linux-kernel - [PATCH 4/5] sdio_uart: make use of UART_LCR_WLEN() + tty_get_char

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Message-Id: <20220224095558.30929-4-jslaby@suse.cz>
Date:   Thu, 24 Feb 2022 10:55:57 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>,
        Ulf Hansson <ulf.hansson@...aro.org>, linux-mmc@...r.kernel.org
Subject: [PATCH 4/5] sdio_uart: make use of UART_LCR_WLEN() + tty_get_char_size()

Having a generic UART_LCR_WLEN() macro and the tty_get_char_size()
helper, we can remove all those repeated switch-cases in drivers.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org
---
 drivers/mmc/core/sdio_uart.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c
index 04c0823e0359..e6eb5bd6e440 100644
--- a/drivers/mmc/core/sdio_uart.c
+++ b/drivers/mmc/core/sdio_uart.c
@@ -250,21 +250,7 @@ static void sdio_uart_change_speed(struct sdio_uart_port *port,
 	unsigned char cval, fcr = 0;
 	unsigned int baud, quot;
 
-	switch (termios->c_cflag & CSIZE) {
-	case CS5:
-		cval = UART_LCR_WLEN5;
-		break;
-	case CS6:
-		cval = UART_LCR_WLEN6;
-		break;
-	case CS7:
-		cval = UART_LCR_WLEN7;
-		break;
-	default:
-	case CS8:
-		cval = UART_LCR_WLEN8;
-		break;
-	}
+	cval = UART_LCR_WLEN(tty_get_char_size(termios->c_cflag));
 
 	if (termios->c_cflag & CSTOPB)
 		cval |= UART_LCR_STOP;
-- 
2.35.1