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| author | Johan Hovold <johan@kernel.org> | 2023-06-04 14:35:03 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2023-06-07 17:00:23 +0200 |
| commit | 6ff58ae17fd9523246a260434133ed9ab7f56df2 (patch) | |
| tree | 286bf3fdeec1bef50a64f4597deef90c55f1c82f /include/linux/usb/serial.h | |
| parent | 9561de3a55bed6bdd44a12820ba81ec416e705a7 (diff) | |
| download | linux-6ff58ae17fd9523246a260434133ed9ab7f56df2.tar.gz linux-6ff58ae17fd9523246a260434133ed9ab7f56df2.tar.bz2 linux-6ff58ae17fd9523246a260434133ed9ab7f56df2.zip | |
USB: serial: return errors from break handling
Start propagating errors to user space when setting the break state
fails.
This will be used by follow-on changes to also report when a driver or
device does not support break control.
Tested-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include/linux/usb/serial.h')
| -rw-r--r-- | include/linux/usb/serial.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 7eeb5f9c4f0d..1a0a4dc87980 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -278,7 +278,7 @@ struct usb_serial_driver { int (*set_serial)(struct tty_struct *tty, struct serial_struct *ss); void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port, const struct ktermios *old); - void (*break_ctl)(struct tty_struct *tty, int break_state); + int (*break_ctl)(struct tty_struct *tty, int break_state); unsigned int (*chars_in_buffer)(struct tty_struct *tty); void (*wait_until_sent)(struct tty_struct *tty, long timeout); bool (*tx_empty)(struct usb_serial_port *port); |