diff options
-rw-r--r-- | drivers/serial/8250.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index dd5e1ac22251..4d8e14b7aa93 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c | |||
@@ -2343,11 +2343,8 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, | |||
2343 | 2343 | ||
2344 | /* | 2344 | /* |
2345 | * CTS flow control flag and modem status interrupts | 2345 | * CTS flow control flag and modem status interrupts |
2346 | * Only disable MSI if no threads are waiting in | ||
2347 | * serial_core::uart_wait_modem_status | ||
2348 | */ | 2346 | */ |
2349 | if (!waitqueue_active(&up->port.state->port.delta_msr_wait)) | 2347 | up->ier &= ~UART_IER_MSI; |
2350 | up->ier &= ~UART_IER_MSI; | ||
2351 | if (!(up->bugs & UART_BUG_NOMSR) && | 2348 | if (!(up->bugs & UART_BUG_NOMSR) && |
2352 | UART_ENABLE_MS(&up->port, termios->c_cflag)) | 2349 | UART_ENABLE_MS(&up->port, termios->c_cflag)) |
2353 | up->ier |= UART_IER_MSI; | 2350 | up->ier |= UART_IER_MSI; |