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[PATCH] Char: isicom, support higher rates

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Add support for higher baud rates (coming from original isi driver).

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2007-02-10 01:44:54 -08:00 committed by Linus Torvalds
parent cb4a10ccb0
commit 7edc136ab6
1 changed files with 7 additions and 2 deletions
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9
drivers/char/isicom.c
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@ -183,7 +183,7 @@ static DEFINE_TIMER(tx, isicom_tx, 0, 0);
/* baud index mappings from linux defns to isi */
static signed char linuxb_to_isib[] = {
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 18, 19
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 18, 19, 20, 21
};
struct isi_board {
@ -710,7 +710,8 @@ static void isicom_config_port(struct isi_port *port)
* respectively.
*/
if (baud < 1 || baud > 2)
/* 1,2,3,4 => 57.6, 115.2, 230, 460 kbps resp. */
if (baud < 1 || baud > 4)
port->tty->termios->c_cflag &= ~CBAUDEX;
else
baud += 15;
@ -726,6 +727,10 @@ static void isicom_config_port(struct isi_port *port)
baud++; /* 57.6 Kbps */
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
baud +=2; /* 115 Kbps */
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
baud += 3; /* 230 kbps*/
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
baud += 4; /* 460 kbps*/
}
if (linuxb_to_isib[baud] == -1) {
/* hang up */