7 files changed, 41 insertions, 26 deletions

diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index bb3d84f4046f..b0984ada3f83 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -25,6 +25,7 @@
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
+#include <asm/udbg.h>
 #include <asm/fsl_guts.h>
 #include "smp.h"
 
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 31e1adeaa92a..0cfb46d54b8c 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -175,9 +175,6 @@ config PPC_INDIRECT_MMIO
 config PPC_IO_WORKAROUNDS
 	bool
 
-config GENERIC_IOMAP
-	bool
-
 source "drivers/cpufreq/Kconfig"
 
 menu "CPU Frequency drivers"
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index f31162cfdaa9..5e155dfc4320 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -204,11 +204,10 @@ static void __devinit pnv_ioda_offset_bus(struct pci_bus *bus,
 	pr_devel("  -> OBR %s [%x] +%016llx\n",
 		 bus->self ? pci_name(bus->self) : "root", flags, offset);
 
-	for (i = 0; i < 2; i++) {
-		r = bus->resource[i];
+	pci_bus_for_each_resource(bus, r, i) {
 		if (r && (r->flags & flags)) {
-			bus->resource[i]->start += offset;
-			bus->resource[i]->end += offset;
+			r->start += offset;
+			r->end += offset;
 		}
 	}
 	list_for_each_entry(dev, &bus->devices, bus_list)
@@ -288,12 +287,17 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags,
 	 * assignment algorithm is going to be uber-trivial for now, we
 	 * can try to be smarter later at filling out holes.
 	 */
-	start = bus->self ? 0 : bus->resource[bres]->start;
-
-	/* Don't hand out IO 0 */
-	if ((flags & IORESOURCE_IO) && !bus->self)
-		start += 0x1000;
-
+	if (bus->self) {
+		/* No offset for downstream bridges */
+		start = 0;
+	} else {
+		/* Offset from the root */
+		if (flags & IORESOURCE_IO)
+			/* Don't hand out IO 0 */
+			start = hose->io_resource.start + 0x1000;
+		else
+			start = hose->mem_resources[0].start;
+	}
 	while(!list_empty(&head)) {
 		w = list_first_entry(&head, struct resource_wrap, link);
 		list_del(&w->link);
@@ -321,13 +325,20 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags,
  empty:
 	/* Only setup P2P's, not the PHB itself */
 	if (bus->self) {
-		WARN_ON(bus->resource[bres] == NULL);
-		bus->resource[bres]->start = 0;
-		bus->resource[bres]->flags = (*size) ? flags : 0;
-		bus->resource[bres]->end = (*size) ? (*size - 1) : 0;
+		struct resource *res = bus->resource[bres];
+
+		if (WARN_ON(res == NULL))
+			return;
 
-		/* Clear prefetch bus resources for now */
-		bus->resource[2]->flags = 0;
+		/*
+		 * FIXME: We should probably export and call
+		 * pci_bridge_check_ranges() to properly re-initialize
+		 * the PCI portion of the flags here, and to detect
+		 * what the bridge actually supports.
+		 */
+		res->start = 0;
+		res->flags = (*size) ? flags : 0;
+		res->end = (*size) ? (*size - 1) : 0;
 	}
 
 	pr_devel("<- CBR %s [%x] *size=%016llx *align=%016llx\n",
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index ae7b6d41fed3..31f22c1f657d 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -122,7 +122,7 @@ config DTL
 	  Say N if you are unsure.
 
 config PSERIES_IDLE
-	tristate "Cpuidle driver for pSeries platforms"
+	bool "Cpuidle driver for pSeries platforms"
 	depends on CPU_IDLE
 	depends on PPC_PSERIES
 	default y
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index fd05fdee576a..3ce73d0052b1 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -36,6 +36,7 @@ BEGIN_FTR_SECTION;						\
 	b	1f;						\
 END_FTR_SECTION(0, 1);						\
 	ld      r12,hcall_tracepoint_refcount@toc(r2);		\
+	std	r12,32(r1);					\
 	cmpdi	r12,0;						\
 	beq+	1f;						\
 	mflr	r0;						\
@@ -74,7 +75,7 @@ END_FTR_SECTION(0, 1);						\
 BEGIN_FTR_SECTION;						\
 	b	1f;						\
 END_FTR_SECTION(0, 1);						\
-	ld      r12,hcall_tracepoint_refcount@toc(r2);		\
+	ld      r12,32(r1);					\
 	cmpdi	r12,0;						\
 	beq+	1f;						\
 	mflr	r0;						\
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 948e0e3b3547..7bc73af6c7b9 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -546,6 +546,13 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
 	unsigned long flags;
 	unsigned int *depth;
 
+	/*
+	 * We cannot call tracepoints inside RCU idle regions which
+	 * means we must not trace H_CEDE.
+	 */
+	if (opcode == H_CEDE)
+		return;
+
 	local_irq_save(flags);
 
 	depth = &__get_cpu_var(hcall_trace_depth);
@@ -556,8 +563,6 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
 	(*depth)++;
 	preempt_disable();
 	trace_hcall_entry(opcode, args);
-	if (opcode == H_CEDE)
-		rcu_idle_enter();
 	(*depth)--;
 
 out:
@@ -570,6 +575,9 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
 	unsigned long flags;
 	unsigned int *depth;
 
+	if (opcode == H_CEDE)
+		return;
+
 	local_irq_save(flags);
 
 	depth = &__get_cpu_var(hcall_trace_depth);
@@ -578,8 +586,6 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
 		goto out;
 
 	(*depth)++;
-	if (opcode == H_CEDE)
-		rcu_idle_exit();
 	trace_hcall_exit(opcode, retval, retbuf);
 	preempt_enable();
 	(*depth)--;
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 330a57b7c17c..36f957f31842 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -638,7 +638,6 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
 		/* These are almost always orderly shutdowns. */
 		return;
 	case KMSG_DUMP_OOPS:
-	case KMSG_DUMP_KEXEC:
 		break;
 	case KMSG_DUMP_PANIC:
 		panicking = true;