Staging: android: ion: fix typos in comments

s/comming/coming/ in drivers/staging/android/ion/ion.c
s/specfic/specific/ in drivers/staging/android/ion/ion.h
s/peformance/performance/ in drivers/staging/android/ion/ion_priv.h
Signed-off-by: Tristan Lelong <tristan@lelong.xyz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.c

@@ -250,7 +250,7 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
 	   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 comming from the heaps is ready for dma, ie if it has a
+	   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);

drivers/staging/android/ion/ion.h

@@ -76,7 +76,7 @@ struct ion_platform_data {
  *		size
  *
  * Calls memblock reserve to set aside memory for heaps that are
- * located at specific memory addresses or of specfic sizes not
+ * located at specific memory addresses or of specific sizes not
  * managed by the kernel
  */
 void ion_reserve(struct ion_platform_data *data);

drivers/staging/android/ion/ion_priv.h

@@ -345,7 +345,7 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr,
  * functions for creating and destroying a heap pool -- allows you
  * 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 peformance benefit on
+ * invalidated from the cache, provides a significant performance benefit on
  * many systems */
 
 /**
@@ -362,7 +362,7 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr,
  *
  * Allows you to keep a pool of pre allocated pages to use from your heap.
  * Keeping a pool of pages that is ready for dma, ie any cached mapping have
- * been invalidated from the cache, provides a significant peformance benefit
+ * been invalidated from the cache, provides a significant performance benefit
  * on many systems
  */
 struct ion_page_pool {