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mxser: 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@suse.cz>
Link: https://lore.kernel.org/r/20220224095558.30929-5-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2022-02-24 10:55:58 +01:00 committed by Greg Kroah-Hartman
parent 834119f576
commit e7d6f84c9b
1 changed files with 1 additions and 15 deletions
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16
drivers/tty/mxser.c
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@ -588,21 +588,7 @@ static void mxser_change_speed(struct tty_struct *tty, struct ktermios *old_term
}
/* byte size and parity */
switch (cflag & CSIZE) {
default:
case CS5:
cval = UART_LCR_WLEN5;
break;
case CS6:
cval = UART_LCR_WLEN6;
break;
case CS7:
cval = UART_LCR_WLEN7;
break;
case CS8:
cval = UART_LCR_WLEN8;
break;
}
cval = UART_LCR_WLEN(tty_get_char_size(tty->termios.c_cflag));
if (cflag & CSTOPB)
cval |= UART_LCR_STOP;