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Do not mask/unmask interrupts on IPAC to clear the interrupt status. 

It is unclear if this realy is needed and if, on which type of cards. I
haven't run accross a card that needs it yet.  This may have been just
a copy & pasto from the ISAC interrupt handler carried over to IPAC.
This commit is contained in:
martin 2002-04-30 12:56:51 +00:00
parent 96d4c35119
commit ea0ec5a299
1 changed files with 9 additions and 2 deletions
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11
sys/dev/ic/isic.c
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@ -27,14 +27,14 @@
* i4b_isic.c - global isic stuff
* ==============================
*
* $Id: isic.c,v 1.16 2002/04/29 13:42:42 martin Exp $
* $Id: isic.c,v 1.17 2002/04/30 12:56:51 martin Exp $
*
* last edit-date: [Fri Jan 5 11:36:10 2001]
*
*---------------------------------------------------------------------------*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isic.c,v 1.16 2002/04/29 13:42:42 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: isic.c,v 1.17 2002/04/30 12:56:51 martin Exp $");
#include <sys/param.h>
#include <sys/ioccom.h>
@ -211,9 +211,16 @@ isicintr(void *arg)
break;
}
#if 0
/*
* This seems not to be necessary on IPACs - no idea why
* it is here - but due to limit range of test cards, leave
* it in for now, in case we have to resurrect it.
*/
IPAC_WRITE(IPAC_MASK, 0xff);
DELAY(50);
IPAC_WRITE(IPAC_MASK, 0xc0);
#endif
return(was_ipac_irq);
}