5 files changed, 3 insertions, 9 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index 437555424bda..51a56c8b04b4 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -1,6 +1,5 @@
 config NIOS2
 	def_bool y
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select CLKSRC_OF
 	select GENERIC_ATOMIC64
 	select GENERIC_CLOCKEVENTS
@@ -16,6 +15,7 @@ config NIOS2
 	select SOC_BUS
 	select SPARSE_IRQ
 	select USB_ARCH_HAS_HCD if USB_SUPPORT
+	select CPU_NO_EFFICIENT_FFS
 
 config GENERIC_CSUM
 	def_bool y
diff --git a/arch/nios2/include/asm/io.h b/arch/nios2/include/asm/io.h
index c5a62da22cd2..ce072ba0f8dd 100644
--- a/arch/nios2/include/asm/io.h
+++ b/arch/nios2/include/asm/io.h
@@ -50,7 +50,6 @@ static inline void iounmap(void __iomem *addr)
 
 /* Pages to physical address... */
 #define page_to_phys(page)	virt_to_phys(page_to_virt(page))
-#define page_to_bus(page)	page_to_virt(page)
 
 /* Macros used for converting between virtual and physical mappings. */
 #define phys_to_virt(vaddr)	\
diff --git a/arch/nios2/include/asm/page.h b/arch/nios2/include/asm/page.h
index 4b32d6fd9d98..c1683f51ad0f 100644
--- a/arch/nios2/include/asm/page.h
+++ b/arch/nios2/include/asm/page.h
@@ -84,7 +84,7 @@ extern struct page *mem_map;
 	((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET))
 
 #define page_to_virt(page)	\
-	((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+	((void *)(((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
 
 # define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
 # define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET &&	\
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index a213e8c9aad0..298393c3cb42 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -209,7 +209,7 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 			      pte_t *ptep, pte_t pteval)
 {
-	unsigned long paddr = page_to_virt(pte_page(pteval));
+	unsigned long paddr = (unsigned long)page_to_virt(pte_page(pteval));
 
 	flush_dcache_range(paddr, paddr + PAGE_SIZE);
 	set_pte(ptep, pteval);
diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h
index c2ba45c159c7..1c953f0cadbf 100644
--- a/arch/nios2/include/asm/processor.h
+++ b/arch/nios2/include/asm/processor.h
@@ -75,11 +75,6 @@ static inline void release_thread(struct task_struct *dead_task)
 {
 }
 
-/* Free current thread data structures etc.. */
-static inline void exit_thread(void)
-{
-}
-
 /* Return saved PC of a blocked thread. */
 #define thread_saved_pc(tsk)	((tsk)->thread.kregs->ea)