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Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/cma.h8
-rw-r--r--include/linux/pci-acpi.h7
2 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 0430ed05d3b9..a93438beb33c 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -18,12 +18,12 @@ struct cma;
extern phys_addr_t cma_get_base(struct cma *cma);
extern unsigned long cma_get_size(struct cma *cma);
-extern int __init cma_declare_contiguous(phys_addr_t size,
- phys_addr_t base, phys_addr_t limit,
+extern int __init cma_declare_contiguous(phys_addr_t base,
+ phys_addr_t size, phys_addr_t limit,
phys_addr_t alignment, unsigned int order_per_bit,
bool fixed, struct cma **res_cma);
-extern int cma_init_reserved_mem(phys_addr_t size,
- phys_addr_t base, int order_per_bit,
+extern int cma_init_reserved_mem(phys_addr_t base,
+ phys_addr_t size, int order_per_bit,
struct cma **res_cma);
extern struct page *cma_alloc(struct cma *cma, int count, unsigned int align);
extern bool cma_release(struct cma *cma, struct page *pages, int count);
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 64dacb7288a6..24c7728ca681 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -41,8 +41,13 @@ static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
if (pci_is_root_bus(pbus))
dev = pbus->bridge;
- else
+ else {
+ /* If pbus is a virtual bus, there is no bridge to it */
+ if (!pbus->self)
+ return NULL;
+
dev = &pbus->self->dev;
+ }
return ACPI_HANDLE(dev);
}