Commit 5caad67c authored Aug 30, 2017 by Wei Hu(Xavier) Committed by Doug Ledford Sep 27, 2017

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>

parent 08eb3018

drivers/infiniband/hw/hns/hns_roce_main.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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,