6 files changed, 18 insertions, 23 deletions
diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index d0b18358859e..742004d63c6f 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -1056,8 +1056,7 @@ static int brcmuart_probe(struct platform_device *pdev)
 	}
 
 	/* setup HR timer */
-	hrtimer_init(&priv->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
-	priv->hrt.function = brcmuart_hrtimer_func;
+	hrtimer_setup(&priv->hrt, brcmuart_hrtimer_func, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
 
 	up.port.shutdown = brcmuart_shutdown;
 	up.port.startup = brcmuart_startup;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 442967a6cd52..c57f44882abb 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -566,12 +566,10 @@ static int serial8250_em485_init(struct uart_8250_port *p)
 	if (!p->em485)
 		return -ENOMEM;
 
-	hrtimer_init(&p->em485->stop_tx_timer, CLOCK_MONOTONIC,
-		     HRTIMER_MODE_REL);
-	hrtimer_init(&p->em485->start_tx_timer, CLOCK_MONOTONIC,
-		     HRTIMER_MODE_REL);
-	p->em485->stop_tx_timer.function = &serial8250_em485_handle_stop_tx;
-	p->em485->start_tx_timer.function = &serial8250_em485_handle_start_tx;
+	hrtimer_setup(&p->em485->stop_tx_timer, &serial8250_em485_handle_stop_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
+	hrtimer_setup(&p->em485->start_tx_timer, &serial8250_em485_handle_start_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
 	p->em485->port = p;
 	p->em485->active_timer = NULL;
 	p->em485->tx_stopped = true;
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 04212c823a91..98f178bdbcbe 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2867,11 +2867,10 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
 			return -EINVAL;
 		}
 	}
-
-	hrtimer_init(&uap->trigger_start_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	hrtimer_init(&uap->trigger_stop_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	uap->trigger_start_tx.function = pl011_trigger_start_tx;
-	uap->trigger_stop_tx.function = pl011_trigger_stop_tx;
+	hrtimer_setup(&uap->trigger_start_tx, pl011_trigger_start_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
+	hrtimer_setup(&uap->trigger_stop_tx, pl011_trigger_stop_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
 
 	ret = pl011_setup_port(&dev->dev, uap, &dev->res, portnr);
 	if (ret)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 9c59ec128bb4..9a1afe409b98 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2582,10 +2582,10 @@ static int imx_uart_probe(struct platform_device *pdev)
 		imx_uart_writel(sport, ucr3, UCR3);
 	}
 
-	hrtimer_init(&sport->trigger_start_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	hrtimer_init(&sport->trigger_stop_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	sport->trigger_start_tx.function = imx_trigger_start_tx;
-	sport->trigger_stop_tx.function = imx_trigger_stop_tx;
+	hrtimer_setup(&sport->trigger_start_tx, imx_trigger_start_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
+	hrtimer_setup(&sport->trigger_stop_tx, imx_trigger_stop_tx, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
 
 	/*
 	 * Allocate the IRQ(s) i.MX1 has three interrupts whereas later
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index b1ea48f38248..b72c3bc19bfa 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1702,8 +1702,7 @@ static void sci_request_dma(struct uart_port *port)
 			dma += s->buf_len_rx;
 		}
 
-		hrtimer_init(&s->rx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-		s->rx_timer.function = sci_dma_rx_timer_fn;
+		hrtimer_setup(&s->rx_timer, sci_dma_rx_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 
 		s->chan_rx_saved = s->chan_rx = chan;
 
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 92ec51870d1d..fe457bf1e15b 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -454,7 +454,7 @@ static void cdns_uart_handle_tx(void *dev_id)
 
 	if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED &&
 	    (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port))) {
-		cdns_uart->tx_timer.function = &cdns_rs485_rx_callback;
+		hrtimer_update_function(&cdns_uart->tx_timer, cdns_rs485_rx_callback);
 		hrtimer_start(&cdns_uart->tx_timer,
 			      ns_to_ktime(cdns_calc_after_tx_delay(cdns_uart)), HRTIMER_MODE_REL);
 	}
@@ -734,7 +734,7 @@ static void cdns_uart_start_tx(struct uart_port *port)
 
 	if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED) {
 		if (!cdns_uart->rs485_tx_started) {
-			cdns_uart->tx_timer.function = &cdns_rs485_tx_callback;
+			hrtimer_update_function(&cdns_uart->tx_timer, cdns_rs485_tx_callback);
 			cdns_rs485_tx_setup(cdns_uart);
 			return hrtimer_start(&cdns_uart->tx_timer,
 					     ms_to_ktime(port->rs485.delay_rts_before_send),
@@ -1626,8 +1626,8 @@ static int cdns_rs485_config(struct uart_port *port, struct ktermios *termios,
 		writel(val, port->membase + CDNS_UART_MODEMCR);
 
 		/* Timer setup */
-		hrtimer_init(&cdns_uart->tx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-		cdns_uart->tx_timer.function = &cdns_rs485_tx_callback;
+		hrtimer_setup(&cdns_uart->tx_timer, &cdns_rs485_tx_callback, CLOCK_MONOTONIC,
+			      HRTIMER_MODE_REL);
 
 		/* Disable transmitter and make Rx setup*/
 		cdns_uart_stop_tx(port);