From: Yixing Liu liuyixing1@huawei.com
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 --- 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);