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[v3,7/9] serial: qcom-geni: drop flip buffer WARN()

Message ID 20241009145110.16847-8-johan+linaro@kernel.org
State New
Headers show
Series serial: qcom-geni: fix receiver enable | expand

Commit Message

Johan Hovold Oct. 9, 2024, 2:51 p.m. UTC 
Drop the unnecessary WARN() in case the TTY buffers are ever full in
favour of a rate limited dev_err() which doesn't kill the machine when
panic_on_warn is set.

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 drivers/tty/serial/qcom_geni_serial.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 6c4349ea5720..22e468065666 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -588,9 +588,8 @@  static void handle_rx_uart(struct uart_port *uport, u32 bytes, bool drop)
 
 	ret = tty_insert_flip_string(tport, port->rx_buf, bytes);
 	if (ret != bytes) {
-		dev_err(uport->dev, "%s:Unable to push data ret %d_bytes %d\n",
-				__func__, ret, bytes);
-		WARN_ON_ONCE(1);
+		dev_err_ratelimited(uport->dev, "failed to push data (%d < %u)\n",
+				ret, bytes);
 	}
 	uport->icount.rx += ret;
 	tty_flip_buffer_push(tport);