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authorSascha Hauer <s.hauer@pengutronix.de>2011-01-03 12:15:11 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-03 12:15:11 +0300
commit1fef891761ddcbd7e57ec3961a0fb748003222ac (patch)
treed192f1677521e17f1a943f8df570dd6449aa0da8 /drivers/serial/mfd.c
parentd3d4b60b12369eded0ea0c5dffee0888ec4d80cd (diff)
parent1d3f33d541312acd34bd2fa780396d111a0f73b1 (diff)
downloadlinux-1fef891761ddcbd7e57ec3961a0fb748003222ac.tar.xz
Merge branch 'sgu/mxs-core-v8' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-for-2.6.38-new
Diffstat (limited to 'drivers/serial/mfd.c')
-rw-r--r--drivers/serial/mfd.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c
index 5fc699e929dc..d40010a22ecd 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 */