ION : delete ION heap op page_pool_total

[Detail] we dont want to add things universally to ion_heap_ops.

[Solution] page_pool_total is not used now, it can be deleted.

[Feature] Others

BUG = 25122710

MTK-Commit-Id: acfde06e3d1482b038803871426788753afd1007

Change-Id: Ieb4609a7cfa73cd00e2b3aed367868fe9d89c377
Signed-off-by: Shangbing Hu <shangbing.hu@mediatek.com>
CR-Id: ALPS02367897

2 files changed, 0 insertions, 63 deletions

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index d30408651..26007d40f 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -1855,38 +1855,6 @@ static const struct file_operations debug_heap_fops = {
 	.release = single_release,
 };
 
-static int ion_debug_heap_pool_show(struct seq_file *s, void *unused)
-{
-	struct ion_heap *heap = s->private;
-	struct ion_device *dev = heap->dev;
-	struct rb_node *n;
-	size_t total_size;
-
-	if (!heap->ops->page_pool_total) {
-		pr_err("%s: ion page pool total is not implemented by heap(%s).\n",
-		       __func__, heap->name);
-		return -ENODEV;
-	}
-
-	total_size = heap->ops->page_pool_total(heap);
-
-	seq_printf(s, "%16.s %16zu\n", "total_in_pool ", total_size);
-
-	return 0;
-}
-
-static int ion_debug_heap_pool_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ion_debug_heap_pool_show, inode->i_private);
-}
-
-static const struct file_operations debug_heap_pool_fops = {
-	.open = ion_debug_heap_pool_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-
 #ifdef DEBUG_HEAP_SHRINKER
 static int debug_shrink_set(void *data, u64 val)
 {
@@ -1975,19 +1943,6 @@ void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap)
 		}
 	}
 #endif
-
-        char tmp_name[64];
-
-	snprintf(tmp_name, 64, "%s_total_in_pool", heap->name);
-	debug_file = debugfs_create_file(
-			tmp_name, 0644, dev->heaps_debug_root, heap,
-				     &debug_heap_pool_fops);
-	if (!debug_file) {
-		char buf[256], *path;
-		path = dentry_path(dev->heaps_debug_root, buf, 256);
-		pr_err("Failed to create heap page pool debugfs at %s/%s\n", path, tmp_name);
-	}
-
 	up_write(&dev->lock);
 }
 
diff --git a/drivers/staging/android/ion/mtk/ion_mm_heap.c b/drivers/staging/android/ion/mtk/ion_mm_heap.c
index 997c9a77d..06de2ca57 100644
--- a/drivers/staging/android/ion/mtk/ion_mm_heap.c
+++ b/drivers/staging/android/ion/mtk/ion_mm_heap.c
@@ -403,23 +403,6 @@ void ion_mm_heap_add_freelist(struct ion_buffer *buffer)
     ion_mm_heap_free_bufferInfo(buffer);
 }
 
-int ion_mm_heap_pool_total(struct ion_heap *heap) {
-	struct ion_system_heap *sys_heap;
-	int total = 0;
-	int i;
-
-	sys_heap = container_of(heap, struct ion_system_heap, heap);
-
-	for (i = 0; i < num_orders; i++) {
-		struct ion_page_pool *pool = sys_heap->pools[i];
-		total += (pool->high_count + pool->low_count) * (1 << pool->order);
-                pool = sys_heap->cached_pools[i];
-		total += (pool->high_count + pool->low_count) * (1 << pool->order);
-	}
-
-	return total;
-}
-
 static struct ion_heap_ops system_heap_ops = {
     .allocate = ion_mm_heap_allocate,
     .free = ion_mm_heap_free,
@@ -431,7 +414,6 @@ static struct ion_heap_ops system_heap_ops = {
     .phys = ion_mm_heap_phys,
 	.shrink = ion_mm_heap_shrink,
     .add_freelist = ion_mm_heap_add_freelist,
-    .page_pool_total = ion_mm_heap_pool_total,
 };
 
 static int ion_mm_heap_debug_show(struct ion_heap *heap, struct seq_file *s,