From: Yixing Liu <liuyixing1@huawei.com> mainline inclusion from mainline-v5.15-rc3 commit 39d5534b1302 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4O23M CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=39d... --------------------------------------------------------------------- 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> sigend-off-by: Guofeng Yue <yueguofeng@hisilicon.com> Reviewed-by: Yangyang Li <liyangyang20@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/infiniband/hw/hns/hns_roce_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 5823cbc6e981..1dd86270ddcb 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -438,7 +438,7 @@ 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); -- 2.20.1