transfer, this will save some bandwidth.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/5b9ff09f53d23cf9e5c5437db4ffc18b798bf60c.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the USB headset is plug into an external hub, sometimes
can't set config due to not enough bandwidth, so need improve
LS/FS INT/ISOC bandwidth scheduling with TT.
Fixes: 54f6a8af37 ("usb: xhci-mtk: skip dropping bandwidth of unchecked endpoints")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Yaqii Wu <yaqii.wu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/2f30e81400a59afef5f8231c98149169c7520519.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Side effect may happen if use or operator to set schedule parameters
when the parameters are already set before. Set them directly due to
other bits are reserved.
Fixes: 54f6a8af37 ("usb: xhci-mtk: skip dropping bandwidth of unchecked endpoints")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/d287899e6beb2fc1bfb8900c75a872f628ecde55.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The new struct member was added to struct dwc3, but
a documentation was missing:
drivers/usb/dwc3/core.h:1273: warning: Function parameter or member 'usb_psy' not described in 'dwc3'
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ray Chi <raychi@google.com>
Link: https://lore.kernel.org/r/20210303095802.2801733-1-raychi@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently the null check logic on dwc->usb_psy is inverted as it allows
calls to power_supply_put with a null dwc->usb_psy causing a null
pointer dereference. Fix this by removing the ! operator.
Addresses-Coverity: ("Dereference after null check")
Fixes: 59fa3def35de ("usb: dwc3: add a power supply for current control")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210303095826.6143-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The single debugfs file for this driver really is a log file, so make a
subdir and call it "log" to make it obvious this is what it is for.
This makes cleanup simpler as we just remove the whole directory, no
need to handle individual files anymore.
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: linux-usb@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210216144645.3813043-6-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The single debugfs file for this driver really is a log file, so make a
subdir and call it "log" to make it obvious this is what it is for.
This makes cleanup simpler as we just remove the whole directory, no
need to handle individual files anymore.
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: linux-usb@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210216144645.3813043-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to keep the dentry pointer around for the created
debugfs file, as it is only needed when removing it from the system.
When it is to be removed, ask debugfs itself for the pointer, to save on
storage and make things a bit simpler.
And, no one noticed that a __maybe_unused dentry * in uhci_start()
really was unused, so remove that as it's obviously not needed, and
hasn't been for quite some time.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20210216144645.3813043-4-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to keep the dentry pointer around for the created
debugfs file, as it is only needed when removing it from the system.
When it is to be removed, ask debugfs itself for the pointer, to save on
storage and make things a bit simpler.
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20210216144645.3813043-3-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to keep the dentry pointer around for the created
debugfs file, as it is only needed when removing it from the system.
When it is to be removed, ask debugfs itself for the pointer, to save on
storage and make things a bit simpler.
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20210216144645.3813043-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to keep the dentry pointer around for the created
debugfs file, as it is only needed when removing it from the system.
When it is to be removed, ask debugfs itself for the pointer, to save on
storage and make things a bit simpler.
Cc: Olav Kongas <ok@artecdesign.ee>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20210216144645.3813043-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These are entries related to STM32MP1 PHY control.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Martin Devera <devik@eaxlabs.cz>
Link: https://lore.kernel.org/r/20210227215528.12752-1-devik@eaxlabs.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.
Generated by: scripts/coccinelle/misc/flexible_array.cocci
Fixes: fc53d52790 ("usb: chipidea: tegra: Support host mode")
CC: Peter Geis <pgwipeout@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2102132108040.2720@hadrien
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The variable 'value' is being initialized with 1 that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210217210124.197780-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to save the usb_devices debugfs file as we only need it
when removing it, so have the debugfs code look it up when it is needed
instead, saving the storage.
Link: https://lore.kernel.org/r/YCubCA/trHAF7PtF@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In line 824, it is trying to enable `out_ep`, so I
believe that in line 826, it should print `out_ep`
instead of `in_ep`.
Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com>
Link: https://lore.kernel.org/r/20210214121929.9750-1-jj251510319013@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When vbus auto discharge is enabled, TCPM can sometimes be faster than
the TCPC i.e. TCPM can go ahead and move the port to unattached state
(involves disabling vbus auto discharge) before TCPC could effectively
discharge vbus to VSAFE0V. This leaves vbus with residual charge and
increases the decay time which prevents tsafe0v from being met.
This change makes TCPM waits for a maximum of tSafe0V(max) for vbus
to discharge to VSAFE0V before transitioning to unattached state
and re-enable toggling. If vbus discharges to vsafe0v sooner, then,
transition to unattached state
happens right away.
Also, while in SNK_READY, when auto discharge is enabled, drive
disconnect based on vbus turning off instead of Rp disappearing on
CC pins. Rp disappearing on CC pins is almost instanteous compared
to vbus decay.
Sink detach:
[ 541.703058] CC1: 3 -> 0, CC2: 0 -> 0 [state SNK_READY, polarity 0, disconnected]
[ 541.703331] Setting voltage/current limit 5000 mV 0 mA
[ 541.727235] VBUS on
[ 541.749650] VBUS off
[ 541.749653] pending state change SNK_READY -> SNK_UNATTACHED @ 650 ms [rev3 NONE_AMS]
[ 541.749944] VBUS VSAFE0V
[ 541.749945] state change SNK_READY -> SNK_UNATTACHED [rev3 NONE_AMS]
[ 541.750806] Disable vbus discharge ret:0
[ 541.907345] Start toggling
[ 541.922799] CC1: 0 -> 0, CC2: 0 -> 0 [state TOGGLING, polarity 0, disconnected]
Source detach:
[ 2555.310414] state change SRC_SEND_CAPABILITIES -> SRC_READY [rev3 POWER_NEGOTIATION]
[ 2555.310675] AMS POWER_NEGOTIATION finished
[ 2555.310679] cc:=3
[ 2593.645886] CC1: 0 -> 0, CC2: 2 -> 0 [state SRC_READY, polarity 1, disconnected]
[ 2593.645919] pending state change SRC_READY -> SNK_UNATTACHED @ 650 ms [rev3 NONE_AMS]
[ 2593.648419] VBUS off
[ 2593.648960] VBUS VSAFE0V
[ 2593.648965] state change SRC_READY -> SNK_UNATTACHED [rev3 NONE_AMS]
[ 2593.649962] Disable vbus discharge ret:0
[ 2593.890322] Start toggling
[ 2593.925663] CC1: 0 -> 0, CC2: 0 -> 0 [state TOGGLING, polarity 0,
Fixes: f321a02cae ("usb: typec: tcpm: Implement enabling Auto Discharge disconnect support")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20210225101104.1680697-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This allows to trace status information which helps to debug problems
with role switching, etc.
We don't use the generic FIELD_GET() to reduce the macro size since we
otherwise trip up sparse.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Link: https://lore.kernel.org/r/d24742be3c98382cbef17047f3eecf0f7d807f31.1613389531.git.agx@sigxcpu.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Allow to get irq event information via the tracing framework. This
allows to inspect USB-C negotiation at runtime.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Link: https://lore.kernel.org/r/11444ae487d69da98ec20a18f2e49259e68319e3.1613389531.git.agx@sigxcpu.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds an alternate path in vbus_draw callback through
power supply property POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT.
Signed-off-by: Ray Chi <raychi@google.com>
Link: https://lore.kernel.org/r/20210222115149.3606776-3-raychi@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, VBUS draw callback does no action when the
generic PHYs are used. This patch adds an additional
path to control charging current through power supply
interface.
Signed-off-by: Ray Chi <raychi@google.com>
Link: https://lore.kernel.org/r/20210222115149.3606776-2-raychi@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
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Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
* tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (38 commits)
initramfs: Remove redundant dependency of RD_ZSTD on BLK_DEV_INITRD
kbuild: remove deprecated 'always' and 'hostprogs-y/m'
kbuild: parse C= and M= before changing the working directory
kbuild: reuse this-makefile to define abs_srctree
kconfig: unify rule of config, menuconfig, nconfig, gconfig, xconfig
kconfig: omit --oldaskconfig option for 'make config'
kconfig: fix 'invalid option' for help option
kconfig: remove dead code in conf_askvalue()
kconfig: clean up nested if-conditionals in check_conf()
kconfig: Remove duplicate call to sym_get_string_value()
Makefile: Remove # characters from compiler string
Makefile: reuse CC_VERSION_TEXT
kbuild: check the minimum linker version in Kconfig
kbuild: remove ld-version macro
scripts: add generic syscallhdr.sh
scripts: add generic syscalltbl.sh
arch: syscalls: remove $(srctree)/ prefix from syscall tables
arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work
gen_compile_commands: prune some directories
kbuild: simplify access to the kernel's version
...
- Generalise byte swapping assembly
- Update debug addresses for STI
- Validate start of physical memory with DTB
- Do not clear SCTLR.nTLSMD in decompressor
- amba/locomo/sa1111 devices remove method return type is void
- address markers for KASAN in page table dump
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- Generalise byte swapping assembly
- Update debug addresses for STI
- Validate start of physical memory with DTB
- Do not clear SCTLR.nTLSMD in decompressor
- amba/locomo/sa1111 devices remove method return type is void
- address markers for KASAN in page table dump
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
amba: Make use of bus_type functions
amba: Make the remove callback return void
vfio: platform: simplify device removal
amba: reorder functions
amba: Fix resource leak for drivers without .remove
ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
ARM: 9051/1: vdso: remove unneded extra-y addition
ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
ARM: 9049/1: locomo: make locomo bus's remove callback return void
ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
ARM: 9047/1: smp: remove unused variable
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
ARM: 9042/1: debug: no uncompress debugging while semihosting
ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build
host fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device(). In preparation for
this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
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Merge tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build host
fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device().
In preparation for this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
* tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
driver core: platform: Drop of_device_node_put() wrapper
of: Remove of_dev_{get,put}()
dt-bindings: usb: Change descibe to describe in usbmisc-imx.txt
dt-bindings: can: rcar_canfd: Group tuples in pin control properties
dt-bindings: power: renesas,apmu: Group tuples in cpus properties
dt-bindings: mtd: spi-nor: Convert to DT schema format
dt-bindings: Use portable sort for version cmp
dt-bindings: ethernet-controller: fix fixed-link specification
dt-bindings: irqchip: Add node name to PRUSS INTC
dt-bindings: interconnect: Fix the expected number of cells
dt-bindings: Fix errors in 'if' schemas
dt-bindings: iommu: renesas,ipmmu-vmsa: Make 'power-domains' conditionally required
dt-bindings: Fix undocumented compatible strings in examples
kbuild: Add support to build overlays (%.dtbo)
scripts: dtc: Remove the unused fdtdump.c file
scripts: dtc: Build fdtoverlay tool
scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9
scripts: dtc: Fetch fdtoverlay.c from external DTC project
dt-bindings: thermal: sun8i: Fix misplaced schema keyword in compatible strings
dt-bindings: iio: dac: Fix AD5686 references
...
Instead of storing the version in a single integer and having various
kernel (and userspace) code how it's constructed, export individual
(major, patchlevel, sublevel) components and simplify kernel code that
uses it.
This should also make it easier on userspace.
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
of_dev_get() and of_dev_put are just wrappers for get_device()/put_device()
on a platform_device. There's also already platform_device_{get,put}()
wrappers for this purpose. Let's update the few users and remove
of_dev_{get,put}().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Julia Lawall <Julia.Lawall@inria.fr>
Cc: Gilles Muller <Gilles.Muller@inria.fr>
Cc: Nicolas Palix <nicolas.palix@imag.fr>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-usb@vger.kernel.org
Cc: cocci@systeme.lip6.fr
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210211232745.1498137-2-robh@kernel.org
As started by commit 05a5f51ca5 ("Documentation: Replace lkml.org
links with lore"), replace lkml.org links with lore to better use a
single source that's more likely to stay available long-term.
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210210235330.3292719-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Without this quirk starting a video capture from the device often fails with
kernel: uvcvideo: Failed to set UVC probe control : -110 (exp. 34).
Signed-off-by: Stefan Ursella <stefan.ursella@wolfvision.net>
Link: https://lore.kernel.org/r/20210210140713.18711-1-stefan.ursella@wolfvision.net
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are the USB-serial updates for 5.12-rc1, including:
- a line-speed fix for newer pl2303 devices
- a line-speed fix for FTDI FT-X devices
- a new xr_serial driver for MaxLinear/Exar devices (non-ACM mode)
- a cdc-acm blacklist entry for when the xr_serial driver is enabled
- cp210x support for software flow control
- various cp210x modem-control fixes
- an updated ZTE P685M modem entry to stop claiming the QMI interface
- an update to drop the port_remove() driver-callback return value
Included are also various clean ups.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.12-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 5.12-rc1
Here are the USB-serial updates for 5.12-rc1, including:
- a line-speed fix for newer pl2303 devices
- a line-speed fix for FTDI FT-X devices
- a new xr_serial driver for MaxLinear/Exar devices (non-ACM mode)
- a cdc-acm blacklist entry for when the xr_serial driver is enabled
- cp210x support for software flow control
- various cp210x modem-control fixes
- an updated ZTE P685M modem entry to stop claiming the QMI interface
- an update to drop the port_remove() driver-callback return value
Included are also various clean ups.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.12-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial: (41 commits)
USB: serial: drop bogus to_usb_serial_port() checks
USB: serial: make remove callback return void
USB: serial: drop if with an always false condition
USB: serial: option: update interface mapping for ZTE P685M
USB: serial: ftdi_sio: restore divisor-encoding comments
USB: serial: ftdi_sio: fix FTX sub-integer prescaler
USB: serial: cp210x: clean up auto-RTS handling
USB: serial: cp210x: fix RTS handling
USB: serial: cp210x: clean up printk zero padding
USB: serial: cp210x: clean up flow-control debug message
USB: serial: cp210x: drop shift macros
USB: serial: cp210x: fix modem-control handling
USB: serial: cp210x: suppress modem-control errors
USB: serial: mos7720: fix error code in mos7720_write()
USB: serial: xr: fix B0 handling
USB: serial: xr: fix pin configuration
USB: serial: xr: fix gpio-mode handling
USB: serial: xr: simplify line-speed logic
USB: serial: xr: clean up line-settings handling
USB: serial: xr: document vendor-request recipient
...
The to_usb_serial_port() macro is implemented using container_of() so
there's no need to check for NULL.
Note that neither bus match() or probe() is ever called with a NULL
struct device pointer so the checks weren't just misplaced.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
All usb_serial drivers return 0 in their remove callbacks and driver
core ignores the value returned by usb_serial_device_remove(). So change
the remove callback to return void and return 0 unconditionally in
usb_serial_device_remove().
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210208143149.963644-2-uwe@kleine-koenig.org
Signed-off-by: Johan Hovold <johan@kernel.org>
In a bus remove function the passed device is always valid, so there is
no need to check for it being NULL.
(Side note: The check for port being non-NULL is broken anyhow, because
to_usb_serial_port() is a wrapper around container_of() for a member that is
not the first one. So port can hardly become NULL.)
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210208143149.963644-1-uwe@kleine-koenig.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Commit a079973f46 ("usb: typec: tcpm: Remove tcpc_config
configuration mechanism") removed the tcpc_config which includes the
Sink VDO and it is not yet added back with fwnode. Add it now.
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210205033415.3320439-8-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Chunfeng Yun
Ray Chi
Colin Ian King
Greg Kroah-Hartman
Martin Devera
kernel test robot
Chen Lin
Wei Ming Chen
Badhri Jagan Sridharan
Guido Günther
Linus Torvalds
Sasha Levin
Rob Herring
Michal Simek
Kees Cook
Stefan Ursella
Johan Hovold
Uwe Kleine-König
Jiapeng Chong
Kyle Tso