staging: android: Fix checkpatch block comments warnings

This patch is intended to fix the checkpatch warning for ``block``
comments for staging/android driver.

Signed-off-by: Sriram Raghunathan <sriram@marirs.net.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/compat_ion.h

@@ -1,5 +1,4 @@
 /*
-
  * drivers/staging/android/ion/compat_ion.h
  *
  * Copyright (C) 2013 Google, Inc.

drivers/staging/android/ion/ion.c

@@ -1,5 +1,5 @@
 /*
-
+ *
  * drivers/staging/android/ion/ion.c
  *
  * Copyright (C) 2011 Google, Inc.
@@ -244,14 +244,16 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
 	buffer->size = len;
 	INIT_LIST_HEAD(&buffer->vmas);
 	mutex_init(&buffer->lock);
-	/* this will set up dma addresses for the sglist -- it is not
-	   technically correct as per the dma api -- a specific
-	   device isn't really taking ownership here.  However, in practice on
-	   our systems the only dma_address space is physical addresses.
-	   Additionally, we can't afford the overhead of invalidating every
-	   allocation via dma_map_sg. The implicit contract here is that
-	   memory coming from the heaps is ready for dma, ie if it has a
-	   cached mapping that mapping has been invalidated */
+	/*
+	 * this will set up dma addresses for the sglist -- it is not
+	 * technically correct as per the dma api -- a specific
+	 * device isn't really taking ownership here.  However, in practice on
+	 * our systems the only dma_address space is physical addresses.
+	 * Additionally, we can't afford the overhead of invalidating every
+	 * allocation via dma_map_sg. The implicit contract here is that
+	 * memory coming from the heaps is ready for dma, ie if it has a
+	 * cached mapping that mapping has been invalidated
+	 */
 	for_each_sg(buffer->sg_table->sgl, sg, buffer->sg_table->nents, i)
 		sg_dma_address(sg) = sg_phys(sg);
 	mutex_lock(&dev->buffer_lock);
@@ -753,8 +755,10 @@ struct ion_client *ion_client_create(struct ion_device *dev,
 	get_task_struct(current->group_leader);
 	task_lock(current->group_leader);
 	pid = task_pid_nr(current->group_leader);
-	/* don't bother to store task struct for kernel threads,
-	   they can't be killed anyway */
+	/*
+	 * don't bother to store task struct for kernel threads,
+	 * they can't be killed anyway
+	 */
 	if (current->group_leader->flags & PF_KTHREAD) {
 		put_task_struct(current->group_leader);
 		task = NULL;
@@ -1521,8 +1525,10 @@ void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap)
 
 	heap->dev = dev;
 	down_write(&dev->lock);
-	/* use negative heap->id to reverse the priority -- when traversing
-	   the list later attempt higher id numbers first */
+	/*
+	 * use negative heap->id to reverse the priority -- when traversing
+	 * the list later attempt higher id numbers first
+	 */
 	plist_node_init(&heap->node, -heap->id);
 	plist_add(&heap->node, &dev->heaps);
 	debug_file = debugfs_create_file(heap->name, 0664,

drivers/staging/android/ion/ion.h

@@ -28,10 +28,12 @@ struct ion_mapper;
 struct ion_client;
 struct ion_buffer;
 
-/* This should be removed some day when phys_addr_t's are fully
-   plumbed in the kernel, and all instances of ion_phys_addr_t should
-   be converted to phys_addr_t.  For the time being many kernel interfaces
-   do not accept phys_addr_t's that would have to */
+/*
+ * This should be removed some day when phys_addr_t's are fully
+ * plumbed in the kernel, and all instances of ion_phys_addr_t should
+ * be converted to phys_addr_t.  For the time being many kernel interfaces
+ * do not accept phys_addr_t's that would have to
+ */
 #define ion_phys_addr_t unsigned long
 
 /**

drivers/staging/android/ion/ion_cma_heap.c

@@ -180,8 +180,10 @@ struct ion_heap *ion_cma_heap_create(struct ion_platform_heap *data)
 		return ERR_PTR(-ENOMEM);
 
 	cma_heap->heap.ops = &ion_cma_ops;
-	/* get device from private heaps data, later it will be
-	 * used to make the link with reserved CMA memory */
+	/*
+	 * get device from private heaps data, later it will be
+	 * used to make the link with reserved CMA memory
+	 */
 	cma_heap->dev = data->priv;
 	cma_heap->heap.type = ION_HEAP_TYPE_DMA;
 	return &cma_heap->heap;

drivers/staging/android/ion/ion_priv.h

@@ -346,7 +346,8 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr,
  * to keep a pool of pre allocated memory to use from your heap.  Keeping
  * a pool of memory that is ready for dma, ie any cached mapping have been
  * invalidated from the cache, provides a significant performance benefit on
- * many systems */
+ * many systems
+ */
 
 /**
  * struct ion_page_pool - pagepool struct

drivers/staging/android/ion/ion_system_heap.c

@@ -185,8 +185,11 @@ static void ion_system_heap_free(struct ion_buffer *buffer)
 	struct scatterlist *sg;
 	int i;
 
-	/* uncached pages come from the page pools, zero them before returning
-	   for security purposes (other allocations are zerod at alloc time */
+	/*
+	 *  uncached pages come from the page pools, zero them before returning
+	 *  for security purposes (other allocations are zerod at
+	 *  alloc time
+	 */
 	if (!cached && !(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE))
 		ion_heap_buffer_zero(buffer);
 

drivers/staging/android/uapi/ion.h

@@ -40,8 +40,10 @@ enum ion_heap_type {
 	ION_HEAP_TYPE_CARVEOUT,
 	ION_HEAP_TYPE_CHUNK,
 	ION_HEAP_TYPE_DMA,
-	ION_HEAP_TYPE_CUSTOM, /* must be last so device specific heaps always
-				 are at the end of this enum */
+	ION_HEAP_TYPE_CUSTOM, /*
+			       * must be last so device specific heaps always
+			       * are at the end of this enum
+			       */
 	ION_NUM_HEAPS = 16,
 };
 
@@ -56,13 +58,18 @@ enum ion_heap_type {
  * allocation flags - the lower 16 bits are used by core ion, the upper 16
  * bits are reserved for use by the heaps themselves.
  */
-#define ION_FLAG_CACHED 1		/* mappings of this buffer should be
-					   cached, ion will do cache
-					   maintenance when the buffer is
-					   mapped for dma */
-#define ION_FLAG_CACHED_NEEDS_SYNC 2	/* mappings of this buffer will created
-					   at mmap time, if this is set
-					   caches must be managed manually */
+#define ION_FLAG_CACHED 1		/*
+					 * mappings of this buffer should be
+					 * cached, ion will do cache
+					 * maintenance when the buffer is
+					 * mapped for dma
+					*/
+#define ION_FLAG_CACHED_NEEDS_SYNC 2	/*
+					 * mappings of this buffer will created
+					 * at mmap time, if this is set
+					 * caches must be managed
+					 * manually
+					 */
 
 /**
  * DOC: Ion Userspace API