[PATCH v2 09/15] tty: serial: qcom-geni-serial: drop the return value from handle_rx

From: Bartosz Golaszewski <brgl@bgdev.pl>
To: "Andy Gross" <agross@kernel.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Konrad Dybcio" <konrad.dybcio@somainline.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>,
	"Vinod Koul" <vkoul@kernel.org>, "Alex Elder" <elder@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-serial@vger.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>
Subject: [PATCH v2 09/15] tty: serial: qcom-geni-serial: drop the return value from handle_rx
Date: Tue, 22 Nov 2022 11:21:19 +0100	[thread overview]
Message-ID: <20221122102125.142075-10-brgl@bgdev.pl> (raw)
In-Reply-To: <20221122102125.142075-1-brgl@bgdev.pl>

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

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>
---
 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 658b6d596f58..d5c343b06c23 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)
-- 
2.37.2

