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Don't poll more than 4 ports.

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This commit is contained in:
mycroft 1994-03-23 03:04:32 +00:00
parent 4cc5b77bfa
commit a3c2ef3169
2 changed files with 10 additions and 4 deletions
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7
sys/arch/i386/isa/ast.c
View File

@ -3,7 +3,7 @@
* Roland McGrath 3/20/94
* Charles Hannum 3/22/94
*
* $Id: ast.c,v 1.2 1994/03/23 03:01:50 mycroft Exp $
* $Id: ast.c,v 1.3 1994/03/23 03:04:32 mycroft Exp $
*/
#include "ast.h"
@ -66,7 +66,8 @@ astattach(dev)
*
* It's also not clear that it would be correct to rely on this, since
* there might be an interrupt pending on one of the ports, and thus
* its bit wouldn't be set. - mycroft
* its bit wouldn't be set. I think the AST protocol simply does not
* support more than 4 ports. - mycroft
*/
printf("%s: 0x%x\n", sc->sc_dev.dv_xname, x);
}
@ -102,10 +103,12 @@ astintr(unit)
TRY(1);
TRY(2);
TRY(3);
#ifdef notdef
TRY(4);
TRY(5);
TRY(6);
TRY(7);
#endif
bits = inb(iobase | 0x1f) & alive;
} while (bits != alive);

7
sys/dev/isa/ast.c
View File

@ -3,7 +3,7 @@
* Roland McGrath 3/20/94
* Charles Hannum 3/22/94
*
* $Id: ast.c,v 1.2 1994/03/23 03:01:50 mycroft Exp $
* $Id: ast.c,v 1.3 1994/03/23 03:04:32 mycroft Exp $
*/
#include "ast.h"
@ -66,7 +66,8 @@ astattach(dev)
*
* It's also not clear that it would be correct to rely on this, since
* there might be an interrupt pending on one of the ports, and thus
* its bit wouldn't be set. - mycroft
* its bit wouldn't be set. I think the AST protocol simply does not
* support more than 4 ports. - mycroft
*/
printf("%s: 0x%x\n", sc->sc_dev.dv_xname, x);
}
@ -102,10 +103,12 @@ astintr(unit)
TRY(1);
TRY(2);
TRY(3);
#ifdef notdef
TRY(4);
TRY(5);
TRY(6);
TRY(7);
#endif
bits = inb(iobase | 0x1f) & alive;
} while (bits != alive);