linux-kernel - [PATCH] tty: serial: qcom_geni_serial: To correct logic for QUP HW version

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Message-Id: <1595571242-9967-1-git-send-email-parashar@codeaurora.org>
Date:   Fri, 24 Jul 2020 11:44:02 +0530
From:   Paras Sharma <parashar@...eaurora.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jiri Slaby <jslaby@...e.com>, linux-arm-msm@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        akashast@...eaurora.org, Paras Sharma <parashar@...eaurora.org>
Subject: [PATCH] tty: serial: qcom_geni_serial: To correct logic for QUP HW version

To correct the logic to detect whether the QUP HW version is greater
 than 2.5.

Signed-off-by: Paras Sharma <parashar@...eaurora.org>
---
 drivers/tty/serial/qcom_geni_serial.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 1ed3d35..5b0efb49 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -954,7 +954,8 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
 	sampling_rate = UART_OVERSAMPLING;
 	/* Sampling rate is halved for IP versions >= 2.5 */
 	ver = geni_se_get_qup_hw_version(&port->se);
-	if (GENI_SE_VERSION_MAJOR(ver) >= 2 && GENI_SE_VERSION_MINOR(ver) >= 5)
+	if ((GENI_SE_VERSION_MAJOR(ver) >= 2 && GENI_SE_VERSION_MINOR(ver) >= 5)
+		|| GENI_SE_VERSION_MAJOR(ver) >= 3)
 		sampling_rate /= 2;
 
 	clk_rate = get_clk_div_rate(baud, sampling_rate, &clk_div);
-- 
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