linux-kernel - [PATCH 1/3] 8250_men_mcb: Add clockrate speed for G215/F215 boards

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Date:   Wed, 5 Jul 2023 13:15:10 +0000
From:   Rodríguez Barbarin, José Javier 
        <JoseJavier.Rodriguez@...gon.com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "jirislaby@...nel.org" <jirislaby@...nel.org>
CC:     "morbidrsa@...il.com" <morbidrsa@...il.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jth@...nel.org" <jth@...nel.org>,
        Sanjuán García, Jorge 
        <Jorge.SanjuanGarcia@...gon.com>,
        Rodríguez Barbarin, José Javier 
        <JoseJavier.Rodriguez@...gon.com>,
        Sanjuán García, Jorge 
        <Jorge.SanjuanGarcia@...gon.com>
Subject: [PATCH 1/3] 8250_men_mcb: Add clockrate speed for G215/F215 boards

Some F215 FPGA multifunction boards announce themselves as 215.
This leads to a misconfigured clockrate. The F215 is the same board
as G215 but with different cPCI interface so make them get the same
configuration

Co-developed-by: Jorge Sanjuan Garcia <jorge.sanjuangarcia@...gon.com>
Signed-off-by: Jorge Sanjuan Garcia <jorge.sanjuangarcia@...gon.com>
Signed-off-by: Javier Rodriguez <josejavier.rodriguez@...gon.com>
---
 drivers/tty/serial/8250/8250_men_mcb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_men_mcb.c b/drivers/tty/serial/8250/8250_men_mcb.c
index f46ca13ff4aa..a2cdaeb61e00 100644
--- a/drivers/tty/serial/8250/8250_men_mcb.c
+++ b/drivers/tty/serial/8250/8250_men_mcb.c
@@ -37,10 +37,10 @@ static u32 men_lookup_uartclk(struct mcb_device *mdev)
 		clkval = 1041666;
 	else if (strncmp(mdev->bus->name, "F216", 4) == 0)
 		clkval = 1843200;
-	else if (strncmp(mdev->bus->name, "G215", 4) == 0)
-		clkval = 1843200;
 	else if (strncmp(mdev->bus->name, "F210", 4) == 0)
 		clkval = 115200;
+	else if (strstr(mdev->bus->name, "215"))
+		clkval = 1843200;
 	else
 		dev_info(&mdev->dev,
 			 "board not detected, using default uartclk\n");
-- 
2.34.1