From c4c4594b005d89b56964071bbbdeb07daac5bc76 Mon Sep 17 00:00:00 2001
From: Chris Zankel <chris@zankel.net>
Date: Wed, 28 Nov 2012 16:53:51 -0800
Subject: xtensa: clean up files to make them code-style compliant

Remove heading and trailing spaces, trim trailing lines, and wrap lines
that are longer than 80 characters.

Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/Makefile                    |  1 -
 arch/xtensa/include/asm/bootparam.h     | 19 ++++++---------
 arch/xtensa/include/asm/cacheasm.h      |  1 -
 arch/xtensa/include/asm/cacheflush.h    |  3 ++-
 arch/xtensa/include/asm/checksum.h      | 19 +++++++++------
 arch/xtensa/include/asm/cmpxchg.h       |  3 ++-
 arch/xtensa/include/asm/current.h       |  2 +-
 arch/xtensa/include/asm/delay.h         |  7 +++---
 arch/xtensa/include/asm/dma-mapping.h   |  4 +--
 arch/xtensa/include/asm/elf.h           | 10 ++++----
 arch/xtensa/include/asm/highmem.h       |  1 -
 arch/xtensa/include/asm/mmu_context.h   |  2 +-
 arch/xtensa/include/asm/nommu_context.h |  2 +-
 arch/xtensa/include/asm/page.h          | 20 ++++++++-------
 arch/xtensa/include/asm/pci-bridge.h    |  2 +-
 arch/xtensa/include/asm/pci.h           |  2 +-
 arch/xtensa/include/asm/pgalloc.h       |  2 +-
 arch/xtensa/include/asm/pgtable.h       |  8 +++---
 arch/xtensa/include/asm/platform.h      |  1 -
 arch/xtensa/include/asm/processor.h     | 10 ++++----
 arch/xtensa/include/asm/ptrace.h        |  2 +-
 arch/xtensa/include/asm/regs.h          |  1 -
 arch/xtensa/include/asm/syscall.h       | 11 +++++----
 arch/xtensa/include/asm/uaccess.h       | 43 ++++++++++++++++++---------------
 arch/xtensa/kernel/Makefile             |  8 +++---
 arch/xtensa/kernel/align.S              |  3 +--
 arch/xtensa/kernel/asm-offsets.c        |  4 +--
 arch/xtensa/kernel/coprocessor.S        |  3 +--
 arch/xtensa/kernel/entry.S              | 24 +++++++++---------
 arch/xtensa/kernel/module.c             |  2 +-
 arch/xtensa/kernel/platform.c           |  1 -
 arch/xtensa/kernel/process.c            |  2 +-
 arch/xtensa/kernel/ptrace.c             |  3 +--
 arch/xtensa/kernel/setup.c              |  7 +++---
 arch/xtensa/kernel/signal.c             |  8 +++---
 arch/xtensa/kernel/syscall.c            |  1 -
 arch/xtensa/kernel/traps.c              |  7 +++---
 arch/xtensa/kernel/vectors.S            |  2 --
 arch/xtensa/lib/checksum.S              | 10 ++++----
 arch/xtensa/lib/memcopy.S               |  6 +++--
 arch/xtensa/lib/pci-auto.c              |  9 ++-----
 arch/xtensa/lib/strncpy_user.S          |  4 +--
 arch/xtensa/lib/strnlen_user.S          |  1 -
 arch/xtensa/lib/usercopy.S              |  1 -
 arch/xtensa/mm/cache.c                  | 27 ++++++++++-----------
 arch/xtensa/mm/fault.c                  |  1 -
 arch/xtensa/mm/init.c                   | 16 ++++++------
 arch/xtensa/mm/misc.S                   |  2 +-
 arch/xtensa/mm/tlb.c                    |  7 +++---
 49 files changed, 160 insertions(+), 175 deletions(-)

(limited to 'arch')

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 4a8a6ffb68ba..4276721f5ae1 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -106,4 +106,3 @@ zImage: vmlinux
 define archhelp
   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
 endef
-
diff --git a/arch/xtensa/include/asm/bootparam.h b/arch/xtensa/include/asm/bootparam.h
index 057077e96c98..0c25799facab 100644
--- a/arch/xtensa/include/asm/bootparam.h
+++ b/arch/xtensa/include/asm/bootparam.h
@@ -32,15 +32,15 @@
 /* All records are aligned to 4 bytes */
 
 typedef struct bp_tag {
-  unsigned short id;		/* tag id */
-  unsigned short size;		/* size of this record excluding the structure*/
-  unsigned long data[0];	/* data */
+	unsigned short id;	/* tag id */
+	unsigned short size;	/* size of this record excluding the structure*/
+	unsigned long data[0];	/* data */
 } bp_tag_t;
 
 typedef struct meminfo {
-  unsigned long type;
-  unsigned long start;
-  unsigned long end;
+	unsigned long type;
+	unsigned long start;
+	unsigned long end;
 } meminfo_t;
 
 #define SYSMEM_BANKS_MAX 5
@@ -49,14 +49,11 @@ typedef struct meminfo {
 #define MEMORY_TYPE_NONE		0x2000
 
 typedef struct sysmem_info {
-  int nr_banks;
-  meminfo_t bank[SYSMEM_BANKS_MAX];
+	int nr_banks;
+	meminfo_t bank[SYSMEM_BANKS_MAX];
 } sysmem_info_t;
 
 extern sysmem_info_t sysmem;
 
 #endif
 #endif
-
-
-
diff --git a/arch/xtensa/include/asm/cacheasm.h b/arch/xtensa/include/asm/cacheasm.h
index 2c20a58f94cd..60e18773ecb8 100644
--- a/arch/xtensa/include/asm/cacheasm.h
+++ b/arch/xtensa/include/asm/cacheasm.h
@@ -174,4 +174,3 @@
 	__loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH
 
 	.endm
-
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index 569fec4f9a20..127cd48883c4 100644
--- a/arch/xtensa/include/asm/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
@@ -104,7 +104,8 @@ static inline void __invalidate_icache_page_alias(unsigned long virt,
 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 extern void flush_dcache_page(struct page*);
 extern void flush_cache_range(struct vm_area_struct*, ulong, ulong);
-extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long);
+extern void flush_cache_page(struct vm_area_struct*,
+			     unsigned long, unsigned long);
 
 #else
 
diff --git a/arch/xtensa/include/asm/checksum.h b/arch/xtensa/include/asm/checksum.h
index e4d831a30772..aed7ad68ca46 100644
--- a/arch/xtensa/include/asm/checksum.h
+++ b/arch/xtensa/include/asm/checksum.h
@@ -36,8 +36,9 @@ asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum);
  * better 64-bit) boundary
  */
 
-asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, int len, __wsum sum,
-						   int *src_err_ptr, int *dst_err_ptr);
+asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
+					    int len, __wsum sum,
+					    int *src_err_ptr, int *dst_err_ptr);
 
 /*
  *	Note: when you get a NULL pointer exception here this means someone
@@ -54,7 +55,7 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
 
 static inline
 __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
-						int len, __wsum sum, int *err_ptr)
+				   int len, __wsum sum, int *err_ptr)
 {
 	return csum_partial_copy_generic((__force const void *)src, dst,
 					len, sum, err_ptr, NULL);
@@ -112,7 +113,8 @@ static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
 	/* Since the input registers which are loaded with iph and ihl
 	   are modified, we must also specify them as outputs, or gcc
 	   will assume they contain their original values. */
-		: "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp), "=&r" (endaddr)
+		: "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp),
+		  "=&r" (endaddr)
 		: "1" (iph), "2" (ihl)
 		: "memory");
 
@@ -168,7 +170,7 @@ static __inline__ __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
 
 static __inline__ __sum16 ip_compute_csum(const void *buff, int len)
 {
-    return csum_fold (csum_partial(buff, len, 0));
+	return csum_fold (csum_partial(buff, len, 0));
 }
 
 #define _HAVE_ARCH_IPV6_CSUM
@@ -238,11 +240,12 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
  *	Copy and checksum to user
  */
 #define HAVE_CSUM_COPY_USER
-static __inline__ __wsum csum_and_copy_to_user(const void *src, void __user *dst,
-				    int len, __wsum sum, int *err_ptr)
+static __inline__ __wsum csum_and_copy_to_user(const void *src,
+					       void __user *dst, int len,
+					       __wsum sum, int *err_ptr)
 {
 	if (access_ok(VERIFY_WRITE, dst, len))
-		return csum_partial_copy_generic(src, dst, len, sum, NULL, err_ptr);
+		return csum_partial_copy_generic(src,dst,len,sum,NULL,err_ptr);
 
 	if (len)
 		*err_ptr = -EFAULT;
diff --git a/arch/xtensa/include/asm/cmpxchg.h b/arch/xtensa/include/asm/cmpxchg.h
index 25869a190490..d9ab131bc1aa 100644
--- a/arch/xtensa/include/asm/cmpxchg.h
+++ b/arch/xtensa/include/asm/cmpxchg.h
@@ -134,7 +134,8 @@ static inline unsigned long xchg_u32(volatile int * m, unsigned long val)
 #endif
 }
 
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x) \
+	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
 /*
  * This only works if the compiler isn't horribly bad at optimizing.
diff --git a/arch/xtensa/include/asm/current.h b/arch/xtensa/include/asm/current.h
index 8d1eb5d78649..47e46dcf5d49 100644
--- a/arch/xtensa/include/asm/current.h
+++ b/arch/xtensa/include/asm/current.h
@@ -30,7 +30,7 @@ static inline struct task_struct *get_current(void)
 
 #define GET_CURRENT(reg,sp)		\
 	GET_THREAD_INFO(reg,sp);	\
-  	l32i reg, reg, TI_TASK		\
+	l32i reg, reg, TI_TASK		\
 
 #endif
 
diff --git a/arch/xtensa/include/asm/delay.h b/arch/xtensa/include/asm/delay.h
index 58c0a4fd4003..61fc5faeb46c 100644
--- a/arch/xtensa/include/asm/delay.h
+++ b/arch/xtensa/include/asm/delay.h
@@ -19,9 +19,9 @@ extern unsigned long loops_per_jiffy;
 
 static inline void __delay(unsigned long loops)
 {
-  /* 2 cycles per loop. */
-  __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b"
-			: "=r" (loops) : "0" (loops));
+	/* 2 cycles per loop. */
+	__asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b"
+			      : "=r" (loops) : "0" (loops));
 }
 
 static __inline__ u32 xtensa_get_ccount(void)
@@ -46,4 +46,3 @@ static __inline__ void udelay (unsigned long usecs)
 }
 
 #endif
-
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index eb69743172b1..4acb5feba1fb 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -100,8 +100,8 @@ dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
 }
 
 static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-		enum dma_data_direction direction)
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
+		           size_t size, enum dma_data_direction direction)
 {
 	consistent_sync((void *)bus_to_virt(dma_handle), size, direction);
 }
diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h
index 5293312bc6a4..264d5fa450d8 100644
--- a/arch/xtensa/include/asm/elf.h
+++ b/arch/xtensa/include/asm/elf.h
@@ -168,11 +168,11 @@ extern void xtensa_elf_core_copy_regs (xtensa_gregset_t *, struct pt_regs *);
  */
 
 #define ELF_PLAT_INIT(_r, load_addr) \
-  do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0;  _r->areg[3]=0;  \
-       _r->areg[4]=0;  _r->areg[5]=0;    _r->areg[6]=0;  _r->areg[7]=0;  \
-       _r->areg[8]=0;  _r->areg[9]=0;    _r->areg[10]=0; _r->areg[11]=0; \
-       _r->areg[12]=0; _r->areg[13]=0;   _r->areg[14]=0; _r->areg[15]=0; \
-  } while (0)
+	do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0;  _r->areg[3]=0;  \
+	     _r->areg[4]=0;  _r->areg[5]=0;    _r->areg[6]=0;  _r->areg[7]=0;  \
+	     _r->areg[8]=0;  _r->areg[9]=0;    _r->areg[10]=0; _r->areg[11]=0; \
+	     _r->areg[12]=0; _r->areg[13]=0;   _r->areg[14]=0; _r->areg[15]=0; \
+	} while (0)
 
 typedef struct {
 	xtregs_opt_t	opt;
diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h
index 0a046ca5a687..80be15124697 100644
--- a/arch/xtensa/include/asm/highmem.h
+++ b/arch/xtensa/include/asm/highmem.h
@@ -14,4 +14,3 @@
 extern void flush_cache_kmaps(void);
 
 #endif
-
diff --git a/arch/xtensa/include/asm/mmu_context.h b/arch/xtensa/include/asm/mmu_context.h
index feb10af96519..d43525a286bb 100644
--- a/arch/xtensa/include/asm/mmu_context.h
+++ b/arch/xtensa/include/asm/mmu_context.h
@@ -107,7 +107,7 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next)
 
 
 static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
-                             struct task_struct *tsk)
+			     struct task_struct *tsk)
 {
 	unsigned long asid = asid_cache;
 
diff --git a/arch/xtensa/include/asm/nommu_context.h b/arch/xtensa/include/asm/nommu_context.h
index 599e7a2e729d..3407cf7989b7 100644
--- a/arch/xtensa/include/asm/nommu_context.h
+++ b/arch/xtensa/include/asm/nommu_context.h
@@ -2,7 +2,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
 }
 
-static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+static inline int init_new_context(struct task_struct *tsk,struct mm_struct *mm)
 {
 	return 0;
 }
diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h
index 7a5591a71f85..47f582333f6b 100644
--- a/arch/xtensa/include/asm/page.h
+++ b/arch/xtensa/include/asm/page.h
@@ -29,19 +29,19 @@
  * PAGE_SHIFT determines the page size
  */
 
-#define PAGE_SHIFT		12
-#define PAGE_SIZE		(__XTENSA_UL_CONST(1) << PAGE_SHIFT)
-#define PAGE_MASK		(~(PAGE_SIZE-1))
+#define PAGE_SHIFT	12
+#define PAGE_SIZE	(__XTENSA_UL_CONST(1) << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
 
 #ifdef CONFIG_MMU
-#define PAGE_OFFSET		XCHAL_KSEG_CACHED_VADDR
-#define MAX_MEM_PFN		XCHAL_KSEG_SIZE
+#define PAGE_OFFSET	XCHAL_KSEG_CACHED_VADDR
+#define MAX_MEM_PFN	XCHAL_KSEG_SIZE
 #else
-#define PAGE_OFFSET		0
-#define MAX_MEM_PFN		(PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
+#define PAGE_OFFSET	0
+#define MAX_MEM_PFN	(PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
 #endif
 
-#define PGTABLE_START		0x80000000
+#define PGTABLE_START	0x80000000
 
 /*
  * Cache aliasing:
@@ -161,7 +161,9 @@ extern void copy_user_page(void*, void*, unsigned long, struct page*);
 
 #define __pa(x)			((unsigned long) (x) - PAGE_OFFSET)
 #define __va(x)			((void *)((unsigned long) (x) + PAGE_OFFSET))
-#define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
+#define pfn_valid(pfn) \
+	((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
+
 #ifdef CONFIG_DISCONTIGMEM
 # error CONFIG_DISCONTIGMEM not supported
 #endif
diff --git a/arch/xtensa/include/asm/pci-bridge.h b/arch/xtensa/include/asm/pci-bridge.h
index 00fcbd7c534a..0b68c76ec1e6 100644
--- a/arch/xtensa/include/asm/pci-bridge.h
+++ b/arch/xtensa/include/asm/pci-bridge.h
@@ -35,7 +35,7 @@ struct pci_space {
 struct pci_controller {
 	int index;			/* used for pci_controller_num */
 	struct pci_controller *next;
-        struct pci_bus *bus;
+	struct pci_bus *bus;
 	void *arch_data;
 
 	int first_busno;
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 05244f07dd31..614be031a79a 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -53,7 +53,7 @@ struct pci_dev;
 
 /* Map a range of PCI memory or I/O space for a device into user space */
 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
-                        enum pci_mmap_state mmap_state, int write_combine);
+			enum pci_mmap_state mmap_state, int write_combine);
 
 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
 #define HAVE_PCI_MMAP	1
diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index 40cf9bceda2c..cf914c8c249a 100644
--- a/arch/xtensa/include/asm/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
@@ -42,7 +42,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 
 extern struct kmem_cache *pgtable_cache;
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 					 unsigned long address)
 {
 	return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT);
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index b03c043ce75b..c90ea5bfa1b4 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -284,7 +284,7 @@ struct vm_area_struct;
 
 static inline int
 ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr,
-    			  pte_t *ptep)
+			  pte_t *ptep)
 {
 	pte_t pte = *ptep;
 	if (!pte_young(pte))
@@ -304,8 +304,8 @@ ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 static inline void
 ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
-  	pte_t pte = *ptep;
-  	update_pte(ptep, pte_wrprotect(pte));
+	pte_t pte = *ptep;
+	update_pte(ptep, pte_wrprotect(pte));
 }
 
 /* to find an entry in a kernel page-table-directory */
@@ -399,7 +399,7 @@ extern  void update_mmu_cache(struct vm_area_struct * vma,
  */
 
 #define io_remap_pfn_range(vma,from,pfn,size,prot) \
-                remap_pfn_range(vma, from, pfn, size, prot)
+	remap_pfn_range(vma, from, pfn, size, prot)
 
 typedef pte_t *pte_addr_t;
 
diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h
index 7d936e58e9be..ec098b68fb9a 100644
--- a/arch/xtensa/include/asm/platform.h
+++ b/arch/xtensa/include/asm/platform.h
@@ -75,4 +75,3 @@ extern int platform_pcibios_fixup (void);
 extern void platform_calibrate_ccount (void);
 
 #endif	/* _XTENSA_PLATFORM_H */
-
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 2d630e7399ca..e5fb6b0abdf4 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -89,7 +89,7 @@
 #define MAKE_PC_FROM_RA(ra,sp)    (((ra) & 0x3fffffff) | ((sp) & 0xc0000000))
 
 typedef struct {
-    unsigned long seg;
+	unsigned long seg;
 } mm_segment_t;
 
 struct thread_struct {
@@ -145,10 +145,10 @@ struct thread_struct {
  *       set_thread_state in signal.c depends on it.
  */
 #define USER_PS_VALUE ((1 << PS_WOE_BIT) |				\
-                       (1 << PS_CALLINC_SHIFT) |			\
-                       (USER_RING << PS_RING_SHIFT) |			\
-                       (1 << PS_UM_BIT) |				\
-                       (1 << PS_EXCM_BIT))
+		       (1 << PS_CALLINC_SHIFT) |			\
+		       (USER_RING << PS_RING_SHIFT) |			\
+		       (1 << PS_UM_BIT) |				\
+		       (1 << PS_EXCM_BIT))
 
 /* Clearing a0 terminates the backtrace. */
 #define start_thread(regs, new_pc, new_sp) \
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 9fe249c8f90e..58bf6fd3f913 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -55,7 +55,7 @@ struct pt_regs {
 
 # define arch_has_single_step()	(1)
 # define task_pt_regs(tsk) ((struct pt_regs*) \
-  (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
+	(task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
 # define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
 # define instruction_pointer(regs) ((regs)->pc)
 
diff --git a/arch/xtensa/include/asm/regs.h b/arch/xtensa/include/asm/regs.h
index 6aaf6d6a5fc4..76096a4e5b8d 100644
--- a/arch/xtensa/include/asm/regs.h
+++ b/arch/xtensa/include/asm/regs.h
@@ -109,4 +109,3 @@
 #define DEBUGCAUSE_ICOUNT_BIT		0	/* ICOUNT would incr. to zero */
 
 #endif /* _XTENSA_SPECREG_H */
-
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index b00c928d4cce..8d5e47fad095 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -25,9 +25,10 @@ asmlinkage long xtensa_fadvise64_64(int, int,
 /* Should probably move to linux/syscalls.h */
 struct pollfd;
 asmlinkage long sys_pselect6(int n, fd_set __user *inp, fd_set __user *outp,
-	fd_set __user *exp, struct timespec __user *tsp, void __user *sig);
+			     fd_set __user *exp, struct timespec __user *tsp,
+			     void __user *sig);
 asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
-	struct timespec __user *tsp, const sigset_t __user *sigmask,
-	size_t sigsetsize);
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
-		size_t sigsetsize);
+			  struct timespec __user *tsp,
+			  const sigset_t __user *sigmask,
+			  size_t sigsetsize);
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 6e4bb3b791ab..fd686dc45d1a 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -180,7 +180,8 @@
 #define segment_eq(a,b)	((a).seg == (b).seg)
 
 #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
-#define __user_ok(addr,size) (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size)))
+#define __user_ok(addr,size) \
+		(((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size)))
 #define __access_ok(addr,size) (__kernel_ok || __user_ok((addr),(size)))
 #define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
 
@@ -234,10 +235,10 @@ do {									\
 	int __cb;							\
 	retval = 0;							\
 	switch (size) {							\
-        case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb);  break;	\
-        case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break;	\
-        case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break;	\
-        case 8: {							\
+	case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb);  break;	\
+	case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break;	\
+	case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break;	\
+	case 8: {							\
 		     __typeof__(*ptr) __v64 = x;			\
 		     retval = __copy_to_user(ptr,&__v64,8);		\
 		     break;						\
@@ -291,7 +292,7 @@ do {									\
  * __check_align_* macros still work.
  */
 #define __put_user_asm(x, addr, err, align, insn, cb)	\
-   __asm__ __volatile__(				\
+__asm__ __volatile__(					\
 	__check_align_##align				\
 	"1: "insn"  %2, %3, 0		\n"		\
 	"2:				\n"		\
@@ -301,8 +302,8 @@ do {									\
 	"   .long  2b			\n"		\
 	"5:				\n"		\
 	"   l32r   %1, 4b		\n"		\
-        "   movi   %0, %4		\n"		\
-        "   jx     %1			\n"		\
+	"   movi   %0, %4		\n"		\
+	"   jx     %1			\n"		\
 	"   .previous			\n"		\
 	"   .section  __ex_table,\"a\"	\n"		\
 	"   .long	1b, 5b		\n"		\
@@ -334,13 +335,13 @@ extern long __get_user_bad(void);
 do {									\
 	int __cb;							\
 	retval = 0;							\
-        switch (size) {							\
-          case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb);  break;	\
-          case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break;	\
-          case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb);  break;	\
-          case 8: retval = __copy_from_user(&x,ptr,8);    break;	\
-          default: (x) = __get_user_bad();				\
-        }								\
+	switch (size) {							\
+	case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb);  break;	\
+	case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break;	\
+	case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb);  break;	\
+	case 8: retval = __copy_from_user(&x,ptr,8);    break;	\
+	default: (x) = __get_user_bad();				\
+	}								\
 } while (0)
 
 
@@ -349,7 +350,7 @@ do {									\
  * __check_align_* macros still work.
  */
 #define __get_user_asm(x, addr, err, align, insn, cb) \
-   __asm__ __volatile__(			\
+__asm__ __volatile__(			\
 	__check_align_##align			\
 	"1: "insn"  %2, %3, 0		\n"	\
 	"2:				\n"	\
@@ -360,8 +361,8 @@ do {									\
 	"5:				\n"	\
 	"   l32r   %1, 4b		\n"	\
 	"   movi   %2, 0		\n"	\
-        "   movi   %0, %4		\n"	\
-        "   jx     %1			\n"	\
+	"   movi   %0, %4		\n"	\
+	"   jx     %1			\n"	\
 	"   .previous			\n"	\
 	"   .section  __ex_table,\"a\"	\n"	\
 	"   .long	1b, 5b		\n"	\
@@ -421,8 +422,10 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
 
 #define copy_to_user(to,from,n) __generic_copy_to_user((to),(from),(n))
 #define copy_from_user(to,from,n) __generic_copy_from_user((to),(from),(n))
-#define __copy_to_user(to,from,n) __generic_copy_to_user_nocheck((to),(from),(n))
-#define __copy_from_user(to,from,n) __generic_copy_from_user_nocheck((to),(from),(n))
+#define __copy_to_user(to,from,n) \
+	__generic_copy_to_user_nocheck((to),(from),(n))
+#define __copy_from_user(to,from,n) \
+	__generic_copy_from_user_nocheck((to),(from),(n))
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index f36cef5a62ff..c3a59d992ac0 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -23,13 +23,13 @@ obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o
 #
 # Replicate rules in scripts/Makefile.build
 
-sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g'    \
-	-e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \
+sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \
+	-e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g'	 \
 	-e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g'
 
 quiet_cmd__cpp_lds_S = LDS     $@
-      cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \
-                       | sed $(sed-y) >$@
+cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $<    \
+                 | sed $(sed-y) >$@
 
 $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE
 	$(call if_changed_dep,_cpp_lds_S)
diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S
index 39d2f597382d..aa2e87b8566a 100644
--- a/arch/xtensa/kernel/align.S
+++ b/arch/xtensa/kernel/align.S
@@ -442,7 +442,7 @@ ENTRY(fast_unaligned)
 	mov	a1, a2
 
 	rsr	a0, ps
-        bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
+	bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
 
 	movi	a0, _kernel_exception
 	jx	a0
@@ -453,4 +453,3 @@ ENTRY(fast_unaligned)
 ENDPROC(fast_unaligned)
 
 #endif /* XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION */
-
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 845475afc683..0701fad170db 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -92,7 +92,8 @@ int main(void)
 #endif
 	DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));
 	DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));
-	DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));
+	DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \
+	       thread.current_ds));
 
 	/* struct mm_struct */
 	DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
@@ -109,4 +110,3 @@ int main(void)
 
 	return 0;
 }
-
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index 60bb13589249..647657484866 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -172,7 +172,7 @@ ENTRY(coprocessor_load)
 ENDPROC(coprocessor_load)
 
 /*
- * coprocessor_flush(struct task_info*, index) 
+ * coprocessor_flush(struct task_info*, index)
  *                             a2        a3
  * coprocessor_restore(struct task_info*, index)
  *                              a2         a3
@@ -354,4 +354,3 @@ ENTRY(coprocessor_owner)
 END(coprocessor_owner)
 
 #endif /* XTENSA_HAVE_COPROCESSORS */
-
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 4c2f2706ad5b..3777fec85e7c 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -874,7 +874,7 @@ ENTRY(fast_alloca)
 
 	_bnei	a0, 1, 1f		# no 'movsp a1, ax': jump
 
-        /* Move the save area. This implies the use of the L32E
+	/* Move the save area. This implies the use of the L32E
 	 * and S32E instructions, because this move must be done with
 	 * the user's PS.RING privilege levels, not with ring 0
 	 * (kernel's) privileges currently active with PS.EXCM
@@ -1008,15 +1008,15 @@ ENDPROC(fast_syscall_user)
 
 ENTRY(fast_syscall_unrecoverable)
 
-        /* Restore all states. */
+	/* Restore all states. */
 
-        l32i    a0, a2, PT_AREG0        # restore a0
-        xsr     a2, depc                # restore a2, depc
-        rsr     a3, excsave1
+	l32i    a0, a2, PT_AREG0        # restore a0
+	xsr     a2, depc                # restore a2, depc
+	rsr     a3, excsave1
 
-        wsr     a0, excsave1
-        movi    a0, unrecoverable_exception
-        callx0  a0
+	wsr     a0, excsave1
+	movi    a0, unrecoverable_exception
+	callx0  a0
 
 ENDPROC(fast_syscall_unrecoverable)
 
@@ -1253,9 +1253,9 @@ fast_syscall_spill_registers_fixup:
 
 	movi	a3, exc_table
 	rsr	a0, exccause
-        addx4	a0, a0, a3              	# find entry in table
-        l32i	a0, a0, EXC_TABLE_FAST_USER     # load handler
-        jx	a0
+	addx4	a0, a0, a3              	# find entry in table
+	l32i	a0, a0, EXC_TABLE_FAST_USER     # load handler
+	jx	a0
 
 fast_syscall_spill_registers_fixup_return:
 
@@ -1457,7 +1457,7 @@ ENTRY(_spill_registers)
 	rsr	a0, ps
 	_bbci.l	a0, PS_UM_BIT, 1f
 
- 	/* User space: Setup a dummy frame and kill application.
+	/* User space: Setup a dummy frame and kill application.
 	 * Note: We assume EXC_TABLE_KSTK contains a valid stack pointer.
 	 */
 
diff --git a/arch/xtensa/kernel/module.c b/arch/xtensa/kernel/module.c
index 451dda928c93..b715237bae61 100644
--- a/arch/xtensa/kernel/module.c
+++ b/arch/xtensa/kernel/module.c
@@ -53,7 +53,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 		       struct module *mod)
 {
 	unsigned int i;
-        Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
+	Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
 	Elf32_Sym *sym;
 	unsigned char *location;
 	uint32_t value;
diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index 97230e46cbe7..44bf21c3769a 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -44,4 +44,3 @@ _F(void, calibrate_ccount, (void),
 	ccount_per_jiffy = 10 * (1000000UL/HZ);
 });
 #endif
-
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 1accf28da5f5..0dd5784416d3 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -108,7 +108,7 @@ void coprocessor_flush_all(struct thread_info *ti)
 
 void cpu_idle(void)
 {
-  	local_irq_enable();
+	local_irq_enable();
 
 	/* endless idle loop with no priority at all */
 	while (1) {
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 33eea4c16f12..61fb2e9e9035 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -154,7 +154,7 @@ int ptrace_setxregs(struct task_struct *child, void __user *uregs)
 	coprocessor_flush_all(ti);
 	coprocessor_release_all(ti);
 
-	ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0, 
+	ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0,
 				sizeof(xtregs_coprocessor_t));
 #endif
 	ret |= __copy_from_user(&regs->xtregs_opt, &xtregs->opt,
@@ -343,4 +343,3 @@ void do_syscall_trace_leave(struct pt_regs *regs)
 			&& (current->ptrace & PT_PTRACED))
 		do_syscall_trace();
 }
-
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 64d80e4b0bd4..24c1a57abb40 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -284,7 +284,7 @@ void __init init_arch(bp_tag_t *bp_start)
 
 	/* Parse boot parameters */
 
-        if (bp_start)
+	if (bp_start)
 		parse_bootparam(bp_start);
 
 #ifdef CONFIG_OF
@@ -460,7 +460,7 @@ void __init setup_arch(char **cmdline_p)
 		initrd_is_mapped = mem_reserve(__pa(initrd_start),
 					       __pa(initrd_end), 0);
 		initrd_below_start_ok = 1;
- 	} else {
+	} else {
 		initrd_start = 0;
 	}
 #endif
@@ -539,7 +539,7 @@ c_show(struct seq_file *f, void *slot)
 		     "core ID\t\t: " XCHAL_CORE_ID "\n"
 		     "build ID\t: 0x%x\n"
 		     "byte order\t: %s\n"
- 		     "cpu MHz\t\t: %lu.%02lu\n"
+		     "cpu MHz\t\t: %lu.%02lu\n"
 		     "bogomips\t: %lu.%02lu\n",
 		     XCHAL_BUILD_UNIQUE_ID,
 		     XCHAL_HAVE_BE ?  "big" : "little",
@@ -681,4 +681,3 @@ const struct seq_operations cpuinfo_op =
 };
 
 #endif /* CONFIG_PROC_FS */
-
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 63c566f627bc..de34d6be91cd 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -212,7 +212,7 @@ restore_sigcontext(struct pt_regs *regs, struct rt_sigframe __user *frame)
 	if (err)
 		return err;
 
- 	/* The signal handler may have used coprocessors in which
+	/* The signal handler may have used coprocessors in which
 	 * case they are still enabled.  We disable them to force a
 	 * reloading of the original task's CP state by the lazy
 	 * context-switching mechanisms of CP exception handling.
@@ -396,7 +396,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	 */
 
 	/* Set up registers for signal handler */
-	start_thread(regs, (unsigned long) ka->sa.sa_handler, 
+	start_thread(regs, (unsigned long) ka->sa.sa_handler,
 		     (unsigned long) frame);
 
 	/* Set up a stack frame for a call4
@@ -424,9 +424,9 @@ give_sigsegv:
 	return -EFAULT;
 }
 
-asmlinkage long xtensa_sigaltstack(const stack_t __user *uss, 
+asmlinkage long xtensa_sigaltstack(const stack_t __user *uss,
 				   stack_t __user *uoss,
-    				   long a2, long a3, long a4, long a5,
+				   long a2, long a3, long a4, long a5,
 				   struct pt_regs *regs)
 {
 	return do_sigaltstack(uss, uoss, regs->areg[1]);
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 5702065f472a..54fa8425cee2 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -52,4 +52,3 @@ asmlinkage long xtensa_fadvise64_64(int fd, int advice,
 {
 	return sys_fadvise64_64(fd, offset, len, advice);
 }
-
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 691a792b01d3..01e0111bf787 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -408,7 +408,8 @@ static inline void spill_registers(void)
 		"wsr	a13, sar\n\t"
 		"wsr	a14, ps\n\t"
 		:: "a" (&a0), "a" (&ps)
-		: "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
+		: "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15",
+		  "memory");
 }
 
 void show_trace(struct task_struct *task, unsigned long *sp)
@@ -463,7 +464,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
 
 	if (!sp)
 		sp = stack_pointer(task);
- 	stack = sp;
+	stack = sp;
 
 	printk("\nStack: ");
 
@@ -534,5 +535,3 @@ void die(const char * str, struct pt_regs * regs, long err)
 
 	do_exit(err);
 }
-
-
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 9365ee5064d3..68df35f66ce3 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -485,5 +485,3 @@ ENTRY_ALIGN64(_WindowUnderflow12)
 ENDPROC(_WindowUnderflow12)
 
 	.text
-
-
diff --git a/arch/xtensa/lib/checksum.S b/arch/xtensa/lib/checksum.S
index 0470ca21a359..4eb573d2720e 100644
--- a/arch/xtensa/lib/checksum.S
+++ b/arch/xtensa/lib/checksum.S
@@ -41,10 +41,11 @@
 
 .text
 ENTRY(csum_partial)
-	  /*
-	   * Experiments with Ethernet and SLIP connections show that buf
-	   * is aligned on either a 2-byte or 4-byte boundary.
-	   */
+
+	/*
+	 * Experiments with Ethernet and SLIP connections show that buf
+	 * is aligned on either a 2-byte or 4-byte boundary.
+	 */
 	entry	sp, 32
 	extui	a5, a2, 0, 2
 	bnez	a5, 8f		/* branch if 2-byte aligned */
@@ -409,4 +410,3 @@ ENDPROC(csum_partial_copy_generic)
 	retw
 
 .previous
-
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S
index c48b80acb5f0..b1c219acabe7 100644
--- a/arch/xtensa/lib/memcopy.S
+++ b/arch/xtensa/lib/memcopy.S
@@ -210,8 +210,10 @@ memcpy:
 	_beqz	a4, .Ldone	# avoid loading anything for zero-length copies
 	# copy 16 bytes per iteration for word-aligned dst and unaligned src
 	ssa8	a3		# set shift amount from byte offset
-#define SIM_CHECKS_ALIGNMENT	1	/* set to 1 when running on ISS (simulator) with the
-					   lint or ferret client, or 0 to save a few cycles */
+
+/* set to 1 when running on ISS (simulator) with the
+   lint or ferret client, or 0 to save a few cycles */
+#define SIM_CHECKS_ALIGNMENT	1
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT
 	and	a11, a3, a8	# save unalignment offset for below
 	sub	a3, a3, a11	# align a3
diff --git a/arch/xtensa/lib/pci-auto.c b/arch/xtensa/lib/pci-auto.c
index a71733ae1193..34d05abbd921 100644
--- a/arch/xtensa/lib/pci-auto.c
+++ b/arch/xtensa/lib/pci-auto.c
@@ -241,8 +241,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
 	unsigned char header_type;
 	struct pci_dev *dev = &pciauto_dev;
 
-        pciauto_dev.bus = &pciauto_bus;
-        pciauto_dev.sysdata = pci_ctrl;
+	pciauto_dev.bus = &pciauto_bus;
+	pciauto_dev.sysdata = pci_ctrl;
 	pciauto_bus.ops = pci_ctrl->ops;
 
 	/*
@@ -345,8 +345,3 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
 	}
 	return sub_bus;
 }
-
-
-
-
-
diff --git a/arch/xtensa/lib/strncpy_user.S b/arch/xtensa/lib/strncpy_user.S
index 9f603cdaaa68..1ad0ecf45368 100644
--- a/arch/xtensa/lib/strncpy_user.S
+++ b/arch/xtensa/lib/strncpy_user.S
@@ -166,7 +166,7 @@ __strncpy_user:
 	retw
 .Lz1:	# byte 1 is zero
 #ifdef __XTENSA_EB__
-        extui   a9, a9, 16, 16
+	extui   a9, a9, 16, 16
 #endif /* __XTENSA_EB__ */
 	EX(s16i, a9, a11, 0, fixup_s)
 	addi	a11, a11, 1		# advance dst pointer
@@ -174,7 +174,7 @@ __strncpy_user:
 	retw
 .Lz2:	# byte 2 is zero
 #ifdef __XTENSA_EB__
-        extui   a9, a9, 16, 16
+	extui   a9, a9, 16, 16
 #endif /* __XTENSA_EB__ */
 	EX(s16i, a9, a11, 0, fixup_s)
 	movi	a9, 0
diff --git a/arch/xtensa/lib/strnlen_user.S b/arch/xtensa/lib/strnlen_user.S
index 23f2a89816a1..4c03b1e581e9 100644
--- a/arch/xtensa/lib/strnlen_user.S
+++ b/arch/xtensa/lib/strnlen_user.S
@@ -145,4 +145,3 @@ __strnlen_user:
 lenfixup:
 	movi	a2, 0
 	retw
-
diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S
index 46d60314bb16..ace1892a875e 100644
--- a/arch/xtensa/lib/usercopy.S
+++ b/arch/xtensa/lib/usercopy.S
@@ -318,4 +318,3 @@ l_fixup:
 	/* Ignore memset return value in a6. */
 	/* a2 still contains bytes not copied. */
 	retw
-
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 85df4655d326..81edeab82d17 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -118,7 +118,7 @@ void flush_dcache_page(struct page *page)
  * For now, flush the whole cache. FIXME??
  */
 
-void flush_cache_range(struct vm_area_struct* vma, 
+void flush_cache_range(struct vm_area_struct* vma,
 		       unsigned long start, unsigned long end)
 {
 	__flush_invalidate_dcache_all();
@@ -133,7 +133,7 @@ void flush_cache_range(struct vm_area_struct* vma,
  */
 
 void flush_cache_page(struct vm_area_struct* vma, unsigned long address,
-    		      unsigned long pfn)
+		      unsigned long pfn)
 {
 	/* Note that we have to use the 'alias' address to avoid multi-hit */
 
@@ -166,14 +166,14 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep)
 
 	if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) {
 
-		unsigned long vaddr = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
 		unsigned long paddr = (unsigned long) page_address(page);
 		unsigned long phys = page_to_phys(page);
+		unsigned long tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
 
 		__flush_invalidate_dcache_page(paddr);
 
-		__flush_invalidate_dcache_page_alias(vaddr, phys);
-		__invalidate_icache_page_alias(vaddr, phys);
+		__flush_invalidate_dcache_page_alias(tmp, phys);
+		__invalidate_icache_page_alias(tmp, phys);
 
 		clear_bit(PG_arch_1, &page->flags);
 	}
@@ -195,7 +195,7 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep)
 
 #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
 
-void copy_to_user_page(struct vm_area_struct *vma, struct page *page, 
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
 		unsigned long vaddr, void *dst, const void *src,
 		unsigned long len)
 {
@@ -205,8 +205,8 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
 	/* Flush and invalidate user page if aliased. */
 
 	if (alias) {
-		unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
-		__flush_invalidate_dcache_page_alias(temp, phys);
+		unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+		__flush_invalidate_dcache_page_alias(t, phys);
 	}
 
 	/* Copy data */
@@ -219,12 +219,11 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
 	 */
 
 	if (alias) {
-		unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+		unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
 
 		__flush_invalidate_dcache_range((unsigned long) dst, len);
-		if ((vma->vm_flags & VM_EXEC) != 0) {
-			__invalidate_icache_page_alias(temp, phys);
-		}
+		if ((vma->vm_flags & VM_EXEC) != 0)
+			__invalidate_icache_page_alias(t, phys);
 
 	} else if ((vma->vm_flags & VM_EXEC) != 0) {
 		__flush_dcache_range((unsigned long)dst,len);
@@ -245,8 +244,8 @@ extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
 	 */
 
 	if (alias) {
-		unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
-		__flush_invalidate_dcache_page_alias(temp, phys);
+		unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK);
+		__flush_invalidate_dcache_page_alias(t, phys);
 	}
 
 	memcpy(dst, src, len);
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 245b08f7eaf4..4b7bc8db170f 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -254,4 +254,3 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
 	die("Oops", regs, sig);
 	do_exit(sig);
 }
-
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index db955179da2d..7a5156ffebb6 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -75,15 +75,15 @@ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist)
 			sysmem.nr_banks++;
 		}
 		sysmem.bank[i].end = start;
+
+	} else if (end < sysmem.bank[i].end) {
+		sysmem.bank[i].start = end;
+
 	} else {
-		if (end < sysmem.bank[i].end)
-			sysmem.bank[i].start = end;
-		else {
-			/* remove entry */
-			sysmem.nr_banks--;
-			sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start;
-			sysmem.bank[i].end   = sysmem.bank[sysmem.nr_banks].end;
-		}
+		/* remove entry */
+		sysmem.nr_banks--;
+		sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start;
+		sysmem.bank[i].end   = sysmem.bank[sysmem.nr_banks].end;
 	}
 	return -1;
 }
diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S
index 7f7078f57c41..d97ed1ba7b0a 100644
--- a/arch/xtensa/mm/misc.S
+++ b/arch/xtensa/mm/misc.S
@@ -180,7 +180,7 @@ ENDPROC(clear_user_page)
 
 ENTRY(copy_user_page)
 
-	entry	a1, 32 
+	entry	a1, 32
 
 	/* Mark page dirty and determine alias for destination. */
 
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 070fb7a25231..5411aa67c68e 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -82,7 +82,7 @@ void flush_tlb_mm(struct mm_struct *mm)
 #endif
 
 void flush_tlb_range (struct vm_area_struct *vma,
-    		      unsigned long start, unsigned long end)
+		      unsigned long start, unsigned long end)
 {
 	struct mm_struct *mm = vma->vm_mm;
 	unsigned long flags;
@@ -100,7 +100,7 @@ void flush_tlb_range (struct vm_area_struct *vma,
 		int oldpid = get_rasid_register();
 		set_rasid_register (ASID_INSERT(mm->context));
 		start &= PAGE_MASK;
- 		if (vma->vm_flags & VM_EXEC)
+		if (vma->vm_flags & VM_EXEC)
 			while(start < end) {
 				invalidate_itlb_mapping(start);
 				invalidate_dtlb_mapping(start);
@@ -130,7 +130,7 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
 
 	local_save_flags(flags);
 
-       	oldpid = get_rasid_register();
+	oldpid = get_rasid_register();
 
 	if (vma->vm_flags & VM_EXEC)
 		invalidate_itlb_mapping(page);
@@ -140,4 +140,3 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page)
 
 	local_irq_restore(flags);
 }
-
-- 
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