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acpi: _ADR and _BBN might be methods, so use amleval() to evaluate the value

--- a/sys/src/9/pc/archacpi.c

+++ b/sys/src/9/pc/archacpi.c

@@ -260,7 +260,10 @@

 	if((x = amlwalk(dot, "^_BBN")) == nil)

 		if((x = amlwalk(dot, "^_ADR")) == nil)

 			return -1;

-	adr = amlint(amlval(x));

+	p = nil;

+	if(amleval(x, "", &p) < 0)

+		return -1;

+	adr = amlint(p);

 	/* if root bridge, then we are done here */

 	if(id != nil && (strcmp(id, "PNP0A03")==0 || strcmp(id, "PNP0A08")==0))

 		return adr;

@@ -282,7 +285,7 @@

 pciaddr(void *dot)

 {

 	int adr, bno;

-	void *x;

+	void *x, *p;

 	for(;;){

 		if((x = amlwalk(dot, "_ADR")) == nil){

@@ -294,9 +297,10 @@

 		}

 		if((bno = pcibusno(x)) < 0)

 			break;

-		if((x = amlval(x)) == nil)

+		p = nil;

+		if(amleval(x, "", &p) < 0)

 			break;

-		adr = amlint(x);

+		adr = amlint(p);

 		return MKBUS(BusPCI, bno, adr>>16, adr&0xFFFF);

 	}

 	return -1;

-- 

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