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Fixed setting of speed B0 - don't output a bogus divisor of 0 and a

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random prescaler, just hang up.  This may fix hangup problems with
mgetty.
This commit is contained in:
Bruce Evans 1995-11-26 17:13:23 +00:00
parent 8807593b7e
commit 84478e7f42
3 changed files with 27 additions and 15 deletions
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14
sys/dev/cy/cy.c
View file

@ -27,7 +27,7 @@
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: cy.c,v 1.17 1995/11/04 13:23:31 bde Exp $
* $Id: cy.c,v 1.18 1995/11/04 17:07:14 bde Exp $
*/
#include "cy.h"
@ -1675,10 +1675,14 @@ comparam(tp, t)
else
(void)commctl(com, TIOCM_DTR, DMBIS);
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
if (idivisor != 0) {
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
}
if (odivisor != 0) {
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
}
/*
* channel control

14
sys/dev/cy/cy_isa.c
View file

@ -27,7 +27,7 @@
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: cy.c,v 1.17 1995/11/04 13:23:31 bde Exp $
* $Id: cy.c,v 1.18 1995/11/04 17:07:14 bde Exp $
*/
#include "cy.h"
@ -1675,10 +1675,14 @@ comparam(tp, t)
else
(void)commctl(com, TIOCM_DTR, DMBIS);
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
if (idivisor != 0) {
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
}
if (odivisor != 0) {
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
}
/*
* channel control

14
sys/i386/isa/cy.c
View file

@ -27,7 +27,7 @@
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: cy.c,v 1.17 1995/11/04 13:23:31 bde Exp $
* $Id: cy.c,v 1.18 1995/11/04 17:07:14 bde Exp $
*/
#include "cy.h"
@ -1675,10 +1675,14 @@ comparam(tp, t)
else
(void)commctl(com, TIOCM_DTR, DMBIS);
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
if (idivisor != 0) {
cd_outb(iobase, CD1400_RBPR, idivisor);
cd_outb(iobase, CD1400_RCOR, iprescaler);
}
if (odivisor != 0) {
cd_outb(iobase, CD1400_TBPR, odivisor);
cd_outb(iobase, CD1400_TCOR, oprescaler);
}
/*
* channel control