linux-kernel - [PATCH 11/12] USB: serial: ftdi_sio: simplify divisor handling

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Date:   Sun, 11 Sep 2022 16:02:15 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Amireddy mallikarjuna reddy <mallikarjuna.reddy@...ichip.com>,
        arun.pappan@...ichip.com, sowjanya.reddy@...ichip.com,
        malliamireddy009@...il.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 11/12] USB: serial: ftdi_sio: simplify divisor handling

In preparation for adding further Hi-Speed types, assume the device type
is Hi-Speed unless it's an explicitly listed legacy type when
determining divisors.

Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/usb/serial/ftdi_sio.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a43101000ee3..e9f508e31876 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1370,9 +1370,7 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
 			baud = 9600;
 		}
 		break;
-	case FT2232H:
-	case FT4232H:
-	case FT232H:
+	default:
 		if ((baud <= 12000000) && (baud >= 1200)) {
 			div_value = ftdi_2232h_baud_to_divisor(baud);
 		} else if (baud < 1200) {
-- 
2.35.1