Commit 7edc136a authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
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[PATCH] Char: isicom, support higher rates 



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

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cb4a10cc

drivers/char/isicom.c

+7 −2
Original line number Diff line number Diff line
@@ -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 */