[PATCH 09/15] tty: serial: qcom-geni-serial: drop the return value from handle_rx
From: Bartosz Golaszewski
Date: Fri Nov 18 2022 - 07:27:13 EST
From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
The return value of the handle_rx() callback is never checked. Drop it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
drivers/tty/serial/qcom_geni_serial.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 4b155ca0ac74..72d0e7b91080 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -114,7 +114,7 @@ struct qcom_geni_serial_port {
u32 tx_fifo_width;
u32 rx_fifo_depth;
bool setup;
- int (*handle_rx)(struct uart_port *uport, u32 bytes, bool drop);
+ void (*handle_rx)(struct uart_port *uport, u32 bytes, bool drop);
unsigned int baud;
void *rx_fifo;
u32 loopback;
@@ -499,7 +499,7 @@ static void qcom_geni_serial_console_write(struct console *co, const char *s,
spin_unlock_irqrestore(&uport->lock, flags);
}
-static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
+static void handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
{
u32 i;
unsigned char buf[sizeof(u32)];
@@ -534,16 +534,15 @@ static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
}
if (!drop)
tty_flip_buffer_push(tport);
- return 0;
}
#else
-static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
+static void handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
{
- return -EPERM;
+
}
#endif /* CONFIG_SERIAL_QCOM_GENI_CONSOLE */
-static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop)
+static void 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);
@@ -554,7 +553,7 @@ static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop)
tport = &uport->state->port;
ioread32_rep(uport->membase + SE_GENI_RX_FIFOn, port->rx_fifo, words);
if (drop)
- return 0;
+ return;
ret = tty_insert_flip_string(tport, port->rx_fifo, bytes);
if (ret != bytes) {
@@ -564,7 +563,6 @@ static int handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop)
}
uport->icount.rx += ret;
tty_flip_buffer_push(tport);
- return ret;
}
static unsigned int qcom_geni_serial_tx_empty(struct uart_port *uport)
--
2.37.2