Re: [PATCH 04/15] tty: serial: qcom-geni-serial: simplify the to_dev_port() macro

Ilpo Järvinen
2022-11-18T15:11:48Z

On Fri, 18 Nov 2022, Bartosz Golaszewski wrote:

> 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.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
> drivers/tty/serial/qcom_geni_serial.c | 33 +++++++++++++--------------
> 1 file changed, 16 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 97ee7c074b79..1db2795804e9 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -133,8 +133,7 @@ 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)
> +#define to_dev_port(ptr) container_of(ptr, struct qcom_geni_serial_port, uport)

Make this a static inline now that you're touching it.

--
i.

> static struct qcom_geni_serial_port qcom_geni_uart_ports[GENI_UART_PORTS] = {
> [0] = {
> @@ -175,7 +174,7 @@ 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 +211,7 @@ 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 +252,7 @@ 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 +505,7 @@ 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 +548,7 @@ 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 +597,7 @@ 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 +626,7 @@ 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 +648,7 @@ 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 +686,7 @@ 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 +706,7 @@ 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 +802,7 @@ 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 +868,7 @@ 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 +916,7 @@ 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 +1002,7 @@ 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 +1287,7 @@ 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)
>