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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2022-12-29 16:50:27 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-19 15:08:25 +0100
commit0626afe57b1f02a961e18802ea445dc562bdf77b (patch)
tree753cd50ca7359600360da6df1f509bc844b5eafc
parenttty: serial: qcom-geni-serial: refactor qcom_geni_serial_send_chunk_fifo() (diff)
downloadlinux-0626afe57b1f02a961e18802ea445dc562bdf77b.tar.xz
linux-0626afe57b1f02a961e18802ea445dc562bdf77b.zip
tty: serial: qcom-geni-serial: drop the return value from handle_rx
The return value of the handle_rx() callback is never checked. Drop it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Link: https://lore.kernel.org/r/20221229155030.418800-12-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/qcom_geni_serial.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 3705c0f893a4..6daa3e205fc9 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;
@@ -502,7 +502,7 @@ 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)];
@@ -537,16 +537,15 @@ 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);
@@ -557,7 +556,7 @@ 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) {
@@ -567,7 +566,6 @@ 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)