X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fsysdev%2Fmpic.c;h=8e3478c995ef6ebc34d30a150dde4b6533730393;hb=96e2e6fafaedd83bd899f682907e14d1eec17390;hp=7680001676a6ee076627fbc214528750c098efc6;hpb=d36e311070ee3a378a54142a168ff5cfedba33d5;p=karo-tx-linux.git

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 7680001676a6..8e3478c995ef 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1016,13 +1016,11 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 	memset(mpic, 0, sizeof(struct mpic));
 	mpic->name = name;
 
-	mpic->irqhost = irq_alloc_host(of_node_get(node), IRQ_HOST_MAP_LINEAR,
+	mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
 				       isu_size, &mpic_host_ops,
 				       flags & MPIC_LARGE_VECTORS ? 2048 : 256);
-	if (mpic->irqhost == NULL) {
-		of_node_put(node);
+	if (mpic->irqhost == NULL)
 		return NULL;
-	}
 
 	mpic->irqhost->host_data = mpic;
 	mpic->hc_irq = mpic_irq_chip;
@@ -1143,10 +1141,14 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 	greg_feature = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
 	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 (isu_size == 0) {
+		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++) {
@@ -1494,7 +1496,7 @@ void mpic_request_ipis(void)
 	static char *ipi_names[] = {
 		"IPI0 (call function)",
 		"IPI1 (reschedule)",
-		"IPI2 (unused)",
+		"IPI2 (call function single)",
 		"IPI3 (debugger break)",
 	};
 	BUG_ON(mpic == NULL);