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serial: Make hw_stopped bool

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Convert hw_stopped in uart_port to bool because its more appropriate
type for how it is used.

Also convert the local variable in uart_change_line_settings() caching
old hw_stopped to bool.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230309080923.11778-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2023-03-09 10:09:21 +02:00 committed by Greg Kroah-Hartman
parent 826736a6c7
commit b5def43a7b
2 changed files with 4 additions and 4 deletions
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6
drivers/tty/serial/serial_core.c
View file

@ -182,7 +182,7 @@ static void uart_change_line_settings(struct tty_struct *tty, struct uart_state
{
struct uart_port *uport = uart_port_check(state);
struct ktermios *termios;
int hw_stopped;
bool hw_stopped;
/*
* If we have no tty, termios, or the port does not exist,
@ -3304,13 +3304,13 @@ void uart_handle_cts_change(struct uart_port *uport, bool active)
if (uart_softcts_mode(uport)) {
if (uport->hw_stopped) {
if (active) {
uport->hw_stopped = 0;
uport->hw_stopped = false;
uport->ops->start_tx(uport);
uart_write_wakeup(uport);
}
} else {
if (!active) {
uport->hw_stopped = 1;
uport->hw_stopped = true;
uport->ops->stop_tx(uport);
}
}

2
include/linux/serial_core.h
View file

@ -553,7 +553,7 @@ struct uart_port {
#define UPSTAT_AUTOXOFF ((__force upstat_t) (1 << 4))
#define UPSTAT_SYNC_FIFO ((__force upstat_t) (1 << 5))
int hw_stopped; /* sw-assisted CTS flow state */
bool hw_stopped; /* sw-assisted CTS flow state */
unsigned int mctrl; /* current modem ctrl settings */
unsigned int frame_time; /* frame timing in ns */
unsigned int type; /* port type */