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Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c18
-rw-r--r--arch/powerpc/platforms/pseries/xics.c12
2 files changed, 9 insertions, 21 deletions
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 67b7a10f9fc..37bce52526d 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -236,7 +236,9 @@ static struct device_node *derive_parent(const char *path)
int dlpar_attach_node(struct device_node *dn)
{
+#ifdef CONFIG_PROC_DEVICETREE
struct proc_dir_entry *ent;
+#endif
int rc;
of_node_set_flag(dn, OF_DYNAMIC);
@@ -267,10 +269,10 @@ int dlpar_attach_node(struct device_node *dn)
int dlpar_detach_node(struct device_node *dn)
{
+#ifdef CONFIG_PROC_DEVICETREE
struct device_node *parent = dn->parent;
struct property *prop = dn->properties;
-#ifdef CONFIG_PROC_DEVICETREE
while (prop) {
remove_proc_entry(prop->name, dn->pde);
prop = prop->next;
@@ -344,20 +346,6 @@ int dlpar_release_drc(u32 drc_index)
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static DEFINE_MUTEX(pseries_cpu_hotplug_mutex);
-
-void cpu_hotplug_driver_lock(void)
-__acquires(pseries_cpu_hotplug_mutex)
-{
- mutex_lock(&pseries_cpu_hotplug_mutex);
-}
-
-void cpu_hotplug_driver_unlock(void)
-__releases(pseries_cpu_hotplug_mutex)
-{
- mutex_unlock(&pseries_cpu_hotplug_mutex);
-}
-
static int dlpar_online_cpu(struct device_node *dn)
{
int rc = 0;
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index b9b9e11609e..d80f193cd87 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -163,14 +163,13 @@ static inline void lpar_qirr_info(int n_cpu , u8 value)
/* Interface to generic irq subsystem */
#ifdef CONFIG_SMP
-static int get_irq_server(unsigned int virq, unsigned int strict_check)
+static int get_irq_server(unsigned int virq, cpumask_t cpumask,
+ unsigned int strict_check)
{
int server;
/* For the moment only implement delivery to all cpus or one cpu */
- cpumask_t cpumask;
cpumask_t tmp = CPU_MASK_NONE;
- cpumask_copy(&cpumask, irq_to_desc(virq)->affinity);
if (!distribute_irqs)
return default_server;
@@ -192,7 +191,8 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check)
return default_server;
}
#else
-static int get_irq_server(unsigned int virq, unsigned int strict_check)
+static int get_irq_server(unsigned int virq, cpumask_t cpumask,
+ unsigned int strict_check)
{
return default_server;
}
@@ -211,7 +211,7 @@ static void xics_unmask_irq(unsigned int virq)
if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
return;
- server = get_irq_server(virq, 0);
+ server = get_irq_server(virq, *(irq_to_desc(virq)->affinity), 0);
call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server,
DEFAULT_PRIORITY);
@@ -405,7 +405,7 @@ static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask)
* For the moment only implement delivery to all cpus or one cpu.
* Get current irq_server for the given irq
*/
- irq_server = get_irq_server(virq, 1);
+ irq_server = get_irq_server(virq, *cpumask, 1);
if (irq_server == -1) {
char cpulist[128];
cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);