summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/dma.c2
-rw-r--r--arch/powerpc/kernel/irq.c2
-rw-r--r--arch/powerpc/kernel/pci-common.c8
-rw-r--r--arch/powerpc/kernel/rtas.c3
-rw-r--r--arch/powerpc/kernel/setup_32.c6
5 files changed, 18 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 59503ed98e5f..3f1472a78f39 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -303,7 +303,7 @@ int dma_set_coherent_mask(struct device *dev, u64 mask)
dev->coherent_dma_mask = mask;
return 0;
}
-EXPORT_SYMBOL_GPL(dma_set_coherent_mask);
+EXPORT_SYMBOL(dma_set_coherent_mask);
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 45096033d37b..290559df1e8b 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -441,7 +441,7 @@ void migrate_irqs(void)
chip = irq_data_get_irq_chip(data);
- cpumask_and(mask, data->affinity, map);
+ cpumask_and(mask, irq_data_get_affinity_mask(data), map);
if (cpumask_any(mask) >= nr_cpu_ids) {
pr_warn("Breaking affinity for irq %i\n", irq);
cpumask_copy(mask, map);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index a1d0632d97c6..7587b2ae5f77 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1032,7 +1032,13 @@ void pcibios_set_master(struct pci_dev *dev)
void pcibios_fixup_bus(struct pci_bus *bus)
{
- /* Fixup the bus */
+ /* When called from the generic PCI probe, read PCI<->PCI bridge
+ * bases. This is -not- called when generating the PCI tree from
+ * the OF device-tree.
+ */
+ pci_read_bridge_bases(bus);
+
+ /* Now fixup the bus bus */
pcibios_setup_bus_self(bus);
/* Now fixup devices on that bus */
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 84bf934cf748..5a753fae8265 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -1043,6 +1043,9 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!rtas.entry)
+ return -EINVAL;
+
if (copy_from_user(&args, uargs, 3 * sizeof(u32)) != 0)
return -EFAULT;
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index bb02e9f6944e..ad8c9db61237 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -38,6 +38,7 @@
#include <asm/udbg.h>
#include <asm/mmu_context.h>
#include <asm/epapr_hcalls.h>
+#include <asm/code-patching.h>
#define DBG(fmt...)
@@ -109,6 +110,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
* This is called very early on the boot process, after a minimal
* MMU environment has been set up but before MMU_init is called.
*/
+extern unsigned int memset_nocache_branch; /* Insn to be replaced by NOP */
+
notrace void __init machine_init(u64 dt_ptr)
{
lockdep_init();
@@ -116,6 +119,9 @@ notrace void __init machine_init(u64 dt_ptr)
/* Enable early debugging if any specified (see udbg.h) */
udbg_early_init();
+ patch_instruction((unsigned int *)&memcpy, PPC_INST_NOP);
+ patch_instruction(&memset_nocache_branch, PPC_INST_NOP);
+
/* Do some early initialization based on the flat device tree */
early_init_devtree(__va(dt_ptr));