RDMA/hns: Modify the mapping attribute of doorbell to device

It is more general for ARM device drivers to use the device attribute to
map PCI BAR spaces.

Fixes: 9a4435375c ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/20211206133652.27476-1-liangwenpeng@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Yixing Liu 2021-12-06 21:36:52 +08:00 committed by Jason Gunthorpe
parent 76937fa552
commit 39d5534b13

View file

@ -442,7 +442,7 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma)
prot = vma->vm_page_prot;
if (entry->mmap_type != HNS_ROCE_MMAP_TYPE_TPTR)
prot = pgprot_noncached(prot);
prot = pgprot_device(prot);
ret = rdma_user_mmap_io(uctx, vma, pfn, rdma_entry->npages * PAGE_SIZE,
prot, rdma_entry);