serial: pch: Make push_rx() return void.

push_rx() returns always 0.

Make push_rx() return void.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-15-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 29ed6f8621d7d58da5b29f5b390aaf4ab46209e8..124eb816fca7e0ba522db6191e29ce6c06884c9c 100644 (file)
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -599,16 +599,14 @@ static void pch_uart_hal_set_break(struct eg20t_port *priv, int on)
        iowrite8(lcr, priv->membase + UART_LCR);
 }
 
-static int push_rx(struct eg20t_port *priv, const unsigned char *buf,
-                  int size)
+static void push_rx(struct eg20t_port *priv, const unsigned char *buf,
+                   int size)
 {
        struct uart_port *port = &priv->port;
        struct tty_port *tport = &port->state->port;
 
        tty_insert_flip_string(tport, buf, size);
        tty_flip_buffer_push(tport);
-
-       return 0;
 }
 
 static int dma_push_rx(struct eg20t_port *priv, int size)
@@ -761,7 +759,7 @@ static int handle_rx_to(struct eg20t_port *priv)
 {
        struct pch_uart_buffer *buf;
        int rx_size;
-       int ret;
+
        if (!priv->start_rx) {
                pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT |
                                                     PCH_UART_HAL_RX_ERR_INT);
@@ -770,9 +768,7 @@ static int handle_rx_to(struct eg20t_port *priv)
        buf = &priv->rxbuf;
        do {
                rx_size = pch_uart_hal_read(priv, buf->buf, buf->size);
-               ret = push_rx(priv, buf->buf, rx_size);
-               if (ret)
-                       return 0;
+               push_rx(priv, buf->buf, rx_size);
        } while (rx_size == buf->size);
 
        return PCH_UART_HANDLED_RX_INT;