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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2024-03-01 22:45:27 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-02 22:06:21 +0100
commit09b8ff269401b2064afb5df42529bc18f6ad7d76 (patch)
treef4eecd4f403ee5919fc008daae01ede2fbaa8632
parent1155f8ef1f9a3b4795f9e758b1393b6acb1afef9 (diff)
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>
-rw-r--r--drivers/tty/serial/pch_uart.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 29ed6f8621d7..124eb816fca7 100644
--- 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;