Both altera_uart_{r,t}x_chars() need only uart_port, not altera_uart. So pass the former from altera_uart_interrupt() directly. Apart it maybe saves a dereference, this makes the transition of altera_uart_tx_chars() easier to follow in the next patch. Cc: Tobias Klauser <tklauser@xxxxxxxxxx> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> --- Notes: [v4] this is new in v4 -- extracted as a separate change drivers/tty/serial/altera_uart.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 4170e66601ec..82f2790de28d 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -199,9 +199,8 @@ static void altera_uart_set_termios(struct uart_port *port, */ } -static void altera_uart_rx_chars(struct altera_uart *pp) +static void altera_uart_rx_chars(struct uart_port *port) { - struct uart_port *port = &pp->port; unsigned char ch, flag; unsigned short status; @@ -246,9 +245,8 @@ static void altera_uart_rx_chars(struct altera_uart *pp) tty_flip_buffer_push(&port->state->port); } -static void altera_uart_tx_chars(struct altera_uart *pp) +static void altera_uart_tx_chars(struct uart_port *port) { - struct uart_port *port = &pp->port; struct circ_buf *xmit = &port->state->xmit; if (port->x_char) { @@ -286,9 +284,9 @@ static irqreturn_t altera_uart_interrupt(int irq, void *data) spin_lock(&port->lock); if (isr & ALTERA_UART_STATUS_RRDY_MSK) - altera_uart_rx_chars(pp); + altera_uart_rx_chars(port); if (isr & ALTERA_UART_STATUS_TRDY_MSK) - altera_uart_tx_chars(pp); + altera_uart_tx_chars(port); spin_unlock(&port->lock); return IRQ_RETVAL(isr); -- 2.37.3