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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>
This commit is contained in:
Wei Hu(Xavier) 2017-08-30 17:23:17 +08:00 committed by Doug Ledford
parent 08eb3018b6
commit 5caad67cb3
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/hns/hns_roce_main.c
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@ -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,