diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2022-02-24 10:55:55 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-28 21:49:06 +0100 |
| commit | 988c5bbea59ffacb7762983760ae40d721ea304b (patch) | |
| tree | a45740280669bf483b3c0237d263df936b3b6616 /drivers/tty/serial/serial-tegra.c | |
| parent | 797bd4d41c8b41afc10fad39146ac9558cb39e94 (diff) | |
tty: serial: 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.
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220224095558.30929-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/serial-tegra.c')
| -rw-r--r-- | drivers/tty/serial/serial-tegra.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index b6223fab0687..d942ab152f5a 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1277,6 +1277,7 @@ static void tegra_uart_set_termios(struct uart_port *u, unsigned int baud; unsigned long flags; unsigned int lcr; + unsigned char char_bits; int symb_bit = 1; struct clk *parent_clk = clk_get_parent(tup->uart_clk); unsigned long parent_clk_rate = clk_get_rate(parent_clk); @@ -1316,25 +1317,10 @@ static void tegra_uart_set_termios(struct uart_port *u, } } + char_bits = tty_get_char_size(termios->c_cflag); + symb_bit += char_bits; lcr &= ~UART_LCR_WLEN8; - switch (termios->c_cflag & CSIZE) { - case CS5: - lcr |= UART_LCR_WLEN5; - symb_bit += 5; - break; - case CS6: - lcr |= UART_LCR_WLEN6; - symb_bit += 6; - break; - case CS7: - lcr |= UART_LCR_WLEN7; - symb_bit += 7; - break; - default: - lcr |= UART_LCR_WLEN8; - symb_bit += 8; - break; - } + lcr |= UART_LCR_WLEN(char_bits); /* Stop bits */ if (termios->c_cflag & CSTOPB) { |