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-rw-r--r--drivers/tty/serial/imx.c2
-rw-r--r--drivers/tty/serial/max3100.c2
-rw-r--r--drivers/tty/serial/max310x.c3
-rw-r--r--drivers/tty/serial/serial_core.c8
-rw-r--r--include/linux/serial_core.h3
5 files changed, 8 insertions, 10 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index f2b43fb497ff..ae75135dccb8 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -773,7 +773,7 @@ static irqreturn_t __imx_uart_rtsint(int irq, void *dev_id)
imx_uart_writel(sport, USR1_RTSD, USR1);
usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;
- uart_handle_cts_change(&sport->port, !!usr1);
+ uart_handle_cts_change(&sport->port, usr1);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
return IRQ_HANDLED;
diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index bb74f23251fe..86dcbff8faa3 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c
@@ -247,7 +247,7 @@ static int max3100_handlerx(struct max3100_port *s, u16 rx)
cts = (rx & MAX3100_CTS) > 0;
if (s->cts != cts) {
s->cts = cts;
- uart_handle_cts_change(&s->port, cts ? TIOCM_CTS : 0);
+ uart_handle_cts_change(&s->port, cts);
}
return ret;
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 4eb24e3407f8..e9cacfe7e032 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -819,8 +819,7 @@ static irqreturn_t max310x_port_irq(struct max310x_port *s, int portno)
if (ists & MAX310X_IRQ_CTS_BIT) {
lsr = max310x_port_read(port, MAX310X_LSR_IRQSTS_REG);
- uart_handle_cts_change(port,
- !!(lsr & MAX310X_LSR_CTS_BIT));
+ uart_handle_cts_change(port, lsr & MAX310X_LSR_CTS_BIT);
}
if (rxlen)
max310x_handle_rx(port, rxlen);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 7319a6f55013..371440faa14c 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -3287,11 +3287,11 @@ EXPORT_SYMBOL_GPL(uart_handle_dcd_change);
/**
* uart_handle_cts_change - handle a change of clear-to-send state
* @uport: uart_port structure for the open port
- * @status: new clear to send status, nonzero if active
+ * @active: new clear-to-send status
*
* Caller must hold uport->lock.
*/
-void uart_handle_cts_change(struct uart_port *uport, unsigned int status)
+void uart_handle_cts_change(struct uart_port *uport, bool active)
{
lockdep_assert_held_once(&uport->lock);
@@ -3299,13 +3299,13 @@ void uart_handle_cts_change(struct uart_port *uport, unsigned int status)
if (uart_softcts_mode(uport)) {
if (uport->hw_stopped) {
- if (status) {
+ if (active) {
uport->hw_stopped = 0;
uport->ops->start_tx(uport);
uart_write_wakeup(uport);
}
} else {
- if (!status) {
+ if (!active) {
uport->hw_stopped = 1;
uport->ops->stop_tx(uport);
}
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 8c4187c4884a..9e3e5e0d11b2 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -898,8 +898,7 @@ static inline bool uart_softcts_mode(struct uart_port *uport)
*/
extern void uart_handle_dcd_change(struct uart_port *uport, bool active);
-extern void uart_handle_cts_change(struct uart_port *uport,
- unsigned int status);
+extern void uart_handle_cts_change(struct uart_port *uport, bool active);
extern void uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag);