---

yaml --- r: 101608 b: refs/heads/master c: 475ca39 h: refs/heads/master v: v3
git-mirror · May 23, 2008 · b329a6a · b329a6a
1 parent 15541aa
commit b329a6a
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Showing 3 changed files with 9 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2ca7633dc73405ee775a2e9b7961b47a38bc882d
+refs/heads/master: 475ca391b490a683d66bf19999a8a7a24913f139
diff --git a/trunk/arch/powerpc/sysdev/mpic.c b/trunk/arch/powerpc/sysdev/mpic.c
@@ -1144,9 +1144,12 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 	mpic->num_cpus = ((greg_feature & MPIC_GREG_FEATURE_LAST_CPU_MASK)
 			  >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1;
 	if (isu_size == 0)
-		mpic->num_sources =
-			((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK)
-			 >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1;
+		if (flags & MPIC_BROKEN_FRR_NIRQS)
+			mpic->num_sources = mpic->irq_count;
+		else
+			mpic->num_sources =
+				((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK)
+				 >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1;
 
 	/* Map the per-CPU registers */
 	for (i = 0; i < mpic->num_cpus; i++) {

diff --git a/trunk/include/asm-powerpc/mpic.h b/trunk/include/asm-powerpc/mpic.h
@@ -353,6 +353,8 @@ struct mpic
 #define MPIC_ENABLE_MCK			0x00000200
 /* Disable bias among target selection, spread interrupts evenly */
 #define MPIC_NO_BIAS			0x00000400
+/* Ignore NIRQS as reported by FRR */
+#define MPIC_BROKEN_FRR_NIRQS		0x00000800
 
 /* MPIC HW modification ID */
 #define MPIC_REGSET_MASK		0xf0000000