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

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@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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index c0249e4874a96776c1319c94639cc9750c22a76f..1e8b3e4ef1b179b6bfb8bba9f9ef318456092ddb 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -359,7 +359,7 @@ static int hns_roce_mmap(struct ib_ucontext *context,
                return rdma_user_mmap_io(context, vma,
                                         to_hr_ucontext(context)->uar.pfn,
                                         PAGE_SIZE,
-                                        pgprot_noncached(vma->vm_page_prot),
+                                        pgprot_device(vma->vm_page_prot),
                                         NULL);
 
        /* vm_pgoff: 1 -- TPTR */