[PATCH] Allow OpenPIC irq 0 to be used
Val Henson
val at nmt.edu
Tue Apr 16 05:43:22 EST 2002
Synergy boards do not have an i8259 hooked up to irq 0, instead we
actually use it as a normal irq line. Yes, I know, bad idea, but
we're stuck with it. The following patch is ugly, but illustrates the
general idea in a way which might possibly be compatible with other
OpenPIC boards.
-VAL
===== arch/ppc/kernel/open_pic.c 1.47 vs edited =====
--- 1.47/arch/ppc/kernel/open_pic.c Tue Feb 5 03:10:24 2002
+++ edited/arch/ppc/kernel/open_pic.c Mon Apr 15 13:42:12 2002
@@ -366,7 +366,7 @@
}
/* Init all external sources */
- for (i = 1; i < NumSources; i++) {
+ for (i = offset ? 1 : 0; i < NumSources; i++) {
int pri, sense;
if (ISR[i] == 0)
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