6 files changed, 27 insertions, 17 deletions

diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index a70bc1e385e..f92b9ef7340 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -52,32 +52,38 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type)
 
 static unsigned int pnv_get_one_msi(struct pnv_phb *phb)
 {
-	unsigned int id;
+	unsigned long flags;
+	unsigned int id, rc;
+
+	spin_lock_irqsave(&phb->lock, flags);
 
-	spin_lock(&phb->lock);
 	id = find_next_zero_bit(phb->msi_map, phb->msi_count, phb->msi_next);
 	if (id >= phb->msi_count && phb->msi_next)
 		id = find_next_zero_bit(phb->msi_map, phb->msi_count, 0);
 	if (id >= phb->msi_count) {
-		spin_unlock(&phb->lock);
-		return 0;
+		rc = 0;
+		goto out;
 	}
 	__set_bit(id, phb->msi_map);
-	spin_unlock(&phb->lock);
-	return id + phb->msi_base;
+	rc = id + phb->msi_base;
+out:
+	spin_unlock_irqrestore(&phb->lock, flags);
+	return rc;
 }
 
 static void pnv_put_msi(struct pnv_phb *phb, unsigned int hwirq)
 {
+	unsigned long flags;
 	unsigned int id;
 
 	if (WARN_ON(hwirq < phb->msi_base ||
 		    hwirq >= (phb->msi_base + phb->msi_count)))
 		return;
 	id = hwirq - phb->msi_base;
-	spin_lock(&phb->lock);
+
+	spin_lock_irqsave(&phb->lock, flags);
 	__clear_bit(id, phb->msi_map);
-	spin_unlock(&phb->lock);
+	spin_unlock_irqrestore(&phb->lock, flags);
 }
 
 static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 565869022e3..c0b40af4ce4 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -551,9 +551,9 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
 			printk (KERN_ERR "EEH: %d reads ignored for recovering device at "
 				"location=%s driver=%s pci addr=%s\n",
 				pdn->eeh_check_count, location,
-				dev->driver->name, eeh_pci_name(dev));
+				eeh_driver_name(dev), eeh_pci_name(dev));
 			printk (KERN_ERR "EEH: Might be infinite loop in %s driver\n",
-				dev->driver->name);
+				eeh_driver_name(dev));
 			dump_stack();
 		}
 		goto dn_unlock;
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index b84a8b2238d..47226e04126 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -24,6 +24,7 @@
 #include <asm/machdep.h>
 #include <asm/mmu.h>
 #include <asm/rtas.h>
+#include <asm/topology.h>
 
 static u64 stream_id;
 static struct device suspend_dev;
@@ -138,8 +139,11 @@ static ssize_t store_hibernate(struct device *dev,
 			ssleep(1);
 	} while (rc == -EAGAIN);
 
-	if (!rc)
+	if (!rc) {
+		stop_topology_update();
 		rc = pm_suspend(PM_SUSPEND_MEM);
+		start_topology_update();
+	}
 
 	stream_id = 0;
 
diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c
index 57687439254..97fe82ee863 100644
--- a/arch/powerpc/platforms/wsp/ics.c
+++ b/arch/powerpc/platforms/wsp/ics.c
@@ -346,7 +346,7 @@ static int wsp_chip_set_affinity(struct irq_data *d,
 	 * For the moment only implement delivery to all cpus or one cpu.
 	 * Get current irq_server for the given irq
 	 */
-	ret = cache_hwirq_map(ics, d->irq, cpumask);
+	ret = cache_hwirq_map(ics, hw_irq, cpumask);
 	if (ret == -1) {
 		char cpulist[128];
 		cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
diff --git a/arch/powerpc/platforms/wsp/smp.c b/arch/powerpc/platforms/wsp/smp.c
index 71bd105f386..0ba103ae83a 100644
--- a/arch/powerpc/platforms/wsp/smp.c
+++ b/arch/powerpc/platforms/wsp/smp.c
@@ -71,7 +71,7 @@ int __devinit smp_a2_kick_cpu(int nr)
 
 static int __init smp_a2_probe(void)
 {
-	return cpus_weight(cpu_possible_map);
+	return num_possible_cpus();
 }
 
 static struct smp_ops_t a2_smp_ops = {
diff --git a/arch/powerpc/platforms/wsp/wsp_pci.c b/arch/powerpc/platforms/wsp/wsp_pci.c
index e0262cd0e2d..d24b3acf858 100644
--- a/arch/powerpc/platforms/wsp/wsp_pci.c
+++ b/arch/powerpc/platforms/wsp/wsp_pci.c
@@ -468,15 +468,15 @@ static void __init wsp_pcie_configure_hw(struct pci_controller *hose)
 #define DUMP_REG(x) \
 	pr_debug("%-30s : 0x%016llx\n", #x, in_be64(hose->cfg_data + x))
 
-#ifdef CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS
-	/* WSP DD1 has a bogus class code by default in the PCI-E
-	 * root complex's built-in P2P bridge */
+	/*
+	 * Some WSP variants  has a bogus class code by default in the PCI-E
+	 * root complex's built-in P2P bridge
+	 */
 	val = in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1);
 	pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", val);
 	out_be64(hose->cfg_data + PCIE_REG_SYS_CFG1,
 		 (val & ~PCIE_REG_SYS_CFG1_CLASS_CODE) | (PCI_CLASS_BRIDGE_PCI << 8));
 	pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1));
-#endif /* CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS */
 
 #ifdef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS
 	/* XXX Disable TCE caching, it doesn't work on DD1 */