Merge tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Pull powerpc updates from Michael Ellerman:

 - Update of all defconfigs

 - Addition of a bunch of config options to modernise our defconfigs

 - Some PS3 updates from Geoff

 - Optimised memcmp for 64 bit from Anton

 - Fix for kprobes that allows 'perf probe' to work from Naveen

 - Several cxl updates from Ian & Ryan

 - Expanded support for the '24x7' PMU from Cody & Sukadev

 - Freescale updates from Scott:
    "Highlights include 8xx optimizations, some more work on datapath
     device tree content, e300 machine check support, t1040 corenet
     error reporting, and various cleanups and fixes"

* tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (102 commits)
  cxl: Add missing return statement after handling AFU errror
  cxl: Fail AFU initialisation if an invalid configuration record is found
  cxl: Export optional AFU configuration record in sysfs
  powerpc/mm: Warn on flushing tlb page in kernel context
  powerpc/powernv: Add OPAL soft-poweroff routine
  powerpc/perf/hv-24x7: Document sysfs event description entries
  powerpc/perf/hv-gpci: add the remaining gpci requests
  powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated
  powerpc/perf/hv-24x7: parse catalog and populate sysfs with events
  perf: define EVENT_DEFINE_RANGE_FORMAT_LITE helper
  perf: add PMU_EVENT_ATTR_STRING() helper
  perf: provide sysfs_show for struct perf_pmu_events_attr
  powerpc/kernel: Avoid initializing device-tree pointer twice
  powerpc: Remove old compile time disabled syscall tracing code
  powerpc/kernel: Make syscall_exit a local label
  cxl: Fix device_node reference counting
  powerpc/mm: bail out early when flushing TLB page
  powerpc: defconfigs: add MTD_SPI_NOR (new dependency for M25P80)
  perf/powerpc: reset event hw state when adding it to the PMU
  powerpc/qe: Use strlcpy()
  ...

arch/powerpc/sysdev/fsl_pci.c

@@ -68,13 +68,10 @@ static int fsl_pcie_check_link(struct pci_controller *hose)
 	u32 val = 0;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK) {
-		if (hose->ops->read == fsl_indirect_read_config) {
-			struct pci_bus bus;
-			bus.number = hose->first_busno;
-			bus.sysdata = hose;
-			bus.ops = hose->ops;
-			indirect_read_config(&bus, 0, PCIE_LTSSM, 4, &val);
-		} else
+		if (hose->ops->read == fsl_indirect_read_config)
+			__indirect_read_config(hose, hose->first_busno, 0,
+					       PCIE_LTSSM, 4, &val);
+		else
 			early_read_config_dword(hose, 0, 0, PCIE_LTSSM, &val);
 		if (val < PCIE_LTSSM_L0)
 			return 1;

arch/powerpc/sysdev/indirect_pci.c

@@ -20,31 +20,31 @@
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
 
-int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
-			 int offset, int len, u32 *val)
+int __indirect_read_config(struct pci_controller *hose,
+			   unsigned char bus_number, unsigned int devfn,
+			   int offset, int len, u32 *val)
 {
-	struct pci_controller *hose = pci_bus_to_host(bus);
 	volatile void __iomem *cfg_data;
 	u8 cfg_type = 0;
 	u32 bus_no, reg;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
-		if (bus->number != hose->first_busno)
+		if (bus_number != hose->first_busno)
 			return PCIBIOS_DEVICE_NOT_FOUND;
 		if (devfn != 0)
 			return PCIBIOS_DEVICE_NOT_FOUND;
 	}
 
 	if (ppc_md.pci_exclude_device)
-		if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
+		if (ppc_md.pci_exclude_device(hose, bus_number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
-		if (bus->number != hose->first_busno)
+		if (bus_number != hose->first_busno)
 			cfg_type = 1;
 
-	bus_no = (bus->number == hose->first_busno) ?
-			hose->self_busno : bus->number;
+	bus_no = (bus_number == hose->first_busno) ?
+			hose->self_busno : bus_number;
 
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG)
 		reg = ((offset & 0xf00) << 16) | (offset & 0xfc);
@@ -77,6 +77,15 @@ int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
 	return PCIBIOS_SUCCESSFUL;
 }
 
+int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
+			 int offset, int len, u32 *val)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	return __indirect_read_config(hose, bus->number, devfn, offset, len,
+				      val);
+}
+
 int indirect_write_config(struct pci_bus *bus, unsigned int devfn,
 			  int offset, int len, u32 val)
 {

arch/powerpc/sysdev/mpic.c

@@ -1929,7 +1929,7 @@ int __init smp_mpic_probe(void)
 
 	DBG("smp_mpic_probe()...\n");
 
-	nr_cpus = cpumask_weight(cpu_possible_mask);
+	nr_cpus = num_possible_cpus();
 
 	DBG("nr_cpus: %d\n", nr_cpus);
 

arch/powerpc/sysdev/ppc4xx_hsta_msi.c

@@ -145,7 +145,7 @@ static int hsta_msi_probe(struct platform_device *pdev)
 	ppc4xx_hsta_msi.address = mem->start;
 	ppc4xx_hsta_msi.data = ioremap(mem->start, resource_size(mem));
 	ppc4xx_hsta_msi.irq_count = irq_count;
-	if (IS_ERR(ppc4xx_hsta_msi.data)) {
+	if (!ppc4xx_hsta_msi.data) {
 		dev_err(dev, "Unable to map memory\n");
 		return -ENOMEM;
 	}

arch/powerpc/sysdev/qe_lib/qe.c

@@ -497,7 +497,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
 	 * saved microcode information and put in the new.
 	 */
 	memset(&qe_firmware_info, 0, sizeof(qe_firmware_info));
-	strcpy(qe_firmware_info.id, firmware->id);
+	strlcpy(qe_firmware_info.id, firmware->id, sizeof(qe_firmware_info.id));
 	qe_firmware_info.extended_modes = firmware->extended_modes;
 	memcpy(qe_firmware_info.vtraps, firmware->vtraps,
 		sizeof(firmware->vtraps));
@@ -583,8 +583,8 @@ struct qe_firmware_info *qe_get_firmware_info(void)
 	/* Copy the data into qe_firmware_info*/
 	sprop = of_get_property(fw, "id", NULL);
 	if (sprop)
-		strncpy(qe_firmware_info.id, sprop,
-			sizeof(qe_firmware_info.id) - 1);
+		strlcpy(qe_firmware_info.id, sprop,
+			sizeof(qe_firmware_info.id));
 
 	prop = of_find_property(fw, "extended-modes", NULL);
 	if (prop && (prop->length == sizeof(u64))) {

arch/powerpc/sysdev/xics/xics-common.c

@@ -148,7 +148,7 @@ int __init xics_smp_probe(void)
 	/* Register all the IPIs */
 	xics_request_ipi();
 
-	return cpumask_weight(cpu_possible_mask);
+	return num_possible_cpus();
 }
 
 #endif /* CONFIG_SMP */