From: Wei Hu(Xavier) Date: Wed, 30 Aug 2017 09:23:17 +0000 (+0800) Subject: RDMA/hns: Replace condition statement using hardware version information X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5caad67cb337a81ae6f579a04372865a4dfc0065;p=openwrt%2Fstaging%2Fblogic.git RDMA/hns: Replace condition statement using hardware version information This patch replaces condition statement to reduce usage of hardware version information in common driver. Signed-off-by: Wei Hu (Xavier) Signed-off-by: Shaobo Xu Signed-off-by: Lijun Ou Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index a110f968987f..7a0c1e8f45dd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -381,7 +381,8 @@ static int hns_roce_mmap(struct ib_ucontext *context, to_hr_ucontext(context)->uar.pfn, PAGE_SIZE, vma->vm_page_prot)) return -EAGAIN; - } else if (vma->vm_pgoff == 1 && hr_dev->hw_rev == HNS_ROCE_HW_VER1) { + } else if (vma->vm_pgoff == 1 && hr_dev->tptr_dma_addr && + hr_dev->tptr_size) { /* vm_pgoff: 1 -- TPTR */ if (io_remap_pfn_range(vma, vma->vm_start, hr_dev->tptr_dma_addr >> PAGE_SHIFT,