korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-12 21:44:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

serial: tegra: Remove custom frame size calculation

Browse Source 
The number of bits can be calculated using tty_get_frame_size(), no
need for the driver to do it on its own.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220830084925.5608-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-08-30 11:49:25 +03:00 committed by Greg Kroah-Hartman
parent 5ec2952c62
commit cac8f71941
1 changed files with 3 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/tty/serial/serial-tegra.c
View File

@ -1279,7 +1279,6 @@ static void tegra_uart_set_termios(struct uart_port *u,
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);
int max_divider = (tup->cdata->support_clk_src_div) ? 0x7FFF : 0xFFFF;
@ -1306,7 +1305,6 @@ static void tegra_uart_set_termios(struct uart_port *u,
termios->c_cflag &= ~CMSPAR;
if ((termios->c_cflag & PARENB) == PARENB) {
symb_bit++;
if (termios->c_cflag & PARODD) {
lcr |= UART_LCR_PARITY;
lcr &= ~UART_LCR_EPAR;
@ -1319,22 +1317,18 @@ 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;
lcr |= UART_LCR_WLEN(char_bits);
/* Stop bits */
if (termios->c_cflag & CSTOPB) {
if (termios->c_cflag & CSTOPB)
lcr |= UART_LCR_STOP;
symb_bit += 2;
} else {
else
lcr &= ~UART_LCR_STOP;
symb_bit++;
}
tegra_uart_write(tup, lcr, UART_LCR);
tup->lcr_shadow = lcr;
tup->symb_bit = symb_bit;
tup->symb_bit = tty_get_frame_size(termios->c_cflag);
/* Baud rate. */
baud = uart_get_baud_rate(u, termios, oldtermios,