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cardbus io reservation

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

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

@@ -238,7 +238,7 @@

 			m = *l;

 			if(m->end <= port)

 				continue;

-			if(m->reserved && m->start == port && m->end == port + size) {

+			if(m->reserved && m->start == port && m->end >= port + size) {

 				m->reserved = 0;

 				unlock(&iomap);

 				return m->start;

-- 

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