| commit | 2a768264eef098cc1355b02ca5023b6cfb183a1f | |
| author | Eddie Huang <eddie.huang@mediatek.com> | |
| Wed, 22 Oct 2014 13:12:07 +0000 (22 21:12 +0800) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Thu, 6 Nov 2014 22:57:25 +0000 (6 14:57 -0800) | ||
| tree | f28fb3d93fc08248120d520ef9432c27992f90bd | treesnapshot (tar.gz zip) |
| parent | 7645c2f4677198df449228a4736d7f94e5c14156 | commitdiff |
tty: serial: Fix mediatek UART driver setting baudrate issue
In mtk8250_set_termios function, calculating quot value can not be zero,
otherwise, using DIV_ROUND_CLOSEST(port->uartclk, quot * baud) will fail due to
divisor is zero.
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In mtk8250_set_termios function, calculating quot value can not be zero,
otherwise, using DIV_ROUND_CLOSEST(port->uartclk, quot * baud) will fail due to
divisor is zero.
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/tty/serial/8250/8250_mtk.c | diffblobblamehistory |