diff options
| author | Wei Hu(Xavier) <xavier.huwei@huawei.com> | 2017-08-30 17:23:17 +0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-09-27 08:34:56 -0400 |
| commit | 5caad67cb337a81ae6f579a04372865a4dfc0065 (patch) | |
| tree | a8e57afa2e46d5e748d4d1fdb9272ac78911c5d0 /drivers/infiniband/hw/hns | |
| parent | 08eb3018b6d91e0736cffba0a9a8c9aa1d2eb743 (diff) | |
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) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
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, |