On Mon, Apr 09, 2018 at 01:38:35PM -0600, Karthikeyan Ramasubramanian wrote:
> * Remove redundant casting while using min_t
> * Remove redundant initialization of port_setup flag
> * Remove redundant error checking in get_tx_fifo_size
> * Remove logging redundant error code in debug messages
> * Remove redundant disable_irq before free_irq
>
> Signed-off-by: Karthikeyan Ramasubramanian <kramasub@xxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/qcom_geni_serial.c | 18 +++++-------------
> 1 file changed, 5 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 1652b1f..ae959d6 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -309,7 +309,7 @@ static void qcom_geni_serial_wr_char(struct uart_port *uport, int ch)
> if (!qcom_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
> M_TX_FIFO_WATERMARK_EN, true))
> break;
> - chars_to_write = min_t(size_t, (size_t)(count - i), avail / 2);
> + chars_to_write = min_t(size_t, count - i, avail / 2);
> uart_console_write(uport, s + i, chars_to_write,
> qcom_geni_serial_wr_char);
> writel_relaxed(M_TX_FIFO_WATERMARK_EN, uport->membase +
> @@ -602,7 +602,7 @@ static void qcom_geni_serial_handle_tx(struct uart_port *uport)
> unsigned int buf = 0;
> int c;
>
> - tx_bytes = min_t(size_t, remaining, (size_t)port->tx_bytes_pw);
> + tx_bytes = min_t(size_t, remaining, port->tx_bytes_pw);
> for (c = 0; c < tx_bytes ; c++)
> buf |= (xmit->buf[tail + c] << (c * BITS_PER_BYTE));
>
> @@ -675,9 +675,6 @@ static int get_tx_fifo_size(struct qcom_geni_serial_port *port)
> {
> struct uart_port *uport;
>
> - if (!port)
> - return -ENODEV;
> -
With this get_tx_fifo_size() returns always 0, also the only caller
doesn't evaluate the return value. Change to void?
> uport = &port->uport;
> port->tx_fifo_depth = geni_se_get_tx_fifo_depth(&port->se);
> port->tx_fifo_width = geni_se_get_tx_fifo_width(&port->se);
> @@ -706,7 +703,6 @@ static void qcom_geni_serial_shutdown(struct uart_port *uport)
> /* Stop the console before stopping the current tx */
> console_stop(uport->cons);
>
> - disable_irq(uport->irq);
> free_irq(uport->irq, uport);
> spin_lock_irqsave(&uport->lock, flags);
> qcom_geni_serial_stop_tx(uport);
> @@ -914,7 +910,7 @@ static int __init qcom_geni_console_setup(struct console *co, char *options)
>
> port = get_port_from_line(co->index);
> if (IS_ERR(port)) {
> - pr_err("Invalid line %d(%d)\n", co->index, (int)PTR_ERR(port));
> + pr_err("Invalid line %d\n", co->index);
> return PTR_ERR(port);
> }
>
> @@ -1030,16 +1026,13 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
>
> if (pdev->dev.of_node)
> line = of_alias_get_id(pdev->dev.of_node, "serial");
> - else
> - line = pdev->id;
>
> if (line < 0 || line >= GENI_UART_CONS_PORTS)
> return -ENXIO;
> port = get_port_from_line(line);
> if (IS_ERR(port)) {
> - ret = PTR_ERR(port);
> - dev_err(&pdev->dev, "Invalid line %d(%d)\n", line, ret);
> - return ret;
> + dev_err(&pdev->dev, "Invalid line %d\n", line);
> + return PTR_ERR(port);
> }
>
> uport = &port->uport;
> @@ -1076,7 +1069,6 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
> uport->private_data = &qcom_geni_console_driver;
> platform_set_drvdata(pdev, port);
> port->handle_rx = handle_rx_console;
> - port->setup = false;
> return uart_add_one_port(&qcom_geni_console_driver, uport);
> }
>
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