From: Yixing Liu <liuyixing1@xxxxxxxxxx> commit 39d5534b1302189c809e90641ffae8cbdc42a8fc upstream. It is more general for ARM device drivers to use the device attribute to map PCI BAR spaces. Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver") Link: https://lore.kernel.org/r/20211206133652.27476-1-liangwenpeng@xxxxxxxxxx Signed-off-by: Yixing Liu <liuyixing1@xxxxxxxxxx> Signed-off-by: Wenpeng Liang <liangwenpeng@xxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/infiniband/hw/hns/hns_roce_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -442,7 +442,7 @@ static int hns_roce_mmap(struct ib_ucont 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);