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 @@ -556,7 +556,7 @@ static int hns_roce_mmap(struct ib_ucont return -EINVAL;
if (vma->vm_pgoff == 0) { - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + vma->vm_page_prot = pgprot_device(vma->vm_page_prot); if (io_remap_pfn_range(vma, vma->vm_start, to_hr_ucontext(context)->uar.pfn, PAGE_SIZE, vma->vm_page_prot))