[PATCH v1 1/2] serial: 8250_dw: Re-use temporary variable for of_node

[PATCH v1 1/2] serial: 8250_dw: Re-use temporary variable for of_node

[Andy Shevchenko]

In couple of places we may re-use temporary variable instead of
dereferencing it. No functional changes intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/tty/serial/8250/8250_dw.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index cf87022e73e4..792389acf9f6 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -389,8 +389,9 @@ static bool dw8250_idma_filter(struct dma_chan *chan, void *param)
 
 static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
 {
-	if (p->dev->of_node) {
-		struct device_node *np = p->dev->of_node;
+	struct device_node *np = p->dev->of_node;
+
+	if (np) {
 		int id;
 
 		/* get index of serial line, if found in DT aliases */
@@ -407,11 +408,13 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
 			data->skip_autocfg = true;
 		}
 #endif
-		if (of_device_is_big_endian(p->dev->of_node)) {
+
+		if (of_device_is_big_endian(np)) {
 			p->iotype = UPIO_MEM32BE;
 			p->serial_in = dw8250_serial_in32be;
 			p->serial_out = dw8250_serial_out32be;
 		}
+
 		if (of_device_is_compatible(np, "marvell,armada-38x-uart"))
 			p->serial_out = dw8250_serial_out38x;
 
-- 
2.33.0

[PATCH v1 2/2] serial: 8250_dw: Fix the trivial typo in the comment

[Andy Shevchenko]

Fix the trivial typo in the comment: Premilinary --> Preliminary.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/tty/serial/8250/8250_dw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 792389acf9f6..5a2ff843ec5d 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -338,7 +338,7 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
 	rate = clk_round_rate(d->clk, newrate);
 	if (rate > 0) {
 		/*
-		 * Premilinary set the uartclk to the new clock rate so the
+		 * Preliminary set the uartclk to the new clock rate so the
 		 * clock update event handler caused by the clk_set_rate()
 		 * calling wouldn't actually update the UART divisor since
 		 * we about to do this anyway.
-- 
2.33.0