linux-kernel - [PATCH v1] serial: qcom-geni: Add support for 8 Mbps baud rate

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Message-ID: <20250523103721.5042-1-quic_jseerapu@quicinc.com>
Date: Fri, 23 May 2025 16:07:21 +0530
From: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby
	<jirislaby@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-serial@...r.kernel.org>, <quic_msavaliy@...cinc.com>,
        <quic_vtanuku@...cinc.com>, <dmitry.baryshkov@....qualcomm.com>
Subject: [PATCH v1] serial: qcom-geni: Add support for 8 Mbps baud rate

Current GENI UART driver supports Max Baud rate up to 4 Mbps.
Add support to increase maximum baud rate to 8 Mbps.

Signed-off-by: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>
---
 drivers/tty/serial/qcom_geni_serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index a80ce7aaf309..a86b84d7b134 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1287,7 +1287,7 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
 	unsigned long timeout;
 
 	/* baud rate */
-	baud = uart_get_baud_rate(uport, termios, old, 300, 4000000);
+	baud = uart_get_baud_rate(uport, termios, old, 300, 8000000);
 
 	sampling_rate = UART_OVERSAMPLING;
 	/* Sampling rate is halved for IP versions >= 2.5 */
-- 
2.17.1