Commit 24977edb authored by Yangyang Li's avatar Yangyang Li Committed by Jason Gunthorpe
Browse files

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.com


Signed-off-by: default avatarYangyang Li <liyangyang20@huawei.com>
Signed-off-by: default avatarWeihang Li <liweihang@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 3cea7b4a

drivers/infiniband/hw/hns/hns_roce_alloc.c

+0 −39
Original line number Diff line number Diff line
@@ -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

+0 −2
Original line number Diff line number Diff line
@@ -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);