diff mbox series

[v4,04/13] tty: serial: qcom-geni-serial: improve the to_dev_port() macro

Message ID 20221129110012.224685-5-brgl@bgdev.pl (mailing list archive)
State Superseded
Headers show
Series serial: qcom-geni-serial: implement support for SE DMA | expand

Commit Message

Bartosz Golaszewski Nov. 29, 2022, 11 a.m. UTC 
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

The member we want to resolve in struct qcom_geni_serial_port is called
uport so we don't need an additional redundant parameter in this macro.

While at it: turn the macro into a static inline function.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/tty/serial/qcom_geni_serial.c | 36 ++++++++++++++-------------
 1 file changed, 19 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 97ee7c074b79..e4139718e084 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -133,8 +133,10 @@  static const struct uart_ops qcom_geni_uart_pops;
 static struct uart_driver qcom_geni_console_driver;
 static struct uart_driver qcom_geni_uart_driver;
 
-#define to_dev_port(ptr, member) \
-		container_of(ptr, struct qcom_geni_serial_port, member)
+static inline struct qcom_geni_serial_port *to_dev_port(struct uart_port *uport)
+{
+	return container_of(uport, struct qcom_geni_serial_port, uport);
+}
 
 static struct qcom_geni_serial_port qcom_geni_uart_ports[GENI_UART_PORTS] = {
 	[0] = {
@@ -175,7 +177,7 @@  static struct qcom_geni_serial_port qcom_geni_console_port = {
 static int qcom_geni_serial_request_port(struct uart_port *uport)
 {
 	struct platform_device *pdev = to_platform_device(uport->dev);
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	uport->membase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(uport->membase))
@@ -212,7 +214,7 @@  static void qcom_geni_serial_set_mctrl(struct uart_port *uport,
 							unsigned int mctrl)
 {
 	u32 uart_manual_rfr = 0;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	if (uart_console(uport))
 		return;
@@ -253,7 +255,7 @@  static bool qcom_geni_serial_poll_bit(struct uart_port *uport,
 	struct qcom_geni_private_data *private_data = uport->private_data;
 
 	if (private_data->drv) {
-		port = to_dev_port(uport, uport);
+		port = to_dev_port(uport);
 		baud = port->baud;
 		if (!baud)
 			baud = 115200;
@@ -506,7 +508,7 @@  static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
 	u32 i;
 	unsigned char buf[sizeof(u32)];
 	struct tty_port *tport;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	tport = &uport->state->port;
 	for (i = 0; i < bytes; ) {
@@ -549,7 +551,7 @@  static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
 static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop)
 {
 	struct tty_port *tport;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 	u32 num_bytes_pw = port->tx_fifo_width / BITS_PER_BYTE;
 	u32 words = ALIGN(bytes, num_bytes_pw) / num_bytes_pw;
 	int ret;
@@ -598,7 +600,7 @@  static void qcom_geni_serial_stop_tx(struct uart_port *uport)
 {
 	u32 irq_en;
 	u32 status;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	irq_en = readl(uport->membase + SE_GENI_M_IRQ_EN);
 	irq_en &= ~(M_CMD_DONE_EN | M_TX_FIFO_WATERMARK_EN);
@@ -627,7 +629,7 @@  static void qcom_geni_serial_handle_rx(struct uart_port *uport, bool drop)
 	u32 last_word_byte_cnt;
 	u32 last_word_partial;
 	u32 total_bytes;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	status = readl(uport->membase +	SE_GENI_RX_FIFO_STATUS);
 	word_cnt = status & RX_FIFO_WC_MSK;
@@ -649,7 +651,7 @@  static void qcom_geni_serial_stop_rx(struct uart_port *uport)
 {
 	u32 irq_en;
 	u32 status;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 	u32 s_irq_status;
 
 	irq_en = readl(uport->membase + SE_GENI_S_IRQ_EN);
@@ -687,7 +689,7 @@  static void qcom_geni_serial_start_rx(struct uart_port *uport)
 {
 	u32 irq_en;
 	u32 status;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	status = readl(uport->membase + SE_GENI_STATUS);
 	if (status & S_GENI_CMD_ACTIVE)
@@ -707,7 +709,7 @@  static void qcom_geni_serial_start_rx(struct uart_port *uport)
 static void qcom_geni_serial_handle_tx(struct uart_port *uport, bool done,
 		bool active)
 {
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 	struct circ_buf *xmit = &uport->state->xmit;
 	size_t avail;
 	size_t remaining;
@@ -803,7 +805,7 @@  static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
 	struct uart_port *uport = dev;
 	bool drop_rx = false;
 	struct tty_port *tport = &uport->state->port;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	if (uport->suspended)
 		return IRQ_NONE;
@@ -869,7 +871,7 @@  static void qcom_geni_serial_shutdown(struct uart_port *uport)
 
 static int qcom_geni_serial_port_setup(struct uart_port *uport)
 {
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 	u32 rxstale = DEFAULT_BITS_PER_CHAR * STALE_TIMEOUT;
 	u32 proto;
 	u32 pin_swap;
@@ -917,7 +919,7 @@  static int qcom_geni_serial_port_setup(struct uart_port *uport)
 static int qcom_geni_serial_startup(struct uart_port *uport)
 {
 	int ret;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	if (!port->setup) {
 		ret = qcom_geni_serial_port_setup(uport);
@@ -1003,7 +1005,7 @@  static void qcom_geni_serial_set_termios(struct uart_port *uport,
 	u32 stop_bit_len;
 	unsigned int clk_div;
 	u32 ser_clk_cfg;
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 	unsigned long clk_rate;
 	u32 ver, sampling_rate;
 	unsigned int avg_bw_core;
@@ -1288,7 +1290,7 @@  static struct uart_driver qcom_geni_uart_driver = {
 static void qcom_geni_serial_pm(struct uart_port *uport,
 		unsigned int new_state, unsigned int old_state)
 {
-	struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
+	struct qcom_geni_serial_port *port = to_dev_port(uport);
 
 	/* If we've never been called, treat it as off */
 	if (old_state == UART_PM_STATE_UNDEFINED)