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Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.9-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/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues"
* tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
dt-bindings: serial: stm32: add power-domains property
serial: 8250_dw: Replace ACPI device check by a quirk
serial: Lock console when calling into driver before registration
serial: 8250_uniphier: Switch to use uart_read_port_properties()
serial: 8250_tegra: Switch to use uart_read_port_properties()
serial: 8250_pxa: Switch to use uart_read_port_properties()
serial: 8250_omap: Switch to use uart_read_port_properties()
serial: 8250_of: Switch to use uart_read_port_properties()
serial: 8250_lpc18xx: Switch to use uart_read_port_properties()
serial: 8250_ingenic: Switch to use uart_read_port_properties()
serial: 8250_dw: Switch to use uart_read_port_properties()
serial: 8250_bcm7271: Switch to use uart_read_port_properties()
serial: 8250_bcm2835aux: Switch to use uart_read_port_properties()
serial: 8250_aspeed_vuart: Switch to use uart_read_port_properties()
serial: port: Introduce a common helper to read properties
serial: core: Add UPIO_UNKNOWN constant for unknown port type
serial: core: Move struct uart_port::quirks closer to possible values
serial: sh-sci: Call sci_serial_{in,out}() directly
serial: core: only stop transmit when HW fifo is empty
serial: pch: Use uart_prepare_sysrq_char().
...
The ATS2851 controller erroneously reports support for the "Read
Encryption Key Length" HCI command. This makes it unable to connect
to any devices, since this command is issued by the kernel during the
connection process in response to an "Encryption Change" HCI event.
Add a new quirk (HCI_QUIRK_BROKEN_ENC_KEY_SIZE) to hint that the command
is unsupported, preventing it from interrupting the connection process.
This is the error log from btmon before this patch:
> HCI Event: Encryption Change (0x08) plen 4
Status: Success (0x00)
Handle: 2048 Address: ...
Encryption: Enabled with E0 (0x01)
< HCI Command: Read Encryption Key Size (0x05|0x0008) plen 2
Handle: 2048 Address: ...
> HCI Event: Command Status (0x0f) plen 4
Read Encryption Key Size (0x05|0x0008) ncmd 1
Status: Unknown HCI Command (0x01)
Signed-off-by: Vinicius Peixoto <nukelet64@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Since dracut refers to the module info for defining the required
firmware files and btmtk driver doesn't provide the firmware info for
MT7922, the generate initrd misses the firmware, resulting in the
broken Bluetooth.
This patch simply adds the MODULE_FIRMWARE() for the missing entry
for covering that.
Link: https://bugzilla.suse.com/show_bug.cgi?id=1214133
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This checks if CONFIG_DEV_COREDUMP is enabled before attempting to clone
the skb and also make sure btmtk_process_coredump frees the skb passed
following the same logic.
Fixes: 0b70151328 ("Bluetooth: btusb: mediatek: add MediaTek devcoredump support")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In some cases uart-base drivers may need to use priv data. For
example, to store information needed for devcoredump.
Fixes: 044014ce85 ("Bluetooth: btrtl: Add Realtek devcoredump support")
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes the following build regression:
drivers-bluetooth-btintel.c-btintel_read_version()-warn:
passing-zero-to-PTR_ERR
Fixes: b79e040910 ("Bluetooth: btintel: Fix null ptr deref in btintel_read_version")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The optional variants for the gpiod_get() family of functions return NULL
if the GPIO in question is not associated with this device. They return
ERR_PTR() on any other error. NULL descriptors are graciously handled by
GPIOLIB and can be safely passed to any of the GPIO consumer interfaces
as they will return 0 and act as if the function succeeded. If one is
using the optional variant, then there's no point in checking for NULL.
Fixes: 6845667146 ("Bluetooth: hci_qca: Fix NULL vs IS_ERR_OR_NULL check in qca_serdev_probe")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Firmware sequencer (FSEQ) is a common code shared across Bluetooth
and Wifi. Printing FSEQ will help to debug if there is any mismatch
between Bluetooth and Wifi FSEQ.
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use devm_kstrdup() instead of hand-writing it.
It is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use strreplace() instead of hand-writing it.
It is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If hci_cmd_sync_complete() is triggered and skb is NULL, then
hdev->req_skb is NULL, which will cause this issue.
Reported-and-tested-by: syzbot+830d9e3fa61968246abd@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes the tx timeout issue seen while running a stress test on
btnxpuart for couple of hours, such that the interval between two HCI
commands coincide with the power save timeout value of 2 seconds.
Test procedure using bash script:
<load btnxpuart.ko>
hciconfig hci0 up
//Enable Power Save feature
hcitool -i hci0 cmd 3f 23 02 00 00
while (true)
do
hciconfig hci0 leadv
sleep 2
hciconfig hci0 noleadv
sleep 2
done
Error log, after adding few more debug prints:
Bluetooth: btnxpuart_queue_skb(): 01 0A 20 01 00
Bluetooth: hci0: Set UART break: on, status=0
Bluetooth: hci0: btnxpuart_tx_wakeup() tx_work scheduled
Bluetooth: hci0: btnxpuart_tx_work() dequeue: 01 0A 20 01 00
Can't set advertise mode on hci0: Connection timed out (110)
Bluetooth: hci0: command 0x200a tx timeout
When the power save mechanism turns on UART break, and btnxpuart_tx_work()
is scheduled simultaneously, psdata->ps_state is read as PS_STATE_AWAKE,
which prevents the psdata->work from being scheduled, which is responsible
to turn OFF UART break.
This issue is fixed by adding a ps_lock mutex around UART break on/off as
well as around ps_state read/write.
btnxpuart_tx_wakeup() will now read updated ps_state value. If ps_state is
PS_STATE_SLEEP, it will first schedule psdata->work, and then it will
reschedule itself once UART break has been turned off and ps_state is
PS_STATE_AWAKE.
Tested above script for 50,000 iterations and TX timeout error was not
observed anymore.
Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
hci_coredump_qca() uses __hci_cmd_sync() to send a vendor-specific command
to trigger firmware coredump, but the command does not have any event as
its sync response, so it is not suitable to use __hci_cmd_sync(), fixed by
using __hci_cmd_send().
Fixes: 06d3fdfcdf ("Bluetooth: hci_qca: Add qcom devcoredump support")
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
BT adapter going into UNCONFIGURED state during BT turn ON when
devicetree has no local-bd-address node.
Bluetooth will not work out of the box on such devices, to avoid this
problem, added check to set HCI_QUIRK_USE_BDADDR_PROPERTY based on
local-bd-address node entry.
When this quirk is not set, the public Bluetooth address read by host
from controller though HCI Read BD Address command is
considered as valid.
Fixes: e668eb1e15 ("Bluetooth: hci_core: Don't stop BT if the BD address missing in dts")
Signed-off-by: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
A recent commit restored the original (and still documented) semantics
for the HCI_QUIRK_USE_BDADDR_PROPERTY quirk so that the device address
is considered invalid unless an address is provided by firmware.
This specifically means that this flag must only be set for devices with
invalid addresses, but the Broadcom BCM4377 driver has so far been
setting this flag unconditionally.
Fortunately the driver already checks for invalid addresses during setup
and sets the HCI_QUIRK_INVALID_BDADDR flag, which can simply be replaced
with HCI_QUIRK_USE_BDADDR_PROPERTY to indicate that the default address
is invalid but can be overridden by firmware (long term, this should
probably just always be allowed).
Fixes: 6945795bc8 ("Bluetooth: fix use-bdaddr-property quirk")
Cc: stable@vger.kernel.org # 6.5
Reported-by: Felix Zhang <mrman@mrman314.tech>
Link: https://lore.kernel.org/r/77419ffacc5b4875e920e038332575a2a5bff29f.camel@mrman314.tech/
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reported-by: Felix Zhang <mrman@mrman314.tech>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
receive_buf() is called from ttyport_receive_buf() that expects values
">= 0" from serdev_controller_receive_buf(), change its return type from
ssize_t to size_t.
The need for this clean-up was noticed while fixing a warning, see
commit 94d0539425 ("Bluetooth: btnxpuart: fix recv_buf() return value").
Changing the callback prototype to return an unsigned seems the best way
to document the API and ensure that is properly used.
GNSS drivers implementation of serdev receive_buf() callback return
directly the return value of gnss_insert_raw(). gnss_insert_raw()
returns a signed int, however this is not an issue since the value
returned is always positive, because of the kfifo_in() implementation.
gnss_insert_raw() could be changed to return also an unsigned, however
this is not implemented here as request by the GNSS maintainer Johan
Hovold.
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Reviewed-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com> # for platform/surface
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240122180551.34429-1-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the big set of USB and Thunderbolt changes for 6.8-rc1.
Included in here are the following:
- Thunderbolt subsystem and driver updates for USB 4 hardware and
issues reported by real devices
- xhci driver updates
- dwc3 driver updates
- uvc_video gadget driver updates
- typec driver updates
- gadget string functions cleaned up
- other small changes
All of these have been in the linux-next tree for a while with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-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 6.8-rc1.
Included in here are the following:
- Thunderbolt subsystem and driver updates for USB 4 hardware and
issues reported by real devices
- xhci driver updates
- dwc3 driver updates
- uvc_video gadget driver updates
- typec driver updates
- gadget string functions cleaned up
- other small changes
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'usb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
usb: typec: tipd: fix use of device-specific init function
usb: typec: tipd: Separate reset for TPS6598x
usb: mon: Fix atomicity violation in mon_bin_vma_fault
usb: gadget: uvc: Remove nested locking
usb: gadget: uvc: Fix use are free during STREAMOFF
usb: typec: class: fix typec_altmode_put_partner to put plugs
dt-bindings: usb: dwc3: Limit num-hc-interrupters definition
dt-bindings: usb: xhci: Add num-hc-interrupters definition
xhci: add support to allocate several interrupters
USB: core: Use device_driver directly in struct usb_driver and usb_device_driver
arm64: dts: mediatek: mt8195: Add 'rx-fifo-depth' for cherry
usb: xhci-mtk: fix a short packet issue of gen1 isoc-in transfer
dt-bindings: usb: mtk-xhci: add a property for Gen1 isoc-in transfer issue
arm64: dts: qcom: msm8996: Remove PNoC clock from MSS
arm64: dts: qcom: msm8996: Remove AGGRE2 clock from SLPI
arm64: dts: qcom: msm8998: Remove AGGRE2 clock from SLPI
arm64: dts: qcom: msm8939: Drop RPM bus clocks
arm64: dts: qcom: sdm630: Drop RPM bus clocks
arm64: dts: qcom: qcs404: Drop RPM bus clocks
arm64: dts: qcom: msm8996: Drop RPM bus clocks
...
Here is the big set of tty and serial driver changes for 6.8-rc1.
As usual, Jiri has a bunch of refactoring and cleanups for the tty core
and drivers in here, along with the usual set of rs485 updates (someday
this might work properly...) Along with those, in here are changes for:
- sc16is7xx serial driver updates
- platform driver removal api updates
- amba-pl011 driver updates
- tty driver binding updates
- other small tty/serial driver updates and changes
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 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.8-rc1.
As usual, Jiri has a bunch of refactoring and cleanups for the tty
core and drivers in here, along with the usual set of rs485 updates
(someday this might work properly...)
Along with those, in here are changes for:
- sc16is7xx serial driver updates
- platform driver removal api updates
- amba-pl011 driver updates
- tty driver binding updates
- other small tty/serial driver updates and changes
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (197 commits)
serial: sc16is7xx: refactor EFR lock
serial: sc16is7xx: reorder code to remove prototype declarations
serial: sc16is7xx: refactor FIFO access functions to increase commonality
serial: sc16is7xx: drop unneeded MODULE_ALIAS
serial: sc16is7xx: replace hardcoded divisor value with BIT() macro
serial: sc16is7xx: add explicit return for some switch default cases
serial: sc16is7xx: add macro for max number of UART ports
serial: sc16is7xx: add driver name to struct uart_driver
serial: sc16is7xx: use i2c_get_match_data()
serial: sc16is7xx: use spi_get_device_match_data()
serial: sc16is7xx: use DECLARE_BITMAP for sc16is7xx_lines bitfield
serial: sc16is7xx: improve do/while loop in sc16is7xx_irq()
serial: sc16is7xx: remove obsolete loop in sc16is7xx_port_irq()
serial: sc16is7xx: set safe default SPI clock frequency
serial: sc16is7xx: add check for unsupported SPI modes during probe
serial: sc16is7xx: fix invalid sc16is7xx_lines bitfield in case of probe error
serial: 8250_exar: Set missing rs485_supported flag
serial: omap: do not override settings for RS485 support
serial: core, imx: do not set RS485 enabled if it is not supported
serial: core: make sure RS485 cannot be enabled when it is not supported
...
There is usbdrv_wrap in struct usb_driver and usb_device_driver, it
contains device_driver and for_devices. for_devices is used to
distinguish between device drivers and interface drivers.
Like the is_usb_device(), it tests the type of the device. We can test
that if the probe of device_driver is equal to usb_probe_device in
is_usb_device_driver(), and then the struct usbdrv_wrap is no longer
needed.
Clean up struct usbdrv_wrap, use device_driver directly in struct
usb_driver and usb_device_driver. This makes the code cleaner.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240104032822.1896596-1-yajun.deng@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove useless assignment of rx_skb to NULL in case the skb is in error,
this is already done in h4_recv_buf() that is executed a few lines
before.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Serdev recv_buf() callback is supposed to return the amount of bytes
consumed, therefore an int in between 0 and count.
Do not return negative number in case of issue, just print an error and
return count. This fixes a WARN in ttyport_receive_buf().
Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/
Fixes: 7237c4c9ec ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Serdev recv_buf() callback is supposed to return the amount of bytes
consumed, therefore an int in between 0 and count.
Do not return a negative number in case of issue, just print an error
and return count. Before this change, in case of error, the returned
negative number was internally converted to 0 in ttyport_receive_buf,
now when the receive buffer is corrupted we return the size of the whole
received data (`count`). This should allow for better recovery in case
receiver/transmitter get out of sync if some data is lost.
This fixes a WARN in ttyport_receive_buf().
Bluetooth: hci0: Frame reassembly failed (-84)
------------[ cut here ]------------
serial serial0: receive_buf returns -84 (count = 6)
WARNING: CPU: 0 PID: 37 at drivers/tty/serdev/serdev-ttyport.c:37 ttyport_receive_buf+0xd8/0xf8
Modules linked in: mwifiex_sdio(+) ...
CPU: 0 PID: 37 Comm: kworker/u4:2 Not tainted 6.7.0-rc2-00147-gf1a09972a45a #1
Hardware name: Toradex Verdin AM62 WB on Verdin Development Board (DT)
Workqueue: events_unbound flush_to_ldisc
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ttyport_receive_buf+0xd8/0xf8
lr : ttyport_receive_buf+0xd8/0xf8
...
Call trace:
ttyport_receive_buf+0xd8/0xf8
flush_to_ldisc+0xbc/0x1a4
process_scheduled_works+0x16c/0x28c
Closes: https://lore.kernel.org/all/ZWEIhcUXfutb5SY6@francesco-nb.int.toradex.com/
Fixes: 689ca16e52 ("Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
For QCA2066 HFP offload, HCI_Configure_Data_Path is not required since
present HCI_Enhanced_Setup_Synchronous_Connection is enough to configure
non-HCI data transport path when set both Input_Data_Path and
Output_Data_Path parameters as 0x01, as is implemented by this change.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Intel Read Version event contains a TLV(0x32) having firmware sha1 in
operational image.
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This checks if there are connections before suspending since that may
disrupt the connections making it stop receiving any data if remote
wakeup is not enabled.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Set both WIDEBAND_SPEECH_SUPPORTED and VALID_LE_STATES quirks
for QCA2066.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.
This patch converts struct serdev_device_ops hooks and its
instantiations.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Acked-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20231206073712.17776-24-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The BTMTKSDIO_BT_WAKE_ENABLED flag is set for bluetooth interrupt
during system suspend and increases wakeup count for bluetooth event.
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch adds support for QCA2066 firmware patch and NVM downloading.
as the RF performance of QCA2066 SOC chip from different foundries may
vary. Therefore we use different NVM to configure them based on board ID.
Changes in v2
- optimize the function qca_generate_hsp_nvm_name
- remove redundant debug code for function qca_read_fw_board_id
Signed-off-by: Tim Jiang <quic_tjiang@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If CONFIG_DEV_COREDUMP was not set, it would return -EOPNOTSUPP for
hci_devcd_register().
In this commit, ignore error return for hci_devcd_register().
Otherwise Bluetooth initialization will be failed.
Fixes: 044014ce85 ("Bluetooth: btrtl: Add Realtek devcoredump support")
Cc: stable@vger.kernel.org
Reported-by: Kirill A. Shutemov <kirill@shutemov.name>
Closes: https://lore.kernel.org/all/ZRyqIn0_qqEFBPdy@debian.me/T/
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When the vhci device is opened in the two-step way, i.e.: open device
then write a vendor packet with requested controller type, the device
shall respond with a vendor packet which includes HCI index of created
interface.
When the virtual HCI is created, the host sends a reset request to the
controller. This request is processed by the vhci_send_frame() function.
However, this request is send by a different thread, so it might happen
that this HCI request will be received before the vendor response is
queued in the read queue. This results in the HCI vendor response and
HCI reset request inversion in the read queue which leads to improper
behavior of btvirt:
> dmesg
[1754256.640122] Bluetooth: MGMT ver 1.22
[1754263.023806] Bluetooth: MGMT ver 1.22
[1754265.043775] Bluetooth: hci1: Opcode 0x c03 failed: -110
In order to synchronize vhci two-step open/setup process with virtual
HCI initialization, this patch adds internal lock when queuing data in
the vhci_send_frame() function.
Signed-off-by: Arkadiusz Bokowy <arkadiusz.bokowy@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
We should send hci reset command before bt turn off, which can reset bt
firmware status.
Signed-off-by: Rocky Liao <quic_rjliao@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Here is the big set of tty and serial driver changes for 6.6-rc1.
Lots of cleanups in here this cycle, and some driver updates. Short
summary is:
- Jiri's continued work to make the tty code and apis be a bit more
sane with regards to modern kernel coding style and types
- cpm_uart driver updates
- n_gsm updates and fixes
- meson driver updates
- sc16is7xx driver updates
- 8250 driver updates for different hardware types
- qcom-geni driver fixes
- tegra serial driver change
- stm32 driver updates
- synclink_gt driver cleanups
- tty structure size reduction
All of these have been in linux-next this week with no reported issues.
The last bit of cleanups from Jiri and the tty structure size reduction
came in last week, a bit late but as they were just style changes and
size reductions, I figured they should get into this merge cycle so that
others can work on top of them with no merge conflicts.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-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 6.6-rc1.
Lots of cleanups in here this cycle, and some driver updates. Short
summary is:
- Jiri's continued work to make the tty code and apis be a bit more
sane with regards to modern kernel coding style and types
- cpm_uart driver updates
- n_gsm updates and fixes
- meson driver updates
- sc16is7xx driver updates
- 8250 driver updates for different hardware types
- qcom-geni driver fixes
- tegra serial driver change
- stm32 driver updates
- synclink_gt driver cleanups
- tty structure size reduction
All of these have been in linux-next this week with no reported
issues. The last bit of cleanups from Jiri and the tty structure size
reduction came in last week, a bit late but as they were just style
changes and size reductions, I figured they should get into this merge
cycle so that others can work on top of them with no merge conflicts"
* tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
tty: shrink the size of struct tty_struct by 40 bytes
tty: n_tty: deduplicate copy code in n_tty_receive_buf_real_raw()
tty: n_tty: extract ECHO_OP processing to a separate function
tty: n_tty: unify counts to size_t
tty: n_tty: use u8 for chars and flags
tty: n_tty: simplify chars_in_buffer()
tty: n_tty: remove unsigned char casts from character constants
tty: n_tty: move newline handling to a separate function
tty: n_tty: move canon handling to a separate function
tty: n_tty: use MASK() for masking out size bits
tty: n_tty: make n_tty_data::num_overrun unsigned
tty: n_tty: use time_is_before_jiffies() in n_tty_receive_overrun()
tty: n_tty: use 'num' for writes' counts
tty: n_tty: use output character directly
tty: n_tty: make flow of n_tty_receive_buf_common() a bool
Revert "tty: serial: meson: Add a earlycon for the T7 SoC"
Documentation: devices.txt: Fix minors for ttyCPM*
Documentation: devices.txt: Remove ttySIOC*
Documentation: devices.txt: Remove ttyIOC*
serial: 8250_bcm7271: improve bcm7271 8250 port
...
It is not allowed to call kfree_skb() from hardware interrupt
context or with hardware interrupts being disabled.
So replace kfree_skb() with dev_kfree_skb_irq() under
spin_lock_irqsave(). Compile tested only.
Fixes: baac6276c0 ("Bluetooth: btusb: handle mSBC audio over USB Endpoints")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The quirks table was named "blacklist_table" which isn't a good
description for that table as devices detected using it weren't ignored
by the driver.
Rename the table to match what it actually does.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
