4 files changed, 23 insertions, 16 deletions

diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c
index df0fc582146..c1917cf67c3 100644
--- a/arch/powerpc/sysdev/xics/icp-hv.c
+++ b/arch/powerpc/sysdev/xics/icp-hv.c
@@ -12,7 +12,6 @@
 #include <linux/irq.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
-#include <linux/init.h>
 #include <linux/cpu.h>
 #include <linux/of.h>
 
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 7cd728b3b5e..de8d9483bbe 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -26,6 +26,7 @@
 #include <asm/errno.h>
 #include <asm/xics.h>
 #include <asm/kvm_ppc.h>
+#include <asm/dbell.h>
 
 struct icp_ipl {
 	union {
@@ -145,7 +146,13 @@ static unsigned int icp_native_get_irq(void)
 static void icp_native_cause_ipi(int cpu, unsigned long data)
 {
 	kvmppc_set_host_ipi(cpu, 1);
-	icp_native_set_qirr(cpu, IPI_PRIORITY);
+#ifdef CONFIG_PPC_DOORBELL
+	if (cpu_has_feature(CPU_FTR_DBELL) &&
+	    (cpumask_test_cpu(cpu, cpu_sibling_mask(smp_processor_id()))))
+		doorbell_cause_ipi(cpu, data);
+	else
+#endif
+		icp_native_set_qirr(cpu, IPI_PRIORITY);
 }
 
 void xics_wake_cpu(int cpu)
@@ -216,7 +223,7 @@ static int __init icp_native_init_one_node(struct device_node *np,
 					   unsigned int *indx)
 {
 	unsigned int ilen;
-	const u32 *ireg;
+	const __be32 *ireg;
 	int i;
 	int reg_tuple_size;
 	int num_servers = 0;
diff --git a/arch/powerpc/sysdev/xics/ics-opal.c b/arch/powerpc/sysdev/xics/ics-opal.c
index 39d72212655..3c6ee1b64e5 100644
--- a/arch/powerpc/sysdev/xics/ics-opal.c
+++ b/arch/powerpc/sysdev/xics/ics-opal.c
@@ -112,6 +112,7 @@ static int ics_opal_set_affinity(struct irq_data *d,
 				 bool force)
 {
 	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
+	__be16 oserver;
 	int16_t server;
 	int8_t priority;
 	int64_t rc;
@@ -120,13 +121,13 @@ static int ics_opal_set_affinity(struct irq_data *d,
 	if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS)
 		return -1;
 
-	rc = opal_get_xive(hw_irq, &server, &priority);
+	rc = opal_get_xive(hw_irq, &oserver, &priority);
 	if (rc != OPAL_SUCCESS) {
-		pr_err("%s: opal_set_xive(irq=%d [hw 0x%x] server=%x)"
-		       " error %lld\n",
-		       __func__, d->irq, hw_irq, server, rc);
+		pr_err("%s: opal_get_xive(irq=%d [hw 0x%x]) error %lld\n",
+		       __func__, d->irq, hw_irq, rc);
 		return -1;
 	}
+	server = be16_to_cpu(oserver);
 
 	wanted_server = xics_get_irq_server(d->irq, cpumask, 1);
 	if (wanted_server < 0) {
@@ -181,7 +182,7 @@ static int ics_opal_map(struct ics *ics, unsigned int virq)
 {
 	unsigned int hw_irq = (unsigned int)virq_to_hw(virq);
 	int64_t rc;
-	int16_t server;
+	__be16 server;
 	int8_t priority;
 
 	if (WARN_ON(hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS))
@@ -201,7 +202,7 @@ static int ics_opal_map(struct ics *ics, unsigned int virq)
 static void ics_opal_mask_unknown(struct ics *ics, unsigned long vec)
 {
 	int64_t rc;
-	int16_t server;
+	__be16 server;
 	int8_t priority;
 
 	/* Check if HAL knows about this interrupt */
@@ -215,14 +216,14 @@ static void ics_opal_mask_unknown(struct ics *ics, unsigned long vec)
 static long ics_opal_get_server(struct ics *ics, unsigned long vec)
 {
 	int64_t rc;
-	int16_t server;
+	__be16 server;
 	int8_t priority;
 
 	/* Check if HAL knows about this interrupt */
 	rc = opal_get_xive(vec, &server, &priority);
 	if (rc != OPAL_SUCCESS)
 		return -1;
-	return ics_opal_unmangle_server(server);
+	return ics_opal_unmangle_server(be16_to_cpu(server));
 }
 
 int __init ics_opal_init(void)
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index 9049d9f4448..fe0cca47716 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -49,7 +49,7 @@ void xics_update_irq_servers(void)
 	int i, j;
 	struct device_node *np;
 	u32 ilen;
-	const u32 *ireg;
+	const __be32 *ireg;
 	u32 hcpuid;
 
 	/* Find the server numbers for the boot cpu. */
@@ -75,8 +75,8 @@ void xics_update_irq_servers(void)
 	 * default distribution server
 	 */
 	for (j = 0; j < i; j += 2) {
-		if (ireg[j] == hcpuid) {
-			xics_default_distrib_server = ireg[j+1];
+		if (be32_to_cpu(ireg[j]) == hcpuid) {
+			xics_default_distrib_server = be32_to_cpu(ireg[j+1]);
 			break;
 		}
 	}
@@ -383,7 +383,7 @@ void __init xics_register_ics(struct ics *ics)
 static void __init xics_get_server_size(void)
 {
 	struct device_node *np;
-	const u32 *isize;
+	const __be32 *isize;
 
 	/* We fetch the interrupt server size from the first ICS node
 	 * we find if any
@@ -394,7 +394,7 @@ static void __init xics_get_server_size(void)
 	isize = of_get_property(np, "ibm,interrupt-server#-size", NULL);
 	if (!isize)
 		return;
-	xics_interrupt_server_size = *isize;
+	xics_interrupt_server_size = be32_to_cpu(*isize);
 	of_node_put(np);
 }