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Bluetooth: hci_ldisc: Use speed set by btattach as oper_speed

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Starting a BCM UART controller not defined as a platform device or
a serdev with "btattach -B /dev/ttyS1 -P bcm -S 3000000" works fine
but the serial port remains at the init_speed, i.e. 115200.

The oper_speed is only set if a device is declared in ACPI, device
tree or as a platform device.

This commit copies the serial port speed fixed by hciattach to the
oper_speed on line discipline opening.

Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Frédéric Danis 2024-08-20 16:17:16 +02:00 committed by Luiz Augusto von Dentz
parent fe4408da5b
commit 0519376db7
1 changed files with 3 additions and 0 deletions
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3
drivers/bluetooth/hci_ldisc.c
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@ -507,6 +507,9 @@ static int hci_uart_tty_open(struct tty_struct *tty)
hu->alignment = 1;
hu->padding = 0;
/* Use serial port speed as oper_speed */
hu->oper_speed = tty->termios.c_ospeed;
INIT_WORK(&hu->init_ready, hci_uart_init_work);
INIT_WORK(&hu->write_work, hci_uart_write_work);