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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-12-02 20:58:16 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-12-02 20:58:16 (GMT) |
| commit | eed5ee1a3ab3020168cd67fdde2500452b0628c9 (patch) | |
| tree | 9548c5a4851b1a1e832b7800baf1e72b33bc7a66 /drivers/serial/mfd.c | |
| parent | 435a5aebf609624bdf7c5a9a7705c260d0076195 (diff) | |
| parent | a5880a9e5bb40fbae55de60051d69a29091053c3 (diff) | |
| download | linux-fsl-qoriq-eed5ee1a3ab3020168cd67fdde2500452b0628c9.tar.xz | |
Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
serial: mfd: adjust the baud rate setting
TTY: open/hangup race fixup
TTY: don't allow reopen when ldisc is changing
NET: wan/x25, fix ldisc->open retval
TTY: ldisc, fix open flag handling
serial8250: Mark console as CON_ANYTIME
Diffstat (limited to 'drivers/serial/mfd.c')
| -rw-r--r-- | drivers/serial/mfd.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c index 5fc699e..d40010a 100644 --- a/drivers/serial/mfd.c +++ b/drivers/serial/mfd.c @@ -900,8 +900,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, unsigned char cval, fcr = 0; unsigned long flags; unsigned int baud, quot; - u32 mul = 0x3600; - u32 ps = 0x10; + u32 ps, mul; switch (termios->c_cflag & CSIZE) { case CS5: @@ -943,31 +942,24 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, baud = uart_get_baud_rate(port, termios, old, 0, 4000000); quot = 1; + ps = 0x10; + mul = 0x3600; switch (baud) { case 3500000: mul = 0x3345; ps = 0xC; break; - case 3000000: - mul = 0x2EE0; - break; - case 2500000: - mul = 0x2710; - break; - case 2000000: - mul = 0x1F40; - break; case 1843200: mul = 0x2400; break; + case 3000000: + case 2500000: + case 2000000: case 1500000: - mul = 0x1770; - break; case 1000000: - mul = 0xFA0; - break; case 500000: - mul = 0x7D0; + /* mul/ps/quot = 0x9C4/0x10/0x1 will make a 500000 bps */ + mul = baud / 500000 * 0x9C4; break; default: /* Use uart_get_divisor to get quot for other baud rates */ |