1936 Commits

Author SHA1 Message Date
Tedd Ho-Jeong An
ca5425e158 Bluetooth: btintel: Add combined setup and shutdown functions
There are multiple setup and shutdown functions for Intel device and the
setup function to be used is depends on the USB PID/VID, which makes
difficult to maintain the code and increases the code size.

This patch adds combined setup and shutdown functions to provide a
single entry point for all Intel devices and choose the setup functions
based on the information read with HCI_Intel_Read_Version command.

Starting from TyP device, the command and response parameters for
HCI_Intel_Read_Version command are changed even though OCF remains
same. However, the legacy devices still can handle the command without
error even if it has a extra parameter, so to simplify the flow,
the new command format is used to read the version information for
both legacy and new (tlv based) format.

Also, it also adds a routine to setup the hdev callbacks in btintel.

Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-05 16:03:29 +02:00
Larry Finger
6eefec4a0b Bluetooth: Add additional Bluetooth part for Realtek 8852AE
This Realtek device has both wifi and BT components. The latter reports
a USB ID of 04ca:4006, which is not in the table.

The portion of /sys/kernel/debug/usb/devices pertaining to this device is

T:  Bus=02 Lev=01 Prnt=01 Port=12 Cnt=04 Dev#=  4 Spd=12   MxCh= 0
D:  Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=04ca ProdID=4006 Rev= 0.00
S:  Manufacturer=Realtek
S:  Product=Bluetooth Radio
S:  SerialNumber=00e04c000001
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-04 17:01:05 +02:00
mark-yw.chen
e947802657 Bluetooth: btusb: Support Bluetooth Reset for Mediatek Chip(MT7921)
When the firmware hang or command no response, driver can reset the
bluetooth mcu via USB to recovery it. The reset steps as follows.

1. Cancel USB transfer requests before reset.
2. It use speicific USB HW Register to reset Bluetooth MCU, at the
   same time, the USB Endpoint0 still keep alive.
3. Poll the USB HW register until reset is completed by Endpoint0.
4. To recovery unexpected USB state and behavior during resetting the
   Bluetooth MCU, the driver need to reset the USB device for MT7921.
5. After the reset is completed, the Bluetooth MCU need to re-setup,
   such as download patch, power-on sequence and etc.

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Reviewed-by: Michael Sun <michaelfsun@google.com>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-04 16:48:08 +02:00
mark-yw.chen
0b10c8c84c Bluetooth: btusb: Record debug log for Mediatek Chip.
Mediatek Bluetooth controller sends the FW log and FW dump via EP2.
This patch creates an MTK specified callback(btusb_recv_acl_mtk) to
replace the original one (hci_recv_frame) when an MTK controller is
detected. The new callback will separate the firmware dump traffics
from the ACL data to have them process separately.

1. Add a new field (recv_acl) to the btusb_data struct to store
vendor-specific ACL callback handler.
2. Add the MTK-specific ACL callback handler (btusb_recv_acl_mtk) to
process ACL data, debug log, and firmware dump.
3. The debug log traces LMP/LL events and connection quality reports.
4. The upper layer can use hci_channel_monitor to receive these
packets.

Example btmon: firmware debug log.
1. Enable firmware debug log.
< HCI Command: Vendor (0x3f|0x005d) plen 4
        00 00 02 02                                      ....
> HCI Event: Command Complete (0x0e) plen 8
      Vendor (0x3f|0x005d) ncmd 1
        Status: Success (0x00)
        00 00 02 02                                      ....
2. Diagnostic packet from controller
= Vendor Diagnostic (len 500)
          ff 05 f0 01 fd ff 02 0e 08 01 5d fc 00 00 00 02
          02 aa aa aa cb e3 f0 15 b0 0c 5f 01 00 d1 0f 33
          01 7f 00 08 57 61 0c 00 00 00 00 00 23 37 17 00
          fd ff 00 00 29 60 ff ff b1 56 e8 00 57 40 0a 40
          39 95 f2 00 47 40 43 00 fc f0 16 00 57 61 0c 00
          00 00 00 00 23 37 17 00 fd ff 00 00 29 60 ff ff
          65 95 f2 00 57 40 0a 40 ec d3 fc 00 47 40 3b 00
          2c f1 17 00 57 61 0c 00 00 00 00 00 23 37 17 00
          fd ff 00 00 29 60 ff ff 19 d4 fc 00 57 40 76 1c
          b2 61 01 01 47 40 b3 04 0b 63 18 00 fe ff 02 01
          04 05 33 8b 9e 08 00 aa aa aa aa aa 27 38 01 02
          01 00 00 00 02 e0 10 00 20 00 20 00 2a 08 40 00
          20 00 20 08 2a 08 02 00 40 00 00 01 2e 08 40 00
          01 67 b0 c2 2e 08 3e 07 ff ff ff ff 40 08 01 00
          02 00 00 00 34 08 a3 00 00 00 00 00 34 08 a3 00
          00 00 00 00 35 08 45 01 00 00 00 00 2e 08 40 00
          01 67 b0 c2 30 35 01 02 00 00 00 00 2c 31 01 00
          02 00 00 40 2d 19 03 00 00 40 00 00 fd ff 02 0f
          04 00 01 01 04 aa aa aa aa aa aa aa 57 61 0c 00
          00 00 00 00 23 46 32 00 01 00 00 00 2f 35 00 02
          00 00 00 00 29 35 ff 02 00 22 00 00 2d 31 a6 02
          02 00 00 00 31 6c 40 00 14 63 18 1b 31 6c 40 00
          14 63 18 23 51 08 53 00 12 63 18 00 2c 35 12 01
          fe 00 00 00 2b 35 fe 02 02 00 00 00 2f 31 21 00
          00 00 02 00 75 61 01 00 4c 1b 93 00 79 61 01 00
          00 00 00 00 12 e3 63 18 20 31 86 01 74 61 68 03
          00 00 04 00 a1 73 ff 00 b9 01 00 00 a1 73 04 00
          00 00 00 00 a1 73 00 00 00 00 00 00 a1 73 00 00
          02 00 00 00 31 6c 40 00 16 63 18 0c 31 6c 40 00
          16 63 18 1c 77 61 40 00 48 33 40 00 14 e3 63 18
          40 31 86 01 00 d1 02 c5 07 23 a1 34 73 61 37 02
          02 00 00 a1

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Reviewed-by: Michael Sun <michaelfsun@google.com>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-04 16:48:08 +02:00
Andy Shevchenko
67cbdd74c4 Bluetooth: hci_bcm: Fix kernel doc comments
Kernel doc validator complains about few missed parameter descriptions.
Fill the gap by describing them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-04 16:37:12 +02:00
mark-yw.chen
654e6f7700 Bluetooth: btusb: Enable MSFT extension for Mediatek Chip (MT7921)
The Mdiatek MT7921(7961) support MSFT HCI extensions, we are using
0xFD30 for VsMsftOpCode.

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-08-02 17:03:14 +02:00
Ismael Ferreras Morezuelas
f4292e2faf Bluetooth: btusb: Make the CSR clone chip force-suspend workaround more generic
Turns out Hans de Goede completed the work I started last year trying to
improve Chinese-clone detection of CSR controller chips. Quirk after quirk
these Bluetooth dongles are more usable now.

Even after a few BlueZ regressions; these clones are so fickle that some
days they stop working altogether. Except on Windows, they work fine.

But this force-suspend initialization quirk seems to mostly do the trick,
after a lot of testing Bluetooth now seems to work *all* the time.

The only problem is that the solution ended up being masked under a very
stringent check; when there are probably hundreds of fake dongle
models out there that benefit from a good reset. Make it so.

Fixes: 81cac64ba258a ("Bluetooth: Deal with USB devices that are faking CSR vendor")
Fixes: cde1a8a992875 ("Bluetooth: btusb: Fix and detect most of the Chinese Bluetooth controllers")
Fixes: d74e0ae7e0303 ("Bluetooth: btusb: Fix detection of some fake CSR controllers with a bcdDevice val of 0x0134")
Fixes: 0671c0662383e ("Bluetooth: btusb: Add workaround for remote-wakeup issues with Barrot 8041a02 fake CSR controllers")

Cc: stable@vger.kernel.org
Cc: Hans de Goede <hdegoede@redhat.com>
Tested-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Signed-off-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-29 21:54:42 +02:00
Chethan T N
f283f4765b Bluetooth: btusb: Enable MSFT extension for Intel next generation controllers
The Intel TyphoonPeak, GarfieldPeak Bluetooth controllers
support the Microsoft vendor extension and they are using
0xFC1E for VsMsftOpCode.

Verified on a GarfieldPeak device through bluetoothctl show

Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-29 21:46:24 +02:00
Michael Sun
cbe6a04413 Bluetooth: btusb: Enable MSFT extension for WCN6855 controller
The Qualcomm WCN6855 Bluetooth controller supports the Microsoft vendor
extension, enable them by setting VsMsftOpCode to 0xFD70.

Verified on a WCN6855 device through bluetoothctl show

Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-29 21:11:35 +02:00
Ian Mackinnon
340cd23d9d Bluetooth: btusb: Load Broadcom firmware for Dell device 413c:8197
Remove the btusb_table entry for 413c:8197 so the device is handled
by the later Dell vendor entry, which specifies patchram loading.

T:  Bus=01 Lev=02 Prnt=02 Port=03 Cnt=02 Dev#=  4 Spd=12   MxCh= 0
D:  Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=413c ProdID=8197 Rev= 1.12
S:  Manufacturer=Dell Computer Corp
S:  Product=DW380 Bluetooth Module
S:  SerialNumber=74E54354F609
C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=  0mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=btusb
E:  Ad=84(I) Atr=02(Bulk) MxPS=  32 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS=  32 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none)

Signed-off-by: Ian Mackinnon <imackinnon@gmail.com>
Tested-By: Aathif Naseer <aathif394@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-29 13:49:47 +02:00
Len Baker
785077fa2d Bluetooth: btmrvl_sdio: Remove all strcpy() uses
strcpy() performs no bounds checking on the destination buffer. This
could result in linear overflows beyond the end of the buffer, leading
to all kinds of misbehaviors. The safe replacement is strscpy() but in
this case it is better to use the scnprintf to simplify the arithmetic.

This is a previous step in the path to remove the strcpy() function
entirely from the kernel.

Signed-off-by: Len Baker <len.baker@gmx.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-29 13:46:13 +02:00
Michael Sun
acd5aea400 Bluetooth: btusb: Add valid le states quirk
Add the valid le states quirk for WCN6855 and GarfieldPeak controller
so the 'central-peripheral' role is exposed in userspace.

Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-24 09:41:09 +02:00
Archie Pusaka
d9dd833cf6 Bluetooth: hci_h5: Add runtime suspend
This patch allows the controller to suspend after a short period of
inactivity.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-23 14:10:23 +02:00
Archie Pusaka
30f11dda2d Bluetooth: hci_h5: btrtl: Maintain flow control if wakeup is enabled
For chips that doesn't reset on suspend, we need to provide the correct
value of flow_control when it resumes. Therefore, store the flow
control value when reading from the config file to be reused upon
suspend.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-23 14:10:23 +02:00
Archie Pusaka
66f077dde7 Bluetooth: hci_h5: add WAKEUP_DISABLE flag
Some RTL chips resets the FW on suspend, so wakeup is disabled on
those chips. This patch introduces this WAKEUP_DISABLE flag so that
chips that doesn't reset FW on suspend can leave the flag unset and
is allowed to wake the host.

This patch also left RTL8822 WAKEUP_DISABLE flag unset, therefore
allowing it to wake the host, and preventing reprobing on resume.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-23 14:10:23 +02:00
Aaron Ma
64832df2ac Bluetooth: btusb: Add support for Foxconn Mediatek Chip
Add support for another Foxconn / Hon Hai device with MT7921 chip.

T:  Bus=05 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  3 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0489 ProdID=e0cd Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device
S:  SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
A:  FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS=  64 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us
I:  If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 19:30:02 +02:00
Randy Dunlap
ee3f96ad3e Bluetooth: btrsi: use non-kernel-doc comment for copyright
kernel-doc complains about a non-kernel-doc comment that uses "/**"
to begin the comment, so change it to just "/*".

drivers/bluetooth/btrsi.c:2: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Copyright (c) 2017 Redpine Signals Inc.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Aditya Srivastava <yashsri421@gmail.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Cc: Sanjay Kumar Konduri <sanjay.konduri@redpinesignals.com>
Cc: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:35:46 +02:00
Archie Pusaka
7f6a750aea Bluetooth: btrtl: Set MSFT opcode for RTL8852
RTL8852 support MSFT HCI extension, therefore set the proper MSFT
opcode.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:20:27 +02:00
Forest Crossman
3735682760 Bluetooth: btusb: Add support for LG LGSBWAC92/TWCM-K505D
The LG LGSBWAC92/TWCM-K505D/EAT64454801/EAT64454802 (it goes by many
names) is a combo WiFi/Bluetooth module that's used in several models of
LG TVs. It uses the MediaTek MT7668AUN, which is already supported in
btusb, but this device has a non-MediaTek VID:PID pair so to get it to
work we just need to add it to the list of devices to probe.

Device from /sys/kernel/debug/usb/devices:

T:  Bus=09 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  6 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=043e ProdID=3109 Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device
S:  SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=100mA
A:  FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 8 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=09(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Forest Crossman <cyrozap@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:18:10 +02:00
Jun Miao
20a831f04f Bluetooth: btusb: Fix a unspported condition to set available debug features
When reading the support debug features failed, there are not available
features init. Continue to set the debug features is illogical, we should
skip btintel_set_debug_features(), even if check it by "if (!features)".

Fixes: c453b10c2b28 ("Bluetooth: btusb: Configure Intel debug feature based on available support")
Signed-off-by: Jun Miao <jun.miao@windriver.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:16:19 +02:00
Wai Paulo Valerio Wang
2cdff8ca4c Bluetooth: btusb: Add support for IMC Networks Mediatek Chip
This add supports for IMC Networks Wireless_Device Media Chip
which contains the MT7921 chipset.

$ lsusb

Bus 001 Device 004: ID 13d3:3563 IMC Networks Wireless_Device

$ cat /sys/kernel/debug/usb/devices

T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=03 Dev#=  4 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=13d3 ProdID=3563 Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device
S:  SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
A:  FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS=  64 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us
I:  If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us

Signed-off-by: Wai Paulo Valerio Wang <waicool20@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:07:36 +02:00
Hans de Goede
b4a46996f1 Bluetooth: hci_h5: Disable the hci_suspend_notifier for btrtl devices
The hci_suspend_notifier which was introduced last year, is causing
problems for uart attached btrtl devices. These devices may loose their
firmware and their baudrate setting over a suspend/resume.

Since we don't even know the baudrate after a suspend/resume recovering
from this is tricky. The driver solves this by treating these devices
the same as USB BT HCIs which drop of the bus during suspend.

Specifically the driver:
1. Simply unconditionally turns the device fully off during
   system-suspend to save maximum power.
2. Calls device_reprobe() from a workqueue to fully re-init the device
   from scratch on system-resume (unregistering the old HCI and
   registering a new HCI).

This means that these devices do not benefit from the suspend / resume
handling work done by the hci_suspend_notifier. At best this unnecessarily
adds some time to the suspend/resume time.

But in practice this is actually causing problems:

1. These btrtl devices seem to not like the HCI_OP_WRITE_SCAN_ENABLE(
SCAN_DISABLED) request being send to them when entering the
BT_SUSPEND_CONFIGURE_WAKE state. The same request send on
BT_SUSPEND_DISCONNECT works fine, but the second one send (unnecessarily?)
from the BT_SUSPEND_CONFIGURE_WAKE transition causes the device to hang:

[  573.497754] PM: suspend entry (s2idle)
[  573.554615] Filesystems sync: 0.056 seconds
[  575.837753] Bluetooth: hci0: Timed out waiting for suspend events
[  575.837801] Bluetooth: hci0: Suspend timeout bit: 4
[  575.837925] Bluetooth: hci0: Suspend notifier action (3) failed: -110

2. The PM_POST_SUSPEND / BT_RUNNING transition races with the
driver-unbinding done by the device_reprobe() work.
If the hci_suspend_notifier wins the race it is talking to a dead
device leading to the following errors being logged:

[  598.686060] Bluetooth: hci0: Timed out waiting for suspend events
[  598.686124] Bluetooth: hci0: Suspend timeout bit: 5
[  598.686237] Bluetooth: hci0: Suspend notifier action (4) failed: -110

In both cases things still work, but the suspend-notifier is causing
these ugly errors getting logged and ut increase both the suspend- and
the resume-time by 2 seconds.

This commit avoids these problems by disabling the hci_suspend_notifier.

Cc: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-07-22 16:06:09 +02:00
Linus Torvalds
c932ed0adb TTY / Serial patches for 5.14-rc1
Here is the big set of tty and serial driver patches for 5.14-rc1.
 
 A bit more than normal, but nothing major, lots of cleanups.  Highlights
 are:
 	- lots of tty api cleanups and mxser driver cleanups from Jiri
 	- build warning fixes
 	- various serial driver updates
 	- coding style cleanups
 	- various tty driver minor fixes and updates
 	- removal of broken and disable r3964 line discipline (finally!)
 
 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-5.14-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 patches for 5.14-rc1.

  A bit more than normal, but nothing major, lots of cleanups.
  Highlights are:

   - lots of tty api cleanups and mxser driver cleanups from Jiri

   - build warning fixes

   - various serial driver updates

   - coding style cleanups

   - various tty driver minor fixes and updates

   - removal of broken and disable r3964 line discipline (finally!)

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

* tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits)
  serial: mvebu-uart: remove unused member nb from struct mvebu_uart
  arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
  dt-bindings: mvebu-uart: fix documentation
  serial: mvebu-uart: correctly calculate minimal possible baudrate
  serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
  serial: mvebu-uart: fix calculation of clock divisor
  tty: make linux/tty_flip.h self-contained
  serial: Prefer unsigned int to bare use of unsigned
  serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
  serial: qcom_geni_serial: use DT aliases according to DT bindings
  Revert "tty: serial: Add UART driver for Cortina-Access platform"
  tty: serial: Add UART driver for Cortina-Access platform
  MAINTAINERS: add me back as mxser maintainer
  mxser: Documentation, fix typos
  mxser: Documentation, make the docs up-to-date
  mxser: Documentation, remove traces of callout device
  mxser: introduce mxser_16550A_or_MUST helper
  mxser: rename flags to old_speed in mxser_set_serial_info
  mxser: use port variable in mxser_set_serial_info
  mxser: access info->MCR under info->slock
  ...
2021-07-05 14:08:24 -07:00
Nigel Christian
1f0536139c Bluetooth: hci_uart: Remove redundant assignment to fw_ptr
The variable fw_ptr is assigned a value that is not read and the same value
is assigned in the patch goto. The assignment is redundant and can be
removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:52:41 +02:00
Colin Ian King
dd912f43bb Bluetooth: btmrvl: remove redundant continue statement
The continue statement in the for-loop has no effect,
remove it.

Addresses-Coverity: ("Continue has no effect")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:44 +02:00
Tim Jiang
4f00bfb372 Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.
This is btsoc timing issue, after host start to downloading bt firmware,
ep2 need time to switch from function acl to function dfu, so host add
20ms delay as workaround.

Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:39 +02:00
Tim Jiang
ca17a5cccf Bluetooth: btusb: use default nvm if boardID is 0 for wcn6855.
if boardID is 0, will use the default nvm file without surfix.

Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:39 +02:00
Zhang Qilong
a1b2fdf97f Bluetooth: btmtkuart: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:38 +02:00
Joakim Tjernlund
9fd2e2949b Bluetooth: btrtl: rename USB fw for RTL8761
According Realteks own BT drivers firmware RTL8761B is for UART
and RTL8761BU is for USB.

Change existing 8761B to UART and add an 8761BU entry for USB

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:35 +02:00
Joakim Tjernlund
33404381c5 Bluetooth: btusb: Add 0x0b05:0x190e Realtek 8761BU (ASUS BT500) device.
T:  Bus=01 Lev=01 Prnt=01 Port=08 Cnt=04 Dev#= 18 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0b05 ProdID=190e Rev= 2.00
S:  Manufacturer=Realtek
S:  Product=ASUS USB-BT500
S:  SerialNumber=xxxxxxxx
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:35 +02:00
Archie Pusaka
3011faa29b Bluetooth: hci_h5: Add RTL8822CS capabilities
RTL8822 chipset supports WBS, and this information is conveyed in
btusb.c. However, the UART driver doesn't have this information just
yet.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:34 +02:00
Hilda Wu
e848dbd364 Bluetooth: btusb: Add support USB ALT 3 for WBS
Because mSBC frames do not need to be aligned to the SCO packet
boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
data satisfy 60 Bytes avoid payload unaligned situation and fixed
some headset no voise issue.

USB Alt 3 supported also need HFP support transparent MTU in 72 Bytes.

Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:33 +02:00
Daniel Lenski
0324d19cb9 Bluetooth: btusb: Add a new QCA_ROME device (0cf3:e500)
This patch adds the 0cf3:e500 Bluetooth device (from a QCA9377 board) as a
QCA_ROME device.  It appears to be functionally identical to another device
ID, also from a QCA9377 board, which was previously marked as QCA_ROME in
0a03f98b98c201191e3ba15a0e33f46d8660e1fd
("Bluetooth: Add a new 04ca:3015 QCA_ROME device").

Without this patch, the WiFi side of the QCA9377 board is slow or unusable
when the Bluetooth side is in use.

See https://askubuntu.com/a/1137852 for another report of QCA_ROME fixing
this issue for this device ID.

/sys/kernel/debug/usb/devices:

T:  Bus=05 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=12   MxCh= 0
D:  Ver= 2.01 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0cf3 ProdID=e500 Rev= 0.01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms

Signed-off-by: Daniel Lenski <dlenski@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:31 +02:00
Venkata Lakshmi Narayana Gubba
99fba8e3f1 Bluetooth: btqca: Moved extracting rom version info to common place
Moved extracting rom version info to common place as this code is
common in all if else ladder in qca_uart_setup.

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:30 +02:00
Venkata Lakshmi Narayana Gubba
ecf6b2d956 Bluetooth: btqca: Add support for firmware image with mbn type for WCN6750
1. Added support to download firmware image with mbn type for wcn6750
   as it supports mbn type image.
2. If mbn type image is not present then check for tlv type image.
3. Added debug logs for mbn type image.

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:29 +02:00
Venkata Lakshmi Narayana Gubba
d8f97da1b9 Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6750
Added regulators,GPIOs and changes required to power on/off wcn6750.
Added support for firmware download for wcn6750.

Changes done in detail:
1. Added regulators and corresponding current values.
2. Added sw_ctrl GPIO pin which is output from BT SoC and indicates
   status of clock supply to BT SoC.
3. Added inline function to check if the SoC type is wcn6750.
4. Modified the function qca_wcn3990_init() to support wcn6750 and
   renamed it to qca_regulator_init().

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:29 +02:00
Mikhail Rudenko
27f4d1f214 Bluetooth: btbcm: Add entry for BCM43430B0 UART Bluetooth
This patch adds the device ID for the BCM43430B0 module, found e.g. in
certain revisions of AMPAK AP6212 chip. The required firmware file is
named 'BCM43430B0.hcd'.

Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:28 +02:00
Connor Abbott
b43ca51117 Bluetooth: btqca: Don't modify firmware contents in-place
struct firmware::data is marked const, and when the firmware is
compressed with xz (default at least with Fedora) it's mapped read-only
which results in a crash:

BUG: unable to handle page fault for address: ffffae57c0ca5047
PGD 100000067 P4D 100000067 PUD 1001ce067 PMD 10165a067 PTE 8000000112bba161
Oops: 0003 [#1] SMP NOPTI
CPU: 3 PID: 204 Comm: kworker/u17:0 Not tainted 5.12.1-test+ #1
Hardware name: Dell Inc. XPS 13 9310/0F7M4C, BIOS 1.2.5 12/10/2020
Workqueue: hci0 hci_power_on [bluetooth]
RIP: 0010:qca_download_firmware+0x27c/0x4e0 [btqca]
Code: 1b 75 04 80 48 0c 01 0f b7 c6 8d 54 02 0c 41 39 d7 0f 8e 62 fe ff ff 48 63 c2 4c 01 e8 0f b7 38 0f b7 70 02 66 83 ff 11 75 d3 <80> 48 0c 80 41 83 fc 03 7e 6e 88 58 0d eb ce 41 0f b6 45 0e 48 8b
RSP: 0018:ffffae57c08dfc68 EFLAGS: 00010246
RAX: ffffae57c0ca503b RBX: 000000000000000e RCX: 0000000000000000
RDX: 0000000000000037 RSI: 0000000000000006 RDI: 0000000000000011
RBP: ffff978d9949e000 R08: ffff978d84ed7540 R09: ffffae57c0ca5000
R10: 000000000010cd00 R11: 0000000000000001 R12: 0000000000000005
R13: ffffae57c0ca5004 R14: ffff978d98ca8680 R15: 00000000000016a9
FS:  0000000000000000(0000) GS:ffff9794ef6c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffae57c0ca5047 CR3: 0000000113d5a004 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
 qca_uart_setup+0x2cb/0x1390 [btqca]
 ? qca_read_soc_version+0x136/0x220 [btqca]
 qca_setup+0x288/0xab0 [hci_uart]
 hci_dev_do_open+0x1f3/0x780 [bluetooth]
 ? try_to_wake_up+0x1c1/0x4f0
 hci_power_on+0x3f/0x200 [bluetooth]
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x1f/0x30
Modules linked in: llc ip_set nf_tables nfnetlink snd_soc_skl_hda_dsp(+) ip6table_filter snd_soc_hdac_hdmi ip6_tables qrtr_mhi iptable_filter snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic s>
 dell_wmi_sysman(+) dell_smbios snd dcdbas mhi vfat videobuf2_vmalloc i2c_i801 videobuf2_memops videobuf2_v4l2 dell_wmi_descriptor fat wmi_bmof soundcore i2c_smbus videobuf2_common libarc4 mei_me mei hid_se>
 i2c_hid_acpi i2c_hid video pinctrl_tigerlake fuse
CR2: ffffae57c0ca5047

This also seems to fix a failure to suspend due to the firmware
download on bootup getting interrupted by the crash:

Bluetooth: hci0: SSR or FW download time out
PM: dpm_run_callback(): acpi_subsys_suspend+0x0/0x60 returns -110
PM: Device serial0-0 failed to suspend: error -110
PM: Some devices failed to suspend, or early wake event detected

Fixes: 83e8196 ("Bluetooth: btqca: Introduce generic QCA ROME support")
Cc: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Cc: stable@vger.kernel.org
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:28 +02:00
Pavel Skripkin
59f90f1351 Bluetooth: hci_qca: fix potential GPF
In qca_power_shutdown() qcadev local variable is
initialized by hu->serdev.dev private data, but
hu->serdev can be NULL and there is a check for it.

Since, qcadev is not used before

	if (!hu->serdev)
		return;

we can move its initialization after this "if" to
prevent GPF.

Fixes: 5559904ccc08 ("Bluetooth: hci_qca: Add QCA Rome power off support to the qca_power_shutdown()")
Cc: stable@vger.kernel.org # v5.6+
Cc: Rocky Liao <rjliao@codeaurora.org>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:26 +02:00
Muhammad Usama Anjum
44e936d745 Bluetooth: btusb: fix memory leak
If btusb_mtk_submit_wmt_recv_urb returns error, wc should be freed and
then error should be returned to prevent memory leak.

Addresses-Coverity: ("Prevent memory leak")
Fixes: 4cbb375e997d ("Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.")
Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:25 +02:00
mark-yw.chen
393dc5d19c Bluetooth: btusb: Add support for Lite-On Mediatek Chip
Add support for Lite-On Mediatek Chip (MT7921)
Lite On VID = 04CA.

* /sys/kernel/debug/usb/devices
T:  Bus=01 Lev=03 Prnt=04 Port=01 Cnt=02 Dev#=  8 Spd=480  MxCh= 0
D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=04ca ProdID=3802 Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device
S:  SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
A:  FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS=  64 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us
I:  If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E:  Ad=8a(I) Atr=03(Int.) MxPS=  64 Ivl=125us
E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:24 +02:00
mark-yw.chen
8454ed9ff9 Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.
This patch reduce in-token during download patch procedure.
Don't submit urb for polling event before sending hci command.

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:24 +02:00
Colin Ian King
1cb027f2f8 Bluetooth: virtio_bt: add missing null pointer check on alloc_skb call return
The call to alloc_skb with the GFP_KERNEL flag can return a null sk_buff
pointer, so add a null check to avoid any null pointer deference issues.

Addresses-Coverity: ("Dereference null return value")
Fixes: afd2daa26c7a ("Bluetooth: Add support for virtio transport driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-26 07:12:24 +02:00
Greg Kroah-Hartman
99289bf1a7 Linux 5.13-rc6
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Merge tag 'v5.13-rc6' into tty-next

We want the tty fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-14 09:14:43 +02:00
Linus Torvalds
9d32fa5d74 Networking fixes for 5.13-rc5, including fixes from bpf, wireless,
netfilter and wireguard trees.
 
 The bpf vs lockdown+audit fix is the most notable.
 
 Current release - regressions:
 
  - virtio-net: fix page faults and crashes when XDP is enabled
 
  - mlx5e: fix HW timestamping with CQE compression, and make sure they
           are only allowed to coexist with capable devices
 
  - stmmac:
         - fix kernel panic due to NULL pointer dereference of mdio_bus_data
         - fix double clk unprepare when no PHY device is connected
 
 Current release - new code bugs:
 
  - mt76: a few fixes for the recent MT7921 devices and runtime
          power management
 
 Previous releases - regressions:
 
  - ice: - track AF_XDP ZC enabled queues in bitmap to fix copy mode Tx
         - fix allowing VF to request more/less queues via virtchnl
 	- correct supported and advertised autoneg by using PHY capabilities
         - allow all LLDP packets from PF to Tx
 
  - kbuild: quote OBJCOPY var to avoid a pahole call break the build
 
 Previous releases - always broken:
 
  - bpf, lockdown, audit: fix buggy SELinux lockdown permission checks
 
  - mt76: address the recent FragAttack vulnerabilities not covered
          by generic fixes
 
  - ipv6: fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions
 
  - Bluetooth:
  	 - fix the erroneous flush_work() order, to avoid double free
          - use correct lock to prevent UAF of hdev object
 
  - nfc: fix NULL ptr dereference in llcp_sock_getname() after failed connect
 
  - ieee802154: multiple fixes to error checking and return values
 
  - igb: fix XDP with PTP enabled
 
  - intel: add correct exception tracing for XDP
 
  - tls: fix use-after-free when TLS offload device goes down and back up
 
  - ipvs: ignore IP_VS_SVC_F_HASHED flag when adding service
 
  - netfilter: nft_ct: skip expectations for confirmed conntrack
 
  - mptcp: fix falling back to TCP in presence of out of order packets
           early in connection lifetime
 
  - wireguard: switch from O(n) to a O(1) algorithm for maintaining peers,
           fixing stalls and a large memory leak in the process
 
 Misc:
 
  - devlink: correct VIRTUAL port to not have phys_port attributes
 
  - Bluetooth: fix VIRTIO_ID_BT assigned number
 
  - net: return the correct errno code ENOBUF -> ENOMEM
 
  - wireguard:
          - peer: allocate in kmem_cache saving 25% on peer memory
          - do not use -O3
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes, including fixes from bpf, wireless, netfilter and
  wireguard trees.

  The bpf vs lockdown+audit fix is the most notable.

  Things haven't slowed down just yet, both in terms of regressions in
  current release and largish fixes for older code, but we usually see a
  slowdown only after -rc5.

  Current release - regressions:

   - virtio-net: fix page faults and crashes when XDP is enabled

   - mlx5e: fix HW timestamping with CQE compression, and make sure they
     are only allowed to coexist with capable devices

   - stmmac:
      - fix kernel panic due to NULL pointer dereference of
        mdio_bus_data
      - fix double clk unprepare when no PHY device is connected

  Current release - new code bugs:

   - mt76: a few fixes for the recent MT7921 devices and runtime power
     management

  Previous releases - regressions:

   - ice:
      - track AF_XDP ZC enabled queues in bitmap to fix copy mode Tx
      - fix allowing VF to request more/less queues via virtchnl
      - correct supported and advertised autoneg by using PHY
        capabilities
      - allow all LLDP packets from PF to Tx

   - kbuild: quote OBJCOPY var to avoid a pahole call break the build

  Previous releases - always broken:

   - bpf, lockdown, audit: fix buggy SELinux lockdown permission checks

   - mt76: address the recent FragAttack vulnerabilities not covered by
     generic fixes

   - ipv6: fix KASAN: slab-out-of-bounds Read in
     fib6_nh_flush_exceptions

   - Bluetooth:
      - fix the erroneous flush_work() order, to avoid double free
      - use correct lock to prevent UAF of hdev object

   - nfc: fix NULL ptr dereference in llcp_sock_getname() after failed
     connect

   - ieee802154: multiple fixes to error checking and return values

   - igb: fix XDP with PTP enabled

   - intel: add correct exception tracing for XDP

   - tls: fix use-after-free when TLS offload device goes down and back
     up

   - ipvs: ignore IP_VS_SVC_F_HASHED flag when adding service

   - netfilter: nft_ct: skip expectations for confirmed conntrack

   - mptcp: fix falling back to TCP in presence of out of order packets
     early in connection lifetime

   - wireguard: switch from O(n) to a O(1) algorithm for maintaining
     peers, fixing stalls and a large memory leak in the process

  Misc:

   - devlink: correct VIRTUAL port to not have phys_port attributes

   - Bluetooth: fix VIRTIO_ID_BT assigned number

   - net: return the correct errno code ENOBUF -> ENOMEM

   - wireguard:
      - peer: allocate in kmem_cache saving 25% on peer memory
      - do not use -O3"

* tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
  cxgb4: avoid link re-train during TC-MQPRIO configuration
  sch_htb: fix refcount leak in htb_parent_to_leaf_offload
  wireguard: allowedips: free empty intermediate nodes when removing single node
  wireguard: allowedips: allocate nodes in kmem_cache
  wireguard: allowedips: remove nodes in O(1)
  wireguard: allowedips: initialize list head in selftest
  wireguard: peer: allocate in kmem_cache
  wireguard: use synchronize_net rather than synchronize_rcu
  wireguard: do not use -O3
  wireguard: selftests: make sure rp_filter is disabled on vethc
  wireguard: selftests: remove old conntrack kconfig value
  virtchnl: Add missing padding to virtchnl_proto_hdrs
  ice: Allow all LLDP packets from PF to Tx
  ice: report supported and advertised autoneg using PHY capabilities
  ice: handle the VF VSI rebuild failure
  ice: Fix VFR issues for AVF drivers that expect ATQLEN cleared
  ice: Fix allowing VF to request more/less queues via virtchnl
  virtio-net: fix for skb_over_panic inside big mode
  ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions
  fib: Return the correct errno code
  ...
2021-06-04 18:25:39 -07:00
Luiz Augusto von Dentz
1f14a620f3 Bluetooth: btusb: Fix failing to init controllers with operation firmware
Some firmware when operation don't may have broken versions leading to
error like the following:

[    6.176482] Bluetooth: hci0: Firmware revision 0.0 build 121 week 7 2021
[    6.177906] bluetooth hci0: Direct firmware load for intel/ibt-20-0-0.sfi failed with error -2
[    6.177910] Bluetooth: hci0: Failed to load Intel firmware file intel/ibt-20-0-0.sfi (-2)

Since we load the firmware file just to check if its version had changed
comparing to the one already loaded we can just skip since the firmware
is already operation.

Fixes: ac0565462e330 ("Bluetooth: btintel: Check firmware version before
download")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-03 14:02:17 -07:00
Larry Finger
4d96d3b0ef Bluetooth: Add a new USB ID for RTL8822CE
Some models of the RTL8822ce utilize a different USB ID. Add this
new one to the Bluetooth driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-06-01 17:11:48 -10:00
Jiri Slaby
357a6a875f tty: no checking of tty_unregister_ldisc
tty_unregister_ldisc now returns 0 = success. No need to check the
return value. In fact, the users only warned if an error occured and
didn't do anything useful anyway -- the ldisc module was unloaded in any
case.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Link: https://lore.kernel.org/r/20210505091928.22010-19-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-13 16:57:17 +02:00
Jiri Slaby
f81ee8b8b8 tty: make tty_ldisc_ops a param in tty_unregister_ldisc
Make tty_unregister_ldisc symmetric to tty_register_ldisc by accepting
struct tty_ldisc_ops as a parameter instead of ldisc number. This avoids
checking of the ldisc number bounds in tty_unregister_ldisc.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Link: https://lore.kernel.org/r/20210505091928.22010-17-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-13 16:57:16 +02:00
Jiri Slaby
fbadf70a80 tty: set tty_ldisc_ops::num statically
There is no reason to pass the ldisc number to tty_register_ldisc
separately. Just set it in the already defined tty_ldisc_ops in all the
ldiscs.

This simplifies tty_register_ldisc a bit too (no need to set the num
member there).

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Link: https://lore.kernel.org/r/20210505091928.22010-15-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-13 16:57:16 +02:00