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RTS shouldn't be touched unless CS_RTS_IFLOW is set.

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This commit is contained in:
Poul-Henning Kamp 1994-02-26 00:04:03 +00:00
parent 2b4ff1d41e
commit bfbc1f09d4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=1215
3 changed files with 9 additions and 6 deletions
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5
sys/dev/sio/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)com.c 7.5 (Berkeley) 5/16/91 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $ * $Id: sio.c,v 1.29 1994/02/24 16:39:48 phk Exp $
*/ */
#include "sio.h" #include "sio.h"
@ -1243,7 +1243,8 @@ repeat:
* of input, so enable RTS if it is now disabled and * of input, so enable RTS if it is now disabled and
* there is room in the high-level buffer. * there is room in the high-level buffer.
*/ */
if (!(com->mcr_image & MCR_RTS) if ((com->state & CS_RTS_IFLOW)
&& !(com->mcr_image & MCR_RTS)
&& !(tp->t_state & TS_RTS_IFLOW)) && !(tp->t_state & TS_RTS_IFLOW))
outb(com->modem_ctl_port, outb(com->modem_ctl_port,
com->mcr_image |= MCR_RTS); com->mcr_image |= MCR_RTS);

5
sys/i386/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)com.c 7.5 (Berkeley) 5/16/91 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $ * $Id: sio.c,v 1.29 1994/02/24 16:39:48 phk Exp $
*/ */
#include "sio.h" #include "sio.h"
@ -1243,7 +1243,8 @@ repeat:
* of input, so enable RTS if it is now disabled and * of input, so enable RTS if it is now disabled and
* there is room in the high-level buffer. * there is room in the high-level buffer.
*/ */
if (!(com->mcr_image & MCR_RTS) if ((com->state & CS_RTS_IFLOW)
&& !(com->mcr_image & MCR_RTS)
&& !(tp->t_state & TS_RTS_IFLOW)) && !(tp->t_state & TS_RTS_IFLOW))
outb(com->modem_ctl_port, outb(com->modem_ctl_port,
com->mcr_image |= MCR_RTS); com->mcr_image |= MCR_RTS);

5
sys/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)com.c 7.5 (Berkeley) 5/16/91 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $ * $Id: sio.c,v 1.29 1994/02/24 16:39:48 phk Exp $
*/ */
#include "sio.h" #include "sio.h"
@ -1243,7 +1243,8 @@ repeat:
* of input, so enable RTS if it is now disabled and * of input, so enable RTS if it is now disabled and
* there is room in the high-level buffer. * there is room in the high-level buffer.
*/ */
if (!(com->mcr_image & MCR_RTS) if ((com->state & CS_RTS_IFLOW)
&& !(com->mcr_image & MCR_RTS)
&& !(tp->t_state & TS_RTS_IFLOW)) && !(tp->t_state & TS_RTS_IFLOW))
outb(com->modem_ctl_port, outb(com->modem_ctl_port,
com->mcr_image |= MCR_RTS); com->mcr_image |= MCR_RTS);