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Ensure uniqueness of EEPROM device without reference to cf_unit.

This commit is contained in:
pk 2000-02-05 12:32:57 +00:00
parent 3fb18954ab
commit b527153dd7
1 changed files with 7 additions and 2 deletions
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9
sys/arch/sparc/sparc/clock.c
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@ -1,4 +1,4 @@
/* $NetBSD: clock.c,v 1.69 1998/10/14 14:53:36 pk Exp $ */
/* $NetBSD: clock.c,v 1.70 2000/02/05 12:32:57 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -320,6 +320,9 @@ oclockattach(parent, self, aux)
#endif /* SUN4 */
}
/* We support only on eeprom device */
static int eeprom_attached;
/*
* Sun 4/100, 4/200 EEPROM match routine.
*/
@ -335,7 +338,8 @@ eeprom_match(parent, cf, aux)
if (uoba->uoba_isobio4 == 0)
return (0);
if (cf->cf_unit != 0)
if (eeprom_attached)
/* We support only on eeprom device */
return (0);
/* Only these sun4s have oclock */
@ -363,6 +367,7 @@ eeprom_attach(parent, self, aux)
struct obio4_attach_args *oba = &uoba->uoba_oba4;
bus_space_handle_t bh;
eeprom_attached = 1;
printf("\n");
if (obio_bus_map(oba->oba_bustag,