This formula is better at avoiding integer overflow. Signed-off-by: Gerald Van Baren <[EMAIL PROTECTED]> ---
(try 2) The formula I proposed previously in this thread compiles OK. I cannot verify it is correct on real hardware, however. <http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/43499/focus=43506> Best regards, gvb drivers/serial/serial.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index 182ca2d..48579ae 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -150,7 +150,9 @@ static int calc_divisor (NS16550_t port) * but we need to round that value by adding 0.5 or 8/16. * Rounding is especially important at high baud rates. */ - return (((16 * CFG_NS16550_CLK) / MODE_X_DIV / gd->baudrate) + 8) / 16; + return (CFG_NS16550_CLK + (gd->baudrate / 2)) / + (MODE_X_DIV * gd->baudrate); + } #if !defined(CONFIG_SERIAL_MULTI) -- 1.5.6 ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
