5 files changed, 28 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 580e3eed4b78..af424acd393d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -692,6 +692,7 @@ struct acpi_dev_node {
  * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all
  *              hardware supports 64-bit addresses for consistent allocations
  *              such descriptors.
+ * @dma_pfn_offset: offset of DMA memory range relatively of RAM
  * @dma_parms:  A low level driver may set these to teach IOMMU code about
  *              segment limitations.
  * @dma_pools:  Dma pools (if dma'ble device).
@@ -759,6 +760,7 @@ struct device {
                                              not all hardware supports
                                              64 bit addresses for consistent
                                              allocations such descriptors. */
+        unsigned long   dma_pfn_offset;
 
         struct device_dma_parameters *dma_parms;
 
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 0c3eab1e39ac..931b70986272 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -129,6 +129,13 @@ static inline int dma_coerce_mask_and_coherent(struct device *dev, u64 mask)
 
 extern u64 dma_get_required_mask(struct device *dev);
 
+#ifndef set_arch_dma_coherent_ops
+static inline int set_arch_dma_coherent_ops(struct device *dev)
+{
+        return 0;
+}
+#endif
+
 static inline unsigned int dma_get_max_seg_size(struct device *dev)
 {
         return dev->dma_parms ? dev->dma_parms->max_segment_size : 65536;
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 906ca7681756..c13b8782a4eb 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -62,6 +62,9 @@ extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
 extern struct of_pci_range *of_pci_range_parser_one(
                                         struct of_pci_range_parser *parser,
                                         struct of_pci_range *range);
+extern int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+                                u64 *paddr, u64 *size);
+extern bool of_dma_is_coherent(struct device_node *np);
 #else /* CONFIG_OF_ADDRESS */
 static inline struct device_node *of_find_matching_node_by_address(
                                         struct device_node *from,
@@ -89,6 +92,17 @@ static inline struct of_pci_range *of_pci_range_parser_one(
 {
         return NULL;
 }
+
+static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+                                u64 *paddr, u64 *size)
+{
+        return -ENODEV;
+}
+
+static inline bool of_dma_is_coherent(struct device_node *np)
+{
+        return false;
+}
 #endif /* CONFIG_OF_ADDRESS */
 
 #ifdef CONFIG_OF
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 91d66fd8dce1..f76994b9396c 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -327,6 +327,8 @@ extern unsigned long get_safe_page(gfp_t gfp_mask);
 extern void hibernation_set_ops(const struct platform_hibernation_ops *ops);
 extern int hibernate(void);
 extern bool system_entering_hibernation(void);
+asmlinkage int swsusp_save(void);
+extern struct pbe *restore_pblist;
 #else /* CONFIG_HIBERNATION */
 static inline void register_nosave_region(unsigned long b, unsigned long e) {}
 static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index edff2b97b864..c52f827ba6ce 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -32,6 +32,7 @@ struct vm_area_struct;
 struct mm_struct;
 struct inode;
 struct notifier_block;
+struct page;
 
 #define UPROBE_HANDLER_REMOVE           1
 #define UPROBE_HANDLER_MASK             1
@@ -127,6 +128,8 @@ extern int  arch_uprobe_exception_notify(struct notifier_block *self, unsigned l
 extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
 extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
 extern bool __weak arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs);
+extern void __weak arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
+                                         void *src, unsigned long len);
 #else /* !CONFIG_UPROBES */
 struct uprobes_state {
 };