RDMA/hns: Remove the unused hns_roce_bitmap_alloc_range function
authorYangyang Li <liyangyang20@huawei.com>
Thu, 10 Jun 2021 11:50:09 +0000 (19:50 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Mon, 21 Jun 2021 18:42:53 +0000 (15:42 -0300)
The function is no longer used.

Link: https://lore.kernel.org/r/1623325814-55737-2-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/hw/hns/hns_roce_alloc.c
drivers/infiniband/hw/hns/hns_roce_device.h

index 51374b6..8b68f93 100644 (file)
@@ -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)
index c17f3c7..94ff7c0 100644 (file)
@@ -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);