powerpc: Various typo fixes

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/cell/iommu.c

@@ -178,7 +178,7 @@ static int tce_build_cell(struct iommu_table *tbl, long index, long npages,
 	 * default for now.*/
 #ifdef CELL_IOMMU_STRICT_PROTECTION
 	/* to avoid referencing a global, we use a trick here to setup the
-	 * protection bit. "prot" is setup to be 3 fields of 4 bits apprended
+	 * protection bit. "prot" is setup to be 3 fields of 4 bits appended
 	 * together for each of the 3 supported direction values. It is then
 	 * shifted left so that the fields matching the desired direction
 	 * lands on the appropriate bits, and other bits are masked out.
@@ -338,7 +338,7 @@ static unsigned long *cell_iommu_alloc_ptab(struct cbe_iommu *iommu,
 	start_seg = base >> IO_SEGMENT_SHIFT;
 	segments  = size >> IO_SEGMENT_SHIFT;
 	pages_per_segment = 1ull << IO_PAGENO_BITS(page_shift);
-	/* PTEs for each segment must start on a 4K bounday */
+	/* PTEs for each segment must start on a 4K boundary */
 	pages_per_segment = max(pages_per_segment,
 				(1 << 12) / sizeof(unsigned long));
 

arch/powerpc/platforms/cell/spider-pic.c

@@ -217,7 +217,7 @@ static void spider_irq_cascade(struct irq_desc *desc)
 	chip->irq_eoi(&desc->irq_data);
 }
 
-/* For hooking up the cascace we have a problem. Our device-tree is
+/* For hooking up the cascade we have a problem. Our device-tree is
  * crap and we don't know on which BE iic interrupt we are hooked on at
  * least not the "standard" way. We can reconstitute it based on two
  * informations though: which BE node we are connected to and whether

arch/powerpc/platforms/cell/spu_base.c

@@ -69,7 +69,7 @@ static DEFINE_SPINLOCK(spu_lock);
  * spu_full_list_lock and spu_full_list_mutex held, while iterating
  * through it requires either of these locks.
  *
- * In addition spu_full_list_lock protects all assignmens to
+ * In addition spu_full_list_lock protects all assignments to
  * spu->mm.
  */
 static LIST_HEAD(spu_full_list);
@@ -253,7 +253,7 @@ static inline int __slb_present(struct copro_slb *slbs, int nr_slbs,
  * Setup the SPU kernel SLBs, in preparation for a context save/restore. We
  * need to map both the context save area, and the save/restore code.
  *
- * Because the lscsa and code may cross segment boundaires, we check to see
+ * Because the lscsa and code may cross segment boundaries, we check to see
  * if mappings are required for the start and end of each range. We currently
  * assume that the mappings are smaller that one segment - if not, something
  * is seriously wrong.

arch/powerpc/platforms/cell/spufs/file.c

@@ -866,7 +866,7 @@ void spufs_wbox_callback(struct spu *spu)
  * - end of the mapped area
  *
  * If the file is opened without O_NONBLOCK, we wait here until
- * space is availabyl, but return when we have been able to
+ * space is available, but return when we have been able to
  * write something.
  */
 static ssize_t spufs_wbox_write(struct file *file, const char __user *buf,

arch/powerpc/platforms/cell/spufs/run.c

@@ -435,7 +435,7 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)
 
 	/* Note: we don't need to force_sig SIGTRAP on single-step
 	 * since we have TIF_SINGLESTEP set, thus the kernel will do
-	 * it upon return from the syscall anyawy
+	 * it upon return from the syscall anyway.
 	 */
 	if (unlikely(status & SPU_STATUS_SINGLE_STEP))
 		ret = -ERESTARTSYS;

arch/powerpc/platforms/cell/spufs/sched.c

@@ -622,7 +622,7 @@ static struct spu *spu_get_idle(struct spu_context *ctx)
 
 /**
  * find_victim - find a lower priority context to preempt
- * @ctx:	canidate context for running
+ * @ctx:	candidate context for running
  *
  * Returns the freed physical spu to run the new context on.
  */