RDMA/hns: Remove the unused hns_roce_bitmap_alloc_range function

The function is no longer used.

Link: https://lore.kernel.org/r/1623325814-55737-2-git-send-email-liweihang@huawei.comSigned-off-by: NYangyang Li <liyangyang20@huawei.com>
Signed-off-by: NWeihang Li <liweihang@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_alloc.c

@@ -69,45 +69,6 @@ void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj,
 	hns_roce_bitmap_free_range(bitmap, obj, 1, rr);
 }
 
-int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
-				int align, unsigned long *obj)
-{
-	int ret = 0;
-	int i;
-
-	if (likely(cnt == 1 && align == 1))
-		return hns_roce_bitmap_alloc(bitmap, obj);
-
-	spin_lock(&bitmap->lock);
-
-	*obj = bitmap_find_next_zero_area(bitmap->table, bitmap->max,
-					  bitmap->last, cnt, align - 1);
-	if (*obj >= bitmap->max) {
-		bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
-			       & bitmap->mask;
-		*obj = bitmap_find_next_zero_area(bitmap->table, bitmap->max, 0,
-						  cnt, align - 1);
-	}
-
-	if (*obj < bitmap->max) {
-		for (i = 0; i < cnt; i++)
-			set_bit(*obj + i, bitmap->table);
-
-		if (*obj == bitmap->last) {
-			bitmap->last = (*obj + cnt);
-			if (bitmap->last >= bitmap->max)
-				bitmap->last = 0;
-		}
-		*obj |= bitmap->top;
-	} else {
-		ret = -EINVAL;
-	}
-
-	spin_unlock(&bitmap->lock);
-
-	return ret;
-}
-
 void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
 				unsigned long obj, int cnt,
 				int rr)

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -1162,8 +1162,6 @@ int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask,
 			 u32 reserved_bot, u32 resetrved_top);
 void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap);
 void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev);
-int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
-				int align, unsigned long *obj);
 void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
 				unsigned long obj, int cnt,
 				int rr);